TWIN POWER SILENT
AUTOMOTIVE RELAY
CR
CR RELAYS
24.6
.969
17.0
.669
18.5
.728
FEATURES
• Silent
Noise has been reduced by
approximately 20 dB, using our own
silencing design.
• Twin (1 Form C × 2)
mm inch
Forward/reverse motor control is possible
with a single relay.
• Sealed construction
RoHS Directive compatibility information
• Simple footprint enable ease of PC
http://www.nais-e.com/
SPECIFICATIONS
Contact
Arrangement 1 Form C × 2
Contact material Ag alloy (Cadmium free)
Initial contact resistance (Initial)
(By voltage drop 6 V DC 1A)
Contact voltage drop Max. 0.2V (at 10 A)
Nominal switching
capacity
Rating
Max. carrying current
Min. switching capacity
Mechanical (at 120 cpm) Min. 10
Expected life
(min. operations)
Electrical
Resistive load Min. 10
Motor load
Coil
Nominal operating power 640 mW
#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.
Remarks
*1At 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 “Initial breakdown voltage” section
*
5
Detection current: 10mA
*
6
Excluding contact bounce time
*
7
Half-wave pulse of sine wave: 11ms; detection: 10µs
*
8
Half-wave pulse of sine wave: 6ms
*
9
Detection time: 10µs
*
Typ. 6 mΩ (N.O.)
Typ. 9 mΩ (N.C.)
N.O.: 20 A 14 V DC
N.C.: 10 A 14 V DC
35 A for 2 minutes,
25 A for 1 hour
(12 V, at 20°C68°F)
30 A for 2 minutes,
20 A for 1 hour
(12 V, at 85°C185°F)
#1
1 A 12 V DC
Min. 2×105*
Min. 105*
7
5*1
2
3
board layout
Common
Coil
Normally
Open
Normally
Closed
Characteristics
Max. operating speed
(at nominal switching capacity)
Initial insulation resistance*
4
Min. 100 MΩ (at 500 V DC)
Between open
Initial breakdown
5
voltage*
contacts
Between contacts
and coil
Operate time*6
(at nominal voltage)(at 20°C68°F)
Release time*6
(at nominal voltage)(at 20°C68°F)
Shock resistance
Functional*
Destructive*
Functional*
7
8
9
Min. 1,000 m/s2 {100G}
Vibration resistance
10
Conditions for
operation, transport
and storage*11
Destructive*
Ambient
temperature
(Not freezing and
condensing at low
Humidity 5% R.H. to 85% R.H.
temperature)
Mass Approx. 12.5g.44 oz
*10Time of vibration for each direction;
X
11
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).
X, Y, direction: 2 hours
Y
Z direction: 4 hours
Z
6 cpm
500 Vrms for 1 min.
500 Vrms for 1 min.
Max. 10 ms (initial)
Max. 10 ms (initial)
Min. 100 m/s2 {10G}
10 Hz to 100 Hz,
Min. 44.1 m/s2 {4.5G}
10 Hz to 500 Hz,
Min. 44.1 m/s
2
{4.5G}
–40°C to +85°C
–40°F to +185°F
Coil
TYPICAL APPLICATIONS
• Power windows
• Auto door lock
• Electrically powered sunroof
• Electrically powered mirror, etc.
All Rights Reserved © COPYRIGHT Matsushita Electric Works, Ltd.
ORDERING INFORMATION
Ex. CR 2 12 V–
Contact arrangement Coil voltage(DC)
1 Form C × 2
Standard packing: Carton(tube package) 32pcs. Case: 800pcs.
12 V
CR
TYPES AND COIL DATA (at 20°C 68°F)
Nominal
operating
current,
mA
Nominal
operating power,
mW
Usable voltage
Part No.
Nominal voltage,
V DC
Pick-up voltage,
V DC
(Initial)*
Drop-out voltage,
V DC
(Initial)
Coil resistance,
Ω
CR2-12V 12 Max. 7.2 Min. 1.0 225±10% 53.3±10% 640 10 to 16
* Other pick-up voltage types are also available. Please contact us for details.
range,
V DC
DIMENSIONS
24.6
.969
18.5
.728
0.6
.024
3.5
.138
A*
Dimension: Tolerance
4.5
.177
3.5
.138
7-0.25
.010
4.5
.177
8.0
.315
Max. 1mm .039 inch: ±0.1 ±.004
4.5
.177
* Dimensions (thickness and width) of terminal specified in this catalog is measured before pre-soldering.
Intervals between terminals is measured at A surface level.
22.4
.882
1 to 3mm .039 to .118 inch: ±0.2 ±.008
Min. 3mm .118 inch: ±0.3 ±.012
17.0
.669
Pre-soldering
EXAMPLE OF CIRCUIT
Forward/reverse control circuits of DC motor for power window
Max.
1.0
.039
7-1.2
.047
mm inch
PC board pattern (Bottom view)
+0.1
7-1.5 dia
0
+.004
7-.059 dia
0
4.5
.177
3.5
.138
4.5
.177
22.4
.882
Tolerance: ±0.1 ±.004
Schematic (Bottom view)
COM1 COM2
COIL
NCNO
8.0
.315
4.5
.177
M
COM COM
Tr1 Tr2
NO
12 VDC
NC
M
Power window motor
Tr1 Tr2 Motor
OFF OFF Stop
ON OFF Forward
OFF ON Reverse
All Rights Reserved © COPYRIGHT Matsushita Electric Works, Ltd.