NAIS CR2-12V Datasheet

CR

373

CR-RELAYS

DUAL POWER
QUIET AUT OMOTIVE
RELAY

mm inch

18.5

.728

24.6

.969

17.0

.669

FEATURES

• Quiet

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

• Twin (1 Form C × 2)

Forward/re verse motor control is possib le
with a single relay.

• Sealed construction

• Simple footprint enable ease of PC
board layout

Normally
Open

Common

Normally
Closed

Coil

Coil

SPECIFICATIONS

Contact

Coil

Characteristics

Arrangement 1 Form C × 2 (H bridge)
Contact material Silver alloy
Initial contact resistance, max.

(By voltage drop 6 V DC 1A)

100 m Ω

Contact voltage drop, max. 0.2V (at 10 A switching)

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)

Expected life
(min. operations)

Mechanical (at 120 cpm) Min. 10

7

Electrical

Resistive load Min. 10

5

*

1

Motor load

Min. 2 × 10

5

*

2

Min. 10

5

*

3

Nominal operating power 640 mW

Max. operating speed
(at nominal switching capacity)

6 cpm

Initial insulation resistance*

4

Min. 100 M Ω (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 (without diode)*

6

(at nominal voltage)(at 20 ° C68 ° F)

Max. 10 ms (initial)

Shock resistance

Functional*

7

Min. 100 m/s

2

{10G}

Destructive*

8

Min. 1,000 m/s

2

{100G}

Vibration resistance

Functional*

9

10 to 100 Hz,

Min. 44.1 m/s

2

{4.5G}

Destructive*

10

10 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 to +85 ° C

–40 to +185 ° F

Humidity 5 to 85% R.H.

Unit weight Approx. 12.5g.44 oz

Remarks

* Specifications will vary with foreigh standards certification ratings.
*

1

At 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: 10 µ s

*

8

Half-wave pulse of sine wave: 6ms

*

9

Detection time: 10 µ s

*

10

Time of vibration for each direction;

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

*

11

Refer to 5. Conditions for operation, transport and storage mentioned in
AMBIENT ENVIRONMENT (Page 61)

X

Y

Z

TYPICAL APPLICATIONS

• Power windows

• Auto door lock

• Power sunroof

• Electrically powered mirror

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–

CR

374

TYPES AND COIL DATA (at 20 ° C 68 ° F)

DIMENSIONS

Part No.

Nominal voltage,

V DC

Pick-up voltage,

V DC (max.)

Drop-out voltage,

V DC (min.)

Coil resistance,

Ω ( ±

10%)

Nominal

operating

current,

mA ( ± 10%)

Nominal

operating power ,

mW

Usable voltage

range,

V DC

CR2-12V 12 (Initial) 7.2 (Initial) 1.0 225 53.3 640 10 to 16

mm inch

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*

Sealed by epoxy resin

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

EXAMPLE OF CIRCUIT

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

REFERENCE DATA

1-(1). Coil temperature rise (at 20 ° C 68 ° F)

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

1-(2). Coil temperature rise (at 85 ° C 185 ° F)

Sample: CR2-12V, 5pcs
Contact carrying current: 10A, 15A

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