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DIALIGHT 5571503203F High-Intensity LED Indicator

The 557-1503-203F is a high-intensity, panel-mount red LED indicator designed for 11/16-inch mounting holes. It features a watertight seal that meets MIL-L-3661B standards, making it suitable for outdoor applications exposed to rain, dust, and sunlight. The indicator combines InGaN and AlInGaP technologies to produce higher brightness. It has a white polycarbonate housing, a flat polycarbonate lens, and a UL94V-0 flammability rating. The device offers uniform illumination, daylight viewability, and a tamperproof, highly durable construction, suitable for various demanding applications including military, aerospace, sensing, safety, consumer electronics, automotive, and logistics.

Authorized Distributors
Source:Newark
Part No:557-1503-203F
Stock:70
Inv Date:06-08-2026
Price: Unit price: $19.88
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Source:DigiKey
Part No:5571503203F
Stock:164
Inv Date:06-08-2026
Price: Unit price: $18.92
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Part No:557-1503-203F
Stock:122
Inv Date:06-09-2026
Price: Unit price: $17.03
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Part No:557-1503-203F
Stock:110
Inv Date:06-08-2026
Price: Unit price: $17.37
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Part No:557-1503-203F
Stock:437
Inv Date:06-08-2026
Price: Unit price: $16.89
Buy/RFQ:
Part No:557-1503-203F
Stock:437
Inv Date:06-08-2026
Price: Unit price: $16.89
Buy/RFQ:
Part No:557-1503-203F
Stock:0
Inv Date:06-08-2026
Price: Unit price: $11.7
Buy/RFQ:

DIALIGHT 5571503203F High-Intensity LED Indicator Specifications:

  • Color: Red
  • Mounting Hole Diameter: 11/16 inch
  • Housing Material: White polycarbonate
  • Lens Material: Polycarbonate, UL94V-0 rated
  • Voltage Range: 5V, 12V, 24V DC
  • Watertight Seal: Meets MIL-L-3661B standards
  • Temperature Range: -25°C to +85°C operating, -30°C to +100°C storage
  • Maximum Mounting Torque: 15 in/Ib
  • Flammability Rating: UL 94V-0
  • Technology: InGaN and AlInGaP for higher brightness
  • Application Suitability: Outdoor, military, aerospace, safety, consumer electronics, automotive

Buy the Dialight Series 557 557 Series High Intensity LED Panel Mount Indicators: 5571503203F

Purchase the Dialight Series 557 high-intensity LED indicator online today for reliable, waterproof illumination in demanding outdoor and industrial environments. Featuring a 11/16-inch mounting hole, the indicator combines advanced InGaN and AlInGaP technologies for superior brightness. Its rugged white polycarbonate housing with a UL94V-0 rating ensures safety and durability. Perfect for military, aerospace, safety systems, and consumer electronics, this indicator provides consistent, daylight-viewable illumination, helping you enhance safety and efficiency in your applications with ease and confidence.

Order your Dialight Series 557 557 Series 5571503203F today and give your projects the durable, waterproof LED indicator they need.

Frequently Asked Questions

Where can I buy DIALIGHT 5571503203F?

You can click on the BUY or RFQ button to purchase 5571503203F from an authorized DIALIGHT distributor.

How do I troubleshoot issues or seek technical support for part 5571503203F?

You can download the 5571503203F datasheet or visit the DIALIGHT website for support.

Who is the manufacturer of 5571503203F?

DIALIGHT

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