JP2558201Y2 - 過電圧保護回路 - Google Patents

過電圧保護回路

Info

Publication number
JP2558201Y2
JP2558201Y2 JP1990403744U JP40374490U JP2558201Y2 JP 2558201 Y2 JP2558201 Y2 JP 2558201Y2 JP 1990403744 U JP1990403744 U JP 1990403744U JP 40374490 U JP40374490 U JP 40374490U JP 2558201 Y2 JP2558201 Y2 JP 2558201Y2
Authority
JP
Japan
Prior art keywords
transistor
collector
emitter
power supply
voltage
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.)
Expired - Fee Related
Application number
JP1990403744U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0488057U (enrdf_load_stackoverflow
Inventor
田 覚 成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
New Japan Radio Co Ltd
Original Assignee
New Japan Radio Co Ltd
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 New Japan Radio Co Ltd filed Critical New Japan Radio Co Ltd
Priority to JP1990403744U priority Critical patent/JP2558201Y2/ja
Publication of JPH0488057U publication Critical patent/JPH0488057U/ja
Application granted granted Critical
Publication of JP2558201Y2 publication Critical patent/JP2558201Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Amplifiers (AREA)
  • Bipolar Integrated Circuits (AREA)
  • Emergency Protection Circuit Devices (AREA)
JP1990403744U 1990-12-19 1990-12-19 過電圧保護回路 Expired - Fee Related JP2558201Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990403744U JP2558201Y2 (ja) 1990-12-19 1990-12-19 過電圧保護回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990403744U JP2558201Y2 (ja) 1990-12-19 1990-12-19 過電圧保護回路

Publications (2)

Publication Number Publication Date
JPH0488057U JPH0488057U (enrdf_load_stackoverflow) 1992-07-30
JP2558201Y2 true JP2558201Y2 (ja) 1997-12-24

Family

ID=31881478

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990403744U Expired - Fee Related JP2558201Y2 (ja) 1990-12-19 1990-12-19 過電圧保護回路

Country Status (1)

Country Link
JP (1) JP2558201Y2 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4692084B2 (ja) * 2005-06-06 2011-06-01 富士電機システムズ株式会社 アナログ入力の過電圧保護回路

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3517490A1 (de) * 1985-05-15 1986-11-20 Robert Bosch Gmbh, 7000 Stuttgart Schutzeinrichtung fuer einen elektromagnetischen verbraucher
JPH0635537Y2 (ja) * 1988-05-07 1994-09-14 横河電機株式会社 演算増幅器の保護回路

Also Published As

Publication number Publication date
JPH0488057U (enrdf_load_stackoverflow) 1992-07-30

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Legal Events

Date Code Title Description
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 19970729

LAPS Cancellation because of no payment of annual fees