JSM
Global standard terminal
pitch automotive power relay
22
.866
16
.630
16.4
.646
JS-M RELAYS
FEATURES
TYPICAL APPLICATIONS
• Low pick-up voltage for high ambient
use
• Sealed construction
• Global standard terminal pitch
• Usable at high temperature:
85C 185F
• Power-window
• Car antenna
• Door lock
• Intermittent wiper
• Interior lighting
• Power seat
• Power sunroof
• Car stereo
• Horn
• Lift gate, etc.
mm inch
SPECIFICATIONS
Contact
Characteristics
High capacity
type
1 Form A, 1 Form C
Ag alloy (Cadmium free)
Standard type
Arrangement
Contact material
Initial contact resistance
(By voltage drop 6 V DC 1 A)
Contact voltage drop
Nominal switching
capacity
Max. carrying current
Rating
Max. switching power
Max. switching voltage
Max. switching current
Min. switching capacity#1
Mechanical life
Expected (at 180 cpm)
life (min.
Electrical
ope.)
Resistive
(at 15 cpm)
*Max. 100 m
*Max. 100 m
Max. 0.2 V DC (at 10 A 12 V DC)
10 A 16 V DC
15 A 16 V DC
(resistive)
(resistive)
25 A (at 20C 68F for 2 minutes)
15 A (at 20C 68F for 1 hour)
20 A (at 85C 185F for 2 minutes)
10 A (at 85C 185F for 1 hour)
160 W
16 V DC
15 A
10 A
(10 A max.
at 85C)
1 A 12 V DC
10
7
640 mW
Contact rating
Max. carry current
Max. make current
Max. break current
Standard type
Form C
Form A
N.O.
N.C.
15 A
15 A 15 A
25 A
25 A 10 A
10 A
10 A 10 A
Functional*4
Destructive*5
Shock resistance
Functional*6
Vibration resistance
1,500 Vrms for 1 min.
Max. 10 ms
Max. 10 ms
Min. 98 m/s2 {10 G}
Min. 980 m/s2 {100 G}
10 Hz to 55 Hz
at double amplitude of 1.6 mm
Destructive
Conditions for operation,
transport and storage*7
(Not freezing and
condensing at low
temperature)
10 Hz to 55 Hz
at double amplitude of 2 mm
Ambient
temp.
–40C to +85C
–40F to +185F
Humidity
5% R.H. to 85% R.H.
Approx. 12 g .423 oz
Remarks
Coil
Load
Min. 100 M (at 500 V DC)
750 Vrms for 1 min.
Initial insulation resistance*
Between open contacts
Initial
breakdown Between contacts and
voltage*2
coil
Operate time*3 (at nominal voltage)
Release time (without diode)*3
(at nominal voltage)
#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.
* Measured after operating 5 times at the rated load
Nominal operating power
15 cps.
1
Mass
N.O.: 105
N.C.: 5104
105
Max. operating speed
(at rated load)
High capacity type
Form C
Form A
N.O.
N.C.
15 A
15 A 15 A
50 A
50 A 15 A
15 A
15 A 15 A
*1 Measurement at same location as “Initial breakdown voltage” section
*2 Detection current: 10mA
*3 Excluding contact bounce time
*4 Half-wave pulse of sine wave: 11ms; detection time: 10s
*5 Half-wave pulse of sine wave: 6ms
*6 Detection time: 10s
*7 Refer to “6. Usage, Storage and Transport Conditions“ in AMBIENT
ENVIRONMENT section in Relay Technical Information.
ORDERING INFORMATION
Ex. JSM
12V
Contact arrangement
Protective construction
Coil voltage (DC)
Contact material
1a: 1 Form A
1: 1 Form C
Nil: Sealed construction
F: Flux-resistant type
12 V
4: Standard type (10 A)
5: High capacity type (15 A)
Note: Standard packing: Carton: 100 pcs. Case: 500 pcs.
ds_61211_en_jsm: 151212D
1
JS-M
Not for new applications
TYPES AND COIL DATA (at 20C 68F)
Standard type (10 A)
Contact
arrangement
Coil
voltage,
V DC
1 Form A
1 Form C
12
12
Sealed type
Flux-resistant
type
Nominal
voltage,
V DC
Pick-up
voltage,
V DC
Nominal
Drop-out
Coil
operating
voltage, resistance
current,
V DC

mA
JSM1aF-12V-4 JSM1a-12V-5
JSM1F-12V-4 JSM1-12V-5
JSM1aF-12V-5
JSM1F-12V-5
12
12
Max. 6.3
Max. 6.3
Min. 0.9
Min. 0.9
Flux-resistant
type
Sealed type
JSM1a-12V-4
JSM1-12V-4
High capacity type (15 A)
Nominal
operating
power,
mW
22510% 53.310%
22510% 53.310%
640
640
Max.
allowable
voltage,
V DC
(at 80C
176F )
10 to 16
10 to 16
* Other pick-up voltage types are also available. Please contact us for details.
DIMENSIONS (mm inch)
CAD Data
Data from our Web site.
Download CAD
CAD Data
Schematic (Bottom view)
1a
N.O.
16
.630
0.4
.016
COIL
COM
3.9
.154
A*
1c
0.24
.009
0.8
.031
N.O.
0.8
.031
COIL
COM
0.4
.016
1.2
.047
2
N.C.
3 N.O.
PC board pattern (Bottom view)
1a
12 16
.472 .630
1
5
4 N.C.
4-1.3 dia.
4-.051 dia.
0.4
.016
2.3
.091
2
.079
12.2
.480
22
.866
12
.472
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
2
.079
12.2
.480
1c
5-1.3 dia.
5-.051 dia.
* Dimensions (thickness and width) of terminal specified in this catalog is measured before pre-soldering.
Intervals between terminals is measured at A surface level.
12
.472
2
.079
12.2
.480
Tolerance: 0.1 .004
REFERENCE DATA
1-(2). Coil temperature rise (15A)
Measured portion: Inside the coil
Contact carrying current, 10A
Ambient temperature: Room temperature, 85C
185F
Measured portion: Inside the coil
Contact carrying current, 15A
Ambient temperature: Room temperature, 85C
185F
120
100
100
80
85°C
60
20
20
12
14
16
Coil applied voltage, V
Room
temperature
85°C
60
40
0
(N.O. side: room temperature)
60
80
40
0
2
Room
temperature
2. Max. switching capability (Resistive load,
initial)
Switching voltage, VDC
120
Temperature rise, °C
Temperature rise, °C
1-(1). Coil temperature rise (10A)
50
40
30
20
10
12
14
16
Coil applied voltage, V
0
0
10
20
30
40
Switching current, A
50
ds_61211_en_jsm: 151212D
JS-M
Not for new applications
4. Distribution of pick-up and drop-out voltage
5. Distribution of operate and release time
Sample: JSM1-12V-5, 50pcs.
Sample: JSM1-12V-5, 50pcs.
Coil both side without diode
40
70
35
60
30
50
50
Operate time
Release time
Pick-up voltage
Drop-out voltage
25
20
Quantity, n
40
Quantity, n
Coil applied voltage, VDC
3. Ambient temperature and operating voltage
range
40
30
30
20
15
20
10
10
10
5
0
−40 −20
0
Pick-up voltage
(cold start)
20 40 60 8085 100 120
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
1
1.5
2
2.5
3
3.5
4
4.5
Time, ms
Voltage, V
Ambient temperature, °C
0
6-(1). Electrical life test (Motor load)
Circuit :
Tested sample
DC16V
DC12V
6
Pick-up and drop-out voltage, V
Sample: JSM1-12V-5, 3pcs.
Load: 50A (Inrush), 10A 16V DC (Steady)
Switching frequency: (ON : OFF = 1s : 9s)
Contact welding: 0 times
Miscontact: 0 times
5
Pick-up voltage
Max.
X
Min.
4
3
2
Drop-out voltage
Max.
X
Min.
1
M
0
0
5
No. of operations, × 104
10
6-(2). Electrical life test (Lamp load)
Circuit :
Tested sample
DC14.5V
DC12V
6
Pick-up and drop-out voltage, V
Sample: JSM1-12V-5, 4pcs.
Load: 55.2A (Inrush), 9.6A 14.5V DC (Steady)
Switching frequency: (ON : OFF = 1s : 3s)
Max.
X
Min.
Pick-up voltage
5
Contact welding: 0 times
Miscontact: 0 times
4
3
Drop-out voltage
2
Max.
X
Min.
1
0
0
5
10
No. of operations, × 104
15
For Cautions for Use, see Relay Technical Information.
ds_61211_en_jsm: 151212D
3
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