Miniature relays: Difference between revisions

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! Used in
! Used in
! Replacement
! Replacement
! Note
|-
|-
| 148-0034-00 || DPDT ||  15 V 600 Ω  || [[7A11]]: K401,K403,K405,K407,K411,K413,K415,K417,K431<br />[[7A13]]: K47,K48,K480,K490<br />[[7A14]]: K50,K62,K330<br />[[7B70]], [[7B71]]: K6,K44,K48,K138,K780  || AXICOM V23079-D2003-B301 (Ref. 2)<br />[[Media:Omron G6 relay.jpg|Omron G6N, G6S]]
| 148-0034-00 || DPDT ||  15 V 600 Ω  || [[7A11]]: K401,K403,K405,K407,K411,K413,K415,K417,K431<br />[[7A13]]: K47,K48,K480,K490<br />[[7A14]]: K50,K62,K330<br />[[7B70]], [[7B71]]: K6,K44,K48,K138,K780  || AXICOM V23079-D2003-B301 (Ref. 2)<br />[[Media:Omron G6 relay.jpg|Omron G6N, G6S||]]
|-
|-
| 148-0034-01 || DPDT ||  15 V 600 Ω  || [[7A12]]: K7,K12,K15,K18 ''[note 1]'' ||
| 148-0034-01 || DPDT ||  15 V 600 Ω  || [[7A12]]: K7,K12,K15,K18 || || same pinout as 148-0034-00 but longer leads bent outwards
|-
|-
| 148-0034-02 || DPDT ||  15 V 600 Ω  || [[7A12]]: K7 for B020000 up ''[note 1]'' ||
| 148-0034-02 || DPDT ||  15 V 600 Ω  || [[7A12]]: K7 for B020000 up || || same pinout as 148-0034-00 but longer leads bent outwards
|-
|-
| 148-0034-03 || DPDT ||  15 V 600 Ω  || [[7A11]] B100000+: K401,K403,K405,K407,K411,K413,K415,K417,K431 || AXICOM V23079-D2003-B301 (Ref. 2)
| 148-0034-03 || DPDT ||  15 V 600 Ω  || [[7A11]] B100000+: K401,K403,K405,K407,K411,K413,K415,K417,K431 || AXICOM V23079-D2003-B301 (Ref. 2) ||
|-
|-
| 148-0035-00 || SPDT ||  15 V 600 Ω  || [[7A13]]: K60,K61<br /> [[7A14]]: K51,K52,K53,K54,K155,K160,K180,K235,K280<br />[[7B70]], [[7B71]]: K3 ||
| 148-0035-00 || SPDT ||  15 V 600 Ω  || [[7A13]]: K60,K61<br /> [[7A14]]: K51,K52,K53,K54,K155,K160,K180,K235,K280<br />[[7B70]], [[7B71]]: K3 || ||
|-
|-
| [[148-0043-00]] || DPDT || 24 V 1325 Ω|| ||
| [[148-0043-00]] || DPDT || 24 V 1325 Ω|| || ||
|-
|-
| 148-0043-01 || DPDT || 24 V 1325 Ω|| ||
| 148-0043-01 || DPDT || 24 V 1325 Ω|| || ||
|-
|-
| 148-0044-00 || DPDT || 12 V 425 Ω|| ||
| 148-0044-00 || DPDT || 12 V 425 Ω|| || ||
|-
|-
| 148-0050-00 || SPST ||  12 V        || [[7A13]]: K10,K30 ||
| 148-0050-00 || SPST ||  12 V        || [[7A13]]: K10,K30 || ||
|-  
|-  
| 148-0054-00 || SPDT+SPST ||  15 V  || [[7A13]]: K7,K27  ||
| 148-0054-00 || SPDT+SPST ||  15 V  || [[7A13]]: K7,K27  || ||
|-
|-
| 148-0055-00 || SPDT+SPST ||  15 V  || [[7A13]]: K6,K26  ||
| 148-0055-00 || SPDT+SPST ||  15 V  || [[7A13]]: K6,K26  || ||
|-
|-
| 148-0058-00 ||  ||  4 V 130 Ω    || [[7A11|7A11 Probe]]: K55,K59  ||
| 148-0058-00 ||  ||  4 V 130 Ω    || [[7A11|7A11 Probe]]: K55,K59  || ||
|-
|-
| 148-0059-00 || DPDT  ||  9.5 V 115 Ω    ||  ||
| 148-0059-00 || DPDT  ||  9.5 V 115 Ω    ||  || ||
|-
|-
| 148-0063-00 || DPDT  ||  15 V 600 Ω    || [[7A12]]: K5 ''[note 2]'' ||
| 148-0063-00 || DPDT  ||  15 V 600 Ω    || [[7A12]]: K5 || || Internally connected. Labled "Alt throw relay" in [[7A12]] manual.
|-
|-
| 148-0076-00 || SPST (reed) ||  ||  [[7L12]]:  K1470  ||
| 148-0076-00 || SPST (reed) ||  ||  [[7L12]]:  K1470  || ||
|-
|-
| [[148-0080-00]] || DPDT || 5 V at 65 Ω  ||    ||
| [[148-0080-00]] || DPDT || 5 V at 65 Ω  ||    || ||
|-
|-
| 148-0087-00 || SPDT || 90 mW ||  [[7L12]]: K300,K353,K356,K1200  ||
| 148-0087-00 || SPDT || 90 mW ||  [[7L12]]: K300,K353,K356,K1200  || ||
|-
|-
| 148-0088-00 || DPDT || 15 V 1000 Ω || [[7L12]]: K281,K354,K355,K357,K1130,K1400,K1450 ||
| 148-0088-00 || DPDT || 15 V 1000 Ω || [[7L12]]: K281,K354,K355,K357,K1130,K1400,K1450 || || same pinout as 148-0034-00. [[7L12]] manual claims "120 mW", but print on relay (and measurement) says 15V 1000Ω which is 225 mW.
|-
|-
| 148-0107-03 || SPDT ||  ||  TO5 replacement    ||
| 148-0107-03 || SPDT ||  ||  TO5 replacement    || ||
|-
|-
| 148-0107-04 ||  DPDT  ||    || TO5 replacement for 148-0055-00 ([[7A13]]: K6,K26)  ||
| 148-0107-04 ||  DPDT  ||    || TO5 replacement for 148-0055-00 ([[7A13]]: K6,K26)  || ||
|-
|-
| 108-0599-00 || SPST (reed) ||  ||  [[7T11]]:  A3K31,A3K32,A3K70,A3K71,A3K80  ||
| 108-0599-00 || SPST (reed) ||  ||  [[7T11]]:  A3K31,A3K32,A3K70,A3K71,A3K80  || ||
|}
|}
''to be expanded''  
''to be expanded''  


===Notes===
''[note 1]'' 148-0034-01 and -02 look like 148-0034-00 but with longer leads that are bent outwards. Coil data and pinning is identical.


''[note 2]'' Internally connected. Labled "Alt throw relay" in [[7A12]] manual.


==References==
==References==

Revision as of 15:37, 30 March 2020

In the 1970s, Tek produced their own miniature relays in-house that were used in some 7000-series plug-ins such as the 7A11, 7A12, 7A13, 7A14, and other equipment. These relays have a tendency to fail and working ones have become very rare. Some of these relays have symmetrical socket layouts so that they can be installed in both possible 180° rotated positions.

Interestingly, Tek appears to have manufactured replacements based on commercial relays in TO-5 metal can cases soldered to small carrier boards with pins matching the Tek sockets.

Possible repair strategies include "micro-surgery" (Ref.1) or installing modern miniature gold-contact relays on top of the cut-off base.

Relays of the 148-0034-00 family have contacts with 100mil (2.54mm) pitch; the housings are 16.0 x 8.3 x 15 mm (width x depths x height).

Tek P/N Contacts Coil Used in Replacement Note
148-0034-00 DPDT 15 V 600 Ω 7A11: K401,K403,K405,K407,K411,K413,K415,K417,K431
7A13: K47,K48,K480,K490
7A14: K50,K62,K330
7B70, 7B71: K6,K44,K48,K138,K780		 AXICOM V23079-D2003-B301 (Ref. 2)
Omron G6N, G6S
148-0034-01 DPDT 15 V 600 Ω 7A12: K7,K12,K15,K18 same pinout as 148-0034-00 but longer leads bent outwards
148-0034-02 DPDT 15 V 600 Ω 7A12: K7 for B020000 up same pinout as 148-0034-00 but longer leads bent outwards
148-0034-03 DPDT 15 V 600 Ω 7A11 B100000+: K401,K403,K405,K407,K411,K413,K415,K417,K431 AXICOM V23079-D2003-B301 (Ref. 2)
148-0035-00 SPDT 15 V 600 Ω 7A13: K60,K61
7A14: K51,K52,K53,K54,K155,K160,K180,K235,K280
7B70, 7B71: K3
148-0043-00 DPDT 24 V 1325 Ω
148-0043-01 DPDT 24 V 1325 Ω
148-0044-00 DPDT 12 V 425 Ω
148-0050-00 SPST 12 V 7A13: K10,K30
148-0054-00 SPDT+SPST 15 V 7A13: K7,K27
148-0055-00 SPDT+SPST 15 V 7A13: K6,K26
148-0058-00 4 V 130 Ω 7A11 Probe: K55,K59
148-0059-00 DPDT 9.5 V 115 Ω
148-0063-00 DPDT 15 V 600 Ω 7A12: K5 Internally connected. Labled "Alt throw relay" in 7A12 manual.
148-0076-00 SPST (reed) 7L12: K1470
148-0080-00 DPDT 5 V at 65 Ω
148-0087-00 SPDT 90 mW 7L12: K300,K353,K356,K1200
148-0088-00 DPDT 15 V 1000 Ω 7L12: K281,K354,K355,K357,K1130,K1400,K1450 same pinout as 148-0034-00. 7L12 manual claims "120 mW", but print on relay (and measurement) says 15V 1000Ω which is 225 mW.
148-0107-03 SPDT TO5 replacement
148-0107-04 DPDT TO5 replacement for 148-0055-00 (7A13: K6,K26)
108-0599-00 SPST (reed) 7T11: A3K31,A3K32,A3K70,A3K71,A3K80

to be expanded


References

  1. Repairing 7A13 relays @ PA4TIM (how to take relays apart, inside photos)
  2. 7A11 repair report at amplifier.cd
  3. Tek 7A13 broken relays @ IK1ZYW Labs

Pictures

  • 148-0034-03 in 7A11

    148-0034-03 in 7A11

  • 148-0034-xx connections (bottom view)

    148-0034-xx connections (bottom view)

  • 148-0034-00

    148-0034-00

  • 148-0034-00

    148-0034-00

  • 148-0034-02

    148-0034-02

  • 148-0034-02

    148-0034-02

  • 148-0034-03 bottom view

    148-0034-03 bottom view

  • 148-0035-00 in 7A13

    148-0035-00 in 7A13

  • 148-0035-00

    148-0035-00

  • 148-0035-00

    148-0035-00

  • 148-0035-00

    148-0035-00

  • 148-0035-00

    148-0035-00

  • 148-0035-00 connections

    148-0035-00 connections

  • 148-0050-00

    148-0050-00

  • 148-0050-00

    148-0050-00

  • 148-0050-00

    148-0050-00

  • 148-0050-00

    148-0050-00

  • 148-0055-00

    148-0055-00

  • 148-0055-00

    148-0055-00

  • 148-0055-00

    148-0055-00

  • 148-0055-00

    148-0055-00

  • 148-0107-04 TO-5 replacement relay

    148-0107-04 TO-5 replacement relay

  • replacement Omron G6 relay soldered onto Tek socket

    replacement Omron G6 relay soldered onto Tek socket

  • Two 148-0058-00 in the 7A11 probe

    Two 148-0058-00 in the 7A11 probe

Other custom relays in Tek equipment

  • 108-0599-00 reed relays in 7T11

    108-0599-00 reed relays in 7T11

  • Bi-stable relay yoke actuating contacts in 11A33 front-end (148-0204-00)

    Bi-stable relay yoke actuating contacts in 11A33 front-end (148-0204-00)

  • 148-0128-00 relay yoke

    148-0128-00 relay yoke

  • 11PST reed relay on 262 program cards

    11PST reed relay on 262 program cards

  • 11PST reed relay on 262 program cards (top right)

    11PST reed relay on 262 program cards (top right)

  • Mag Latch Relay (from 1987 catalog)

    Mag Latch Relay (from 1987 catalog)

  • 7A29 input protection relay
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