cr specifications twin power silent aut omotive relay cr relays mm inch 18.5 .728 24.6 .969 17.0 .669 features ?silent noise has been reduced by approximately 20 db, using our own silencing design. ?twin (1 form c 2) f orward/reverse motor control is possible with a single relay. ?sealed construction ?simple footprint enable ease of pc board layout normally open common normally closed coil coil contact coil #1 this value can change due to the switching frequency, environmental conditions, and desired reliability level, therefore it is recommended to check this with the actual load. characteristics arrangement 1 form c 2 (h bridge) contact material silver alloy initial contact resistance (by voltage drop 6 v dc 1a) max. 100 m ? contact voltage drop max. 0.2v (at 10 a) rating nominal switching capacity n.o.: 20 a 14 v dc n.c.: 10 a 14 v dc max. carrying current 35 a for 2 minutes, 25 a for 1 hour (12 v, at 20 c 68 f ) 30 a for 2 minutes, 20 a for 1 hour (12 v, at 85 c 185 f ) min. switching capacity #1 1 a 12 v dc expected life (min. operations) mechanical (at 120 cpm) min. 10 7 electrical resistive load min. 10 5 * 1 motor load min. 2 10 5 * 2 min. 10 5 * 3 nominal operating power 640 mw max. operating speed (at nominal switching capacity) 6 cpm initial insulation resistance* 4 min. 100 m ? (at 500 v dc) initial breakdown voltage* 5 between open contacts 500 vrms for 1 min. between contacts and coil 500 vrms for 1 min. operate time* 6 (at nominal voltage)(at 20 c 68 f ) max. 10 ms (initial) release time* 6 (at nominal voltage)(at 20 c 68 f ) max. 10 ms (initial) shock resistance functional* 7 min. 100 m/s 2 {10g} destructive* 8 min. 1,000 m/s 2 {100g} vibration resistance functional* 9 10 hz to 100 hz, min. 44.1 m/s 2 {4.5g} destructive* 10 10 hz to 500 hz, min. 44.1 m/s 2 {4.5g} conditions for operation, transport and storage* 11 (not freezing and condensing at low temperature) ambient temperature ?0 c to +85 c ?0 f to +185 f humidity 5% r.h. to 85% r.h. mass approx. 12.5g .44 oz remarks * 1 at nominal switching capacity, operating frequency: 1s on, 9s off * 2 n.o.: at 5 a (steady), 25 a (inrush)/n.c.: at 20 a (brake) 14 v dc, operating frequency: 0.5s on, 9.5s off * 3 at 20a 14 v dc (motor lock), operating frequency: 0.5s on, 9.5s off * 4 measurement at same location as ?nitial breakdown voltage section * 5 detection current: 10ma * 6 excluding contact bounce time * 7 half-wave pulse of sine wave: 11ms; detection: 10 s * 8 half-wave pulse of sine wave: 6ms * 9 detection time: 10 s * 10 time of vibration for each direction; x, y, direction: 2 hours z direction: 4 hours * 11 refer to 6. conditions for operation, transport and storage mentioned in ambient envi r onment x y z typical applications ?power windows ?auto door lock ?electrically powered sunroof ?electrically powered mirror, etc. ordering information contact arrangement coil voltage(dc) 1 form c 2 standard packing: carton(tube package) 32pcs. case: 800pcs. 12 v ex. cr 2 12 v all rights rese r v ed ?c opyright matsushita elect r ic w o r k s , ltd.
cr types and coil data (at 20 c 68 f ) * other pick-up voltage types are also available. please contact us for details. dimensions mm inch example of circuit part no. nominal voltage, v dc pick-up voltage, v dc (initial)* drop-out voltage, v dc (initial) coil resistance, nominal operating current, ma nominal operating power, mw usable voltage range, v dc CR2-12V 12 max. 7.2 min. 1.0 225 10% 53.3 10% 640 10 to 16 4.5 .177 3.5 .138 4.5 .177 0.6 .024 7-0.25 .010 7-1.2 .047 3.5 .138 18.5 .728 24.6 .969 17.0 .669 22.4 .882 8.0 .315 4.5 .177 pre-soldering a* max. 1.0 .039 dimension: t oler ance max. 1mm .039 inch : 0.1 .004 1 to 3mm .039 to .118 inch : 0.2 .008 min. 3mm .118 inch : 0.3 .012 * dimensions (thickness and width) of terminal specited in this catalog is measured before pre-soldering. intervals between terminals is measured at a surface level. pc board pattern (bottom view) tolerance: 0.1 .004 schematic (bottom view) 4.5 .177 4.5 .177 4.5 .177 3.5 .138 7-1.5 dia 7-.059 dia +0.1 0 +.004 0 22.4 .882 8.0 .315 com1 com2 coil ncno forward/reverse control circuits of dc motor for power window m power window motor com com 12 vdc nc no tr1 tr2 m tr 1t r2 motor off off stop on off forward off on reverse all rights rese r v ed ? c o p y r i gh t matsushita elect r ic w o r k s , ltd.
cr reference data 1-(1). coil temperature rise (at room temperature) sample: CR2-12V, 5pcs contact carrying current: 10a, 15a, 20a ambient temperature: room temperature 1-(2). coil temperature rise (at 85 c 185 f ) sample: CR2-12V, 5pcs contact carrying current: 10a, 15a ambient temperature: 85 c 185 f 2. max. switching capability (resistive load) 12 14 16 200 160 120 80 40 0 15a 10a 20a coil applied voltage, v temperature rise, c 12 14 16 200 160 120 80 40 0 15a 10a coil applied voltage, v temperature rise, c 0 switching current, a switching voltage, vdc 10 50 40 30 20 60 (n.o. side room temperature) 0203040 10 50 3. ambient temperature and operating temperature range 4. ambient temperature characteristics 5. distribution of pick-up and drop-out voltage sample: CR2-12V, 100pcs 0 ambient temperature, c coil applied voltage, vdc 5 10 15 35 30 25 20 40 e40 e20 20 40 60 1000 120 8085 pick-up voltage (cold start) 0 ambient temperature, c ratio against the rated voltage, %v 10 20 30 70 60 50 40 80 e40 e20 20 40 60 1000 pick-up voltage upper limit pick-up voltage lower limit 80 0 30 20 10 40 50 60 70 voltage, v frequency, n 1.5 2.0 2.5 3.0 3.5 4.5 5.04.0 5.5 6.0 6.5 7.0 7.5 pick-up voltage drop-out voltage 6. distribution of operate time sample: CR2-12V, 100pcs 7. distribution of release time sample: CR2-12V, 100pcs * with diode 0 30 20 10 40 50 60 70 80 90 100 time, ms quantity, n 3.02.01.5 2.5 3.5 4.5 5.04.0 5.5 6.0 6.5 0 30 20 10 40 50 60 70 80 90 100 time, ms quantity, n 3.02.01.5 2.5 3.5 4.5 5.04.0 5.5 6.0 6.5 8-(1). operation noise distribution when operated 8-(2). operation noise distribution when released measuring conditions sample: cr2-12 v, 50 pcs. equipment setting: a weighted, fast, max. hold coil voltage: 12v dc coil connection device: diode background noise: approx. 20db 0 10 20 30 40 50 40 42 44 46 48 50 52 5654 frequency noise level, db 0 10 30 20 40 50 36 38 40 42 4644 48 50 52 frequency noise level, db relay microphone sponge 50mm 1.969inch all rights rese r v ed ? c o p y r i gh t matsushita elect r ic w o r k s , ltd.
cr for cautions f or us e , see rel a y t e c hnical in f ormation 9-(1). electrical life test (motor free) sample: CR2-12V, 3pcs load: inrush current: 25a, steady current: 6a, brake current: 15a, power window motor actual load (free condition) tested voltage: 14v dc ambient temperature: room temperature circuit change of pick-up and drop-out voltage change of contact resistance 14vdc m 0 no. of operations, 10 4 pick-up and drop-out voltage, v max. max. min. min. x x 2 1 4 6 8 9 7 5 3 10 020 10 pick-up voltage drop-out voltage max. min. x(n.c.) 0 no. of operations, 10 4 contact resistance, m max. min. x(n.o.) 50 40 30 20 10 010 n.o. side n.c. side load current waveform inrush current: 25a, steady current: 6a, brake current: 15a tested voltage: 14v dc 100ms 10a 9-(2). electrical life test (motor lock) sample: CR2-12V, 3pcs brake current: 22a, power window motor actual load (lock condition) tested voltage: 14v dc switching frequency: (on:off = 0.5s:9.5s) ambient temperature: room temperature circuit change of pick-up and drop-out voltage change of contact resistance 14vdc motor m 0 no. of operations, 10 4 pick-up and drop-out voltage, v max. max. min. min. x x 2 1 4 6 8 9 7 5 3 10 010 5 pick-up voltage drop-out voltage 0 no. of operations, 10 4 contact resistance, m max. min. x 10 20 30 40 50 010 5 max. min. x n.o. side n.c. side load current waveform brake current: 22a tested voltage: 14v dc 100ms 5a all rights rese r v ed ? c o p y r i gh t matsushita elect r ic w o r k s , ltd.
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