Relays & Coax Switches Products

Features

Electromechanical relay portfolio spanning commercial, JAN-qualified, and space-grade products in TO-5 and Centigrid form factors from DC to 18 GHz
Coaxial switches from DC to 67 GHz with SPDT, transfer, multi-throw, and low-PIM options and connector choices from SMA through 2.4 mm
Military solid-state relays screened to MIL-PRF-28750 with DC, AC bi-directional, and silicon carbide MOSFET variants
Industrial solid-state relays for AC loads to 125 A / 690 Vac and DC loads to 150 A / 500 Vdc in single-phase, three-phase, dual, and quad output packages
Switch matrix assemblies with universal power supply, remote control via USB, Ethernet, RS-232, and GPIB, and RF port options from SMA to 2.4 mm
Custom hybrid microcircuit assembly certified to MIL-PRF-38534 Class H with full environmental stress screening and hermetic sealing

Benefits

One qualified supplier across seven switching technologies reduces program qualification overhead, vendor management, and supply chain risk
Fifty-plus years of unbroken space mission heritage from NASA's earliest programs through today's commercial satellite constellations
Vertically integrated US manufacturing delivers consistent lead times and quality traceability for defense and government contract requirements
RoHS 3 and REACH compliance across electromechanical relay, coaxial switch, and industrial SSR product lines simplifies regulatory documentation
AS/EN/JISQ9100:2009 and ISO 9001:2015 certification satisfies AS9100 supply chain requirements across aerospace and defense programs
24-hour application engineering response accelerates design-in decisions and shortens time from selection to qualification

Applications

Satellite payloads, launch vehicles, and deep-space probes requiring MIL and space-screened electromechanical relays and coaxial switches
Automated test equipment and ATE instrumentation requiring high-repeatability RF signal routing across wide frequency ranges
Defense electronics platforms including radar, electronic warfare, avionics, and communications requiring QPL-qualified components
Industrial motor control, HVAC, and power management systems requiring robust AC and DC solid-state relay switching
5G base stations, satcom ground systems, and telecom infrastructure requiring low-loss, high-isolation microwave switching
Custom defense programs requiring hybrid microcircuit assemblies qualified to MIL-PRF-38534 Class H

Specifications

Frequency range: DC to 67 GHz (coaxial switches); DC to 18 GHz (electromechanical RF relays); DC to 60 GHz (InP active RF switches)
Operating temperature: -55 degrees C to +125 degrees C for military and space products; -25 degrees C to +65 degrees C commercial coax switch baseline
Hermetic seal: 1 x 10-6 atm-cm3/s or better on sealed EMR and space-grade coax switch products
MIL qualifications: MIL-PRF-39016 and MIL-PRF-28776 (EMR); MIL-PRF-28750 (SSR); MIL-PRF-38534 Class H (hybrids)
Industrial SSR range: AC loads to 125 A / 690 Vac; DC loads to 150 A / 500 Vdc
Switch matrix cycle life: Up to 5 million cycles on standard coaxial switch matrix sub-assemblies

Frequently Asked Questions -- Teledyne Relays & Coax Switches Products

What types of relays does Teledyne Relays & Coax Switches offer?

The product line includes electromechanical relays, RF and signal integrity relays, and solid-state relays
Electromechanical variants span Established Reliability, High Performance, Commercial, and RF and Signal Integrity families
Contact configurations include SPDT, DPDT, non-latching, magnetic-latching, loopback, and attenuator types
Packages include Centigrid, TO-5, Crystal Can, Extended-Centigrid, and SMT variants

What military qualification standards apply to these relay products?

The Established Reliability and Military relay family is qualified to MIL-PRF-39016
The Crystal Can model 255/J255 includes a variant qualified to MIL-PRF-39016/45
Mil-spec qualification reduces program risk during defense system integration and procurement
Always verify the specific qualification status of the model number required for your program

What is the difference between non-latching and magnetic-latching relays?

Non-latching relays require continuous coil current to hold the contact in the actuated position
Magnetic-latching relays use a permanent magnet to hold the contact position without continuous current
Latching relays reduce steady-state power consumption and are preferred in battery-powered or power-constrained systems
Both types are available in Centigrid, TO-5, and SMT package options

What RF bandwidth and data rate performance do the RF relays support?

The GRF131 supports bandwidth to 18 GHz and signal integrity to 40 Gbps
The RF131 covers DC to 12 GHz with 20 Gbps signal integrity performance
RF300, GRF300, SRF300, and SGRF300 series support DC to 6 GHz with up to 18 Gbps
Loopback relays LB363, GLB363, and SGLB363 cover DC to 6 GHz at 16 Gbps

What are the available mounting configurations for these relays?

Through-hole (TH) mounting is available across Centigrid, TO-5, Crystal Can, and Extended-Centigrid packages
SMT straight-lead (SMT-SL) is available for GRF series and loopback relay variants
SMT J-lead (SMT-J) configurations are available for SRF300, SGRF300, SGRF312, and SGLB363 series
SMT-J and SMT Centigrid variants are available for commercial relay families S114, S134, S172, and S422

What options are available for coil protection and driver compatibility?

Coil transient suppression diode options (suffix D) are available on most standard electromechanical relay models
Diode plus reverse polarity protection (suffix DD) is available on selected Centigrid and TO-5 models
Transistor driver options (suffix T or TN) are available on select TO-5 models including the 411, 412, and 732 series
CMOS driver built-in variants (suffix C) are available on 116C, 136C, and 122C models

What applications are the loopback relay models designed for?

Loopback relays are designed for built-in test, signal path verification, and ATE signal routing
The double-DPDT configuration allows a single component to route signals and create loopback test paths
LB363 (TH), GLB363 (SMT straight-lead), and SGLB363 (SMT J-lead) cover the loopback relay family
All loopback models support DC to 6 GHz bandwidth with 16 Gbps signal integrity and 1A / 28Vdc resistive load

What high-performance relay variants are available for extreme environments?

High-temperature variants (412H, 422H, 432H) are available in TO-5 hermetic packages
High-shock variants (412K, 422K, 412KH, 422KH) address structural qualification requirements
High-vibration variants (412V, 412DV) are available for launch, naval, and ground mobility applications
Combined high-shock and high-temperature variants (412KH, 422KH) are available for the most demanding environments

How do the attenuator relay models function?

Attenuator relays integrate a fixed RF attenuator into the relay switching element within a hermetic package
Models A150 and A152 are through-hole Extended-Centigrid packages with DC to 3 GHz and DC to 5 GHz bandwidths respectively
The GA152 is the SMT straight-lead equivalent of the A152, covering DC to 5 GHz
These are used in precision test and measurement signal conditioning and calibration switching applications

What is the contact load rating for the standard electromechanical relay series?

Standard Centigrid and TO-5 relay series are rated at 1A / 28Vdc resistive, 200mA / 28Vdc inductive at 320mH
Lamp load rating is 100mA / 28Vdc for standard TO-5 and Centigrid families
The Crystal Can series 255/J255 is rated at 2A / 28Vdc resistive, 750mA / 28Vdc inductive at 320mH
RF relay contact ratings are model-specific; RF180 and GRF180 are rated at 0.25A / 28Vdc

Teledyne Relays and Coax Switches ProductsTeledyne Relays and Coax Switches Products are hermetically sealed electromechanical relays, RF switching relays, solid-state relays, and coaxial switches manufactured by Teledyne Relays and Coax Switches for aerospace, defense, test and measurement, and high-reliability electronics applications.

Teledyne Relays and Coax Switches offers products for aerospace, defense, telecom, and instrumentation markets. Key capabilities include hermetically sealed relay packaging, military qualification to MIL-PRF-39016, and RF relay performance from DC to 18 GHz at up to 40 Gbps.

RF Bandwidth: DC to 18 GHz (GRF131); DC to 12 GHz (RF131); DC to 8 GHz (RF312 series); DC to 6 GHz (RF300 series, LB363 series)
Signal Data Rate: Up to 40 Gbps (GRF131); up to 18 Gbps (SRF300 / GRF300 series); 16 Gbps (LB363 loopback series)
Contact Load (Standard): 1A / 28Vdc resistive; 200mA / 28Vdc inductive at 320mH
Contact Load (Crystal Can 255/J255): 2A / 28Vdc resistive; 750mA / 28Vdc inductive at 320mH
Package Types: Centigrid, TO-5, Crystal Can, Extended-Centigrid, SMT Centigrid, SMT TO-5
Military Qualification: MIL-PRF-39016 (Established Reliability series); MIL-PRF-39016/45 (J255 variant)

Teledyne Relays and Coax Switches Products are used in military avionics switching, automated test equipment signal routing, space and satellite signal path switching, defense ground and naval systems, telecom infrastructure, and built-in test loopback systems.

114 -- Centigrid DPDT Non-Latching Established Reliability Relay

Hermetically sealed through-hole Centigrid, DPDT non-latching, 1A/28Vdc resistive, 200mA/28Vdc inductive.

114D: Coil transient suppression diode114DD: Diode + reverse polarity protection

116C -- Centigrid DPDT Non-Latching Relay with CMOS Driver

Centigrid through-hole, DPDT non-latching, built-in coil transient suppression diode and CMOS driver, 1A/28Vdc.

134 -- Centigrid DPDT Non-Latching Low-Power Relay

Centigrid through-hole, DPDT non-latching, low-power coil, 1A/28Vdc resistive.

134D: Coil transient suppression diode134DD: Diode + reverse polarity protection

136C -- Centigrid DPDT Non-Latching Low-Power Relay with CMOS Driver

Centigrid through-hole, DPDT non-latching, low-power coil, built-in transient suppression diode and CMOS driver.

411 -- TO-5 SPDT Non-Latching Established Reliability Relay

TO-5 through-hole, SPDT non-latching, 1A/28Vdc resistive.

411D: Transient diode411DD: Diode + reverse polarity411T: Diode + transistor driver

412 -- TO-5 DPDT Non-Latching Established Reliability Relay

TO-5 through-hole, DPDT non-latching, 1A/28Vdc resistive.

412D: Transient diode412DD: Diode + reverse polarity412T: Diode + transistor driver

421 -- TO-5 SPDT Magnetic-Latching Established Reliability Relay

TO-5 through-hole, SPDT magnetic-latching, 1A/28Vdc resistive.

421D: Transient diode421DD: Diode + reverse polarity

420/422 -- TO-5 DPDT Magnetic-Latching Established Reliability Relay

TO-5 through-hole, DPDT magnetic-latching, 1A/28Vdc resistive.

420D/422D: Transient diode420DD/422DD: Diode + reverse polarity

431 -- TO-5 SPDT Non-Latching Low-Power Relay

TO-5 through-hole, SPDT non-latching, low-power coil, 1A/28Vdc resistive.

431D: Transient diode431DD: Diode + reverse polarity431T: Diode + transistor driver

432 -- TO-5 DPDT Non-Latching Low-Power Relay

TO-5 through-hole, DPDT non-latching, low-power coil, 1A/28Vdc resistive.

432D: Transient diode432DD: Diode + reverse polarity432T: Diode + transistor driver

255/J255 -- Crystal Can DPDT Magnetic-Latching Relay

Crystal Can through-hole, DPDT magnetic-latching, 2A/28Vdc resistive, 750mA/28Vdc inductive.

J255: Qualified to MIL-PRF-39016/45

412H/422H/432H -- TO-5 High-Temperature Relay

TO-5 through-hole, DPDT high-temperature variants, 1A/28Vdc resistive.

412H: High-temp non-latching422H: High-temp magnetic-latching432H: High-temp non-latching low-power

412K/422K -- TO-5 High-Shock Relay

TO-5 through-hole, DPDT high-shock, 1A/28Vdc resistive.

412K: Non-latching422K: Magnetic-latching

412V/412DV -- TO-5 High-Vibration Relay

TO-5 through-hole, DPDT non-latching, high-vibration rated, 1A/28Vdc resistive.

412KH/422KH -- TO-5 High-Shock and High-Temperature Relay

TO-5 through-hole, DPDT combined high-shock and high-temperature, 1A/28Vdc resistive.

122C -- Commercial Centigrid DPDT Magnetic-Latching Relay

Centigrid through-hole, DPDT magnetic-latching, built-in coil transient protection diode, CMOS compatible, 1A/28Vdc.

172 -- Commercial Centigrid DPDT Non-Latching Relay

Centigrid through-hole, DPDT non-latching, 1A/28Vdc resistive.

172D: Coil transient suppression diode

712 -- Commercial TO-5 DPDT Non-Latching Relay

TO-5 through-hole, DPDT non-latching, 1A/28Vdc resistive.

712D: Transient diode712TN: Transient diode + transistor driver

722 -- Commercial TO-5 DPDT Magnetic-Latching Relay

TO-5 through-hole, DPDT magnetic-latching, low-power coil, 1A/28Vdc resistive.

732 -- Commercial TO-5 DPDT Non-Latching Low-Power Relay

TO-5 through-hole, DPDT non-latching, low-power coil, 1A/28Vdc resistive.

732D: Transient diode732TN: Transient diode + transistor driver

S114 -- SMT Centigrid DPDT Non-Latching Commercial Relay

Centigrid SMT-J, DPDT non-latching, 1A/28Vdc resistive.

S114D: Transient diodeS114DD: Diode + reverse polarity

S134 -- SMT Centigrid DPDT Non-Latching Commercial Relay

Centigrid SMT-J, DPDT non-latching, 1A/28Vdc resistive.

S134D: Transient diodeS134DD: Diode + reverse polarity

S172 -- SMT Centigrid DPDT Non-Latching Commercial Relay

Centigrid SMT-J, DPDT non-latching, 1A/28Vdc resistive.

S172D: Transient diode

S422 -- SMT TO-5 DPDT Magnetic-Latching Commercial Relay

TO-5 SMT-J, DPDT magnetic-latching, 1A/28Vdc resistive.

S422D: Transient diodeS422DD: Polarity protection diode

RF131 -- Extended-Centigrid SPDT RF Relay, DC to 12 GHz, 20 Gbps

Extended-Centigrid through-hole, SPDT non-latching, DC to 12 GHz, 20 Gbps signal integrity.

GRF131 -- Extended-Centigrid SMT SPDT RF Relay, DC to 18 GHz, 40 Gbps

Extended-Centigrid SMT straight-lead, SPDT non-latching, DC to 18 GHz, 40 Gbps signal integrity.

RF121/RF121R -- SPDT Magnetic-Latching RF Relay, Grounded Contacts, DC to 12 GHz

Extended-Centigrid through-hole, SPDT magnetic-latching, grounded contacts, DC to 12 GHz, 20 Gbps, 0.25A/28Vdc.

RF121: Common coil negativeRF121R: Common coil positive

RF121A/RF121AR -- SPDT Magnetic-Latching RF Relay, Ungrounded Contacts, DC to 12 GHz

Extended-Centigrid through-hole, SPDT magnetic-latching, ungrounded contacts, DC to 12 GHz, 20 Gbps, 0.25A/28Vdc.

GRF121/GRF121R -- SMT SPDT Magnetic-Latching RF Relay, Grounded Contacts, DC to 18 GHz

Extended-Centigrid SMT, SPDT magnetic-latching, grounded contacts, DC to 18 GHz, 40 Gbps, 0.25A/28Vdc.

GRF121A/GRF121AR -- SMT SPDT Magnetic-Latching RF Relay, Ungrounded Contacts, DC to 18 GHz

Extended-Centigrid SMT, SPDT magnetic-latching, ungrounded contacts, DC to 18 GHz, 40 Gbps, 0.25A/28Vdc.

RF180 -- Centigrid DPDT Magnetic-Latching RF Relay, DC to 6 GHz

Centigrid through-hole, DPDT magnetic-latching, DC to 6 GHz, 0.25A/28Vdc.

GRF180 -- Centigrid SMT DPDT Magnetic-Latching RF Relay, DC to 6 GHz

Centigrid SMT straight-lead, DPDT magnetic-latching, DC to 6 GHz, 0.25A/28Vdc.

RF700/RF703 -- TO-5 DPDT Non-Latching RF Relay, DC to 4 GHz

TO-5 through-hole, DPDT non-latching, DC to 4 GHz, high IL repeatability, 1A/28Vdc.

RF703: Low power coil

GRF700/GRF703 -- TO-5 SMT Straight-Lead DPDT Non-Latching RF Relay, DC to 5 GHz

TO-5 SMT straight-lead, DPDT non-latching, DC to 5 GHz, high IL repeatability, 1A/28Vdc.

GRF703: Low power coil

GRF172 -- Centigrid SMT DPDT Non-Latching RF Relay, DC to 2.5 GHz

Centigrid SMT straight-lead, DPDT non-latching, DC to 2.5 GHz, 1A/28Vdc.

GRF172D: Transient protection diode

RF100/RF103 -- Centigrid Through-Hole DPDT Non-Latching RF Relay, DC to 3 GHz

Centigrid through-hole, DPDT non-latching, DC to 3 GHz, high IL repeatability.

RF103: Low power coil

GRF100/GRF103 -- Centigrid SMT Straight-Lead DPDT Non-Latching RF Relay, DC to 6 GHz

Centigrid SMT straight-lead, DPDT non-latching, DC to 6 GHz, high IL repeatability.

GRF103: Low power coil

SGRF100/SGRF103 -- Centigrid SMT J-Lead DPDT Non-Latching RF Relay, DC to 6 GHz

Centigrid SMT J-lead, DPDT non-latching, DC to 6 GHz, high IL repeatability.

SGRF103: Low power coil

RF300/RF303 -- TO-5 DPDT Non-Latching RF Relay, DC to 3 GHz, 10 Gbps

TO-5 through-hole, DPDT non-latching, DC to 3 GHz, 10 Gbps, 1A/28Vdc.

RF300D, RF300DD, RF303, RF303D, RF303DD

SRF300/SRF303 -- TO-5 SMT J-Lead DPDT Non-Latching RF Relay, DC to 6 GHz, 18 Gbps

TO-5 SMT J-lead, DPDT non-latching, DC to 6 GHz, 18 Gbps, 1A/28Vdc.

GRF300/GRF303 -- TO-5 SMT Straight-Lead DPDT Non-Latching RF Relay, DC to 6 GHz, 18 Gbps

TO-5 SMT straight-lead, DPDT non-latching, DC to 6 GHz, 18 Gbps, 1A/28Vdc.

GRF300D, GRF300DD, GRF303, GRF303D, GRF303DD

SGRF300/SGRF303 -- TO-5 SMT J-Lead (J2) DPDT Non-Latching RF Relay, DC to 6 GHz, 18 Gbps

TO-5 SMT J-lead (J2), DPDT non-latching, DC to 6 GHz, 18 Gbps, 1A/28Vdc.

RF312 -- TO-5 DPDT Non-Latching RF Relay, DC to 8 GHz

TO-5 through-hole, DPDT non-latching, DC to 8 GHz, 1A/28Vdc.

GRF312 -- TO-5 SMT Straight-Lead DPDT Non-Latching RF Relay, DC to 8 GHz

TO-5 SMT straight-lead, DPDT non-latching, DC to 8 GHz, 1A/28Vdc.

SGRF312 -- TO-5 SMT J-Lead (J2) DPDT Non-Latching RF Relay, DC to 8 GHz

TO-5 SMT J-lead (J2), DPDT non-latching, DC to 8 GHz, 1A/28Vdc.

LB363 -- Extended-TO-5 Through-Hole Double-DPDT Loopback Relay, DC to 6 GHz

Extended-TO-5 through-hole, double-DPDT loopback, DC to 6 GHz, 16 Gbps, 1A/28Vdc.

GLB363 -- Extended-TO-5 SMT Straight-Lead Double-DPDT Loopback Relay, DC to 6 GHz

Extended-TO-5 SMT straight-lead, double-DPDT loopback, DC to 6 GHz, 16 Gbps, 1A/28Vdc.

SGLB363 -- Extended-TO-5 SMT J-Lead Double-DPDT Loopback Relay, DC to 6 GHz

Extended-TO-5 SMT J-lead, double-DPDT loopback, DC to 6 GHz, 16 Gbps, 1A/28Vdc.

A150 -- Extended-Centigrid Attenuator Relay, DC to 3 GHz

Extended-Centigrid through-hole attenuator relay, DC to 3 GHz.

A152 -- Extended-Centigrid Attenuator Relay, DC to 5 GHz

Extended-Centigrid through-hole attenuator relay, DC to 5 GHz.

GA152 -- Extended-Centigrid SMT Straight-Lead Attenuator Relay, DC to 5 GHz

Extended-Centigrid SMT straight-lead attenuator relay, DC to 5 GHz.