GB2218872B - Improvements in and relating to overvoltage protectors - Google Patents

Improvements in and relating to overvoltage protectors

Info

Publication number
GB2218872B
GB2218872B GB8811883A GB8811883A GB2218872B GB 2218872 B GB2218872 B GB 2218872B GB 8811883 A GB8811883 A GB 8811883A GB 8811883 A GB8811883 A GB 8811883A GB 2218872 B GB2218872 B GB 2218872B
Authority
GB
United Kingdom
Prior art keywords
relating
overvoltage protectors
protectors
overvoltage
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 - Lifetime
Application number
GB8811883A
Other versions
GB8811883D0 (en
GB2218872A (en
Inventor
Derek Colman
Andrew Marshall
Mick John Maytum
Frank Raoul Fattori
Phil Cavanagh
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.)
Texas Instruments Ltd
Original Assignee
Texas Instruments 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 Texas Instruments Ltd filed Critical Texas Instruments Ltd
Priority to GB8811883A priority Critical patent/GB2218872B/en
Publication of GB8811883D0 publication Critical patent/GB8811883D0/en
Publication of GB2218872A publication Critical patent/GB2218872A/en
Application granted granted Critical
Publication of GB2218872B publication Critical patent/GB2218872B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/18—Automatic or semi-automatic exchanges with means for reducing interference or noise; with means for reducing effects due to line faults with means for protecting lines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
    • H01L27/0203—Particular design considerations for integrated circuits
    • H01L27/0248—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Semiconductor Integrated Circuits (AREA)
  • Bipolar Integrated Circuits (AREA)
GB8811883A 1988-05-19 1988-05-19 Improvements in and relating to overvoltage protectors Expired - Lifetime GB2218872B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8811883A GB2218872B (en) 1988-05-19 1988-05-19 Improvements in and relating to overvoltage protectors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8811883A GB2218872B (en) 1988-05-19 1988-05-19 Improvements in and relating to overvoltage protectors

Publications (3)

Publication Number Publication Date
GB8811883D0 GB8811883D0 (en) 1988-06-22
GB2218872A GB2218872A (en) 1989-11-22
GB2218872B true GB2218872B (en) 1992-01-29

Family

ID=10637180

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8811883A Expired - Lifetime GB2218872B (en) 1988-05-19 1988-05-19 Improvements in and relating to overvoltage protectors

Country Status (1)

Country Link
GB (1) GB2218872B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0477392A1 (en) * 1990-09-24 1992-04-01 Siemens Aktiengesellschaft Input protection structure for integrated circuits
FR2670338B1 (en) * 1990-12-07 1993-03-26 Sgs Thomson Microelectronics PROGRAMMABLE PROTECTION CIRCUIT AND ITS MONOLITHIC IMPLEMENTATION.
FR2670339B1 (en) * 1990-12-07 1993-03-12 Sgs Thomson Microelectronics PROTECTION CIRCUIT LIMITING OVERVOLTAGES BETWEEN TWO SELECTED LIMITS AND ITS MONOLITHIC INTEGRATION.
GB9127476D0 (en) * 1991-12-30 1992-02-19 Texas Instruments Ltd A semiconductor integrated circuit
US6618233B1 (en) * 1999-08-06 2003-09-09 Sarnoff Corporation Double triggering mechanism for achieving faster turn-on
US7638816B2 (en) 2007-08-28 2009-12-29 Littelfuse, Inc. Epitaxial surge protection device
US7943959B2 (en) 2007-08-28 2011-05-17 Littelfuse, Inc. Low capacitance semiconductor device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1249203A (en) * 1969-02-11 1971-10-13 Internat Rectifier Company Gre Improvements relating to electric battery charging circuits incorporating solid state rectifiers
GB1466901A (en) * 1973-08-03 1977-03-09 Rca Corp Overvoltage protection circuit
US4698655A (en) * 1983-09-23 1987-10-06 Motorola, Inc. Overvoltage and overtemperature protection circuit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1249203A (en) * 1969-02-11 1971-10-13 Internat Rectifier Company Gre Improvements relating to electric battery charging circuits incorporating solid state rectifiers
GB1466901A (en) * 1973-08-03 1977-03-09 Rca Corp Overvoltage protection circuit
US4698655A (en) * 1983-09-23 1987-10-06 Motorola, Inc. Overvoltage and overtemperature protection circuit

Also Published As

Publication number Publication date
GB8811883D0 (en) 1988-06-22
GB2218872A (en) 1989-11-22

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20080518