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Littelfuse HE721R0510 Reed relay

This is a Reed relay with a coil voltage of 5 V DC, featuring a SPDT contact configuration and designed for PCB mounting. It supports switching currents up to 0.25 Amps and handling voltages up to 175 V DC. The relay offers high reliability for signal switching applications with a maximum operate time of 10 ms and release time of 10 ms. Built with durable materials, it provides excellent insulation resistance and resistance to vibration and shock, making it suitable for automation, instrumentation, and industrial control systems. Its compact design ensures efficient space utilization and easy integration into electronic circuits.

Authorized Distributors
Part No:HE721R0510
Stock:0
Inv Date:05-29-2026
Price: N/A
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Part No:HE721R0510
Stock:0
Inv Date:05-28-2026
Price: Unit price: $11.77
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Part No:HE721R0510
Stock:38
Inv Date:05-28-2026
Price: Unit price: $63.76
Buy/RFQ:
Part No:HE721R0510
Stock:38
Inv Date:05-28-2026
Price: Unit price: $63.76
Buy/RFQ:

Littelfuse HE721R0510 Reed relay Specifications:

  • Coil Voltage: 5 V DC
  • Contact Type: SPDT (Single Pole Double Throw)
  • Contact Ratings: 0.25 A switching current, 175 V DC maximum switching voltage
  • Operate Time: max. 10 ms
  • Release Time: max. 10 ms
  • Insulation Resistance: high
  • Vibration Resistance: 20 G
  • Shock Resistance: 50 G
  • Operating Temperature: -40°C to +85°C
  • Storage Temperature: -40°C to +105°C
  • Physical Dimensions: standard relay size suitable for PCB mounting
  • Material: durable insulating and contact materials
  • Protection: hermetically sealed, optional magnetic shield
  • Body Type: standard PCB layout
  • Additional Options: coil suppression diode available

Buy the Hamlin Series HE Series Relay: HE721R0510

Purchase the Hamlin HE721R0510 reed relay online now to ensure high-performance switching for your automation, instrumentation, or industrial control systems. This reliable relay features a 5V DC coil, SPDT contact configuration, and can switch currents up to 0.25A with a maximum voltage of 175V DC. Its robust construction offers excellent insulation resistance and resistance to vibration and shock. Compact and easy to integrate, it guarantees efficient space utilization while providing dependable operation suitable for various demanding electronic applications.

Get Hamlin HE721R0510 relay today—built for precision, durability, and reliable switching in industrial and instrumentation applications.

Frequently Asked Questions

Where can I buy Littelfuse HE721R0510?

You can click on the BUY or RFQ button to purchase HE721R0510 from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part HE721R0510?

You can download the HE721R0510 datasheet or visit the Littelfuse website for support.

Who is the manufacturer of HE721R0510?

Littelfuse

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