UD2-3NU

Turn On Voltage (Max):	2.25 VDC
Coil Resistance:	64.3 Ohms
Coil Power:	140 mW
Contact Material:	Silver Alloy, Gold Alloy
Operating Temperature:	-40°C ~ 85°C
Termination Style:	Gull Wing
Mounting Type:	Surface Mount
Features:	--
Release Time:	1ms
Operate Time:	2ms
Turn Off Voltage (Min):	0.3 VDC
Series:	UD2
Switching Voltage:	250VAC, 220VDC - Max
Contact Rating (Current):	1A
Contact Form:	DPDT (2 Form C)
Coil Voltage:	3VDC
Coil Current:	46.7mA
Coil Type:	Non Latching
Relay Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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Signal Relays, Up to 2 Amps: UD2-3NU Application Field and Working Principle

Signal relays are devices that are designed to switch a low-power signal when a higher-power control signal is received. This type of device is typically used in various applications, such as consumer electronics and industrial automation. The UD2-3NU is a small signal relay designed for use in applications requiring up to 2 amps. This article will discuss the application field and working principle of the UD2-3NU.The UD2-3NU is a signal relay with a rated coil current of 25mA and a switch current of up to 2 amps. It is designed to work with a standard 5-pin DIN connector and is suitable for use with a variety of signal levels. The UD2-3NU is UL-approved and features a high-performance thermal protection, as well as a metal enclosure for additional protection.The UD2-3NU is often used in consumer electronic devices, such as televisions, radios, and game consoles. It is also commonly used in industrial automation systems, such as rolling mills, test benches, and safety systems. In these applications, the UD2-3NU can be used to switch low-power signals from one circuit to another.The UD2-3NU is based on a simple two-pole switch configuration. It consists of a coil, an external contact, and an internal contact. When the coil is energized, a magnetic field is generated that pulls the internal contact towards the external contact, thus switching the circuit. Once the current is removed, the magnetic field collapses and the internal contact moves back to its original position, thus switching the circuit back.The UD2-3NU is designed to ensure reliable switching between different voltage levels. It is also designed to be resistant to false switching caused by power surges. Furthermore, the relay is designed to be resistant to EMI and RFI noise.The UD2-3NU is one of the most popular signal relays on the market today. It is designed for use in applications requiring up to 2 amps and is suitable for a variety of signal levels. It is UL-approved and features a high-performance thermal protection, as well as a metal enclosure for additional protection. As such, the UD2-3NU is a reliable and cost-effective signal relay for applications requiring up to 2 amps.

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