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RF Relays with Type "SMA" Connectors
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Transco model 82152-919C72600
Transco SPDT RF relays, failsafe type (with one normally closed position) WITH INDICATING CONTACTS! This "most desirable" series is rated DC-18 Ghz, with 28vdc coil. With five control terminals, labeled with terminal number. # 1 is coil (-), # 2 is coil (+), # 3 is common terminal of indicating contacts, # 4 is normally closed terminal of indicating contacts, # 5 is normally open terminal of indicating contacts. Removed from sealed military equipment, like new, guaranteed.
Sorry, this item is sold ONLY to the 50 US states. No exports at all on this item. Please do not ask.
Our stock # RLY-SMA-68 Price: $59.00 each (Order Now!) |
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Amphenol p/n 303-10179-61
This Amphenol relay has same ratings and features as Transco type 82152-919C72600, and is used interchangeably with that type. SPDT RF relays, failsafe type (with one normally closed position) WITH INDICATING CONTACTS! This "most desirable" series is rated DC-18 Ghz, with 28vdc coil. With five control terminals, labeled with terminal number. # 1 is coil (-), # 2 is coil (+), # 3 is common terminal of indicating contacts, # 4 is normally closed terminal of indicating contacts, # 5 is normally open terminal of indicating contacts. Removed from sealed military equipment, like new, guaranteed.
Sorry, this item is sold ONLY to the 50 US states. No exports at all on this item. Please do not ask.
Our stock # RLY-SMA-69 Price: $59.00 each (Order Now!) |
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RLC Electronics model S-4025
This RLC Electronics relay has same ratings and features as Transco type 82152-919C72600, and is used interchangeably with that type. SPDT RF relays, failsafe type (with one normally closed position) WITH INDICATING CONTACTS! This "most desirable" series is rated DC-18 Ghz, with 28vdc coil. With five control terminals, labeled with terminal number. # 1 is coil (-), # 2 is coil (+), # 3 is common terminal of indicating contacts, # 4 is normally closed terminal of indicating contacts, # 5 is normally open terminal of indicating contacts. Removed from sealed military equipment, like new, guaranteed.
Our stock # RLY-SMA-71 Price: $59.00 each (Order Now!) |
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Dynatech/U-Z Inc. , Trans-Tel Products model D3-418B3S
This Dynatech/U-Z, Inc., relay has same ratings and features as Transco type 82152-919C72600, and is used interchangeably with that type. SPDT RF relays, failsafe type (with one normally closed position) WITH INDICATING CONTACTS! This "most desirable" series is rated DC-18 Ghz, with 28vdc coil. With five control terminals, labeled with terminal number. # 1 is coil (-), # 2 is coil (+), # 3 is common terminal of indicating contacts, # 4 is normally closed terminal of indicating contacts, # 5 is normally open terminal of indicating contacts. Removed from sealed military equipment, like new, guaranteed.
Our stock # RLY-SMA-72 Price: $59.00 each (Order Now!) |
RLC Electronics RF Coaxial Switch, model S-2311
We have large quantities available of this mil-spec coaxial switch made by RLC Electronics of 83 Radio Circle, Mt. Kisco, NY. 10549.
The model S-2311 is SPDT (single pole, double throw) and as shown in the accompanying photo, both outputs are normally closed.
The relay has two 26 vdc coils (each pulls about .17 amp). Energizing either or both of these coils opens its associated contact, and disconnects its associated SMA output from the common (center) SMA input. The coil or coils must be kept energized for their associated
SMA to be disconnected from the common. (This is not a latching type relay.)
The relays weigh 2 ounces each, and measure 1.25 inches wide, 1/2 inch thick, and 2.125 inches long overall, including the coil terminal posts and the SMA connectors. Relay is rated from DC to 18 Ghz! Rated for 1,000,000 operations.
Specifications found on the RLC website for this series are:
DC-4 Ghz 4 - 12.4 Ghz 12.4 - 18 Ghz
Insertion loss
(max db) 0.1 0.2 0.3
VSWR max 1.2:1 1.3:1 1.5:1
Isolation min 80 db 70 db 60 db
Power ratings: 900w @ 1 mhz., 300w @ 1 Ghz., 200w @ 3 Ghz., 125w @ 12.4 Ghz., 75w @ 18 Ghz.
Removed from military equipment, checked, guaranteed.
Price: $29 each, or 10+ @ $25 each! STOCK # RLY-SMA-06A (Order Now!)
Transco SPDT - SMA - DC to 18 Ghz.
We have a large quantity of these excellent Transco SPDT RF relays for sale. Nomenclature is as follows:
SWITCH-RF XMSN LINE
SPDT FAILSAFE 28 VDC
PN 82152-919C70100
Made for the military by Transco Products, Inc. of Marina Del Rey, Calif., (now owned by Dow Key Microwave) the relays have SMA female connectors and 28 VDC coil. We understand the ratings to be 50 watts @ 18 Ghz., and 500 watts @ 100 Mhz. Isolation specs are 100 db @ 10 Mhz., 80 db @ 18 Ghz. Typical insertion loss is 0.3 db. These relays are in beautiful condition, removed from "like new" military equipment, and absolutely guaranteed to your satisfaction.
Our stock number: RLY-SMA-02
Price: $39 (10+ price = $35 each) (Order Now!) |


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Transco SPDT SMA relay. (Click on the links or below to view the pictures. )
- Transco part # 82152-909C70100
SPDT, latching, 28 vdc coils. Removed from equipment, checked.
Our stock # RLY-SMA-03 Price: $59
- Transco part # 82152-919C74700
SPDT failsafe, 28 vdc coil. Removed from equipment, checked.
Our stock # RLY-SMA-04 Price: $49
- Transco part # 82152-919C73600
SPDT failsafe, 28 vdc coil. Removed from equipment, checked.
Our stock # RLY-SMA-05 Price $49
- Transco part # 82152-909C70500
SPDT latching, 28 vdc coils, Removed from equipment, checked.
Our stock # RLY-SMA-07 Price: $59
- Transco part # 82152-909C73000
SPDT latching, 18 vdc coils , Removed from equipment, checked.
Our stock # RLY-SMA-08 Price: $59
- Transco part # 82152-919C71200
SPDT failsafe, 115 v, 400 hz coil , Removed from equipment, checked.
Our stock # RLY-SMA-09 Price: $59
- Transco part # 82152-811C70500
SPDT SMA relay, failsafe. Also marked: Customer PN AIL 230193. Very unusual configuration. Length 2.75 inches, width 1.3 ihches, height 1.5 inches, including SMA connectors. Removed from equipment, checked, like new. Our stock # RLY-SMA-56 Price: $69
- Transco part # 82152-910C71200
SPDT, failsafe with indicating contacts, 28 vdc coil. Similar to MBF model 1503-1-4I. 1.75" W X 5/8" thick X 2 3/8" long. Our stock # RLY-SMA-80 Price each: $69
Dynatech SPDT SMA relay. (Click on the links or below to view the pictures. )
- Dynatech model D1-413A009
SPDT, DC-18 ghz, 28 vdc coil, removed from equipment, checked.
Our stock # RLY-SMA-10 Price: $49
- Dynatech model D3-413A3-B
SPDT, DC-18 Ghz, 28 vdc coil, removed from equipment, checked.
Our stock # RLY-SMA-13 Price: $49
- Dynatech model D3-413A006
SPDT, DC-18 Ghz, 28 vdc coil, removed from equipment, checked.
Our stock # RLY-SMA-14 Price: $49
- Dynatech model D3-413A30 SPDT, DC-18 ghz, 28 vdc coil, removed from equipment, checked.
Our stock # RLY-SMA-15 Price: $49
- Dynatech model D3-413A3-B
SPDT, DC-18 Ghz, 28 vdc coil, removed from equipment, checked.
Our stock # RLY-SMA-17 Price: $49
- Dynatech model D1-413A002-C
SPDT, NSN 5985-01-208-6398, 28 vdc coil, removed from equipment, checked. Our stock # RLY-SMA-18 Price: $49
- Dynatech model D3-413A3
SPDT, DC-18 ghz, 28 vdc coil, removed from equipment, checked.
Our stock # RLY-SMA-19 Price: $49
- Dynatech model D1-413E1-7
SPDT latching, with indicating contacts, DC-18 Ghz, 24 vdc coils,
Our stock # RLY-SMA-21 Price: $59
- Dynatech model D1-413M30LT
DC-18 Ghz. 28 vdc coil, Unused, old stock.
Our stock # RLY-SMA-22 Price $99
RLC Electronics SMA relay. (Click on the links or below to view the pictures. )
- RLC Electronics model S-4379
SPDT, 28 vdc coil, removed from equipment, checked.
Our stock # RLY-SMA-23 Price: $39
- RLC Electronics model S-4964
SPDT, removed from equipment, checked.
Our stock # RLY-SMA-24 Price: $49
- RLC Electronics model S-4424
SPDT, UNUSED, old stock.
Our stock # RLY-SMA-25 Price: $69
- RLC Electronics model 12598-S-4044
SPDT, 28 vdc coil, removed from equipment, checked.
Our stock # RLY-SMA-27 Price: $69
- RLC Electronics model S-2788
SPDT, failsafe type, 28 vdc coil. removed from equipment, checked.
Our stock # RLY-SMA-60 Price: $49
Teledyne Microwave SMA relay. (Click on the links or below to view the pictures. )
- Teledyne Microwave model CS-33S6D
SPDT, latching. 28 vdc coils, removed from equipment, checked.
Our stock # RLY-SMA-28 Price: $49
- Teledyne Microwave model CS33010-10
SPDT, latching. 24-30 vdc coils. Removed from equipment, checked.
Our stock # RLY-SMA-29 Price: $49
- Teledyne Microwave model CR-33S10
SPDT, 24-30 vdc coil, removed from equipment, checked.
Our stock # RLY-SMA-31 Price: $39
- Teledyne Microwave model CS-33S10-10
SPDT, 28 vdc coil, removed from equipment, checked.
- Our stock # RLY-SMA-32 Price: $39
- Teledyne Microwave model CS33S10-T
SPDT, 24-30 vdc coils, with indicating contacts. Removed from equipment, checked.
Our stock # RLY-SMA-33 Price: $69
- Teledyne Microwave model CS37S10-6
Transfer type, 28 vdc coil. Removed from equipment, guaranteed.
Our stock # RLY-SMA-64 Price each: $39
SMA RF relays, miscellaneous manufacturers (Click on the links or below to view the pictures. )
- DB Products model 2SF2101
SPDT, 28 vdc coil, removed from equipment, checked.
Our stock # RLY-SMA-34 Price: $49
- Jay-El Model T4-413X2-1 A
Transfer relays, 28 VDC coil, with indicating contacts. Diagram on relays. DC-12.4 Ghz. NSN 5985-01-091-0726
Our stock # RLY-SMA-45 Price: $69
- Jay-El DMT Division, Model D1-413M300LT A
SPDT, DC-18 Ghz, 28 vdc coil.
Our stock # RLY-SMA-47 Price : $79
- Micronetics, Inc. Model RSM-2D-TTL
SPDT, 28vdc coil. Removed from equipment.
Our stock # RLY-SMA-48 Price: $59
- K&L Model MS-13008, Rev. F
SPDT, Removed from equipment, guaranteed.
Our stock # RLY-SMA-51 Price: $49
- Dynatech / U-Z Inc., Trans-Tel Products Model T4-413X21
SPDT, 28vdc coil Transfer type. DC-12.4 Ghz.
Our stock # RLY-SMA-52 Price: $59
- DB Products, Inc. model 2SF2001A
SPDT, 28 vdc coil. Failsafe type. Removed from equipment, checked.
Our stock # RLY-SMA-59 Price: $59
- Trans-Tel Division of U-Z Mfg model D1413E2
SPDT, 28 vdc coil, DC-12 Ghz., Removed from equipment, checked.
Our stock # RLY-SMA-50 Price: $49
- DB Products, Inc. model 2SF2001
SPDT, 28vdc coil. Removed from equipment, checked.
Our stock # RLY-SMA-82 Price: $49
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Dynatech Microwave model MT6-S10-11B-3
SP6T, SMA 28 vdc coils, with power input connector supplied. Judging by # of conductors, these probably have indicating contacts, but we have no hook-up data. Removed from equipment, checked, ex tr a clean. 2 inches in diameter.
Refer to our stock # RLY-SMA-38 . Price: $59 (Order Now!) |
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Teledyne Microwave model CS37S6E-T
SMA transfer relays, 24-30 vdc coil, with indicating contacts. Removed from equipment, checked.
Refer to our stock # RLY-SMA-41 Price: $59 (Order Now!) |
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Transco P/N 700C70400
SMA transfer relay with indicating contacts. 115 VAC coil . Unused, old stock.
Refer to our stock # Price RLY-SMA-42 Price: $79 (Order Now!) |

(click to enlarge)
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HP model 8761B opt. 555
Rated DC-18 Ghz, 24-30 vdc coil. SMA female connectors. May have either gold plated or stainless SMA's. (The option 555 is the SMA connector option) Removed from equipment, checked.
Refer to our stock # RLY-SMA-43 Price : $69 ( Order Now! ) |
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Transco part number 707C70500 latching transfer relay
These Transco latching RF transfer relays have two 26 vdc coils. Pulse one coil to latch in one position, pulse other coil to latch in alternate position. With SMA female connectors. Removed from military equipment, guaranteed.
Refer to our stock # RLY-SMA-74 Price each: $59.00 (Order Now!) |
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Transco P/N 82152-717C70700-2
SMA transfer relay. 28 vdc coil. Removed from equipment, excellent, guaranteed.
Refer to our stock # Price RLY-SMA-44 Price: $49 ( Order Now! ) |
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SPDT RF relays by Teledyne, Plessey, and Dow Key
These unusual SPDT relays feature SMA female connectors, and 26 vdc coils, (125 ma nominal) . All three types were used interchangeably in the same military equipment, and should have similar characteristics and ratings. All three types weigh 3.5 ounces (100 grams), and measurements, including connectors, are 1.625 inches long X 1.44 inches deep X 1.31 inches tall. Dow Key part number is 150-104. Teledyne part number is 134295-1. Plessey Connector Division, Inc of Commack , NY part # is 33CSA1/2-215. Code ident 94375. Marked with customer part # 134295-1. National Item Identification Numbers are: 00-975-3502, 009753502, 985-00-975-3502, and 5985009753502. If you have a manufacturer preference, please state when ordering.
Order our stock # RLY-SMA- 73 Price each: $29.00 (EXCELLENT buy!)
(Order Now!) |
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Daico Industries, Inc. model CDS0624 SP4T
The Daico model CDS0624 is a compact 4 position (SP4T) relay with SMA female connectors. Actuation voltage is 5 vdc. (17.5 ma typical) These are PIN diode types, which are EXTREMEMY fast, (typically 1.52 MICROSECONDS) but usable only for very, very low power levels. Complete data sheet can be viewed here: http://www.datasheetarchive.com/pdf-datasheets/Datasheets-8/DSA-148243.html as a .pdf file. (Click on .pdf icon on left, labeled as 29 kb., 1 page.)
50 ohms impedance. Rated 20-2000 mhz., 60 db isolation to 1 Ghz. TTL driver. Non-reflective. Top quality, gold plated body. Removed from military equipment. Excellent / guaranteed.
Packing documents listed original cost of this relay at over $1600.00 each.
Refer to our stock number: RLY-SMA-76 Price each: $59.00 (Order Now!) |
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Daico Industries, Inc. model CDS0623 SP3T
The Daico model CDS0623 is a compact 3 position (SP3T) relay with SMA female connectors. Actuation voltage is 5 vdc. (13 ma typical) These are PIN diode types, which are EXTREMEMY fast, (typically 1.6 MICROSECONDS) but usable only for very, very low power levels. Complete data sheet can be viewed here: http://www.datasheetarchive.com/pdf-datasheets/Datasheets-8/DSA-148192.html as a .pdf file. (Click on .pdf icon on left, labeled as 39.57 kb., 1 page.)
50 ohms impedance. Rated 20-2000 mhz., 60 db isolation to 1 Ghz. TTL driver. Non-reflective. Top quality, gold plated body. Removed from military equipment. Excellent / guaranteed.
Refer to our stock number: RLY-SMA-77 Price each: $55.00 (Order Now!)
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Transco P/N 710C70200 latching, TRANSFER type RF relay with position indicating contacts. This relay has type SMA female connectors. 50 ohms. In one position, connector #1 is connected to connector #2, and at the same time, connector #3 is connected to connector #4.

When the position is changed by pulsing the other coil, connector #1 is connected to connector # 3, and at the same time, connector # 2 is connected to connector # 4. See diagram in photo . This version has POSITION INDICATING CONTACTS for easy remote indication of the switched state of the relay! This relay has two 28 vdc coils, each coil is pulsed to change the state of the relay. The state latches into place and does not change until the opposite coil is pulsed. Coils should be pulsed only, and not left with power applied.
These (failsafe) relays are similar to the manufacturer's (Dow-Key / Transco) new 411 series.
Data sheet for the 411 series is here:
http://www.dowkey.com/product/5/rf_switches_relays_411_failsafe_411_230832.php
And in more detail, as a .pdf file, here:
http://www.dowkey.com/_pseries_attach/_plk43_1_411ca.pdf
Ratings DC-18 Ghz, 60 db minimum isolation at 18 Ghz., 75 db at 1 Ghz. 1.5:1 SWR at 18 Ghz., and 1.25:1 at 4 Ghz! Rated 25 watts at 18 Ghz, and 200 watts at 100 Mhz. Has terminals for easy coil connections. For measurements, see data sheets on links above. Condition is removed from military equipment, guaranteed.
Sorry, this item is sold ONLY to the 50 US states. No exports at all on this item. Please do not ask.
Our stock # RLY-SMA-11 Price: $59 (Order Now!)
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K&L Model 9MPT-28-L-O-I-TTL-ITP
9 position, latching TTL logic relay with indicating contacts
We have ONE ONLY of these 9 position latching TTL logic relays, with indicating contacts. K&L model number is 9MPT-28-L-O-I-TTL-ITP. Removed from military equipment, someone has made notations of terminals on rear of this relay for easy reference. 28 vdc operation. Again, this is a TTL relay. If you are not very aware of what that is, you probably don't need it. With SMA female connectors. Mounting plate measures 3.25 inches X 3.5 inches. Body is 3 inches diameter. Length overall is 3.5 inches.
Refer to our stock # RLY-SMA-79
Price: $99.00 (Only one available)
(Order Now!) |
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SMA transfer SWITCH (not relay) with indicating contacts
Logus Manufacturing Corp. model SM-A-952389-1 (also referenced as LOC-224BMTX13) is a mil-spec manually-operated switch (has 1/4" diameter flatted shaft, 2 inches long) in the TRANSFER configuration. It also features auxiliary SPDT contact terminals, ideal for remote indication of position. With SMA female connectors. Both sides of square base plate (1.625" X 1.625" have drilled and tapped holes for mounting. Maximum length 4 inches, including shaft. Manufacturer's website is here: http://www.logusmicrowave.com/main.html This must be a VERY high-end switch! Removed from equipment, excellent. guaranteed.
Sorry, this item is sold ONLY to the 50 US states. No exports at all on this item. Please do not ask.
Our stock # RLY-SMA-12 / MAN Price: $79 each (Order Now!) |
Ordering:
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Visa and Mastercard accepted! 
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