?003 teledyne relays specifications are subject to change without notice 420 422 page 62 www.teledynerelays.com 420 422/1203/q1 est ablished reliability series 420/422 magnetic-latching established reliability to-5 relays dpdt description the magnetic-latching to-5 relay, originally conceived and developed by teledyne, has become one of the industry standards for low-level switching from dry circuit to 1 ampere. designed for high-density pc board mounting, its small size and low coil power dissipation make the 420 and 422 relays some of the most versatile ultraminiature relays available. the following unique construction features and manufacturing techniques provide excellent resistance to environmental extremes and overall high reliability: ? all welded construction. ? unique uni-frame design providing high magnetic efficiency and mechanical rigidity. ? high force/mass ratios for resistance to shock and vibration. ? advanced cleaning techniques provide maximum assurance of internal cleanliness. ? precious metal alloy contacts material with gold plating assures excellent high current and dry circuit switching capabilities. the series 420d/422d and 420dd/422dd utilize discrete diodes for coil suppression and polarity reversal protection. by virtue of its inherently low intercontact capacitance and contact circuit losses, these to-5 relays have proven to be excellent ultraminiature rf switches for frequency ranges well into the uhf spectrum. a typical rf application for these to-5 relays is in handheld radio receivers, wherein the combined features of good rf performance, small size, very low coil power dissipation and high reliability make it a preferred method of transmit-receive switching (see figure 1). the series 420/422 magnetic-latching relays are ideally suited for applications where power dissipation must be minimized. the relays can be operated with a short duration pulse. after the contacts have transferred, no external holding power is required. the magnetic latching feature of the series 420/422 relays provide a emory capability, since the relays will not reset upon removal of coil power. principle of operation energizing coil b produces a magnetic field opposing the holding flux of the permanent magnet in circuit b. as this net holding force decreases, the attractive force in the air gap of circuit a, which also results from the flux of the permanent magnet, becomes great enough to break the armature free of core b, and snap it into a closed position against core a. the armature then remains in this position upon removal of power from coil b, but will snap back into position b upon energizing coil a. since operation depends upon cancellation of a magnetic field, it is necessary to apply the correct polarity to the relay coils as indicated on the relay schematic. when latching relays are installed in equipment, the latch and reset coils should not be pulsed simultaneously. coils should not be pulsed with less than rated coil voltage and the pulse width should be a minimum of three times the specified operate time of the relay. if these conditions are not followed, it is possible for the relay to be in the magnetic neutral position. magnetic circuit a soft iron frame + coil a soft iron coil a - air gap stationary contact permanent magnet magnetic circuit b coil b soft iron coil b soft iron armature + moving contact - series designation relay type 420/422 dpdt basic relay 420d/422d dpdt relay with internal diode for coil transient suppression 420dd/422dd dpdt relay with internal diodes for coil transient suppression and polarity reversal protection environmental and physical specifications temperature (ambient) C5? to +125 vibration (general note 1) 30 gs to 3000 hz shock (general note 1) 100 gs, 6 msec, half-sine acceleration 50 gs enclosure hermetically sealed weight 0.10 oz. (2.84g) max.
420 422 page 63 specifications are subject to change without notice ?003 teledyne relays www.teledynerelays.com 420 422/1203/q1 est ablished reliability performance curves (note 2) series 420/422 general electrical specifications (C5?to +125? nless otherwise noted) (notes 2 & 3) detailed electrical specifications (C5?to +125? nless otherwise noted) (note 3) contact arrangement 2 form c (dpdt) rated duty continuous contact resistance 0.125 ohm max. before life; 0.225 ohm max. after life at 0.5a/28vdc (measured 1/8" from header) contact load ratings (dc) (see fig. 2 for other dc resistive voltage/current ratings) resistive: 1 amp/28vdc inductive: 200 ma/28vdc (320 mh) lamp: 100 ma/28vdc low level: 10 to 50 ?/10 to 50mv contact load ratings (ac) resistive: 250 ma/115vac, 60 and 400 hz (case not grounded) 100 ma/115vac, 60 and 400 hz (case grounded) contact life ratings 10,000,000 cycles (typical) at low level 1,000,000 cycles (typical) at 0.5a/28vdc resistive 100,000 cycles min. at all other loads specified above contact overload rating 2a/28vdc resistive (100 cycles min.) contact carry rating contact factory coil operating power 290 milliwatts typical at nominal rated voltage @ 25 operate time 420/422, 420d/422d: 1.5 msec max. at nominal rated coil voltage 420dd/422dd: 2.0 msec max. at nominal rated coil voltage contact bounce 2.0 msec max. minimum operate pulse 4.5 msec width @ rated voltage intercontact capacitance 0.4 pf typical insulation resistance 10,000 megohms min. between mutually isolated terminals dielectric strength atmospheric pressure: 500 vrms/60hz 70,000 ft.: 125 vrms/60hz negative coil transient (vdc) 420d/422d, 420dd/422dd 1.0 max diode p.i.v. (vdc) 420d/422d, 420dd/422dd 100 min. base part numbers (see note 8 for full p/n example) 420/422-5 420d/422d-5 420dd/422dd-5 420/422-6 420d/422d-6 420dd/422dd-6 420/422-9 420d/422d-9 420dd/422dd-9 420/422-12 420d/422d-12 420dd/422dd-12 420/422-18 420d/422d-18 420dd/422dd-18 420/422-26 420d/422d-26 420dd/422dd-26 coil voltage (vdc) nom. 5.0 6.0 9.0 12.0 18.0 26.5 max. 6.0 8.0 12.0 16.0 24.0 32.0 coil resistance (ohms ?0% @25? 420/422, 420d/420d 61 120 280 500 1130 2000 420dd/422dd (note 4) 48 97 280 500 1130 2000 coil current (madc @25) (420dd/422dd series only) min. 75.8 46.9 26.0 20.0 13.7 11.6 max. 104.2 63.0 33.7 25.5 17.2 14.4 set & reset voltage (vdc, max.) 420/422, 420d/422d 3.5 4.5 6.8 9.0 13.5 18.0 420dd/422dd 4.5 5.5 7.8 10.0 14.5 19.0 0 .1.2 .3 .4 1020 30 40 50 60 70 .01 0.5 .1 .5 1.0 frequency (ghz) figure 1 typical rf performance insertion l oss isolation across co ntact s isolation across pol es 1.92 1.221.07 1.02 1.01 1.00 1.00 vswr 300 250200 150 100 50 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 load current (amps dc) figure 2 typical dc cont act ra ting (resistive) load vol tag e (vdc) db return lo ss (vswr)
?003 teledyne relays specifications are subject to change without notice 420 422 page 64 www.teledynerelays.com 420 422/1203/q1 est ablished reliability .370 (9.40) dia. max. .335 (8.51) dia. max. .280 (7.11) max. +.002 (.05) .017 (.43) C001 (.03) dia. wire lead: .75 (19.05) min. pin: .187 (4.75) .010 (.25) (see note 6) case detail 10 1 2 3 4 5 6 7 8 9 terminal locations and pin numering (ref only) (viewed from terminals) dimensions are shown in inches (millimeters) .035 (.89) .010 (0.25) .031 (.79) .003 (0.08) .200 (5.08) .010 (.25) dia. 36 3 typ. .035 (.89) .010 (0.25) .031 (.79) .003 (0.08) .200 (5.08) .010 (.25) dia. 36 3 typ. 420 422 outline dimensions general notes 1. relay contacts will exhibit no chatter in excess of 10 sec or transfer in excess of 1 ?ec. 2. ypical characteristics are based on available data and are best estimates. no on-going verification tests are performed. 3. unless otherwise specified, parameters are initial values. 4. for reference only. coil resistance not directly measurable at relay terminals due to internal series diode. 420dd and 422dd only. 5. unless otherwise specified, relays will be supplied with either gold-plated or solder-coated leads. 6. the slash and characters appearing after the slash are not marked on the relay. 7. screened hi-rel versions available. contact factory. 8. schematics are viewed from terminals contacts shown in position resulting when coil a last energized coil b coil a 420 coil b coil a 420d coil b coil a 420dd coil b coil a 422 coil b coil a 422d coil b coil a 422dd schematic diagrams te l edyne par t numbering system f or t 2 r ? e stablis hed reliability r elay er 422 x m - 26 a / s q e st a bli s h ed r el i ab i li t y d es i gn at or pad option (see appendix) r elay ser ies optional ground pin (see appendix) q= solder coated leads g= gold plated leads (notes 5 and 6) s= 0.187" leads (note 6) coil voltage screening and reliability level te l edyne par t numbering system f or m ilitary qualified (ja n) r elays j 422 x m - 26 p l m ilitary (ja n ) d esignator pad option (see appendix) r elay ser ies optional ground pin (see appendix) te r minal v ariant p = 0.187" coil voltage screening and reliability level series 420/422
relay options page 119 specifications are subject to change without notice ?003 teledyne relays www.teledynerelays.com rop/1203/q1 appendix spacer pads
?003 teledyne relays specifications are subject to change without notice relay options page 120 www.teledynerelays.com rop/1203/q1 appendix spreader pads
relay options page 121 specifications are subject to change without notice ?003 teledyne relays www.teledynerelays.com rop/1203/q1 appendix ground pin positions
teledyne relays part numbering system er 114 y m4 - 26 a / s q established reliability designator relay series ground pin option (see appendix a) pad option (see appendix a) q = solder-coated leads g = gold-plated leads (rohs compliant) * parts ordered without suffx may be received with solder-coated or gold-plated leads. s = 0.187 leads w = 1.5 leads no suffx = 0.75 leads screening and reliability level (see appendix for screening options b) nominal coil voltage (26 = 26.5 v) t 2 r established reliability relays j 114 z m4 - 26 p l military (jan) designator relay series ground pin option (see appendix a) pad option (see appendix a) p = 0.187 leads w = 1.5 leads no suffx = 0.75 leads screening and reliability level (see appendix for screening options b) nominal coil voltage (26 = 26.5 v) military qualifed (jan) relays rf100 x - 26 / s q relay series ground pin option (see appendix a) * not applicable for grf relays q = solder-coated leads g = gold-plated leads (rohs compliant) * parts ordered without suffx may be received with solder-coated or gold-plated leads. s = 0.187 leads no suffx = 0.75 leads * not applicable for grf relays nominal coil voltage (26 = 26.5 v) rf relays rf attenuator relays a150 - 20 - 26 / s q relay series attenuation value (db) q = solder-coated leads g = gold-plated leads (rohs compliant) * parts ordered without suffx may be received with solder-coated or gold-plated leads. s = 0.187 leads no suffx = 0.75 leads nominal coil voltage (26 = 26.5 v) (800) 284-7007 ? www .teledynerelays.com ? +44 (0) 1236 453124 ? www.teledyne-europe.com ? 2008 teledyne relays
screening leve ls in sp ec t ion applicable to a level 1.5%/10k c ycles b level .75%/10k c ycles ja n l level 3%/10k c ycles ja n m level 1%/10k c ycles subgroup 1 screening, internal moisture aql x x x x vibration (sinusoidal) aql x vibration (sinusoidal) 100% x x screening, burn-in (hybrids only) x x x screening, run-in (room temperature) x screening, run-in (+125c and C65c) x x x subgroup 2 coil resistance or coil current x x x x insulation resistance x x x x dielectric withstanding voltage x x x x static contact resistance x x x x pickup and dropout or set and reset voltage x x x x operate and release or set and reset time x x x x hold voltage x x turn-on and turn-off time (hybrids only) x x x x contact bounce time x x contact stabilization time x x turn-on current (t hybrids only) x x x x turn-on voltage (c hybrids only) x x x x turn-off voltage (hybrids only) x x x x coil transient suppression (d, dd and hybrids only) x x x x diode blocking integrity (dd only) x x x x zener voltage (c hybrid only) x x x x neutral screen (latching relays only) x x x x break before make verifcation x x contact simultaneity x x subgroup 3 solderability 2 samples per daily solderability inspection lot x x x x leak test x x x x external visual and mechanical inspection 2/lot for dimension and weight check x x x x appendix b: teledyne relays t 2 r program ? 2008 teledyne relays
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