DE808851C - Elektrischer Widerstand - Google Patents

Elektrischer Widerstand

Info

Publication number
DE808851C
DE808851C DEN476A DEN0000476A DE808851C DE 808851 C DE808851 C DE 808851C DE N476 A DEN476 A DE N476A DE N0000476 A DEN0000476 A DE N0000476A DE 808851 C DE808851 C DE 808851C
Authority
DE
Germany
Prior art keywords
manganite
resistance
trivalent metal
temperature
conductive material
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
Application number
DEN476A
Other languages
German (de)
English (en)
Other versions
DE1618601U (de
Inventor
Gerard Heinrich Jonker
Jan Heinrik Van Santen
Jan Volger
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE808851C publication Critical patent/DE808851C/de
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C7/00Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/001Mass resistors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/06Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
    • H01B1/08Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances oxides
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C7/00Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/02Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient
    • H01C7/022Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient mainly consisting of non-metallic substances
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C7/00Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/02Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient
    • H01C7/022Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient mainly consisting of non-metallic substances
    • H01C7/023Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient mainly consisting of non-metallic substances containing oxides or oxidic compounds, e.g. ferrites
    • H01C7/025Perovskites, e.g. titanates
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C7/00Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/04Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient
    • H01C7/042Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient mainly consisting of inorganic non-metallic substances
    • H01C7/043Oxides or oxidic compounds
    • H01C7/045Perovskites, e.g. titanates

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Thermistors And Varistors (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Non-Adjustable Resistors (AREA)
DEN476A 1949-02-08 1950-02-05 Elektrischer Widerstand Expired DE808851C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL77388T 1949-02-08

Publications (1)

Publication Number Publication Date
DE808851C true DE808851C (de) 1951-07-19

Family

ID=31944902

Family Applications (1)

Application Number Title Priority Date Filing Date
DEN476A Expired DE808851C (de) 1949-02-08 1950-02-05 Elektrischer Widerstand

Country Status (6)

Country Link
BE (1) BE493785A (zh)
CH (1) CH286248A (zh)
DE (1) DE808851C (zh)
FR (1) FR1010901A (zh)
GB (1) GB679151A (zh)
NL (1) NL77388C (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1048985B (de) * 1952-06-25 1959-01-22 Siemens Ag Spannungsabhaengiger Widerstand

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016107931A1 (de) * 2016-04-28 2017-11-02 Epcos Ag Elektronisches Bauelement zur Einschaltstrombegrenzung und Verwendung eines elektronischen Bauelements

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1048985B (de) * 1952-06-25 1959-01-22 Siemens Ag Spannungsabhaengiger Widerstand

Also Published As

Publication number Publication date
CH286248A (de) 1952-10-15
NL77388C (zh) 1955-02-15
BE493785A (zh) 1950-06-01
GB679151A (en) 1952-09-10
FR1010901A (fr) 1952-06-17

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