Panasonic CR2-12V Specifications

CR

SPECIFICATIONS

TWIN POWER SILENT

AUTOMOTIVE RELAY

CR RELAYS

18.5

.728

24.6

.969

17.0

.669

mm inch

RoHS Directive compatibility information

http://www.nais-e.com/

FEATURES

• Silent

Noise has been reduced by
approximately 20 dB, using our own
silencing design.

• Twin (1 Form C × 2)
Forward/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

Contact material Ag alloy (Cadmium free)

Initial contact resistance (Initial)
(By voltage drop 6 V DC 1A)

Typ. 6 mΩ (N.O.)
Typ. 9 mΩ (N.C.)

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°C68°F)

30 A for 2 minutes,

20 A for 1 hour

(12 V, at 85°C185°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. 2×105*

2

Min. 105*

3

Nominal operating power 640 mW

Max. operating speed
(at nominal switching capacity)

6 cpm

Initial insulation resistance*

4

Min. 100 MΩ (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°C68°F)

Max. 10 ms (initial)

Release time*6
(at nominal voltage)(at 20°C68°F)

Max. 10 ms (initial)

Shock resistance

Functional*

7

Min. 100 m/s2 {10G}

Destructive*

8

Min. 1,000 m/s2 {100G}

Vibration resistance

Functional*

9

10 Hz to 100 Hz,

Min. 44.1 m/s2 {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

–40°C to +85°C

–40°F to +185°F

Humidity 5% R.H. to 85% R.H.

Mass Approx. 12.5g.44 oz

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

*10Time of vibration for each direction;

X, Y, direction: 2 hours
Z direction: 4 hours

*

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

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 Reserved © COPYRIGHT Matsushita Electric Works, 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,

Ω

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: Tolerance
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 specified 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

Tr1 Tr2 Motor

OFF OFF Stop

ON OFF Forward

OFF ON Reverse

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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,
initial)

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)

020304010 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

–40 –20 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

–40 –20 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 Reserved © COPYRIGHT Matsushita Electric Works, Ltd.

CR

For Cautions for Use, see Relay Technical Information.

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

02010

Pick-up voltage

Drop-out voltage

Max.

Min.

X(N.C.)

0

No. of operations, × 10

4

Contact resistance, mΩ

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

0105

Pick-up voltage

Drop-out voltage

0

No. of operations, × 10

4

Contact resistance, mΩ

Max.

Min.

X

10

20

30

40

50

0105

Max.

Min.

X

N.O. side

N.C. side

Load current waveform

Brake current: 22A
Tested voltage: 14V DC

100ms

5A

All Rights Reserved © COPYRIGHT Matsushita Electric Works, Ltd.