Panasonic CR Relays User Manual

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Page 1

TWIN POWER SILENT

AUTOMOTIVE RELAY

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

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

At 20A 14 V DC (Motor lock), operating frequency: 0.5s ON, 9.5s OFF

Measurement at same location as “Initial breakdown voltage” section

Detection current: 10mA

Excluding contact bounce time

Half-wave pulse of sine wave: 11ms; detection: 10µs

Half-wave pulse of sine wave: 6ms

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 A 12 V DC

Min. 2×105*

Min. 105*

5*1

board layout

Common

Coil

Normally Open

Normally Closed

Characteristics

Max. operating speed (at nominal switching capacity)

Initial insulation resistance*

Min. 100 MΩ (at 500 V DC)

Between open

Initial breakdown

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*

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

Vibration resistance

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;

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

Z direction: 4 hours

6 cpm

500 Vrms for 1 min.

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

{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.

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

Page 2

TYPES AND COIL DATA (at 20°C 68°F)

Nominal

operating

current,

Nominal

operating power,

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

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

+.004

7-.059 dia

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

COM COM

Tr1 Tr2

12 VDC

Power window motor

Tr1 Tr2 Motor

OFF OFF Stop

ON OFF Forward

OFF ON Reverse

Page 3

REFERENCE DATA

1-(1). Coil temperature rise (at room temperature)

Sample: CR2-12V, 5pcs Contact carrying current: 10A, 15A, 20A Ambient temperature: Room temperature

200

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

200

2. Max. switching capability (Resistive load, initial)

(N.O. side Room temperature)

160

120

Temperature rise, °C

12 14 16

Coil applied voltage, V

3. Ambient temperature and operating temperature range

Coil applied voltage, VDC

–40 –20 20 40 60 1000 120

Pick-up voltage (Cold start)

Ambient temperature, °C

8085

20A

15A

10A

160

120

Temperature rise, °C

12 14 16

15A

10A

Coil applied voltage, V

Switching voltage, VDC

020304010 50

Switching current, A

4. Ambient temperature characteristics 5. Distribution of pick-up and drop-out voltage

Sample: CR2-12V, 100pcs

Pick-up voltage upper limit

Ratio against the rated voltage, %V

Pick-up voltage lower limit

–40 –20 20 40 60 1000

Ambient temperature, °C

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

Voltage, V

6. Distribution of operate time

Sample: CR2-12V, 100pcs

100

Quantity, n

3.02.01.5 2.5 3.5 4.5 5.04.0 5.5 6.0 6.5

Time, ms

8-(1). Operation noise distribution

When operated

Frequency

7. Distribution of release time

Sample: CR2-12V, 100pcs * With diode

100

Quantity, n

3.02.01.5 2.5 3.5 4.5 5.04.0 5.5 6.0 6.5

Time, ms

8-(2). Operation noise distribution

When released

Frequency

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

Microphone

Relay

50mm

1.969inch

Sponge

40 42 44 46 48 50 52 5654

Noise level, dB

36 38 40 42 4644 48 50 52

Noise level, dB

Page 4

Max.

Min.

X(N.C.)

No. of operations, × 10

Contact resistance, mΩ

Max.

Min.

X(N.O.)

010

N.O. side

N.C. side

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

14VDC

Load current waveform

Inrush current: 25A, Steady current: 6A, Brake current: 15A Tested voltage: 14V DC

10A

100ms

Change of pick-up and drop-out voltage Change of contact resistance

Pick-up and drop-out voltage, V

02010

Pick-up voltage

Drop-out voltage

No. of operations, × 10

Max. X Min.

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

14VDC

Load current waveform

Brake current: 22A Tested voltage: 14V DC

100ms

Motor

Change of pick-up and drop-out voltage Change of contact resistance

Pick-up and drop-out voltage, V

0105

Pick-up voltage

Drop-out voltage

No. of operations, × 10

Max. X Min.

Max.

X Min.

Contact resistance, mΩ

0105

No. of operations, × 10

N.C. side N.O. side

Max. X Max.

Min. X Min.

For Cautions for Use, see Relay Technical Information.

Panasonic CR Relays User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual