cf specifications types and coil data (at 20 c 68f) * other pick-up voltage types are also available. please contact us for details. twin power automotive relay cf relays 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, vdc CF2-12V 12 max. 7.2 min. 1.0 225 10% 53.3 10% 640 10 to 16 features 7 amp steady/30 amp inrush current capability simple footprint enables ease of pc board layout 16.5 .650 16.5 .650 22.5 .886 mm inch rohs directive compatibility information http://www.nais-e.com/ normally open open space common normally closed coil 1 coil 2 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 remarks * 1 measurement at same location as initial breakdown voltage section * 2 detection current: 10ma * 3 excluding contact bounce time * 4 half-wave pulse of sine wave: 11ms; detection time: 10 s * 5 half-wave pulse of sine wave: 6ms * 6 detection time: 10 s * 7 time of vibration for each direction; x, y, direction: 2 hours z direction: 4 hours * 8 refer to conditions for operation, transport and storage mentioned in ambient environment. please inquire if you will be using the relay in a high temperature atmosphere (110 c 230 f). arrangement 1 form c 2 (h bridge) contact material ag alloy (cadmium free) initial contact resistance (initial) (by voltage drop 6 v dc 1 a) typ. 6 m ? (n.o.) typ. 9 m ? (n.c.) initial contact voltage drop max. 0.2 v (at 20 a) rating nominal switching capacity n.o.: 20a 14 v dc n.c.: 10a 14 v dc max. carrying current 30 a (2 minutes), 20 a (1 hour) (coil applied voltage: 12 v, at 20 c) 25 a (2 minutes), 15 a (1 hour) (coil applied voltage: 12 v, at 85 c) min. switching capacity #1 1 a 12 v dc expected life (min. ope.) mechanical (at 120 cpm) 10 6 electrical resistive load min.10 5 7 a 14 v dc, inrush 30 a (motor load) 210 5 20 a 14 v dc (motor lock) min.5 10 4 nominal operating power 640 mw max. operating speed (at rated load) 120 cpm initial insulation resistance* 1 min. 100 m ? (at 500 v dc) initial breakdown voltage* 2 between open contacts 1,000 vrms for 1 min. between contacts and coil 1,000 vrms for 1 min. operate time* 3 (at nominal voltage) max. 10 ms (initial) release time* 3 (at nominal voltage) max. 10 ms (initial) shock resistance functional* 4 min. 100 m/s 2 {10 g} destructive* 5 min. 1,000 m/s 2 {100 g} vibration resistance functional* 6 approx. 44.1 m/s2 {4.5 g}, 10 hz to 100 hz destructive* 7 approx. 44.1 m/s 2 {4.5 g}, 10 hz to 500 hz conditions for operation, transport and storage* 8 (not freezing and condensing at low temperature) ambient temp. 40 c to + 85 c 40 f to +185 f humidity 5%r.h. to 85%r.h. mass standard type approx. 15 g .529 oz x y z typical applications power windows auto door lock electrically powered sunroof electrically powered mirrors powered seats lift gates slide door closers, etc. (for dc motor forward/ reverse control circuits) ordering information contact arrangement coil voltage(dc) 1 form c 2 standard packing: carton: 35pcs.; case: 700pcs. 12 v ex. cf 2 12 v all rights reserved ?copyright matsushita electric works, ltd.
cf example of circuits reference data dimensions mm inch 3.81 .150 0.3 .012 0.3 .012 1.0 .039 1.0 .039 1.0 .039 1.0 .039 1.0 .039 0.2 .008 0.25 .010 0.25 .010 7.62 .300 10.16 .400 japan pre-soldering *a max. 1.2 .047 16.5 .650 3.5 .138 12.7 .500 5.08 .200 5.08 .200 2.54 .100 recommended pc board pattern schematic land diameter (0.8) (.031) (3) (.118) (6-4 dia.) (6-.157 dia.) (r1.5) 7.620.1 .300.004 10.160.1 .400.004 6.350.1 .250.004 12.70.1 .500.004 4-1.5 dia.0.1 4-.059 dia..004 4-1.3 dia.0.1 4-.052 dia..004 5.080.1 .200.004 1.270.1 .050.004 2.540.1 .100.004 5.080.1 .200.004 3.810.1 .150.004 nc no com1 com2 dimension: gener al toler 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 speci ed in this catalog is measured before pre-soldering. intervals between terminals is measured at a surface level. forward/reverse control circuits of dc motor for power window : power window motor 12 v dc sw a m m sw b no no nc nc com com sw a sw b motor off off stop on off forward off on reverse 1-(1). coil temperature rise (at room temperature) sample: CF2-12V, 6pcs. measured potion: inside the coil contact carrying current: 10a, 15a, 20a ambient temperature: room temperature 1-(2). coil temperature rise (at 85 c 185 f) sample: CF2-12V, 6pcs. measured potion: inside the coil contact carrying current: 10a, 15a, 20a ambient temperature: 85 c 185 f 2. max. switching capability (resistive load, initial) 0 20 40 60 80 100 12 14 16 coil applied voltage, v temperature rise, c 20a 15a 10a 0 20 40 60 80 100 12 14 16 coil applied voltage, v temperature rise, c 15a 20a 10a 0 switching current, a switching voltage, vdc 10 50 40 30 20 60 02 03 04 0 10 50 (n.o. side room temperature) 3. ambient temperature and operating temperature range 4. distribution of pick-up and drop-out voltage sample: CF2-12V, 100pcs. 5. distribution of operate and release time sample: CF2-12V, 100pcs. * with diode 0 ambient temperature, c coil applied voltage, vdc 5 10 15 35 30 25 20 40 40 20 20 40 60 100 0 120 8085 pick-up voltage (cold start) 0 30 20 10 40 50 60 70 voltage, v frequency 1.5 2.0 2.5 3.0 3.5 4.5 5.0 4.0 5.5 6.0 6.5 pick-up voltage drop-out voltage 0 30 20 10 40 50 60 operate and release time, ms frequency 3.0 3.5 4.5 5.0 4.0 5.5 6.0 7.0 7.5 8.0 6.5 operate time release time all rights reserved ?copyright matsushita electric works, ltd.
cf for cautions for use, see relay technical information. 6-(1). electrical life test (motor free) sample: CF2-12V, 3pcs. load: inrush current: 30a, steady current: 7a, power window motor actual load (free condition) switching frequency: (on:off = 1s:5s) ambient temperature: room temperature circuit change of pick-up and drop-out voltage change of contact resistance relay 1 relay 2 1s 3s 1s 6s (1 cycle) m resistive load power window motor (free) 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 01 01 5 52 0 pick-up voltage drop-out voltage 0 no. of operations, 10 4 contact resistance, m ? max. min. x 10 20 30 40 50 01 02 0 load current waveform inrush current: 27a, steady current: 8.4a brake current: 15a 200ms 10a 6-(2). electrical life test (motor lock) sample: CF2-12V, 3pcs. load: 20a 14v dc, power window motor actual load (lock condition) switching frequency: (on:off = 1s:5s) ambient temperature: room temperature circuit change of pick-up and drop-out voltage change of contact resistance relay 1 relay 2 1s 3s 1s 6s (1 cycle) m power window motor (lock) 0 no. of operations, 10 4 pick-up and drop-out voltage, v max. max. min. min. 2 1 4 6 8 9 7 5 3 10 05 pick-up voltage drop-out voltage x x 0 no. of operations, 10 4 contact resistance, m ? max. min. 10 20 30 40 50 05 2.5 x load current waveform 200ms 5a all rights reserved ?copyright matsushita electric works, ltd.
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