HFW1201K103

Series:	Military, MIL-R-39016/6, HFW, CII
Packaging:	Bulk
Part Status:	Active
Relay Type:	General Purpose
Coil Type:	Non Latching
Coil Current:	37.9mA
Coil Voltage:	26.5VDC
Contact Form:	DPDT (2 Form C)
Contact Rating (Current):	2A
Switching Voltage:	28VDC - Nom
Turn On Voltage (Max):	13.5 VDC
Turn Off Voltage (Min):	1.5 VDC
Features:	Sealed - Hermetically
Mounting Type:	Through Hole
Termination Style:	PC Pin
Operating Temperature:	-65°C ~ 125°C
Contact Material:	--
Coil Power:	1 W
Coil Resistance:	700 Ohms

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Signal Relays, Up to 2 Amps

Signal relays are electronic components that are used to switch electrical circuits by responding to a signal from another circuit. The HFW1201K103 signal relay is a high-performance device designed for applications that require up to 2 amps of power. It is a cost-effective solution for a wide variety of applications, including automotive and industrial control systems, remote control systems, and remote sensing applications.

Features

The HFW1201K103 signal relay has several features that make it an ideal component for many applications. It has a wide range of operating voltage, allowing it to be used in various environments, and a low latching current, which helps to reduce power consumption. It also has a fast switching time, making it suitable for applications that require quick response, and a long service life, making it a reliable component for long-term use.

Design

The HFW1201K103 signal relay is a single-pole, single-throw (SPST) device, meaning that it has one set of contacts that open and close to turn a circuit on and off. The device is constructed of glass-filled, PEI (Polyetherimide) plastic, allowing for good thermal and insulating properties in a compact package. It also features a high current capacity and a maximum operating voltage of 250 volts.

Applications

The HFW1201K103 is well-suited for a wide range of signal relay applications, including automotive control systems, industrial control systems, remote control systems, and remote sensing. It can be used for high-power switching applications, such as controlling the motor speed in electric vehicles, and for low-power switching applications, such as controlling the power to a lamp in an automated lighting system.

Working Principle

The HFW1201K103 signal relay works on the principle of electromagnetism. When an electrical current is applied to the relay, it creates a magnetic field which attracts a switch. This switch then flips from one state to another, connecting an electrical circuit and allowing an electrical current to flow through the circuit, completing the circuit. For example, in an automotive control system, the relay may be used to switch the starter solenoid, enabling the engine to start. When the ignition switch is turned on, an electrical current is sent to the relay, creating a magnetic field. This field attracts the switch, causing it to flip and allow current to flow through the starter solenoid circuit, causing the starter to engage and the engine to start.

Conclusion

The HFW1201K103 signal relay is an effective and reliable device for applications that require up to 2 amps of power. With its wide operating voltage range, low latching current, fast switching time, and long service life, it is a cost-effective solution for a variety of automotive, industrial, and remote sensing applications. It operates on the principle of electromagnetism, creating a magnetic field to attract a switch and enable an electrical current to flow through a circuit.

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