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Tel：+86 755 29356619
Fax：+86 755 26546562
Email：customer@jkpptc.com
    

DIP

JK250 Series

JK series of Polymer PTC self-resettable fuse (JINKE-Polymer PTC Restoring Fuse) is a new-generation of overcurrent protection product, its function corresponds to the self-resettable and re-use fuse, use for protecting circuit from damage by high current .it has some superiorities as self-resettale, high security, little restoring time, good resistance to strong current, little volume and so on. The products are classified into 10 major categories and nearly 100 specifications based on their rated operation voltage (Operating Voltage: 6v-600v), holding current (Holding Current:90mA-14A) and shape, they can be used in communication exchanger, main distributing frame, computer mouse, keyboard, micromotor, transformer, audio, battery and other electrical equipment as well as circuits, to play the role of overcurrent protection.

JK250 Series of Polymer PTC Resettable Fuse Used for Communication Equipment

Jk250 series of resettable fuse is a kind of overcurrent protection unit which specially designed and manufactured for the communication exchanger and distributing frame. Has passed the repeated selective examination by the product protectionTesting Centre of the Ministry of Information Industry (the former Ministry of Posts and Telecommunications) and the Bureau of Technical Supervision, this series’ product performance completely conform to the standards of the telecommunications and posts industry.

Appearance of Products：

Electrical characteristics(25℃)

Model/PDF
Vmax
(V)		Imax
(A)		Ih
(mA)		Rmax
(Ω)		Rmin
(Ω)		Fig.Maximum Contour Size
（mm）
A
B
C
D
250
3
60
40.0
26.0
3
6.0
9.3
3.8
5.1
250
3
80
22.0
14.0
3
6.0
9.3
3.8
5.1
250
3
90
20.0
10.0
3
6.0
9.3
3.8
5.1
250
3
110
12.0
6.0
4
6.5
10.0
3.8
5.1
250
3
120
10.0
5.0
1
5.5
5.5
2.6
---
250
3
120
10.0
6.0
4
7.0
10.0
3.8
5.1
250
3
145
6.5
3.5
4
7.0
10.0
3.8
5.1
250
10
180
2.2
1.0
3
10.2
14.5
3.4
5.1
250
10
180
3.0
1.0
4
10.4
14.5
3.8
5.1
250
10
200
6.0
3.0
2
10.5
17.0
3.8
5.1
250
10
400
3.0
1.0
2
10.5
17.0
3.8
5.1
250
10
600
2.0
0.6
2
16.0
18.0
4.5
5.1
250
10
800
1.0
0.4
2
20.0
22.0
4.5
5.1
 
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