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Panasonic JJM1A12 12 Vdc Automotive Relay 640 mW JJM1A12 Data Sheet

Product codes
JJM1A12
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JJ-M
2
ds_61210_0001_en_jjm: 061006J
ORDERING INFORMATION
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
REFERENCE DATA
Contact 
arrangement
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
1 Form A
JJM1a-12 V
12
Max. 7.2
Min. 1.0
225
±10%
53.3
±10%
640
10 to 16
1 Form C
JJM1-12 V
12
Max. 7.2
Min. 1.0
225
±10%
53.3
±10%
640
10 to 16
Contact arrangement
Coil voltage(DC)
1a:
1:
1 Form A
1 Form C
12 V
Ex. JJM
1a
12 V
(Note) Standard packing:  Carton: 50 pcs.; Case: 1,000 pcs.
2.5
.098
13.9
.547
2-0.3
2-.012
2-0.4
2-.016
10.2
.402
0.3
.012
1.2
.047
10.0
.394
4-1.0
4-.039
N
1.6
–0.3
.063
–.012
0.4
.016
AN
3.5
.138
15.5
.610
12
.472
Note: NMarked terminal is only for 1Form C type
* Dimensions (thickness and width) of terminal specified in this catalog 
is measured before pre-soldering.
Intervals between terminals is measured at A surface level.
Schematic (Bottom view)
1a
1c
PC board pattern (Bottom view)
1a
1c
Tolerance: 
±0.1 
±.004
COM
COIL
NO
COM
COIL
NO
NC
1.5 dia.
.059 dia.
3-1.4 dia.
3-.055 dia.
10.0
.394
2.5
.098
10.2
.402
1.5 dia.
.059 dia.
4-1.4 dia.
4-.055 dia.
10.0
.394
2.5
.098
10.2
.402
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
1. Coil temperature rise
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
2. Max. switching capability (Resistive load)
3. Ambient temperature and operating voltage 
range
0
20
40
60
80
100
120
12
14
16
Temperature rise, 
°C
Coil applied voltage, V
20A
15A
10A
5A
Non current 
through 
contact
0
10
50
40
30
20
60
0
20
30
40
10
50
(N.O. side: room temperature)
Switching current, A
Switching voltage, VDC
0
5
10
15
35
30
25
20
40
-40 -20
20
40
60
100
0
120
8085
Coil applied voltage, VDC
Ambient temperature, 
°C
Pick-up voltage 
(cold start)