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DIALIGHT 5510503F 3mm LED Circuit Board Indicator

The DIALIGHT 551-0503 is a 3mm diffused LED circuit board indicator, offering high efficiency and a compact design. It incorporates an integral resistor, simplifying circuit design and providing consistent brightness. The LED is housed in a UL 94 V-0 rated black housing, enhancing safety and performance. Features include locating pins for stability during soldering and housing stand-offs for PCB cleaning. This component is ideal for applications requiring clear visual indication, such as industrial equipment, control panels, and instrumentation.

Authorized Distributors
Source:Newark
Part No:551-0503F
Stock:1053
Inv Date:06-08-2026
Price: Unit price: $0.943
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Source:DigiKey
Part No:551-0503F
Stock:1053
Inv Date:06-08-2026
Price: Unit price: $0.76
Buy/RFQ:
Source:DigiKey
Part No:5510503F
Stock:0
Inv Date:06-08-2026
Price: Unit price: $1.86
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Part No:551-0503F
Stock:0
Inv Date:06-09-2026
Price: Unit price: $0.68
Buy/RFQ:
Part No:551-0503F
Stock:0
Inv Date:06-08-2026
Price: Unit price: $1
Buy/RFQ:
Part No:551-0503F
Stock:2156
Inv Date:06-08-2026
Price: Unit price: $0.626
Buy/RFQ:
Part No:551-0503F
Stock:2156
Inv Date:06-08-2026
Price: Unit price: $0.626
Buy/RFQ:

DIALIGHT 5510503F 3mm LED Circuit Board Indicator Specifications:

  • Color: Red
  • Wavelength: 635 nm
  • Luminous Intensity: 29 mcd
  • Forward Voltage: 5 V
  • Forward Current: 10 mA
  • Viewing Angle: 60°
  • LED Protrusion Tolerance: ±0.04 mm
  • CBI Housing Tolerance: ±0.02mm
  • Operating Temperature: -55°C to +100°C
  • Reverse Voltage: 5 V
  • Polymer Content: PBT, 0.190 g
  • Housing Stand-offs: Facilitate PCB cleaning
  • Locating Pins: Provide stability during soldering
  • Solderability: Per MIL-STD-202F, method 208F
  • LED Safety: Safe for direct viewing per IEC 825-1, EN-60825-1

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Frequently Asked Questions

Where can I buy DIALIGHT 5510503F?

You can click on the BUY or RFQ button to purchase 5510503F from an authorized DIALIGHT distributor.

How do I troubleshoot issues or seek technical support for part 5510503F?

You can download the 5510503F datasheet or visit the DIALIGHT website for support.

Who is the manufacturer of 5510503F?

DIALIGHT

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