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JPH01101128U - - Google Patents

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Publication number
JPH01101128U
JPH01101128U JP19462187U JP19462187U JPH01101128U JP H01101128 U JPH01101128 U JP H01101128U JP 19462187 U JP19462187 U JP 19462187U JP 19462187 U JP19462187 U JP 19462187U JP H01101128 U JPH01101128 U JP H01101128U
Authority
JP
Japan
Prior art keywords
coefficient thermistor
temperature coefficient
positive temperature
positive
communication line
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP19462187U
Other languages
Japanese (ja)
Other versions
JPH0613587Y2 (en
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 filed Critical
Priority to JP1987194621U priority Critical patent/JPH0613587Y2/en
Publication of JPH01101128U publication Critical patent/JPH01101128U/ja
Application granted granted Critical
Publication of JPH0613587Y2 publication Critical patent/JPH0613587Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

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

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案に係る通信線保安用正特性サー
ミスタの一部を切り欠いた正面図、第２図は第１
図の側面図、第３図は第１図の底面図、第４図は
この正特性サーミスタが組み込まれた保安回路図
である。 １……ケース、５，６……正特性サーミスタ素
子、１０，１１，１２，１３……端子、１５……
熱良伝導性絶縁板。 Figure 1 is a partially cutaway front view of the positive temperature coefficient thermistor for communication line security according to the present invention, and Figure 2 is the front view of the positive temperature coefficient thermistor for communication line safety according to the present invention.
3 is a bottom view of FIG. 1, and FIG. 4 is a safety circuit diagram incorporating this positive temperature coefficient thermistor. 1... Case, 5, 6... Positive temperature coefficient thermistor element, 10, 11, 12, 13... Terminal, 15...
Insulating board with good thermal conductivity.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一つのケース内に二つの正特性サーミスタ素子
を、熱伝導性の良好な絶縁板を介して厚さ方向に
重ね合わせ、一対ずつの端子で保持したことを特
徴とする通信線保安用正特性サーミスタ。 A positive temperature coefficient thermistor for communication line security, characterized in that two positive coefficient thermistor elements are stacked in a single case in the thickness direction via an insulating plate with good thermal conductivity, and held by a pair of terminals. .
JP1987194621U 1987-12-22 1987-12-22 Positive characteristic thermistor for communication line security Expired - Lifetime JPH0613587Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987194621U JPH0613587Y2 (en) 1987-12-22 1987-12-22 Positive characteristic thermistor for communication line security

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987194621U JPH0613587Y2 (en) 1987-12-22 1987-12-22 Positive characteristic thermistor for communication line security

Publications (2)

Publication Number Publication Date
JPH01101128U true JPH01101128U (en) 1989-07-07
JPH0613587Y2 JPH0613587Y2 (en) 1994-04-06

Family

ID=31485344

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987194621U Expired - Lifetime JPH0613587Y2 (en) 1987-12-22 1987-12-22 Positive characteristic thermistor for communication line security

Country Status (1)

Country Link
JP (1) JPH0613587Y2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0377238U (en) * 1989-11-27 1991-08-02
JPH03122502U (en) * 1990-03-24 1991-12-13
JPH03122503U (en) * 1990-03-24 1991-12-13
JP2009136123A (en) * 2007-12-03 2009-06-18 Sankosha Corp Safety device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5887424U (en) * 1981-12-04 1983-06-14 株式会社白山製作所 Communication security device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5887424U (en) * 1981-12-04 1983-06-14 株式会社白山製作所 Communication security device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0377238U (en) * 1989-11-27 1991-08-02
JPH03122502U (en) * 1990-03-24 1991-12-13
JPH03122503U (en) * 1990-03-24 1991-12-13
JP2009136123A (en) * 2007-12-03 2009-06-18 Sankosha Corp Safety device

Also Published As

Publication number Publication date
JPH0613587Y2 (en) 1994-04-06

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