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  3. LITTELFUSE HE721C1200

HE721C1200 LITTELFUSE Relay

HE721C1200 LITTELFUSE Relay
Product Information
BrandLITTELFUSE
Manufacturer Part NumberHE721C1200

Review LITTELFUSE Relay Each

The Littelfuse HE721C1200 relay is a versatile and robust solution for various automotive and industrial applications. This 12A, 250V AC coil relay boasts a compact size, making it an excellent choice for space-constrained systems.

The HE721C1200 relay features a gold-plated contact surface that ensures reliable and long-lasting contact performance. The contacts are rated for a contact life of over 5 million cycles, ensuring consistent operation in even the most demanding environments. The relay also includes a flyback diode to protect the coil from voltage spikes during relay operation.

The relay's housing is made of a robust and corrosion-resistant material, providing excellent protection against the elements. It is also sealed to IP67 standards, making it suitable for use in wet or humid environments. The relay's contacts are hermetically sealed, further enhancing its protection against environmental factors.

The HE721C1200 relay offers a low contact resistance of 25 milliohms, ensuring fast switching times and minimal power loss. The relay's coil resistance is 110 ohms, and it requires a coil voltage of 12V DC to operate. The relay also features a low coil current of 0.32A, making it an energy-efficient option for power management.

The relay's terminals are labeled for easy identification and installation. It also includes a built-in LED indicator that illuminates when the relay is energized, making it an excellent choice for applications where visual confirmation of relay operation is important.

In summary, the Littelfuse HE721C1200 relay is a high-performance and reliable solution for automotive and industrial applications. Its compact size, robust construction, long-lasting contact performance, and energy efficiency make it an excellent choice for a wide range of applications where reliable switching is essential.

The Littelfuse HE721C1200 relay is a heavy-duty, solenoid-operated switching device designed for automotive applications. Here are some pros and cons to help you decide if this relay is the right choice for your project:

Pros:

1. High Current Capability: The HE721C1200 relay can handle up to 1200W at 12V, making it suitable for high current applications.

2. Robust Construction: The relay is designed to withstand harsh automotive environments with its high temperature and vibration resistance.

3. Fast Switching: The contact bounce time of the relay is less than 5 milliseconds, ensuring fast and reliable switching.

4. Protection against Overcurrent: The relay includes an overcurrent protection feature that disconnects the circuit when the current exceeds the rated value.

Cons:

1. Size and Weight: The HE721C1200 relay is larger and heavier than some other relays due to its high current handling capacity and robust construction.

2. Cost: The relay is more expensive than some other relays due to its high current capacity and automotive-grade features.

3. Complex Installation: Installing the relay may require additional components, such as a flyback diode or a coil with a sufficient inductance, to ensure proper operation.

Conclusion:

The Littelfuse HE721C1200 relay is a high-performance, heavy-duty relay suitable for automotive applications that require high current handling and robustness. Its fast switching and overcurrent protection features make it a reliable choice for demanding applications. However, its larger size, higher cost, and complex installation requirements may make it less suitable for some projects. Ultimately, the decision to buy this relay depends on the specific requirements of your project and your budget.

Recommendation:

If you require a heavy-duty relay for an automotive application that demands high current handling and robustness, the Littelfuse HE721C1200 relay is an excellent choice. However, if your application does not require such high current handling or if cost is a concern, you may want to consider a lower-power, less expensive relay. It's essential to carefully evaluate the specific requirements of your project before making a purchase decision.

Details:

He721c1200 - relay 5 each:: Littelfuse #he721c1200.

specifications genpurrelays:

  • brand: Littelfuse
  • mpn: He721c1200

offer genpurrelays:

  • availability: in stock
  • started: september 5, 2025
  • options: ship-to-home
  • sold #: 18
  • in stock #: 2
  • prices: $13.41–$49.74
  • item condition: New

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  • category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays

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