COMPACT ECONOMICAL
30 AMP. RELAY
JT-N
RELAYS
FEATURES
• High switching capacity — 30 A for 1 Form A
• 2 contact arrangements — 1 Form A or 1 Form C
• Sealed and “TMP” types available
• UL/CSA recognized (PCB & TMP type: UL508 group A
spacing, UL873 spacing)
• Class F types standard for PCB & TMP type
PCB type
TMP type
SPECIFICATIONS
Contacts
PCB & TMP type
Arrangement
1 Form A
1 Form C
Characteristics
Initial insulation resistance*
1
Between contacts
Initial
breakdown
Between contacts
voltage*
2
and coil
Operate time*
3
(at nominal voltage)
N.C.: 2770 VA
N.O.: 5440 VA
Initial contact
resistance, max.
(By voltage drop
method, 6 V DC 1
A)
Contact material
Max. switch-
ing power
Max. switch-
Rating
ing voltage
Max. switch-
ing current
Expected life
Mechanical
Electrical
(Resistive load)
PCB & TMP type
Min. 100 M
Ω
at 500 V DC
1,200 Vrms
2,500 Vrms
Max. 15 ms
Max. 10 ms
Min. 98 m/s
2
{10 G}
Min. 980 m/s
2
{100 G}
Max. 88.2 m/s
2
{9 G}, 10 to 55 Hz
at double amplitude of 1.5 mm
Max. 117.6 m/s
2
{12 G}, 10 to 55 Hz
at double amplitude of 2 mm
–55°C to +85°C
–67°F to +185°F
50 m
Ω
Silver alloy
8310 VA
277 V AC
30 A
Min. 1
×
10
7
N.O.:
20 A 277 V AC
Min. 1
×
10
5
*
N.C.:
10 A 277 V AC
Min. 1
×
10
5
*
N.C.: 10 A
N.O.: 20 A
Release time (without diode)*
3
(at nominal voltage)
Functional*
4
Shock
resistance
Destructive*
5
Vibration
resistance
Functional*
6
Destructive
20 A 277 V AC
Min. 1
×
10
5
*
* For sealed types, the life shown is for open venting-hole condition.
Conditions for
Ambient
operation, trans-
temp.
port and storage*
7
(Not freezing and
condensing at low
Humidity
temperature)
5 to 85% R.H.
Coil
at 20°C
68°F
Minimum operating power
Nominal operating power
PCB & TMP type
Approx. 450 mW
Approx. 800 mW
Unit weight
PCB type:
Approx. 25 g
(.88 oz)
TMP type:
Approx. 30 g
(1.06 oz)
Remarks
* Specifications will vary with foreign standards certification ratings.
*
1
Measurement at same location as “Intial breakdown voltage” section
*
2
Detection current: 10 mA
*
3
Excluding contact bounce time
*
4
Half-wave pulse of sine wave: 11ms; detection time: 10
µ
s
*
5
Half-wave pulse of sine wave: 6ms
*
6
Detection time: 10
µ
s
*
7
Refer to 5. Conditions for operation, transport and storage mentioned in
AMBIENT ENVIRONMENT (Page 24).
TYPICAL APPLICATIONS
• Automotive
• Air conditioner
• Heating & ventilation
• Home appliance
118
JT-N
ORDERING INFORMATION
JT-N Relays (PCB and TMP type)
JTN
Contact
arrangement
1a: 1 Form A
1: 1 Form C
1a
Protective
construction
S: Sealed type
S
TMP
Mounting
classtification
PA: PCB type
(UL508)
TMP: TMP type
(UL508)
F
DC12V
Coil insulation
Coil voltage
F: Class F
DC 5, 6, 9, 12,
15, 18, 24 V
UL/CSA approved type is standard.
Note: DC rating is available for class A type. For the class A type, please consult us.
COIL DATA (at 20°C
68°F)
Nominal
Pick-up voltage,
Drop-out voltage,
voltage, V DC V DC (max.) (Initial) V DC (min.) (Initial)
5
3.75
0.5
6
4.5
0.6
9
6.75
0.9
12
9.0
1.2
15
11.25
1.5
18
13.5
1.8
24
18.0
2.4
Coil resistance,
Ω
(±10%)
Open
PCB & TMP
26
31
38
45
94
101
155
180
256
281
380
405
660
720
Nominal operating power, mW Max. allowable voltage,
V DC (at 70°C
158°F)
Open
PCB & TMP
962
800
6
947
800
7.2
862
800
10.8
930
800
14.4
879
800
18
853
800
21.6
873
800
28.8
mm
inch
3.6±0.5
20.2±0.6
.142±.020
.795±.024
Terminals
0.8×1.6
.031×.063
DIMENSIONS
1. PCB type
1 Form A
26.9±0.6
1.059±.024
1 Form C
26.9±0.6
1.059±.024
3.6±0.5
20.2±0.6
.142±.020
.795±.024
Terminals
2-0.8×1.6
2-.031×.063
31.9±0.6
1.256±.024
31.9±0.6
1.256±.024
PC board pattern (Copper-side view)
2-2.1 dia.
2-.083 dia.
2.54
.100
15.24
.600
Coil Terminals
2-0.6 dia.
2-.024 dia.
Terminal
1.14×1.14
.045×.045
PC board pattern (Copper-side view)
3-2.1 dia.
3-.083 dia.
7.62
.300
15.24 2.54
.600 .100
Coil Terminals
2-0.6 dia.
2-.024 dia.
Terminal
1.14×1.14
.045×.045
Schematic (Bottom view)
Schematic (Bottom view)
3.81
.150
13.97
.550
17.78
.700
2-1.1 dia.
2-.043 dia.
3.81
.150
13.97
.550
17.78
.700
2-1.1 dia.
2-.043 dia.
Tolerance:
±0.1
±.004
3.6±0.5
27.9±0.6
.142±.020
1.096±.024
Terminals
2-0.8×1.6
2-.031×.063
2. TMP type
1 Form A
0.8±0.1
.031±.004
0.8±0.1
.031±.004
27.4±0.6
1.079±.024
6.35±0.1
.250±.004
N.C.
N.O.
3.6±0.5
27.9±0.6
.142±.020
1.096±.024
Terminals
0.8×1.6
.031×.063
1 Form C
0.8±0.1
.031±.004
27.4±0.6
1.079±.024
6.35±0.1
.250±.004
N.C.
N.O.
32.2±0.6
1.268±.024
32.2±0.6
1.268±.024
0.8±0.1
.031±.004
COM
COM
PC board pattern (Copper-side view)
6.20±0.5
.244±.020
2.54
.100
15.24
.600
COM
3.81
.150
13.97
.550
17.78
.700
2-1.1 dia.
2-.043 dia.
2-2.1 dia.
2-.083 dia.
10.93±0.5
.430±.020
Coil Terminals
2-0.6 dia.
2-.024 dia.
Terminal
1.14×1.14
.045×.045
PC board pattern (Copper-side view)
6.20±0.5
.244±.020
7.62
.300
15.24 2.54
.600 .100
COM
3.81
.150
13.97
.550
17.78
.700
2-1.1 dia.
2-.043 dia.
3-2.1 dia.
3-.083 dia.
10.93±0.5
.430±.020
N.C.
Coil Terminals
2-0.6 dia.
2-.024 dia.
Terminal
1.14×1.14
.045×.045
Schematic
N.O.
Schematic
N.O.
(Top view)
(Bottom view)
(Top view)
(Bottom view)
Tolerance:
±0.1
±.004
119
JT-N
REFERENCE DATA
1. Change of rate of pick-up and drop-out volt-
age (at 20°C
68°F)
Sample: JTN1S-TMP-F-DC24V (6 pcs.)
Rate of
change, %
40
30
20
Time, ms
20
Operate time
2. Operate & release time (at 20°C
68°F)
Sample: JTN1S-TMP-F-DC24V (6 pcs.)
3. Operate & release time (at 20°C
68°F)
Sample: JTN1aS-PA-F-DC24V (6 pcs.)
Drop-out voltage
Operate/release time, ms
20
10
Pick-up voltage
–55 –35 –15 5 25 45 65 85 105
–67 –31 +5 +41
+113+149+185+221
+77
Ambient
–10
temperature,
°C
°F
–20
–30
–40
Operate time
10
Max.
Min.
Release time
0
80
Max.
Min.
10
Release time
Max.
Min.
Max.
Min.
110
120
0
80
90
100
Coil applied voltage,%V
90
100 110 120
Coil applied voltage,%V
4. Distribution frequency of pick-up voltage
(at 20°C
68°F)
Sample: JTN1S-TMP-F-DC12V (30 pcs.)
15
Distribution frequency
5. Distribution frequency of drop-out voltage
(at 20°C
68°F)
Sample: JTN1S-TMP-F-DC12V (30 pcs.)
15
Distribution frequency
6.-(1) Coil temperature rise (TMP type)*
Ambient temperature: 20°C
68°F
Sample: JTN1aS-TMP-F-DC12V (6 pcs.)
80
Temperature rise,
°C
20 A
60
10 A
40
10
10
5
5
20
0
7.3 7.5 7.7 7.9 8.1 8.3 8.5
Pick-up voltage, V
0
3 3.2 3.4 3.6 3.8 4.0 4.2
Drop-out voltage, V
0
0
80
100
120
140
Coil applied voltage,%V
* Coil temperature rise of sealed types are same as
data of the dust cover type.
Ambient temperature: 55°C
131°F
Sample: JTN1aS-TMP-F-DC12V (6 pcs.)
Ambient temperature: 85°C
185°F
Sample: JTN1aS-TMP-F-DC12V (6 pcs.)
Ambient temperature: 105°C
221°F
Sample: JTN1aS-TMP-F-DC12V (6 pcs.)
80
20 A
60
10 A
40
Temperature rise,
°C
80
Temperature rise,
°C
Temperature rise,
°C
20 A
60
10 A
40
80
60
20 A
40
10 A
20
20
20
0
0
80
100
120
140
0
0
80
100
120
140
0
0
80
100
120
140
Coil applied voltage,%V
Coil applied voltage,%V
Coil applied voltage,%V
For Cautions for Use, see Relay Technical Information (Page 11 to 39).
120
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