data shee t general purpose chip resistors rc1218 5%, 1% rohs compliant & halogen free product specification ? mar 15, 2010 v.3 supersedes date of mar. 06, 2003
chip resistor surface mount w ww.yageo.com mar 15, 2010 v.3 product specification 2 9 series rc 1218 y y a a g g e e o o b b r r a a n n d d o o r r d d e e r r i i n n g g c c o o d d e e global part number ( preferred ) rc1218 x k - xx xxxx l ( 1 ) ( 2 ) ( 3 ) ( 4 ) ( 5 ) ( 6 ) ( 1 ) tolerance f = 1% j = 5% (for jumper ordering, use code of j) ( 2 ) packaging type k = embossed taping reel ( 3 ) temperature coefficient of resistance ? = base on spec ( 4 ) taping reel 07 = 7 inch dia. reel ( 5 ) resistance value there are 2~4 digits indicated the resistor val ue. letter r/k/m is decimal point, no need to mention the last zero after r/k/m, e.g.1k2, not 1k20. detailed resistance rules show in table of ?resistance rule of global part number?. (6) default code letter l is system default code for order only (note) ordering information - global part number & 12nc both part numbers are identified by the series, size, tolerance, packing type, temperature coefficient, taping reel and resistance value. scope this specification describes rc1218 series chip resistors with lead-free terminations made by thick film process. applications all general purpose application features halogen free epoxy rohs compliant - products with lead free terminations meet rohs requirements - pb-glass contained in electrodes, resistor element and glass are exempted by rohs reducing environmentally hazardous wastes high component and equipment reliability saving of pcb space none forbidden-materials used in products/production o rdering example the ordering code of a rc1218 chip resistor, value 56 x with 1% tolerance, supplied in 7-inch tape reel is: rc1218fk-0756rl. note 1. all our rsmd products meet rohs compliant and halogen free. "lfp" of the internal 2d reel label mentions "lead free process" 2. on customized label, "lfp" or specific symbol can be printed resistance rule of global part number resistance code rule example 0r 0r = jumpe r xrxx (1 to 9.76 ? ) 1r = 1 ? 1r5 = 1.5 ? 9r76 = 9.76 ? xxrx (10 to 97.6 ? ) 10r = 10 ? 97r6 = 97.6 ? xxxr (100 to 976 ? ) 100r = 100 ? xkxx (1 to 9.76 k ? ) 1k = 1,000 ? 9k76 = 9760 ? xmxx (1 to 9.76 m ? ) 1m = 1,000,000 ? 9m76= 9,760,000 ?
chip resistor surface mount w ww.yageo.com mar 15, 2010 v.3 product specification 3 9 series rc 1218 p p h h y y c c o o m m p p b b r r a a n n d d o o r r d d e e r r i i n n g g c c o o d d e e s s both global part number (preferred) and 12nc (t raditional) codes are acceptable to order phycomp brand products. global part number ( preferred ) for detailed information of global part number an d ordering example, please refer to page 2. resistance decade (3) last digit 0.01 to 0.0976 x 0 0.1 to 0.976 x 7 1 to 9.76 x 8 10 to 97.6 x 9 100 to 976 x 1 1 to 9.76 k x 2 10 to 97.6 k x 3 100 to 976 k x 4 1 to 9.76 m x 5 10 to 97.6 m x 6 example: 0.02 x = 0200 or 200 0.3 x = 3007 or 307 1 x = 1008 or 108 33 k x = 3303 or 333 10 m x = 1006 or 106 last digit of 12nc (1) the resistors have a 12-digit ordering code starting with 2322. (2) the subsequent 4 or 5 digits indicate the resistor tolerance and packaging. (3) the remaining 4 or 3 digits represent the resistance value with the last digit indicating the multiplier as shown in the table of ?last digit of 12nc?. (4) letter l is system default code for order only (note) o rdering example the ordering code of a prc201 resistor, value 56 x with 1% tolerance, supplied in tape of 4,000 units per reel is: 232273575609l or rc1218fk-0756rl. note 1. all our rsmd products meet rohs compliant and halogen free. "l fp" of the internal 2d reel la bel mentions "lead free process" 2. on customized label, "lfp" or specific symbol can be printed 12nc code 2322 xxx xx xxx l (1) (2) (3) ( 4 ) embossed tape on reel (units) (2) type/ 1218 start in (1) tol. (%) resistance range 4,000 prc201 2322 5% 1 to 1 m ? 735 64xxx prc201 2322 1% 1 to 1 m ? 735 7xxxx jumper 2322 - 0 ? 735 90007
chip resistor surface mount w ww.yageo.com mar 15, 2010 v.3 product specification 4 9 series rc 1218 construction the resistor is constructed on top of a high-grade ceramic body. internal metal electrodes are added on each end to make the contacts to the thick film resistive element. the composition of the resistive element is a noble metal imbedded into a glass and covered by a second glass to prevent environment influences. the resistor is laser trimmed to the rated resistance value. the resistor is covered with a protective epoxy coat, finally the two external terminations (matte tin on ni- barrier) are added. see fig.3 dimensions type rc1218 l (mm) 3.10 0.10 w (mm) 4.60 0.10 h (mm) 0.55 0.10 i 1 (mm) 0.45 0.20 i 2 (mm) 0.40 0.20 table 1 overcoat primary glass layer resistive layer (jumper chip is a conductor) inner electrode termination(ni/matte tin) ceramic substrate h i 2 ynsc066 overcoat w l i 1 marking layer o o u u t t l l i i n n e e s s for dimension see table 1 fig. 3 chip resistor outlines marking rc1218 e-24 series: 3 digits first two digits for significant figu re and 3rd digit for number of zeros both e-24 and e-96 series: 4 digits first three digits for significant figu re and 4th digit for number of zeros for further marking information, please see special data sheet ?chip resistors marking?. fig. 2 value=10 k ? fig. 1 value=100 ? ynsc023 ynsc024
chip resistor surface mount w ww.yageo.com mar 15, 2010 v.3 product specification 5 9 series rc 1218 electrical characteristics characteristics rc1218 1 w operating temperature range ?55 c to +155 c maximum working voltage 200 v maximum overload voltage 500 v dielectric withstanding voltage 500 v 5% (e24) 1 ? to 1 m ? 1% (e24/e96) 1 ? to 1 m ? resistance range zero ohm jumper < 0.02 ? 1 ? r 10 ? 200 ppm/c temperature coefficient 10 ? < r 1 m ? 100 ppm/c rated current 6 a jumper criteria maximum current 10 a footprint and soldering profiles for recommended footprint and soldering profiles, please see the special data sheet ?chip resistors mounting?. table 2 packing style and p a ckaging quantity product type packing style reel dimension quantity per reel rc1218 embossed taping reel (k) 7" (178 mm) 4,000 units note 1. for embossed tape and reel specification/dimensions, please see the special data sheet ?chip resistors packing? table 3 packing style and packaging quantity mlb206_2 70 100 55 50 t amb ( c) o (%p ) rated 0 0 50 100 155 p handbook, halfpage functional description p p o o w w e e r r r r a a t t i i n n g g rc1218 rated power at 70c is 1 w r ated voltage the dc or ac (rms) continuous working voltage corresponding to the rated power is determined by the following formula: v= (p x r) or max. working voltage whichever is less where v=continuous rated dc or ac (rms) working voltage (v) p=rated power (w) r=resistance value ( x ) fig. 4 maximum dissipation (p) in percentage of rated power as a function of the operating ambient temperature (t amb )
chip resistor surface mount w ww.yageo.com mar 15, 2010 v.3 product specification 6 9 series rc 1218 tests and requirements test test method procedure requirements at +25/?55 c and +25/+125 c temperature coefficient of resistance (t.c.r.) iec 60115-1 4.8 formula: t.c.r= ------------------------- 1 0 6 (ppm/c) where t 1 =+25 c or specified room temperature t 2 =?55 c or +125 c test temperature r 1 =resistance at reference temperature in ohms r 2 =resistance at test temperature in ohms refer to table 2 life/endurance iec 60115-1 4.25.1 at 705 c for 1,000 hours, rcwv applied for 1.5 hours on, 0.5 hour off, still air required (1.0%+0.05 ? ) for 1% tol. (3.0%+0.05 ? ) for 5% tol. <100 m ? for jumper high temperature exposure/ endurance at upper category temperature iec 60068-2-2 1,000 hours at 1555 c, unpowered (1.0%+0.05 ? ) for 1% tol. (2.0%+0.05 ? ) for 5% tol. <50 m ? for jumper moisture resistance mil-std-202g method-106g each temperature / humidity cycle is defined at 8 hours, 3 cycles / 24 hours for 10d. with 25 c / 65 c 95% r.h, without steps 7a & 7b, unpowered parts mounted on test-boards, without condensation on parts measurement at 242 hours after test conclusion (0.5%+0.05 ? ) for 1% tol. (2.0%+0.05 ? ) for 5% tol. <100 m ? for jumper thermal shock mil-std-202g method-107g -55/+125 c number of cycles required is 300. devices unmounted maximum transfer time is 20 seconds. dwell time is 15 minutes. air ? air (0.5%+0.05 ? ) for 1% tol. (1%+0.05 ? ) for 5% tol. <50 m ? for jumper short time overload iec60115-1 4.13 2.5 times of rated voltage or maximum overload voltage whichever is less for 5 sec at room temperature (1.0%+0.05 ? ) for 1% tol. (2.0%+0.05 ? ) for 5% tol. <50 m ? for jumper no visible damage table 4 test condition, procedure and requirements r 2 ?r 1 r 1 (t 2 ?t 1 )
chip resistor surface mount w ww.yageo.com mar 15, 2010 v.3 product specification 7 9 series rc 1218 test test method procedure requirements board flex/ bending iec 60068-2-21 chips mounted on a 90mm glass epoxy resin pcb (fr4) 2 mm bending bending time: 605 seconds (1.0%+0.05 ? ) for 1%, 5% tol. <50 m ? for jumper no visible damage low temperature operation iec 60068-2-1 the resistor shall be su bjected to a dc rated voltage for 1.5 h-on, 0.5 h-off, at -553 c this constitutes shall be repeated for 96 hours however the applied voltage shall not exceed the maximum operating voltage (0.5%+0.05 ? ) for 1% tol. (1.0%+0.05 ? ) for 5% tol. no visible damage insulation resistance iec 60115-1 4.6 rated continuous overload voltage (rcov) for 1 minute type rc1218 voltage (dc) 100 v 10 g ? dielectric withstand voltage iec 60115-1 4.7 maximum voltage (v rms ) applied for 1 minute type rc1218 voltage (ac) 500 v rms no breakdown or flashover resistance to solvent ipc/jedec j-std-020d lsopropylalcohol (c 3 h 7 oh) followed by brushing no smeared noise iec 60115-1 4.12 maximum voltage (vrms) applied resistors range v alue r < 100 ? 10 db 100 ? r < 1 k ? 20 db 1 k ? r < 10 k ? 30 db 10 k ? r < 100 k ? 40 db 100 k ? r < 1 m ? 46 db 1 m ? r 22 m ? 48 db humidity (steady state) iec 60115-1 4.37 steady state for 1000 hours at 40 c / 95% r.h. rcwv applied for 1.5 hours on and 0.5 hour off (1.0%+0.05 ? ) for 1% tol. (2.0%+0.05 ? ) for 5% tol. <100 m ? for jumper
chip resistor surface mount w ww.yageo.com mar 15, 2010 v.3 product specification 8 9 series rc 1218 test test method procedure requirements intermittent overload iec 60115-1 4.39 2.5 times of rated voltage or maximum overload voltage whichever is less for 1 second on and 25 seconds off; total 10,000 cycles (1.0%+0.05 ? ) for 1% tol. (2.0%+0.05 ? ) for 5% tol. <100 m ? for jumper solderability - wetting ipc/jedec j-std-002b test b electrical test not required magnification 50x smd conditions: 1 st step: method b, aging 4 hours at 155 c dry heat 2 nd step: leadfree solder bath at 2453 c dipping time: 30.5 seconds well tinned ( 95% covered) no visible damage - leaching ipc/jedec j-std-002b test d leadfree solder, 260 c, 30 seconds immersion time no visible damage - resistance to soldering heat iec 60068-2-58 condition b, no pre-heat of samples leadfree solder, 260 c, 10 seconds immersion time procedure 2 for smd: devices fluxed and cleaned with isopropanol (0.5%+0.05 ? ) for 1% tol. (1.0%+0.05 ? ) for 5% tol. <50 m ? for jumper no visible damage
chip resistor surface mount w ww.yageo.com mar 15, 2010 v.3 product specification 9 9 series rc 1218 revision history ? yageo reserves all the rights for revising the content of this datasheet without furt her notification, as long as the product s itself are unchanged. any product change will be announced by pcn.? revision date change notification description version 3 mar 15, 2010 - - test items and methods updated - test requirements upgraded - the statement of "halogen free" on the cover added version 2 jul 15, 2008 - - change to dual brand data sheet that describe rc1218 with rohs compliant - description of "halogen free epoxy" added - define global part number version 1 oct 13, 2004 - - new datasheet for 1218 thick film 1% and 5% with lead-free terminations - replace the 1218 part of pdf files: prc201_51_17 - test method and procedure updated - taping reel changed from 11" to 7" and quantity per reel from 5k to 4k as well
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