HE721E0510

Series:	HE700
Packaging:	Tube
Part Status:	Active
Coil Type:	Non Latching
Coil Current:	25.0mA
Coil Voltage:	5VDC
Contact Form:	SPDT (1 Form C)
Contact Rating (Current):	250mA
Switching Voltage:	175VDC - Max
Turn On Voltage (Max):	3.75 VDC
Turn Off Voltage (Min):	0.5 VDC
Operate Time:	3ms
Release Time:	3ms
Features:	Diode
Mounting Type:	Through Hole
Termination Style:	PC Pin
Operating Temperature:	-40°C ~ 85°C
Contact Material:	--
Coil Power:	--
Coil Resistance:	200 Ohms

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What is Reed Relays?

Reed relays are a type of switch that utilizes an electromagnet actuated reed switch to control the switching of electricity. They provide a number of advantages over traditional mechanical switch designs such as being capable of operating at signal ranges and in both high and low power switching applications. Besides, reed relays also feature a low power consumption, long lifetime, and small size. The combination of those features make them a great choice for applications where reliability, precision and low power consumption matter.

HE721E0510 Application Field and Working Principle

HE721E0510 is a type of reed relay switch that has been specifically designed for a variety of applications. It can be used in-lab experiments, switching currents up to 1.1A as well as in telecommunications and automotive equipment. The relay is composed of two components, a permanent magnet and a reed switch. It is constructed so that when a current is run through the coil of the permanent magnet, the reed switch is magnetically actuated and conducts a path between the two load terminals. When this path is broken again, the magnetic field is disrupted and the reed switch returns to its original position. The HE721E0510 relay has a contact overtravel that is adjustable allowing for control over the time of contact closure which is especially useful in low current applications and fast switch applications. It also features a maximum contact resistance of 50mΩ for both the Normally Open (NO) and Normally Closed (NC) contacts and an insulation resistance of 10kΩ at 500V. Additionally, the HE721E0510 relay is made with a 50% copper alloy, thermally conductive plate that helps provide uniform heat distribution, keeping the relay\'s temperature stable over extensive use. This thermal dissipation helps extend the contact life and also minimizes dust accumulation. In summary, the HE721E0510 relay is a versatile device that is suitable for a variety of applications due to its adjustable contact overtravel, low contact resistance and good thermal dissipation features. It is able to precise and reliable switching even in low current applications.

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Part Number	Manufacturer	Price	Quantity	Description