JPH02150836U - - Google Patents

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Publication number
JPH02150836U
JPH02150836U JP5885289U JP5885289U JPH02150836U JP H02150836 U JPH02150836 U JP H02150836U JP 5885289 U JP5885289 U JP 5885289U JP 5885289 U JP5885289 U JP 5885289U JP H02150836 U JPH02150836 U JP H02150836U
Authority
JP
Japan
Prior art keywords
transistor
protection circuit
collector
protects
output
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.)
Pending
Application number
JP5885289U
Other languages
Japanese (ja)
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 JP5885289U priority Critical patent/JPH02150836U/ja
Publication of JPH02150836U publication Critical patent/JPH02150836U/ja
Pending legal-status Critical Current

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  • Amplifiers (AREA)
  • Logic Circuits (AREA)
  • Electronic Switches (AREA)

Description

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

第1図は本考案の一実施例の回路図、第2図は
従来の一例の回路図である。 1……ダイオード、2……pnpトランジスタ
、3,4……抵抗、5……入力端子、6……電源
端子、7……出力端子。
FIG. 1 is a circuit diagram of an embodiment of the present invention, and FIG. 2 is a circuit diagram of a conventional example. 1... Diode, 2... PNP transistor, 3, 4... Resistor, 5... Input terminal, 6... Power supply terminal, 7... Output terminal.

Claims (1)

【実用新案登録請求の範囲】 オープンコレクタ出力のトランジスタを保護す
るトランジスタ保護回路において、 出力信号と極性の異なるノイズをバイパスする
整流素子を前記トランジスタのコレクタに接続し
てなるトランジスタ保護回路。
[Claims for Utility Model Registration] A transistor protection circuit that protects a transistor with an open collector output, the transistor protection circuit comprising: a rectifying element that bypasses noise having a polarity different from that of the output signal; connected to the collector of the transistor.
JP5885289U 1989-05-22 1989-05-22 Pending JPH02150836U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5885289U JPH02150836U (en) 1989-05-22 1989-05-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5885289U JPH02150836U (en) 1989-05-22 1989-05-22

Publications (1)

Publication Number Publication Date
JPH02150836U true JPH02150836U (en) 1990-12-27

Family

ID=31584837

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5885289U Pending JPH02150836U (en) 1989-05-22 1989-05-22

Country Status (1)

Country Link
JP (1) JPH02150836U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61263103A (en) * 1985-05-15 1986-11-21 Mitsubishi Electric Corp Control equipment of electromagnetic solenoid
JPS6269605A (en) * 1985-09-24 1987-03-30 Mitsubishi Electric Corp Solenoid driving circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61263103A (en) * 1985-05-15 1986-11-21 Mitsubishi Electric Corp Control equipment of electromagnetic solenoid
JPS6269605A (en) * 1985-09-24 1987-03-30 Mitsubishi Electric Corp Solenoid driving circuit

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