Miniature relays: Difference between revisions
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{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
! Tek P/N | ! width="80px"|Tek P/N | ||
! Contacts | ! Contacts | ||
! Coil | ! Coil | ||
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! Replacement | ! Replacement | ||
! Note | ! Note | ||
|- | |||
| 108-0599-00 || SPST (reed) || || [[7T11]]: A3K31,A3K32,A3K70,A3K71,A3K80 || || | |||
|- | |- | ||
| 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 <br /> [[7904]](A) Opt. 2: K802,K805,K812,K815 || 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 <br /> [[7904]](A) Opt. 2: K802,K805,K812,K815 || AXICOM V23079-D2003-B301 (Ref. 2)<br />[[Media:Omron G6 relay.jpg|Omron G6N, G6S||]] | ||
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| [[148-0043-00]] || DPDT || 24 V 1325 Ω|| || || | | [[148-0043-00]] || DPDT || 24 V 1325 Ω|| || || | ||
|- | |- | ||
| 148-0043-01 || DPDT || 24 V | | 148-0043-01 || DPDT || 24 V 1325 Ω|| || || | ||
|- | |- | ||
| 148-0044-00 || DPDT || 12 V 425 Ω|| || || | | 148-0044-00 || DPDT || 12 V 425 Ω|| || || | ||
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| 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 | | 148-0088-00 || DPDT || 15 V 1 kΩ || [[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 || || | ||
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| 148-0107-04 || DPDT || || TO5 replacement for 148-0054-00 ([[7A13]]: K7,K27) || || | | 148-0107-04 || DPDT || || TO5 replacement for 148-0054-00 ([[7A13]]: K7,K27) || || | ||
|- | |- | ||
| | | 148-0140-00 || Actuator || || [[:Category:2400 series scopes|2400 series]] || || | ||
|- | |||
|} | |} | ||
''to be expanded'' | ''to be expanded'' | ||
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Tek 262 program card front.jpg | 11PST reed relay on [[262]] program cards (top right) | Tek 262 program card front.jpg | 11PST reed relay on [[262]] program cards (top right) | ||
maglatch.jpg | Mag Latch Relay (from 1987 catalog) | maglatch.jpg | Mag Latch Relay (from 1987 catalog) | ||
148-0140-00.jpg | 148-0140-00 | |||
148-0140-00 frame.jpg | Three 148-0140-00 in a frame | |||
</gallery> | </gallery> | ||
* [[7A29]] input protection relay | * [[7A29]] input protection relay | ||
Revision as of 07:26, 3 September 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), installing modern miniature gold-contact relays on top of the cut-off base or, if energizing the coil mechanically operates the relay, using a signal source to cycle the relay for a period of time.
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 |
|---|---|---|---|---|---|
| 108-0599-00 | SPST (reed) | 7T11: A3K31,A3K32,A3K70,A3K71,A3K80 | |||
| 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 7904(A) Opt. 2: K802,K805,K812,K815 |
AXICOM V23079-D2003-B301 (Ref. 2) Omron G6N, G6S |
|
| 148-0034-01 | DPDT | 15 V 600 Ω | 7A12: K7,K12,K15,K18 485: K879,K1242 |
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 |
Same pinout and coil data as 148-0050-00 | |
| 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 | SPDT | 15 V 600 Ω | 7A13: K10,K30 | 7A13 manual erroneously calls them 12V DC relays. Print on relay identifies them as polarized, but they are not. | |
| 148-0054-00 | SPDT+SPST | 15 V 600 Ω | 7A13: K7,K27 | ||
| 148-0055-00 | SPDT+SPST | 15 V 600 Ω | 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 1 kΩ | 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 148-0054-00 (7A13: K7,K27) | |||
| 148-0140-00 | Actuator | 2400 series |
to be expanded
References
- Repairing 7A13 relays @ PA4TIM (how to take relays apart, inside photos)
- 7A11 repair report at amplifier.cd
- Tek 7A13 broken relays @ IK1ZYW Labs
- "... used a function generator to actuate it for a few hours which restored proper operation."
Pictures
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148-0034-03 in 7A11
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148-0034-xx connections (bottom view)
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148-0034-00
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148-0034-00
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148-0034-02
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148-0034-02
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148-0034-03 bottom view
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148-0035-00 in 7A13
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148-0035-00
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148-0035-00
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148-0035-00
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148-0035-00
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148-0035-00 connections
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148-0050-00
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148-0050-00
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148-0050-00
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148-0050-00
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148-0035-00 vs. 148-0050-00
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148-0054-00
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148-0054-00
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148-0055-00
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148-0055-00
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148-0055-00
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148-0055-00
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148-0054-00 vs. 148-0055-00
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148-0107-04 TO-5 replacement relay
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replacement Omron G6 relay soldered onto Tek socket
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Two 148-0058-00 in the 7A11 probe
Other custom relays in Tek equipment
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108-0599-00 reed relays in 7T11
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Bi-stable relay yoke actuating contacts in 11A33 front-end (148-0204-00)
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148-0128-00 relay yoke
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11PST reed relay on 262 program cards
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11PST reed relay on 262 program cards (top right)
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Mag Latch Relay (from 1987 catalog)
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148-0140-00
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Three 148-0140-00 in a frame
- 7A29 input protection relay