2204-12-321

Turn On Voltage (Max):	9 VDC
Coil Resistance:	1.5 kOhms
Coil Power:	--
Contact Material:	--
Operating Temperature:	-20°C ~ 85°C
Termination Style:	PC Pin
Mounting Type:	Through Hole
Features:	Sealed - Hermetically
Release Time:	0.1ms
Operate Time:	0.5ms
Turn Off Voltage (Min):	1 VDC
Series:	2200
Switching Voltage:	200VAC, 200VDC - Max
Contact Rating (Current):	500mA
Contact Form:	SPST-NO (1 Form A)
Coil Voltage:	12VDC
Coil Current:	8.0mA
Coil Type:	Non Latching
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tube

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Introduction to High Frequency (RF) Relays

High frequency (RF) relays are an essential component of modern communication systems and are used to switch, route, and control signals in a wide range of applications. Such relays have been around for decades and are found in almost every communication system, from satellite dishes and cellular phones to aircraft avionics systems and railroad communication systems.RF relays are used in many different applications including satellite communication, cellular networks, radio systems, computer networks, navigation systems, data processing/storage systems, and communication systems designed for special purposes. RF relays are also becoming increasingly popular for use in devices used in medical, military, and industrial applications.RF relays allow a device to send and receive signals at different frequencies, levels, and directivity by providing reliable contact closures and isolation in a confined space. A RF relay is basically a switch that can be electrically actuated (typically by a voltage, current, or magnetic source). By doing so, the relay can control the signal flow and thus the destination of the signal.

2204-12-321 Application Field and Working Principle

The 2204-12-321 is a small, low-profile, and high-frequency (RF) relay that is designed for optimal signal switching. It features low-loss isolation, on-board logic control, and dual-pole operation. It is typically used for multi-band operations, including cell/PCS signal channel switching, MIL-STD-1553 signal routing, command/control message switching, as well as video signal routing and switching.The 2204-12-321 has a working frequency range of up to 6GHz and the response time is typically less than 12 microseconds. The on-board logic control allows for either manual or automatic relay switching with options to program the delay time between the through and terminate mode selection. The on-board logic control also provides a guarantee of reliable protection against large transients that could otherwise cause damage.The 2204-12-321 also comes with an integrated status output relay that is used to indicate its status (i.e. open or closed). By monitoring this output, users can make sure that the relay is in the desired configuration and that the appropriate signal has been successfully passed.Additionally, the 2204-12-321 is designed to have an extended service life of up to 1 million operations, making it ideal for applications where long-term reliability is a requirement. The insertable unit design of this relay has also made it popular due to its convenient replacement feature.

Conclusion

High frequency (RF) relays like the 2204-12-321 are used in a wide range of applications including satellite communication, cellular networks, radio systems, computer networks, navigation systems, data processing/storage systems, MIL-STD-1553 signal routing, command/control message switching, video signal routing and switching, and communication systems designed for special purposes. They are small, low-profile, and feature low-loss isolation as well as dual-pole and on-board logic control. They are designed to have an extended service life of up to 1 million operations, and due to their insertable unit design, they are easy to replace in the event of failure.

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