About High Frequency / RF Relays

High Frequency / RF Relays

High-frequency/RF relays are electronic switches designed to operate at a wide range of radio frequencies and power levels. These relays are used in many applications, such as high-frequency RF switching, RF front-end control and protection, and in instrumentation applications, to control and isolate RF signals. The construction of an RF relay is slightly different from that of a regular switch. A typical relay consists of a coil, two contacts, and an armature. The contacts are typically made from materials such as gold or silver, as these materials are capable of handling large electrical currents without corrosion. The coil is connected to a voltage source, which when energized creates an electromagnetic field that moves the armature to bridge the two contacts. This creates a closed circuit and allows an electrical current to flow. When the voltage is removed, the armature moves back to the open position and the circuit is broken. In addition to performing the basic switch function, the RF relay also has added features such as RF filtering and shielding. They are designed to be very reliable and can handle power levels up to thousands of watts.

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Image	Stock Code(▲▼)	Description	Manufacturer	Availability ⓘ (▲▼)	Price(AUD) (Ex. GST)(▲▼)	Enter Qty	Contact Form	Contact Termination	Contact Current Rating	Maximum Switching Current	Coil Voltage	Coil Type	Frequency	Power Consumption	Isolation	Insertion Loss

ER412TM4-5A/SQ

Electromechanical Relay DPDT 1ADC/0.25AAC 5VDC 50Ohm Through Hole
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Teledyne

0
6 to 16 Weeks

December 2026

December 2026
	S	M	T	W	T	F	S
49	29	30	1	2	3	4	5
50	6	7	8	9	10	11	12
51	13	14	15	16	17	18	19
52	20	21	22	23	24	25	26
53	27	28	29	30	31	1	2
2	3	4	5	6	7	8	9

AUD 264.0883

Multiples of: 250

732TN-12/G

TO-5, 2PDT, Transistor, Sen
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Teledyne

0
6 to 16 Weeks

December 2026

December 2026
	S	M	T	W	T	F	S
49	29	30	1	2	3	4	5
50	6	7	8	9	10	11	12
51	13	14	15	16	17	18	19
52	20	21	22	23	24	25	26
53	27	28	29	30	31	1	2
2	3	4	5	6	7	8	9

AUD 268.3313

Multiples of: 1

ER411M4-26B

T2R/COTS TO-5/.100 GRID
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Teledyne

0
6 to 16 Weeks

December 2026

December 2026
	S	M	T	W	T	F	S
49	29	30	1	2	3	4	5
50	6	7	8	9	10	11	12
51	13	14	15	16	17	18	19
52	20	21	22	23	24	25	26
53	27	28	29	30	31	1	2
2	3	4	5	6	7	8	9

AUD 268.9818

Multiples of: 50

ER116C-26A/G

Centigrid, 2PDT, CMOS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Teledyne

0
6 to 16 Weeks

December 2026

December 2026
	S	M	T	W	T	F	S
49	29	30	1	2	3	4	5
50	6	7	8	9	10	11	12
51	13	14	15	16	17	18	19
52	20	21	22	23	24	25	26
53	27	28	29	30	31	1	2
2	3	4	5	6	7	8	9

AUD 269.85

Multiples of: 1

RF332-5

High Frequency / RF Relays
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Teledyne

0
6 to 16 Weeks

December 2026

December 2026
	S	M	T	W	T	F	S
49	29	30	1	2	3	4	5
50	6	7	8	9	10	11	12
51	13	14	15	16	17	18	19
52	20	21	22	23	24	25	26
53	27	28	29	30	31	1	2
2	3	4	5	6	7	8	9

AUD 270

Multiples of: 1

ER116C-18A/Q

Electromechanical Relay 18VDC 746.89Ohm 1ADC/0.25AAC DPDT (12.95x9.53x6.99)mm THT Established Reliability Relay
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Teledyne

0
6 to 16 Weeks

December 2026

December 2026
	S	M	T	W	T	F	S
49	29	30	1	2	3	4	5
50	6	7	8	9	10	11	12
51	13	14	15	16	17	18	19
52	20	21	22	23	24	25	26
53	27	28	29	30	31	1	2
2	3	4	5	6	7	8	9

AUD 271.6108

Multiples of: 1

732TNM4-5

Electromechanical Relay 5VDC 100Ohm 1ADC/0.25AAC DPDT (9.4x10.29x9.76)mm THT Commercial Sensitive Relay
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Teledyne

0
6 to 16 Weeks

December 2026

December 2026
	S	M	T	W	T	F	S
49	29	30	1	2	3	4	5
50	6	7	8	9	10	11	12
51	13	14	15	16	17	18	19
52	20	21	22	23	24	25	26
53	27	28	29	30	31	1	2
2	3	4	5	6	7	8	9

AUD 271.7885

Multiples of: 1

ER412-18A/G

TO-5, 2PDT
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Teledyne

0
6 to 16 Weeks

December 2026

December 2026
	S	M	T	W	T	F	S
49	29	30	1	2	3	4	5
50	6	7	8	9	10	11	12
51	13	14	15	16	17	18	19
52	20	21	22	23	24	25	26
53	27	28	29	30	31	1	2
2	3	4	5	6	7	8	9

AUD 273.9375

Multiples of: 1

ER412-18A

TO-5, 2PDT
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Teledyne

0
6 to 16 Weeks

December 2026

December 2026
	S	M	T	W	T	F	S
49	29	30	1	2	3	4	5
50	6	7	8	9	10	11	12
51	13	14	15	16	17	18	19
52	20	21	22	23	24	25	26
53	27	28	29	30	31	1	2
2	3	4	5	6	7	8	9

AUD 273.9375

Multiples of: 1

712TN-12

High Frequency / RF Relays
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Teledyne

0
6 to 16 Weeks

December 2026