TW200635166A - Over-current protection device - Google Patents

Over-current protection device

Info

Publication number
TW200635166A
TW200635166A TW094108925A TW94108925A TW200635166A TW 200635166 A TW200635166 A TW 200635166A TW 094108925 A TW094108925 A TW 094108925A TW 94108925 A TW94108925 A TW 94108925A TW 200635166 A TW200635166 A TW 200635166A
Authority
TW
Taiwan
Prior art keywords
protection device
internal electrode
over
temperature coefficient
positive temperature
Prior art date
Application number
TW094108925A
Other languages
Chinese (zh)
Other versions
TWI279956B (en
Inventor
Yun-Ching Ma
Ching-Han Yu
Original Assignee
Polytronics Technology Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Polytronics Technology Corp filed Critical Polytronics Technology Corp
Priority to TW94108925A priority Critical patent/TWI279956B/en
Publication of TW200635166A publication Critical patent/TW200635166A/en
Application granted granted Critical
Publication of TWI279956B publication Critical patent/TWI279956B/en

Links

Landscapes

  • Thermistors And Varistors (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

The present invention relates to an over-current protection device, which comprises a positive temperature coefficient element, two thermal conductive insulation layers and a plurality of heat dissipation cylinders. The positive temperature coefficient element includes a current sensing layer and two first internal electrode layers, of which the first internal electrode layers are separately disposed on the upper and lower surfaces of the current sensing layer. The two thermal conductive insulation layers are separately disposed on the upper and lower surfaces of the positive temperature coefficient element. Moreover, the plurality of heat dissipation cylinders passes through the conductive insulating layer, and is connected to the first internal electrode layer.
TW94108925A 2005-03-23 2005-03-23 Over-current protection device TWI279956B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW94108925A TWI279956B (en) 2005-03-23 2005-03-23 Over-current protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW94108925A TWI279956B (en) 2005-03-23 2005-03-23 Over-current protection device

Publications (2)

Publication Number Publication Date
TW200635166A true TW200635166A (en) 2006-10-01
TWI279956B TWI279956B (en) 2007-04-21

Family

ID=38645551

Family Applications (1)

Application Number Title Priority Date Filing Date
TW94108925A TWI279956B (en) 2005-03-23 2005-03-23 Over-current protection device

Country Status (1)

Country Link
TW (1) TWI279956B (en)

Also Published As

Publication number Publication date
TWI279956B (en) 2007-04-21

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees