NAIS CM1F-P-24V, CM1F-P-12V, CM1F-24V, CM1F-12V, CM1aF-P-24V Datasheet

CM

376

CM-RELAYS

AUTOMOTIVE MICRO-ISO
RELA Y

mm inch

15

.591

22

.866

20

.787

FEATURES

• Small size: 20 mm(L) × 15 mm(W) × 22 mm(H)

.787 inch(L) × .591 inch(L) × .866 inch(H)

• Wide line-up

PC board and Plug-in type, Resistor and diode inside type

• 35 Amp contact Rating, 100,000 Operations (12V type)

• Micro-ISO type terminals

SPECIFICATIONS

Contact

Coil

Characteristics

Type 12 V coil voltage 24 V coil voltage
Arrngement 1 Form A, 1 Form C
Contact material Silver alloy
Initial contact resistance,

max.

15m Ω

Contact voltage drop, max.

N.O.: 0.5 V

(at 35 A 14 V DC)

N.C.: 0.3 V

(at 20 A 14 V DC)

N.O.: 0.3 V

(at 15 A 28 V DC)

N.C.: 0.2 V

(at 8 A 28 V DC)

Rating
(resistive
load)

Nominal
switching
capacity

N.O.: 35 A 14 V DC
N.C.: 20 A 14 V DC

N.O.: 15 A 28 V DC

N.C.: 8 A 28 V DC

Max. switching
current

N.O.: 20 A

(14 V DC,

at 85 ° C 185 ° F)

N.C.: 10 A

(14 V DC,

at 85 ° C 185 ° F)

N.O.: 15 A

(28 V DC,

at 85 ° C 185 ° F)

N.C.: 8 A

(14 V DC,

at 85 ° C 185 ° F)

Expected
life

Mechanical
(at 120 cpm)

Min. 10

6

Electrical
(at rated load)

Flux-resistant type: Min. 10

5

*

1

Sealed type: Min. 5 × 10

4

Nominal operating power

1.5 W

1.7 W

(Internal resistor

type)

1.8 W

2.0 W

(Internal resistor

type)

Type 24V coil type 12V coil type
Max. operating speed

(at nominal switching capacity)

15 cpm

Initial insulation resistance*

2

Min. 20 M Ω (at 500 V DC)

Initial breakdown
voltage*

3

Between open
contacts

500 Vrms for 1 min.

Between contacts
and coil

500 Vrms for 1 min.

Operate time*

4

(at nominal voltage) (at 20 ° C 85 ° F)

Max. 10 ms

Release time*

4

(at nominal voltage) (at 20 ° C 85 ° F)

Max. 10 ms

Max. 15 ms (with diode)

Shock resistance

Functional*

5

Min. 200 m/s

2

{20G}

Destructive*

6

Min. 1,000m/s

2

{100G}

Vibration
resistance

Functional*

7

10 to 500 Hz,

Min. 44.1 m/s

2

{4.5 G}

Destructive*

8

10 to 2,000 Hz,

Min. 44.1 m/s

2

{4.5 G}

Conditions for
operation, trans­port and storage*

9

(Not freezing and
condensing at low
temperature)

Ambient temp.

–40 ° C to + 85 ° C

–40 ° F to + 185 ° F

Humidity 25 to 85% R.H.

Unit weight Approx. 20g .71oz

Remarks

* Specifications will vary with foreigh standards certification ratings.
*

1

At nominal switching capacity, operating frequency: 2s ON, 2s OFF

*

2

Measurement at same location as "Initial breakdown voltage" section.

*

3

Detection current: 10mA

*

4

Excluding contact bounce time.

*

5

Half-wave pulse of sine wave: 11 ms; detection time: 10 µ s

*

6

Half-wave pulse of sine wave: 6 ms

*

7

Detection time: 10 µ s

*

8

Time of vibration for each direction; X, Y, Z direction: 4 hours

*

9

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

X

Y

Z

TYPICAL APPLICATIONS

Automotive system

Fan motor, Heater, Tail lump, Air Compressor

CM

377

ORDERING INFORMATION

CM

Contact arrangement

1a: 1 Form A
1: 1 Form C

Nil: Sealed type
F: Flux-resistant type

Nil: Standard type
D: with diode inside
R: with resistor iside

Nil: Quick connect type
P: PC board type

12 V
24 V

Protective construction Classification of types Mounting classification Coil voltage (DC)

1 F R P 12V

Note: Bulk package: 50 pcs.; Case: 200 pcs.

TYPES

Packing quantity: Inner 50pcs, Outer 200pcs.

COIL DATA (at 20 ° C 68 ° F)

Contact arrangement Part No. Coil voltage Mounting classification Protective construction

1 Form A

CM1a-12V

12 V DC

Quick connect type

Sealed type
CM1aF-12V Flux-resistant type
CM1a-P-12V

PC board type

Sealed type
CM1aF-P-12V Flux-resistant type

1 Form C

CM1-12V

Quick connect type

Sealed type
CM1F-12V Flux-resistant type
CM1-P-12V

PC board type

Sealed type
CM1F-P-12V Flux-resistant type

Contact arrangement Part No. Coil voltage Mounting classification Protective construction

1 Form A

CM1a-24V

24 V DC

Quick connect type

Sealed type
CM1aF-24V Flux-resistant type
CM1a-P-24V

PC board type

Sealed type
CM1aF-P-24V Flux-resistant type

1 Form C

CM1-24V

Quick connect type

Sealed type
CM1F-24V Flux-resistant type
CM1-P-24V

PC board type

Sealed type
CM1F-P-24V Flux-resistant type

Nominal voltage,

V DC

Pick-up voltage,

V DC (max.)

Drop-out voltege,

V DC (min.)

Nominal current,

mA ( ± 10%)

Coil resistance,

ohm ( ± 10%)

Nominal operating

power, W

Usable voltage

range, V DC
12 3 to 7 1.2 to 4.2 125 96 1.5 10 to 16
24 6 to 14 2.4 to 8.4 75 320 1.8 20 to 32

DIMENSIONS

Quick connect type

3.25

.128

4.8

.189

0.8

.031

0.8

.031

4.25

.167

6.3

.248

20.0

.787

3-1.5 dia.

3-.059 dia.

2-1.75 dia.

2-.069 dia.

Sealed by epoxy resin

15.0

.591

22.0

.866

11.0

.433

87a

86

85

87

30

9.0

.354

8.0

.315

14.0

.551

2.1

.083

Schematic (Bottom view)

85

87a*

86

87

*Not used on 1 Form A type

Relay coil

Resistor if used.

30

PC board type

4.8

.189

0.8

.031

0.8

.031

2.1

.083

Soldering depth

Max.

1.2

.047

3.5

.138

2.5

.098

1.0

.039

20.0

.787

Sealed by epoxy resin

23.0

.906

87a

86

85

87

30

9.0

.354

8.0

.315

15.0

.591

2.1

.083

6.3

.248

15.0

.591

A*

Schematic (Bottom view)

85

87a*

86

87

*Not used on 1 Form A type

Relay coil

Resistor if used.

30

PC board pattern (Bottom view)

15

±0.05

.591

±.002

9

±0.05

.354

±.002

4.5

±0.05

.177

±.002

8

±0.05

.315

±.002

1.4

+0.1

0

.055

+.004

0

2.4

+0.1

0

.094

+.004

0

1.4

+0.1

0

.055

+.004

0

1.4

+0.1

.055

+.004

.055

+.004

0

1.4

+0.1

0

.106

+.004

0

2.7

+0.1

0

Dimension:

General 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.

mm inch