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Littelfuse HE721E0510 Miniature Reed Relay
The HE721E0510 is a standard miniature reed relay featuring a transfer molded external shield body, SPDT contacts with a normally closed (CO) configuration, and through-hole terminals. It includes a coil suppression diode and is part of the HE700 series, designed with an alternate foot print for easy integration. The relay exhibits lower power consumption compared to similar electromechanical devices and has hermetically sealed contacts that are resistant to environmental influences. Operating with a maximum operate/release time of 3 milliseconds, it functions within a temperature range of -40°C to 85°C. Suitable for various applications including industrial automation, security systems, communication and networking, sensing, instrumentation, and process control.
Littelfuse HE721E0510 Miniature Reed Relay Specifications:
- Body Type: Transfer Molded
- Dimensions: Length 19.05 mm (.750 in), Width 7.62 mm (.300 in), Height 5.82 mm (.229 in)
- Contact Form: SPDT, Normally Closed
- Operating Voltage: 5 V DC, 12 V DC, 24 V DC options
- Maximum Switching Power: 10 W
- Maximum Switching Voltage: 200 V DC, 178 V AC
- Maximum Switching Current: 0.5 A DC, 0.35 A AC
- Coil Resistance (for 5 V coil): 375 Ω, (for 12 V coil): 1000 Ω, (for 24 V coil): 2150 Ω
- Operate Time: Max. 3 ms
- Release Time: Max. 3 ms
- Temperature Range: -40°C to +85°C
- Hermetically Sealed Contacts: Yes
- Includes Coil Suppression Diode: Yes
- Environmental Resistance: Resistant to environmental influences due to hermetic sealing
- Agency Certifications: UL Recognized (UL 508)
Buy the Littelfuse HE700 – Reliable Reed Relay for Industrial Applications
Order the Littelfuse HE700 miniature reed relay online today and experience reliable switching performance with hermetically sealed contacts. Ideal for industrial automation, security, communication, and sensing applications, this relay features a transfer molded package, low power consumption, and includes a coil suppression diode for enhanced protection. With a fast operate/release time of just 3 milliseconds and temperature resilience from -40°C to 85°C, it ensures durability even in harsh environments. Perfect for engineers seeking a compact, dependable relay for critical control tasks.
Get Littelfuse HE700 today—built for precision and long-lasting durability in industrial control and automation.
Frequently Asked Questions
Where can I buy Littelfuse HE721E0510?
You can click on the BUY or RFQ button to purchase HE721E0510 from an authorized Littelfuse distributor.
How do I troubleshoot issues or seek technical support for part HE721E0510?
You can download the HE721E0510 datasheet or visit the Littelfuse website for support.
Who is the manufacturer of HE721E0510?
Littelfuse