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Littelfuse HE721A0510 reed relay

This is a reed relay featuring a 5 V DC coil voltage, a single-pole single-throw normally open (SPST-NO) contact configuration, designed for PCB mounting. It can switch currents up to 0.5 Amps and withstand voltages up to 200 VDC. The relay offers high reliability, fast switching times, and is suitable for use in automation, instrumentation, and telecommunications. Its compact transfer molded package provides maximum component protection, making it ideal for high-voltage switching applications with low power consumption. The relay is hermetically sealed and available with optional magnetic shielding and diode suppression features.

Authorized Distributors
Part No:HE721A0510
Stock:0
Inv Date:05-29-2026
Price: N/A
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Part No:HE721A0510
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.24
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Part No:HE721A0510
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.06
Buy/RFQ:
Part No:HE721A0510
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.06
Buy/RFQ:

Littelfuse HE721A0510 reed relay Specifications:

  • Coil Voltage: 5 V DC
  • Contact Type: SPST-NO
  • Contact Rating: 0.5 A, 200 VDC
  • Switching Power: Up to 10 W
  • Maximum Switching Voltage: 200 VDC
  • Operate Time: Max. 10 ms
  • Release Time: Max. 30 ms
  • Operating Temperature Range: -40°C to +85°C
  • Vibration Resistance: 20 G
  • Shock Resistance: 50 G
  • Package: Transfer Molded with External Shield option
  • Contact Resistance: Max. 0.150 Ω
  • Hermetically sealed, magnetic shield optional

Buy the Buy Hamlin Relay Part Number HE721A0510 Online

Purchase the Hamlin relay HE721A0510 online today and secure a high-quality component for your instrumentation, telecommunications, or industrial automation systems. Designed with a 5 V DC coil and SPST-NO contact configuration, this relay supports switching currents up to 0.5A and withstands voltages up to 200VDC. Its hermetically sealed transfer molded package offers maximum protection against environmental factors. With fast operate and release times, optional magnetic shielding, and diode suppression, it ensures dependable operation in critical electronic applications. Buy now for quick delivery and trusted performance.

Order your Hamlin relay HE721A0510 today and enhance your automation and control projects with reliable switching performance and durable design.

Frequently Asked Questions

Where can I buy Littelfuse HE721A0510?

You can click on the BUY or RFQ button to purchase HE721A0510 from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part HE721A0510?

You can download the HE721A0510 datasheet or visit the Littelfuse website for support.

Who is the manufacturer of HE721A0510?

Littelfuse

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