ARN10A24

Turn On Voltage (Max):	18 VDC
Coil Resistance:	1.8 kOhms
Coil Power:	320 mW
Contact Material:	Gold Plating
Operating Temperature:	-40°C ~ 85°C
Termination Style:	Gull Wing
Mounting Type:	Surface Mount
Features:	Sealed - Flux Protection
Release Time:	5ms
Operate Time:	5ms
Turn Off Voltage (Min):	2.4 VDC
Series:	ARN
Switching Voltage:	--
Contact Form:	SPDT (1 Form C)
Coil Voltage:	24VDC
Coil Current:	13.3mA
Coil Type:	Non Latching
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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High Frequency (RF) Relays

The ARN10A24 is a single-pole, double-throw (SPDT) electromechanical relay widely used in high frequency (RF) applications. This relay is equipped with a solid-state contact and is designed to ensure a highly reliable connection with minimal losses for signal transmission. The relay offers a high switching speed of 80 ns, a built-in suppression diode, and a single-stage ferrite latching coil. It also features a low contact resistance of 1 mA, a voltage rating of 1 W, and a frequency range of 0–30 MHz.

Applications

The ARN10A24 is primarily designed as an RF switching device and is consequently suitable for a variety of radio frequency (RF) applications. These include wireless communications systems, cable TV amplifiers, frequency synthesizers, AM broadcast transmitters, remote control systems, and optical transmitters. The relay is also suitable for use in traffic safety equipment and test and measurement equipment.

Working principles

The ARN10A24 works on the principles of an electromagnetic relay. The electrical input current flows through a coil in the relay, causing a magnetic field to develop. This in turn attracts an armature within the relay, which pushes the contacts to the operated position and closes the resulting circuit. The contacts maintain their position even when power is turned off, as the armature holds them in place.The relay also includes a built-in suppression diode that protects the coil from voltage transients. The suppression diode stabilizes the coil’s operating voltage, preventing exaggerated voltage rises which can damage the contacts. The relay also includes a single-stage ferrite latching coil which ensures a highly reliable connection with minimal losses for signal transmission.

Advantages

The ARN10A24 offers a number of advantages over other RF relays. It has a higher frequency range than standard relays, allowing it to be used in applications where signal speeds may be faster. The built-in suppression diode also prevents power spikes, offering better protection for electronic components. The low contact resistance of 1 mA means that the relay can be used in a wide range of applications without needing to take additional measures to protect sensitive components. The single-stage ferrite latching coil also ensures that the relay can maintain a reliable connection with minimal losses, making it ideal for use in RF systems.

Conclusion

The ARN10A24 single-pole, double-throw (SPDT) electromechanical relay is widely used in high frequency (RF) applications due to its high switching speed of 80 ns, high frequency range of 0–30 MHz, high contact resistance of 1 mA, and built-in suppression diode. This relay is suitable for use in a variety of wireless communications, cable TV, and radio frequency (RF) systems. The relay is also designed to ensure highly reliable connections with minimal losses, making it ideal for use in today’s high speed RF systems.

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