JPS546473A - Protection unit - Google Patents
Protection unitInfo
- Publication number
- JPS546473A JPS546473A JP7111477A JP7111477A JPS546473A JP S546473 A JPS546473 A JP S546473A JP 7111477 A JP7111477 A JP 7111477A JP 7111477 A JP7111477 A JP 7111477A JP S546473 A JPS546473 A JP S546473A
- Authority
- JP
- Japan
- Prior art keywords
- protection unit
- fet
- thermister
- overcurrent
- temperature characteristics
- 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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
- H02H9/026—Current limitation using PTC resistors, i.e. resistors with a large positive temperature coefficient
Abstract
PURPOSE:To protect FET from overcurrent, by connecting a thermister of positive temperature characteristics to the drain electrode or source electrode of a FET.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7111477A JPS546473A (en) | 1977-06-17 | 1977-06-17 | Protection unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7111477A JPS546473A (en) | 1977-06-17 | 1977-06-17 | Protection unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS546473A true JPS546473A (en) | 1979-01-18 |
Family
ID=13451200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7111477A Pending JPS546473A (en) | 1977-06-17 | 1977-06-17 | Protection unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS546473A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6318862U (en) * | 1986-07-19 | 1988-02-08 | ||
FR2631173A1 (en) * | 1988-05-04 | 1989-11-10 | Meca Sarl Ste Nle | SECURITY POWER VARIATOR |
JP2014099689A (en) * | 2012-11-13 | 2014-05-29 | Nippon Dempa Kogyo Co Ltd | Temperature control circuit with crystal oscillator with thermostat |
JP6031169B1 (en) * | 2015-09-16 | 2016-11-24 | 株式会社オーバル | Instrumentation equipment with pulse output function |
-
1977
- 1977-06-17 JP JP7111477A patent/JPS546473A/en active Pending
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6318862U (en) * | 1986-07-19 | 1988-02-08 | ||
JPH0521898Y2 (en) * | 1986-07-19 | 1993-06-04 | ||
FR2631173A1 (en) * | 1988-05-04 | 1989-11-10 | Meca Sarl Ste Nle | SECURITY POWER VARIATOR |
WO1989011175A1 (en) * | 1988-05-04 | 1989-11-16 | Societe Nouvelle Meca S.A.R.L. | Protective power variator |
JP2014099689A (en) * | 2012-11-13 | 2014-05-29 | Nippon Dempa Kogyo Co Ltd | Temperature control circuit with crystal oscillator with thermostat |
JP6031169B1 (en) * | 2015-09-16 | 2016-11-24 | 株式会社オーバル | Instrumentation equipment with pulse output function |
WO2017047823A1 (en) * | 2015-09-16 | 2017-03-23 | 株式会社オーバル | Instrumentation device having pulse output function |
KR20180042393A (en) * | 2015-09-16 | 2018-04-25 | 가부시키가이샤 오바루 | Measuring instrument with pulse output function |
US10320377B2 (en) | 2015-09-16 | 2019-06-11 | Oval Corporation | Instrumentation device having pulse output function |
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