Radial Lead Resettable Polymer PTCs
JK250 Series
Description
JK250 Series is designed to protect against short duration
high voltage fault currents (power cross or power induction
surge) typically used in AC220V.
Features
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0.02-2.0A hold current rating
250VAC operating voltage
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u
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Fast time-to- trip
RoHS compliant, Lead-Free and Halogen-Free
Applicable
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u
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AC220V over-current protection
Power ports
Customer Premises Equipment(CPE)
Electrical Parameters
Maximum Time
To Trip
Resistance
V max
(Vac)
I max
(A)
P dtyp.
(W)
Part Number
I hold (A)
I trip (A)
Current
Time
R min
R max
R 1max
(A)
(Sec.)
(Ω)
(Ω)
(Ω)
JK250-020U
JK250-030U
JK250-040U
JK250-060U
JK250-080U
JK250-090U
JK250-100U
JK250-110U
JK250-120U
JK250-145U
JK250-180T
JK250-180U
JK250-200U
JK250-400U
JK250-600U
JK250-800U
JK250-1000U
JK250-1200U
JK250-1500U
JK250-2000U
0.020
0.030
0.040
0.060
0.080
0.090
0.100
0.110
0.120
0.145
0.180
0.180
0.200
0.400
0.600
0.800
1.000
1.200
1.500
2.000
0.045
0.065
0.080
0.120
0.160
0.180
0.200
0.220
0.240
0.290
0.540
0.540
0.400
0.800
1.200
1.600
2.000
2.400
3.000
4.000
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
3.0
3.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.8
1.8
2.4
2.8
3.2
3.6
3.6
3.6
4.8
4.8
1.0
0.10
0.10
1.00
2.00
0.25
0.50
1.00
1.20
1.20
4.00
1.50
1.50
5.00
8.0
80.0
60.0
30.0
22.0
14.0
10.0
10.0
6.0
160.0
120.0
60.0
40.0
22.0
20.0
20.0
12.0
11.0
6.5
240.0
180.0
80.0
60.0
33.0
31.0
31.0
16.0
16.0
14.0
4.0
1.0
0.5
0.5
1.0
1.0
1.0
1.0
1.0
1.0
3.0
3.0
3.0
3.0
3.0
4.0
5.0
6.0
7.5
10.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
6.0
3.0
3.5
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
1.0
2.2
1.0
3.0
5.0
3.0
6.0
9.0
1.0
3.0
6.0
12.0
18.0
20.0
20.0
20.0
20.0
0.6
2.00
1.00
0.80
0.80
0.60
0.40
5.0
0.40
0.50
0.20
0.20
0.20
3.0
2.0
2.0
1.5
1.5
UN Semiconductor Co., Ltd.
www.unsemi.com.tw
@ UN Semiconductor Co., Ltd. 2013
Revision October 18, 2013
1 / 4
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.