CF
NEW DUAL POWER
AUTOMOTIVE RELAY
22.5
.886
CF-RELAYS
FEATURES
16.5
.650
Normally Normally
Open
Closed
• 7 Amp Steady/30 Amp Inrush current
capability
• Simple footprint enables ease of PC
board layout
16.5
.650
Coil 1
Common
Open
Space
Coil 2
mm inch
SPECIFICATIONS
Contact
Arrangement
Contact material
Characteristics
1 Form C×2 (H bridge)
Silver alloy
Initial contact resistance, max.
(By voltage drop 6 V DC 1 A)
Contact voltage drop, max.
Nominal switching
capacity
Max. switching power
Max. switching voltage
Rating
Max. make current
50 mΩ
0.2 V (at 20 A switching)
N.O.: 20A 14 V DC
N.C.: 10A 14 V DC
140 W
16 V DC
10 A (Continuous),
30 A (within 1 min.; coil applied
voltage: 12 V, at 20°C)
30 A (2 minutes ), 20A (1 hour)
Max. carrying current
(coil applied voltage: 12 V, at 20°C)
Mechanical (at 180 cpm)
106
resistive load
Min.105
Expect
7 A 14 V DC,
ed life
Inrush 30 A
2×105
(min.
Electrical
(Motor
load)
ope.)
20 A 14 V DC
Min.5×104
(Motor lock)
Coil
Nominal operating power
640 mW
Max. operating speed
(at rated load)
Initial insulation resistance*1
Initial breakdown
voltage*2
6 cpm
Min. 100 mΩ (at 500 V DC)
Between open
contacts
Between
contacts and coil
1,000 Vrms for 1 min.
1,000 Vrms for 1 min.
Operate time*
(at nominal voltage)
Release time (without diode)*3
(at nominal voltage)
Functional*4
Shock resistance
Destructive*5
3
Vibration
resistance
Conditions for
operation, transport and storage*7
(Not freezing and
condensing at low
temperature)
Unit weight
Max. 10 ms
Max. 10 ms
Min. 100 m/s2 {10 G}
Min. 1,000 m/s2 {100 G}
Approx. 44.1 m/s2 {4.5 G},
10 to 100 Hz
Approx. 44.1 m/s2 {4.5 G},
10 to 500 Hz
–40°C to + 85°C
–40°F to +185°F
Functional*6
Destructive
Ambient temp.
Humidity
5 to 85%R.H.
Standard type
Approx. 15 g .529 oz
Remarks
* Specifications will vary with foreigh standards certification ratings.
*1 Measurement at same location as "Intial breakdown voltage" section
*2 Detection current: 10mA
*3 Excluding contact bounce time
*4 Half-wave pulse of sine wave: 11ms; detection time: 10µs
*5 Half-wave pulse of sine wave: 6ms
*6 Detection time: 10µs
*7 Refer to 5. Conditions for operation, transport and storage mentioned in
AMBIENT ENVIRONMENT (Page 61)
TYPICAL APPLICATIONS
ORDERING INFORMATION
• Automotive: Power-window, power sunroof, etc.
Ex. CF
2
–
12 V
Contact arrangement
Coil voltage(DC)
1 Form C × 2
12 V
Standard packing: Carton: 35pcs.; Case: 700pcs.
367
CF
TYPES AND COIL DATA (at 20°C 68°F)
Part No.
Nominal voltage,
V DC
Pick-up voltage,
V DC (max.)
Drop-out
voltage,
V DC (min.)
Coil resistance,
Ω (±10%)
CF2-12V
12
7.2
1.0
225
Nominal
operating
current,
mA (±10%)
53.3
Nominal
operating Power,
mW
Usable voltage
range,
VDC
640
10 to 16
DIMENSIONS
mm inch
Recommended PC board pattern
(6-4 dia.)
(6-.157 dia.) Land diameter
16.5
.650
3.5
.138
0.3
.012
0.4
.016
1.1
.043
0.4
.016
8-1.5 dia.±0.1
8-.059 dia.±.004
3.81±0.1
.150±.004
7.62±0.1 10.16±0.1
.300±.004 .400±.004
5.08
.200
2.54
.100
5.08
.200
12.7
.500
16.5
.650
(0.8)
(.031)
6.35±0.1
.250±.004
1.1
.043
1
.039
1.1
.043
5.08±0.1
.200±.004
2.54±0.1
.100±.004
(3)
5.08±0.1
(.118) .200±.004
12.7±0.1
.500±.004
0.3
.012
0.3
.012
1.1
.043
(R1.5)
1.27±0.1
.050±.004
1.2 max.
.047 max.
Schematic
3.81
.150
7.62
10.16
.300
.400
22.5
.886
N.O.
COM1
N.C.
COM2
Dimension:
Max. 1mm .039 inch:
1 to 3mm .039 to .118 inch:
Min. 3mm .118 inch:
General tolerance
±0.1 ±.004
±0.2 ±.008
±0.3 ±.012
EXAMPLE OF CIRCUITS
Forward/reverse control circuits of DC motor for power window
N.O.
COM
12 V DC
N.C.
SW A
M
N.O.
COM
N.C.
SW B
M : Power window motor
368
SW A
OFF
ON
OFF
SW B
OFF
OFF
ON
Motor
Stop
Forward
Reverse
CF
REFERENCE DATA
1-(1). Coil temperature rise (at 23°C 73°F)
1-(2). Coil temperature rise (at 85°C 185°F)
2-(1). Electrical life test (Motor lock)
Tested sample: CF2-12V, 6pcs.
Contact carrying current: 0A, 7A, 10A, 15A, 20A
Tested sample: CF2-12V, 6pcs.
Contact carrying current: 10A, 15A, 20A
Tested sample: CF2-12V, 3pcs.
Load: 20A 14V DC
Operating frequency: ON 1s, OFF 5s
10
100
100
Pick-up and drop-out voltage, V
20 A
80
15 A
10 A
7A
0A
70
60
50
40
80
Temperature rise, °C
Temperature rise, °C
90
20A
15A
60
10A
40
30
20
Contact welding: 0 times
Miscontact: 0 times
8
Pick-up voltage
Max.
X
Min.
6
4
Drop-out voltage
Max.
X
Min.
2
20
10
0
12
14
16
0
Coil applied voltage, V
12
14
0
16
0
5
No. of operations, ×104
Coil applied voltage, V
2-(2). Electrical life test (Motor free)
Tested sample: CF2-12V, 3pcs.
Load: 7A steady, Inrush 30A, 14V DC
Operating frequency: ON 1s, OFF 5s
Sample
M
Pick-up and drop-out voltage, V
10
Contact welding: 0 times
Miscontact: 0 times
8
Pick-up voltage
Max.
X
Min.
6
4
Drop-out voltage
Max.
X
Min.
2
0
0
10
20
No. of operations, ×104
For Cautions for use, see Relay Technical Information (Page 48 to 76).
9/1/2000
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Ltd.
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