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
$6.18
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
$4.83
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
$8.536
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. 815-4855
Mfr. Part No.TQ2-12V
BrandPanasonic
$5.52
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. 173-9235
Mfr. Part No.TQ2-12V
BrandPanasonic
$5.938
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. 163-9109
Mfr. Part No.1462051-2
$12.952
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. 815-4865
Mfr. Part No.TQ2SA-24V
BrandPanasonic
$6.35
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. 124-4485
Mfr. Part No.1462051-2
$20.04
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. 173-8145
Mfr. Part No.TQ25
BrandPanasonic
$4.892
Each (In a Tube of 50)
units
- 178 50 m - - - - DPDT 5 V dc PCB Mount - 100 V dc, 125 V ac 140mW Gold Plated
RS Stock No. 164-0640
Mfr. Part No.1462050-4
$12.244
Each (On a Reel of 400)
units
- 1.028 kΩ - - - - - SPDT 12 V dc PCB Mount - - 140mW Gold Plated
RS Stock No. 718-1819
Mfr. Part No.1-1462051-5
$19.85
Each
units
- 4.114 kΩ - - - - - SPDT 24 V dc PCB Mount - - 140mW Gold Plated
RS Stock No. 135-5075
Mfr. Part No.HF3-56
$10.771
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. 164-5027
Mfr. Part No.1-1462052-7
$61.631
Each (On a Reel of 400)
units
- 178 Ω - - - - - SPDT 5 V dc Surface Mount - - 140mW Gold Plated
RS Stock No. 718-1840
Mfr. Part No.1462050-4
$18.58
Each
units
- 1.028 kΩ - - - - - SPDT 12 V dc PCB Mount - - 140mW Gold Plated
RS Stock No. 807-4100
Mfr. Part No.G6K-2F-Y DC3
BrandOmron
$5.10
Each
units
- 91 Ω 100 mΩ - - - - DPDT 3 V dc Surface Mount - 60 V dc, 125 V ac 100mW Silver Alloy
RS Stock No. 164-5025
Mfr. Part No.1462052-6
$53.362
Each (On a Reel of 400)
units
- 1.028 kΩ - - - - - SPDT 12 V dc Surface Mount - - 140mW Gold Plated
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. 616-8758
Mfr. Part No.HF3-56
$13.67
Each
units
3GHz 1.028 kΩ 100 mΩ - - - 50Ω SPDT 12 V dc PCB Mount - 250V dc 140mW Gold Plated
RS Stock No. 791-7595
Mfr. Part No.1-1462052-7
$85.90
Each
units
- 178 Ω - - - - - SPDT 5 V dc Surface Mount - - 140mW Gold Plated
RS Stock No. 492-890
Mfr. Part No.G5LE-1-E DC5
BrandOmron
$3.45
Each
units
- 63 Ω - - - - - SPDT 5 V dc PCB Mount Yes - 400mW Silver Alloy
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The 172, S172 and GRF172D series of Centigrid® relays are ultra-miniature, hermetically sealed, DPDT armature relays designed to be used in many RF applications. A low profile height and grid spaced terminals - which prevent the need for spreader pads ...
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