NAIS JJM1a-12V, JJM1-12V Datasheet

°

°

°

5 ×

2 ×

5 ×

2 ×

HALF-SIZE
AUTOMOTIVE RELAY

JJM-RELAYS

FEATURES

• Perfect for automobile electrical sys­tems.

Over 2 × 10

5

openings possible with a 14
V DC motor load, an inrush current of 25
A, and steady state current of 5 A.
(N.O. side)

• Plastic sealed type.

Plastically sealed for automatic cleaning.

15.5

.610

12

.472

13.9

.547

mm inch

• Compact (half-size).

The base area is approximately half the
size of conventional (JSM) relays. The
controller unit can be made more com­pact.
Base area has been reduced by one half

16

.630

12

.472

22

.866

JSM

JJM

15.5

.610

SPECIFICATIONS

Contact

Arrangement 1 Form A 1 Form C
Contact material Silver alloy
Initial contact resistance, max.

(By voltage drop 6V DC 1A)

Rating
(resistive
load)

Nominal switching
capacity

Max. switching power 400 W
Max. switching voltage 16 V DC

20 A 14 V DC

35 A (12V, at 20 ° C 68 ° F for 2 minutes)

Max. carrying current

25 A (12V, at 20

30 A (12V, at 85

20 A (12V, at 85

Mechanical
(at 120cpm)

Expected
life (min.
operations)

Electrical
(at rated
load)

Resistive 10

Motor

2 × 10

load

Coil

Nominal operating power 640 mW

Remarks

* Specifications will vary with foreign standards certification ratings.

1

*

at 20 A 14 V DC, at 20 cpm

2

*

at 20 A 14 V DC

3

at 10 A 14 V DC, at 20 cpm

*

4

*

at 5 A (steady), 25 A (inrush) 14 V DC

5

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

*

6

*

at 5A (steady), 25 A (inrush) 14 V DC

7

at 20 A 14 V DC (Motor lock)

*

8

*

at peak 20 A 14 V DC (Braking current) operating frequency: 0.5 s ON, 9.5 s OFF

100 m Ω

C 68 ° F for 1 hour)

C 185 ° F for 2 minutes)

C 185 ° F for 1 hour)

10

5

1

*

5

4

*

4

5

10

*

20 A 14 V DC

(N.O.)

10 A 14 V DC

(N.C.)

7

5

10

(N.O.)*

5

10

(N.C.)*

5

10

(N.O.)*

4

10

(N.O.)*

5

10

(N.C.)*

Characteristics

Max. operating speed (at rated load) 20 cpm
Initial insulation resistance*

Initial breakdown

10

voltage*
Operate time*

11

(at nominal voltage)

Release time (without diode)*

9

Between open contacts 500 Vrms for 1min.
Between contact and coil 500 Vrms for 1min.

11

(at nominal voltage)
Shock resistance

Functional*
Destructive*

Functional*

12

13

14

Vibration resistance

Destructive

2
3

Conditions in case of opera­tion, transport and storage*
(Not freezing and condens-

6

ing at low temperature)

7

Unit weight Approx. 5 g .176 oz

8

9

*

Measurement at same location as "Initial break down voltage" section.

10

*

Detection current: 10mA

11

*

Excluding contact bounce time.

12

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

*

13

*

Half-wave pulse of sine wave: 6 ms

14

Detection time: 10 µ s

*

15

*

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

Ambient

15

temp.
Humidity 5 to 85% R.H.

Min. 100 m Ω

(at 500 V DC)

Max. 10 ms

(at 20 ° C 68 ° F)

Max. 10 ms

(at 20 ° C 68 ° F)

Min. 100 m/s

Min. 1,000 m/s

10 to 100 Hz,

Min. 44.1 m/s

10 to 100 Hz,

Min. 44.1 m/s

–40 to +85 ° C

–40 to +185 ° F

2

{10 G}

2

{100 G}

2

{4.5 G}

2

{4.5 G}

TYPICAL APPLICATIONS

Power windows, auto door lock,
electrically powered sun roof, electrically
powered mirror, cornerring lamp.

ORDERING INFORMATION

Ex. JJM 1a 12 V–

Contact arrangement Coil voltage(DC)

1a:1:1 Form A

1 Form C

(Note) Standard packing: Carton: 50 pcs.; Case: 1,000 pcs.

12 V

355

Ω ( ±

±

±

JJM

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

Contact

arrangement

Part No.

Nominal
voltage,

V DC

Pick-up voltage,

V DC (max.)

Drop-out voltage,

V DC (min.)

Coil resistance

10%)

1 Form A JJM1a-12 V 12 (Initial) 7.2 (Initial) 1.0 225 53.3 640 10 to 16
1 Form C JJM1-12 V 12 (Initial) 7.2 (Initial) 1.0 225 53.3 640 10 to 16

DIMENSIONS

15.5

.610

13.9

.547

0.4

.016

3.5

.138

2-0.3

.012

1.2

.047

10.0

.394

0.3

.012

Note : Marked terminal is only for 1Form C type

2.5

.098

10.2

.402

2-0.4

.016

.063

4-1.0

.039

1.6

±0.3

±.012

12

.472

Dimension:
Max. 1mm .039 inch:
1 to 3mm .039 to .118 inch: ± 0.2 ± .008
Min. 3mm .118 inch:

Schematic (Bottom view)

1a

COM

COIL

1c

COM

COIL

Nominal

operating current

mA ( ± 10%)

NO

NO

NC

General tolerance

0.1 ± .004

0.3 ± .012

Nominal

operating power

Usable

voltage range,

mW

PC board pattern (Bottom view)

3-1.4 dia.

3-.055 dia

1a

1.5 .059
dia.

10.2

2.5

.402

.098

4-1.4 dia.

4-.055 dia

1c

1.5 .059
dia.

10.2

2.5

.402

.098

Tolerance: ± 0.1 ± .004

V DC

mm inch

10.0

.394

10.0

.394

REFERENCE DATA

1. Coil temperature rise

Tested sample: JJM1-12V, 6pcs
Point measured: Inside the coil
Contact current: Now current through
contact, 5A, 10A, 15A, 20A
Resistance method, ambient temperature 85 ° C 185 ° F

120

100

80

60

Temperature rise, °C

40

20

0

12 14 16

Coil applied voltage, V

2-(2). Electrical life test (Motor free)

Tested Sample: JJM1-12V, 2pcs.
Load: 5A, Inrush 25A, Brake current 18A, Power
window motor load
(Free condition).
Operating frequency: ON 0.5s, OFF 9.5s

Circuit :

20A

15A
10A

5A
Non current
through
contact

Tested sample

2-(1). Electrical life test (at rated load)

Tested Sample: JJM1-12V
Quantity: n = 6 (NC = 3, NO = 3)
Load: Resisitive load
(NC side: 2A 14 V DC, NO side: 5 A 14 V DC)
Operating frequency: ON 1.5s, OFF 1.5s

10

Pick-up voltage

5

Pick-up and drop-out voltage, V

0

01020

10

5

Drop-out voltage

No. of operations, × 10

Pick-up voltage

Max.

_
Min.

Max.
Min.

4

Max.

_
x
Min.

Contact welding: 0 time
Miscontact: 0 time

x

_
x

Contact welding: 0 time
Miscontact: 0 time

356

Pick-up and drop-out voltage, V

M

0

01020

Drop-out voltage

No. of operations, × 10

Max.

_
x
Min.

4