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Littelfuse LSP10120S Surge Protection Module

The Littelfuse LSP10 surge protection module is designed for outdoor and commercial LED lighting fixtures, providing reliable transient overvoltage protection. Built with thermally protected varistor technology, it features a thermal disconnect for enhanced safety, preventing catastrophic failure and fires during varistor end-of-life or overvoltage events. Suitable for parking lots, roadway, street, tunnel, and digital signage lighting, it complies with IEEE C62.41.2 and EN61643-11 standards. The unit is IP66-rated, resistant to dust and water, with a discharge capacity of 20,000 A, ensuring long-term durability and safety.

Authorized Distributors
Source:DigiKey
Part No:LSP10120S
Stock:2167
Inv Date:05-28-2026
Price: Unit price: $24.13
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Part No:LSP10120S
Stock:668
Inv Date:05-29-2026
Price: Unit price: $20.86
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Part No:LSP10120S
Stock:0
Inv Date:05-28-2026
Price: Unit price: $27.35
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Part No:LSP10120S
Stock:67
Inv Date:05-28-2026
Price: Unit price: $17.06
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Littelfuse LSP10120S Surge Protection Module Specifications:

  • AC Voltage Range: 150 to 510 V
  • Continuous Current: 5 A
  • Maximum Discharge Current: 20,000 A (8/20us waveform)
  • Nominal Discharge Current: 10,000 A (8/20us waveform)
  • Operating Ambient Temperature Range: -45°C to +85°C
  • Storage Temperature Range: -45°C to +110°C
  • Isolation Voltage Capability: 600 V
  • Insulation Resistance: >1,000 MΩ
  • Discharge Current Waveform: 8/20us
  • IP66 rated, dust-tight and water-resistant
  • Meets ANSI C82.77-5-2015, EN61643-11, IEEE C62.41.2, UL1449 standards
  • Built-in thermal disconnect for safety, suitable for outdoor lighting applications
  • Series and parallel connection options, supports LED module surge protection
  • Overall dimensions vary depending on model, generally designed for outdoor fixtures

Buy the Buy Littelfuse Surge Protection Module Part Number LSP10120S Online

Enhance your outdoor LED lighting systems with the Littelfuse Surge Protection Module, model LSP10120S, offering reliable transient overvoltage protection. Featuring thermal disconnect technology, it guarantees safety during end-of-life conditions, preventing fire hazards. The device is IP66-rated, dust-tight, water-resistant, and capable of withstanding up to 20,000 A surge currents. Easy to install in series or parallel configurations, it complies with multiple safety standards, ensuring your lighting fixtures operate safely, reliably, and efficiently in harsh outdoor environments. Purchase online today for long-lasting performance and peace of mind.

Get Littelfuse LSP10120S today—designed for outdoor LED lighting protection with thermal disconnect and high surge capacity.

Frequently Asked Questions

Where can I buy Littelfuse LSP10120S?

You can click on the BUY or RFQ button to purchase LSP10120S from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part LSP10120S?

You can download the LSP10120S datasheet or visit the Littelfuse website for support.

Who is the manufacturer of LSP10120S?

Littelfuse

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