High Frequency & RF Relays

High frequency and RF (radio frequency) relaysutilise radio signals to perform switching functions. These relays are found in lots of applications, including computers, testing equipment and radio broadcast systems. They're needed to handle the high voltages that often come with high frequencies, which standard relays couldn't manage.

What are high frequency and RF relays used for?

The frequencies used in electronic devices are continually increasing and high-frequency relaysprovide a way to isolate circuits in a high-frequency environment. High-frequency relays can be used in any application where an electronic signal is being produced at a very high frequency. This includes communications equipment, as well as computers and industrial machinery.

RF relaysare specifically used in radio applications, often in testing equipment as well as radio broadcasting devices. RF relays are essential in activating the separate circuit systems in radios that are used for transmitting and receiving.

Types of high frequency and RF relays

High frequency and RF relays can be built with special features. For instance, they can be made flux resistant, immersion cleanable, wash tight or designed for low power consumption. Solid-state versions of these relays are also available.


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Description Price Maximum Coil Frequency Coil Resistance Contact Resistance Insertion Loss Isolation VSWR Voltage Standing Wave Ratio Impedance Contact Configuration Coil Voltage Mounting Type Latching Contact Voltage Coil Power Contact Material
RS Stock No. 815-4859
Mfr. Part No.TQ2-5V
BrandPanasonic
$6.90
Each
units
- 178 Ω 50 mΩ - - - - DPDT 5 V dc PCB Mount - 110 V dc, 125 V ac 140mW Gold Plated
RS Stock No. 815-4962
Mfr. Part No.TQ2-L2-24V
BrandPanasonic
$6.13
Each
units
- 1.92 kΩ 50 mΩ - - - - DPDT 24 V dc PCB Mount Yes 110 V dc, 125 V ac 300mW Gold Plated
RS Stock No. 173-9242
Mfr. Part No.TQ2-L2-24V
BrandPanasonic
$4.851
Each (In a Tube of 50)
units
- 1.92 k 50 m - - - - DPDT 24 V dc PCB Mount Yes 110 V dc, 125 V ac 300mW Gold Plated
RS Stock No. 815-4865
Mfr. Part No.TQ2SA-24V
BrandPanasonic
$7.45
Each
units
- 2.88 kΩ 75 mΩ - - - - DPDT 24 V dc Surface Mount - 125 V ac, 220 V dc 200mW Silver Alloy
RS Stock No. 173-9235
Mfr. Part No.TQ2-12V
BrandPanasonic
$4.551
Each (In a Tube of 50)
units
- 1.028 k 50 m - - - - DPDT 12 V dc PCB Mount - 110 V dc, 125 V ac 140mW Gold Plated
RS Stock No. 815-4855
Mfr. Part No.TQ2-12V
BrandPanasonic
$5.74
Each
units
- 1.028 kΩ 50 mΩ - - - - DPDT 12 V dc PCB Mount - 110 V dc, 125 V ac 140mW Gold Plated
RS Stock No. 124-4485
Mfr. Part No.1462051-2
$24.83
Each
units
3GHz 178 Ω 100 mΩ 0.35 dB @ 3 GHz 45 dB @ 3GHz 1.2 @ 3 GHz 50Ω SPDT 5 V dc Surface Mount - 220 V dc, 250 V ac 140mW Gold
RS Stock No. 163-9109
Mfr. Part No.1462051-2
$15.55
Each (On a Reel of 400)
units
3GHz 178 Ω <100 mΩ 0.35 dB @ 3 GHz 45 dB @ 3GHz 1.2 @ 3 GHz 50Ω SPDT 5 V dc Surface Mount - 220 V dc, 250 V ac 140mW Gold
RS Stock No. 718-1819
Mfr. Part No.1-1462051-5
$20.02
Each
units
- 4.114 kΩ - - - - - SPDT 24 V dc PCB Mount - - 140mW Gold Plated
RS Stock No. 164-5025
Mfr. Part No.1462052-6
$25.409
Each (On a Reel of 400)
units
- 1.028 kΩ - - - - - SPDT 12 V dc Surface Mount - - 140mW Gold Plated
RS Stock No. 616-8742
Mfr. Part No.HF3-52
$11.49
Each
units
3GHz 1.03 kΩ 100 mΩ - - - 50Ω SPDT 4.5 V dc PCB Mount - 220 V dc, 250 V ac 140mW Gold Plated
RS Stock No. 164-5027
Mfr. Part No.1-1462052-7
$32.19
Each (On a Reel of 400)
units
- 178 Ω - - - - - SPDT 5 V dc Surface Mount - - 140mW Gold Plated
RS Stock No. 616-8758
Mfr. Part No.HF3-56
$21.10
Each
units
3GHz 1.028 kΩ 100 mΩ - - - 50Ω SPDT 12 V dc PCB Mount - 250V dc 140mW Gold Plated
RS Stock No. 791-7582
Mfr. Part No.1462052-6
$66.20
Each
units
- 1.028 kΩ - - - - - SPDT 12 V dc Surface Mount - - 140mW Gold Plated
RS Stock No. 124-4484
Mfr. Part No.1462051-1
$27.13
Each
units
3GHz 64 Ω 100 mΩ 0.35 dB @ 3 GHz 45 dB @ 3GHz 1.2 @ 3 GHz 50Ω SPDT 3 V dc Surface Mount - 220 V dc, 250 V ac 140mW Gold
RS Stock No. 135-5075
Mfr. Part No.HF3-56
$16.139
Each (On a Reel of 400)
units
3GHz 1.028 kΩ 100 mΩ - - - 50Ω SPDT 12 V dc PCB Mount - 250V dc 140mW Gold Plated
RS Stock No. 164-0640
Mfr. Part No.1462050-4
$17.255
Each (On a Reel of 400)
units
- 1.028 kΩ - - - - - SPDT 12 V dc PCB Mount - - 140mW Gold Plated
RS Stock No. 163-9108
Mfr. Part No.1462051-1
$15.614
Each (On a Reel of 400)
units
3GHz 64 Ω <100 mΩ 0.35 dB @ 3 GHz 45 dB @ 3GHz 1.2 @ 3 GHz 50Ω SPDT 3 V dc Surface Mount - 220 V dc, 250 V ac 140mW Gold
RS Stock No. 113-8825
Mfr. Part No.TQ25
BrandPanasonic
$11.48
Each
units
- 178 Ω 50 mΩ - - - - DPDT 5 V dc PCB Mount - 100 V dc, 125 V ac 140mW Gold Plated
RS Stock No. 791-7595
Mfr. Part No.1-1462052-7
$75.89
Each
units
- 178 Ω - - - - - SPDT 5 V dc Surface Mount - - 140mW Gold Plated
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High frequency relay for 50 Ohm systems. 1 pole SMT plastic-sealed configuration with monostable or bistable coil. Frequency range DC to 3GHz50Ω and 75Ω impedance models available140mW coil consumption. Dimensions 14.6mm (L) x 7.2mm (W) x 10mm (H).
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The TO-5 RF300 repeatable RF relay, along with the RF303 and GRF303 sensitive repeatable RF relays are ultra-miniature, hermetically sealed with DPDT contact configurations designed to provide improved RF signal repeatability over the frequency range with excellent signal integrity up ...
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