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data sheet ec2/ee2 series high-inrush capability type compact size, slim-package description nec tokin ec2/ee2 relay is a standard miniature signal relay, compact and slim. high-inrush capability type can endure 10a inrush for 24vdc. features applications thermostat system, security and fire-alarm system the information in this document is subject to change without notice. ? nec tokin corporation 2008 sales@worldproducts.com 707.996.5201 for right use of miniature relays do not exceed maximum ratings . do not use relays under exceeding conditions such as over ambient temperature, over voltage and over current. incorrect use could result in abnormal heating, damage to related parts or cause burning. read cautions in the selection guide . read the cautions described in nec tokin's "miniature relays" when you choose relays for your application. rohs c compliant www.worldproducts.com
ec2/ee2 series high-inrush capability type dimensions and pad layouts unit: mm (inch) ec2 series non-latch type, single coil latch type double coil latch type ee2 series non-latch type, single coil latch type double coil latch type 15.0 max. (0 59) 7.5 max. (0.30) 5 08 2.54 2.54 5.08 9.4 max. (0.37) 3.2 (0.13) 0 25 (0.01) 0 5 (0 02) is basic size. other tolerances 0 2mm lead size 0 5x0.25 0.1 nj type: lead length 2.8mm 15.0 max. (0 59) 7.5 max. (0.30) 5 08 2.54 2.54 5.08 9.4 max. (0.37) 3.2 (0.13) 0 25 (0.01) 0 5 (0 02) is basic size. other tolerances 0 2mm lead size 0 5x0.25 0.1 nj type: lead length 2.8mm 5.08 2.54 2.54 5.08 2.54 15.0 max. (0.59) 7.5 max. (0.30) 9.4 max. (0.37) 3.2 (0.13) 0.25 (0.01) 0.5 (0.02) is basic size. o her tolerances 0 2mm lead size 0.5x0.25 0.1 nj type: lead length 2.8mm 5.08 2.54 2.54 5.08 2.54 15.0 max. (0.59) 7.5 max. (0.30) 9.4 max. (0.37) 3.2 (0.13) 0.25 (0.01) 0.5 (0.02) is basic size. o her tolerances 0 2mm lead size 0.5x0.25 0.1 nj type: lead length 2.8mm 15.0 max. (0.59) 7.5 max. (0.30) 5.08 2.54 2.54 5.08 10.0 max. (0.39) 1.0 (0.04) 9.5 (0.37) is basic size. other tolerances 0.2mm lead size 0.5x0.25 0.1 15.0 max. (0.59) 7.5 max. (0.30) 5.08 2.54 2.54 5.08 10.0 max. (0.39) 1.0 (0.04) 9.5 (0.37) is basic size. other tolerances 0.2mm lead size 0.5x0.25 0.1 15.0 max. (0.59) 7.5 max. (0.30) 5.08 2.54 2.54 5.08 10.0 max. (0.39) 1.0 (0.04) 9.5 (0.37) 2.54 is basic size. other tolerances 0.2mm lead size 0.5x0.25 0.1 15.0 max. (0.59) 7.5 max. (0.30) 5.08 2.54 2.54 5.08 10.0 max. (0.39) 1.0 (0.04) 9.5 (0.37) 2.54 is basic size. other tolerances 0.2mm lead size 0.5x0.25 0.1 5.08 2.54 2.54 8- 0.8 5.08 (mm) note. general tolerance : 0.1 (bottom view) (1.11) (1.05) 5.08 2.54 2.54 8- 0.8 5.08 (mm) note. general tolerance : 0.1 (bottom view) (1.11) (1.05) 5.08 2.54 2.54 10- 0.8 5.08 2.54 (mm) note. general tolerance : 0.1 (bottom view) (1.11) (1.05) 5.08 2.54 2.54 10- 0.8 5.08 2.54 (mm) note. general tolerance : 0.1 (bottom view) (1.11) (1.05) 5.08 2.54 2.54 1.0 3.0 7.29 note. general tolerance : 0.1 (bottom view) (mm) (1.05) 5.08 2.54 2.54 1.0 3.0 7.29 note. general tolerance : 0.1 (bottom view) (mm) (1.05) (1.05) 5.08 2.54 2.54 2.54 1.0 3.0 7.29 (mm) note. general tolerance : 0.1 (top view) (1.05) 5.08 2.54 2.54 2.54 1.0 3.0 7.29 (mm) note. general tolerance : 0.1 (top view) (1.05)
pin configurations (bottom view) non-latch type single coil latch type double coil latch type markings (top view) (1) part number (2) manufacturer (3) country of origin (4) date code (5) direction mark (pin no. 1 and 12) (6) ul,csa marking 1 3 4 5 12 10 9 8 direction mark s: coil polarity for set r: coil polarity for reset single coil latch type (reset position) + s - - r + 1 3 4 5 12 10 9 8 direction mark s: coil polarity for set r: coil polarity for reset single coil latch type (reset position) + s - - r + 1 3 4 5 6 12 10 9 8 7 direction mark double coil latch type (reset position) set coil reset coil + - + - 1 3 4 5 6 12 10 9 8 7 direction mark double coil latch type (reset position) set coil reset coil + - + - 1 3 4 5 12 10 9 8 non-latch type (not energized position) direction mark + - 1 3 4 5 12 10 9 8 non-latch type (not energized position) direction mark + - (3) (4) (6) 0501f ec2 - 5nq japan (1) (2) (5) 0501f ec2 - japan (1) (2) (5) (3) (4) (6) ec2/ee2 series high-inrush capability type
general specifications c mrof 2 mrof tcatnoc yalrevo yolla dlog htiw yolla revlis lairetam tcatnoc maximum switching power 60 w, 125 va maximum switching voltage 220 vdc, 250 vac maximum switching current 2 a contact ratings (ul,csa ratings) maximum carrying current 3.5 a minimum contact ratings 10 m vdc, 10a *1 m 57 ecnatsiser tcatnoc laitini ? max. (initial) operate time (excluding bounce) approx. 2 ms release time (excluding bounce) approx. 1 ms m 0001 ecnatsiser noitalusni ? at 500 vdc between open contacts 1000 vac (for one minute) 1500 v surge (10x160 s *2 ) between adjacent contacts 1000 vac (for one minute) 1500 v surge (10x160 s *2 ) 1500 vac (for one minute) , 2500 v surge (2x10 s *3 ) withstanding voltage between coil and contacts [double coil latch type] 1000 vac (for one minute) 1500 v surge (10x160 s *2 ) shock resistance 735 m/s 2 (75g) (misoperation) 980 m/s 2 (100g) (destructive failure) vibration resistance 10 to 55 hz, double amplitude 3 mm(20g) (misoperation) 10 to 55 hz, double amplitude 5 mm(30g) (destructive failure) c 58+ ot 04- erutarepmet tneibma ta c 81 esir erutarepmet lioc nominal coil voltage (140mw) nonload 1x10 8 operations (non-latch type) *4 1x10 7 operations (latch type) 30 vdc 2a (resistive), 0.1x10 6 operations at 20 c,1hz running specifications load 30 vdc 1a (resistive), 0.5x10 6 operations at 20 c,1hz g 9.1 .xorppa thgiew * 1 this value is a reference value in the resistance load. minimum capacity changes depending on switching frequency and environment temperature and the load. * 2 rise time: 10 s, decay time to half crest: 160 s * 3 rise time: 2 s, decay time to half crest: 10 s * 4 this shows the number of operations with fatal defects. stable characteristics are maintained for 1 10 7 operations. ec2/ee2 series high-inrush capability type
coil specifications non-latch type at 20 c nominal coil voltage (vdc) coil resistance (? )10% must operate voltage* (vdc) must release voltage* (vdc) nominal operating power (mw) 3 64.3 2.25 0.3 140 4.5 145 3.38 0.45 140 5 178 3.75 0.5 140 9 579 6.75 0.9 140 12 1028 9.0 1.2 140 24 2880 18.0 2.4 200 single coil latch type at 20 c nominal coil voltage (vdc) coil resistance (? )10% set voltage* (vdc) reset voltage* (vdc) nominal operating power (mw) 3 90 2.25 2.25 100 4.5 202.5 3.38 3.38 100 5 250 3.75 3.75 100 9 810 6.75 6.75 100 12 1440 9.0 9.0 100 24 5760 18.0 18.0 100 double coil latch type (can not be driven by reverse polarity for reverse operation) at 20 c nominal coil voltage (vdc) coil resistance (? )10% set voltage** (vdc) reset voltage** (vdc) nominal operating power (mw) s 64.3 2.25 - 3 r 64.3 - 2.25 140 s 145 3.38 - 4.5 r 145 - 3.38 140 s 178 3.75 - 5 r 178 - 3.75 140 s 579 6.75 - 9 r 579 - 6.75 140 s 1028 9.0 - 12 r 1028 - 9.0 140 s 4114 18.0 - 24 r 4114 - 18.0 140 ec2/ee2 series high-inrush capability type
safety standard and rating (under application) ul recognized (ul508)* file no e73266 csa certificated (csa c22.2 no14) file no lr46266 30 vdc, 2 a (resistive) 110 vdc, 0.3 a (resistive) 125 vac, 0.5 a (resistive) * spacing: ul114, ul478 recommended relay drive conditions drive under conditions. if it is impossible, please inquire to nec tokin. non-latch type voltage: within 5% of nominal voltage single coil latch type double coil latch type square pulse (rise and fall time is rapid) pulse height : within 5% of nominal voltage pulse width : more than 10 ms ambient temperature - 40 to +85 c part number system e c 2 - 3 s n q nq: high inrush capability type nil: non-latch type s: single coil latch type t: double coil latch type nominal coil voltage (a numerical value of coil voltage) ec2 series e e 2 ? 3 s n q ? l packing nil: tube l: embossed carrying tape nq: high inrush capability type nil: non-latch type s: single coil latch type t: double coil latch type nominal coil voltage (a numerical value of coil voltage) ee2 series ec2/ee2 series high-inrush capability type
ordering part numbers ec2 series coil type packing nominal coil voltage (vdc) non-latch single coil latch double coil latch 3 ec2-3nq ec2-3snq ec2-3tnq 4.5 ec2-4.5nq ec2-4.5snq ec2-4.5tnq 5 ec2-5nq ec2-5snq ec2-5tnq 9 ec2-9nq ec2-9snq ec2-9tnq 12 ec2-12nq ec2-12snq ec2-12tnq tube 24 ec2-24nq ec2-24snq ec2-24tnq ee2 series coil type packing nominal coil voltage (vdc) non-latch single coil latch double coil latch 3 ee2-3nq ee2-3snq ee2-3tnq 4.5 ee2-4.5nq ee2-4.5snq ee2-4.5tnq 5 ee2-5nq ee2-5snq ee2-5tnq 9 ee2-9nq ee2-9snq ee2-9tnq 12 ee2-12nq ee2-12snq ee2-12tnq tube 24 ee2-24nq ee2-24snq ee2-24tnq 3 ee2-3nq-l ee2-3snq-l ee2-3tnq-l 4.5 ee2-4.5nq-l ee2-4.5snq-l ee2-4.5tnq-l 5 ee2-5nq-l ee2-5snq-l ee2-5tnq-l 9 ee2-9nq-l ee2-9snq-l ee2-9tnq-l 12 ee2-12nq-l ee2-12snq-l ee2-12tnq-l taping 24 ee2-24nq-l ee2-24snq-l ee2-24tnq-l ec2/ee2 series high-inrush capability type
performance data 0 100 200 300 400 60 40 20 0 applied power (mw) 0 5 10 15 20 30 20 10 0 applied time (minute) -40 -20 0 20 40 60 80 100 200 150 100 50 0 ambient temperature (c) 10 20 50 100 200 2.0 1.0 0.5 0.2 0.1 contact voltage (v) 0 100 150 200 250 0 applied power (mw) 1 2 3 4 0 100 200 300 400 0 applied power (mw) 1 2 3 4 coil temperature rise temperature is measured by coil resistance method. switching capacity these are maximum value. inquire with nec tokin for maximum values under continuous use. maximum coil voltage this is a maximum value of permissible alteration. inquire with nec tokin under continuous use. applied voltage vs. timing (sample:ee2-5nq) (without coil diode) dc(resistive) ac(resistive) 250vac 220vdc applied power 0.1w applied power 0.14w applied power 0.2w coil temperature rise (c ) coil temperature rise (c) contact current (a) ratio of nominal coil voltage (%) operate time (ms) release time (ms) ec2/ee2 series high-inrush capability type
operations ( 10 4 ) 5 4 3 2 1 0 operations ( 10 4 ) 0 20 50 100 500 1000 10000 1000 100 10 5 4 3 2 1 0 0 2 5 10 50 100 -40 -20 0 20 40 60 80 100 100 80 60 40 20 0 ambient temperature (c) operate and release voltage vs.ambient temperature this shows a typical change of operate (release) voltage. the value of must operate is estimated, so coil voltage must be applied more than this value for safety operation. for hot start operation, please inquire with nec tokin. running test (non load) (load: none, drive:5vdc 50hz 50%duty, ambient temperature :room temperature, sample:ee2-5nq ,20pieces) operate voltage r e l ease v o l tage running test(load) (load:50vdc 0.1a resistive,drive:5vdc,5hz,50%duty,ambient temperature:85 c, sample:ee2-5nq ,10pieces) must operate voltage operate voltage (typical) release volta g e ( t yp ical ) ratio of nominal coil voltage (%) 0 20 50 100 500 1000 10000 1000 100 10 contact resistance (m ? ) operate voltage (v) release voltage (v) contact resistance (m ? ) operate voltage (v) release 0 2 5 10 50 100 operations ( 10 4 ) operations ( 10 4 ) operate voltage release voltage ec2/ee2 series high-inrush capability type
a b c d e f +40 +30 +20 +10 0 -10 -20 -30 -40 mountin g la y out +40 +30 +20 +10 0 -10 -20 -30 -40 mounting layout 100 50 0 0.5 1.0 1.5 2.0 breakdown voltage (k v) 100 50 0 1.0 1.5 2.0 2.5 100 50 0 0.5 1.5 2.0 2.5 breakdown voltage sample: ec2-5nq 10peices (a) between open contacts ( b ) between ad j acent contacts (c) between coil and contact alternation of voltage in dense mounting (magnetic interference) alternation of operate voltage distr bution ( % ) distribution ( % ) di s tri bu ti o n (%) breakdown voltage (k v) breakdown voltage (k v) ratio of alternation (%) on on off off on on off off on on on off off off e f device under test a b c d a b c d e f ratio of alternation (%) alternation of operate voltage 2.54mm 2.54 mm 2.54 mm ec2/ee2 series high-inrush capability type
packing dimension (unit: mm) tube packing (ec2/ee2) 35 pieces / tube (anti-static) tape packing (ee2) appearance number of storage: 500 pieces / reel reel diameter: 380mm tape dimensions a b ee2-xxnq-l max.10.9 10.0 relay direction mark and tape carrying direction reel top cover tape emboss carrying tape reel top cover tape emboss carrying tape 11.9 543 15.5 rubber stopper (red) direction of relay direction mark rubber stopper (green) 11.9 543 15.5 rubber stopper (red) direction of relay direction mark rubber stopper (green) 24.0 4 1.5 2.2 16 11.5 2.0 1.75 b 0.4 a 15.5 24.0 4 1.5 2.2 16 11.5 2.0 1.75 b 0.4 a 15.5 direction mark sprocket hole direction of unreeling direction mark sprocket hole direction of unreeling ec2/ee2 series high-inrush capability type
soldering temperature condition through-hole mounting (ec2) 1. automatic soldering preheating: 110~ 120c /110 sec. (max.) solder temperature: 260c max. solder time: 5 seconds max. note: nec tokin recommends cooling down a printed circuit board less than 110c within 40 seconds after soldering. 2. manual soldering solder temperature: 350c max. solder time: 3 seconds max. surface-mounting type (ee2) irs method note: 1. temperature profile shows printed circuit board surface temperature on the relay terminal portion. 2. check the actual soldering condition to use other method except above mentioned temperature profiles. 200 180 190 (max.300) 45 (max.70) 70 (max.120) temperature ( ) 220 max. 240 time (sec.) 200 180 190 (max.300) 45 (max.70) 70 (max.120) temperature ( ) 220 max. 240 time (sec.) ec2/ee2 series high-inrush capability type
note on correct use 1. notes on contact load make sure that the contact load is within the specified range; otherwise, the lifetime of the contacts will be shortened considerably. note that the running performance shown is an example, and that it varies depending on parameters such as the type of load, switching frequency, driver circuit, and ambient temperature under the actual operating conditions. evaluate the performance by using the actual circuit before using the relay. 2. driving relays - if the internal connection diagram of a relay shows + and - symbols on the coil, apply the rated voltage to the relay in the specified direction. if a rippled dc current source is used, abnormalities such as beat at the coil may occur. - the maximum voltage that can be applied to the coil of the relay varies depending on the ambient temperature. generally, the higher the voltage applied to the coil, the shorter the operating time. note, however, that a high voltage also increases the bounce of the contacts and the contact opening and closing frequency, which may shorten the lifetime of the contacts. - if the driving voltage waveform of the relay coil rises and falls gradually, the inherent performance of the relay may not be fully realized. make sure that the voltage waveform instantaneously rises and falls as a pulse. - for a latching relay, apply a voltage to the coil according to the polarity specified in the internal connection diagram of the relay. - if a current is applied to the coil over a long period of time, the coil temperature rises, promoting generation of organic gas inside the relay, which may result in faulty contacts. in this case, use of a latching relay is recommended. - the operating time and release time indicate the time required for each contact to close after the voltage has been applied to or removed from the coil. however, because the relay has a mechanical structure, a bounce state exists at the end of the operating and release times. furthermore, because additional time is required until the contact stabilizes after being in a high-resistance state, care must be taken when using the relay at high speeds. 3. operating environment - make sure that the relay mounted in the application set is used within the specified temperature range. use of a relay at a temperature outside this range may adversely affect insulation or contact performance. - if the relay is used for a long period of time in highly humid (rh 85% or higher) environment, moisture may be absorbed into the relay. this moisture may react with the nox and sox generated by glow discharges that occur when the contacts are opened or closed, producing nitric or sulfuric acid. if this happens, the acid produced may corrode the metallic parts of the relay, causing operational malfunction. - i f any material containing silicon (silicon rubber, silicon oil, and silicon based coating material) is used in the neighborhood of relay, there is some poss bility that these materials will emit silicon gas that will penetrat e the relay. in this case, the switching contact may generate silicon compounds on the surface of contacts. this silicon compound may result in contact failure. avoid use of relay in such an environment. - because the operating temperature range varies depending on the humidity, use the relay in the temperature range illustrated in the figure below. prevent the relay from being frozen and avoid the generation of condensation. - the relay maintains constant sealability under normal atmospheric pressure (810 to 1,200 hpa). its sealability may be degraded or the relay may be deformed and malfunction if it is used under barometric conditions exceeding the specified range. - the same applies when the relay is stored or transported. keep the upper-limit value of the temperature to which the relay is exposed after it is removed from the carton box to w ithin 50c. - permanent magnets are used in polarized relays. for this reason, when magnets, transformers, or speakers are located nearby the relay characteristics may change and faulty operations may result. - if excessive vibration or shock is applied to the relay, it may malfunction and the contacts remain closed. vibration or shock applied to the relay during operation may cause considerable damage to or wearing of the contacts. note that operation of a snap switch mounted close to the relay or shock due to the operation of magnetic solenoid may also cause malfunctioning. 4. notes on mounting relays - when mounting a relay onto a pc board using an automatic chip mounter, if excessive force is applied to the cover of the relay when the relay is chucked or inserted, the cover may be damaged or the characteristics of the relay degraded. keep the force applied to the relay to within 1 kg. - avoid bending the pins to temporarily secure the relay to the pc board. bending the pins may degrade sealability or adversely affect the internal mechanism. - it is recommended to solder the relay onto a pc board under the following conditions: <1> reflow soldering refer to the recommended soldering temperature profile. <2> flow soldering solder temperature: 260c max., time: 5 seconds max. preheating: 110~ 120c /110 sec. (max.) <3> manual soldering solder temperature: 350c, time: 2~3 seconds nominal coil voltage 0 <1msec. <1msec. -60 -40 -20 0 20 40 60 80 100 80 temperature ( c ) 60 40 20 85 5 humidity (%rh) ec2/ee2 series high-inrush capability type
- ventilation immediately after soldering is recommended. avoid immersing the relay in cleaning solvent immediately after soldering due to the danger of thermal shock being applied to the relay. - use an alcohol-based or water-based cleaning solvent. never use thinner and benzene because they may damage the relay housing. - do not use ultrasonic cleaning because the v bration energy generated by the ultrasonic waves may cause the contacts to remain closed. 5. handling - relays are packaged in magazine cases for shipment. if a space is created in the case after some relays have been removed, be sure to insert a stopper to secure the remaining relays in the case. if relays are not well secured, vibration during transportation may cause malfunctioning of the contacts. - exercise care in handling the relay so as to avoid dropping it or allowing it to fall. do not use a relay that has been dropped. if a relay drops from a workbench to the floor, a shock of 9,800 m/s2 (1,000 g) or more is applied to the relay, possibly damaging its functions. even if a light shock has been applied to the relay, thoroughly evaluate its operation before using it. - latching relays are factory-set to the reset state for shipment. a latching relay may be set, howev er, by vibration or shock applied while being transporte d. be sure to forc bly reset the relay before using it in the application set. also note that the relay may be set by unexpected v bration or shock when it is used in a portable set. - the sealability of a surface-mount (smt) relay may be lost if the relay absorbs moisture and is then heated during soldering. when storing relays, therefore, observe the following points: <1> for standard packing, please use relays within 12 months after delivery. (storage conditions: 30 c / 60% rh) if the relays have moisture absorption, dehumidify as follows. tape packing: 505 c, 200~300 hours. simple relay: 855 c, 48 hours. <2> for mbb packing, please use relays within 2 years after delivery. (storage conditions: 30 c / 60% rh) after open mbb packing, please use within 3 months. (storage conditions: 30 c / 60% rh) ec2/ee2 series high-inrush capability type
version 1.1 september 9, 2008 no part of this document may be copied or reproduced in any form or by any means without the prior written consent of nec tokin corporation. nec tokin corporation assumes no responsibility for any errors which may appear in this document. nec tokin corporation does not assume any liability for infringement of patents, copyrights or other intellectual property rights of third parties by or arising from use of a device described herein or any other liability arising from use of such device. no license, either express, implied or otherwise, is granted under any patents, copyrights or other intellectual property rights of nec tokin corpo ra tion or others. while nec t okin corporation has been making continuous effort to enhance the reliability of its electronic components, the possibility of defects cannot be eliminated entirely. to minimize risks of damage or injury to persons or property arising from a defect in an nec tokin electronic component, customers must incorporate sufficient safety measures in its design, such as redundancy, fire-containment, and anti-failure features. nec tokin devices are classified into the following three quality grades: "standard", "special", and "specific". the specific quality grade applies only to devices developed based on a customer d e signated "quality assurance program" for a specific application. the recommended applications of a device depend on its quality grade, as indicated below. customers must check the quality grade of each device before using it in a particular application. standard: computers, office equipment, communications equipment, test and measurement equipment, audio and visual equipment, home electronic appliances, machine tools, personal electronic equipment and industrial robots special: transportation equipment (automobiles, trains, ships, etc.), traffic control systems, anti-disaster systems, anti-crime systems, safety equipment and medical equipment (not specifically designed for life s uppo rt) s pecific: aircrafts, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems or medical equipment for life support, etc. the quality grade of nec tokin devices is "standard" unless otherwise specified in nec tokin's data sheets or data books. if customers intend to use nec tokin devices for applications other than those specified for standard quality grade, they should contact an nec tokin sales representative in advance. (note) (1) "nec tokin" as used in this statement means nec tokin corporation and also includes its majority owned subsidiaries. (2) "nec tokin electronic component products" means any electro ni c component product developed or m anufactured by or for nec tokin (as defined above). ec2/ee2 series high-inrush capability type

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