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Littelfuse HE721C0500 Reed Relay

This high-quality reed relay features a 5 V DC coil voltage, a single-pole double-throw (SPDT) contact configuration, and is suitable for PCB mounting. It supports a switching current of 0.25 Amps and a maximum switching voltage of 175 V DC, making it ideal for precise switching applications in industrial automation, instrumentation, and process control. Its compact design ensures efficient space utilization while providing reliable electromagnetic switching performance. The relay is hermetically sealed for durability and immunity to environmental effects, with options for diode suppression and magnetic shielding for enhanced reliability.

Authorized Distributors
Part No:HE721C0500
Stock:0
Inv Date:05-29-2026
Price: N/A
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Part No:HE721C0500
Stock:268
Inv Date:05-28-2026
Price: Unit price: $2.66
Buy/RFQ:

Littelfuse HE721C0500 Reed Relay Specifications:

  • Coil Voltage: 5 V DC
  • Contact Type: SPDT (Single Pole Double Throw)
  • Contact Rating: 0.25 A, 175 V DC maximum switching voltage
  • Support: PCB mounting
  • Insulation Resistance: 100 MΩ min. at 250 V DC
  • Operating Time: 10 ms max.
  • Release Time: 30 ms max.
  • Temperature Range: -40°C to +85°C
  • Vibration Resistance: 20 g
  • Shock Resistance: 50 g
  • Hermetically Sealed: Yes
  • Magnetic Shield: Optional
  • Diode Suppression: Optional
  • Construction: Transfer Moulded for component protection
  • Dimensions: Length 19.05 mm, Width 7.24 mm, Height 7.50 mm

Buy the Buy Hamlin SPDT Reed Relay Part Number HE721C0500 Online

Purchase the Hamlin HE721C0500 reed relay online today for precise switching with reliable durability. This compact SPDT relay features a 5 V DC coil, supports up to 0.25 Amps, and handles a maximum of 175 V DC. Perfect for industrial automation, instrumentation, and process control, its hermetically sealed design guarantees environmental immunity, while optional features like diode suppression and magnetic shielding enhance longevity. Enjoy fast delivery and secure online ordering for your switching and automation needs.

Buy Hamlin HE721C0500 now and experience unmatched reliability and performance in industrial and instrumentation switching applications.

Frequently Asked Questions

Where can I buy Littelfuse HE721C0500?

You can click on the BUY or RFQ button to purchase HE721C0500 from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part HE721C0500?

You can download the HE721C0500 datasheet or visit the Littelfuse website for support.

Who is the manufacturer of HE721C0500?

Littelfuse

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