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DIALIGHT 5510409F 3mm LED Indicator

The 551-0409F is a 3mm LED circuit board indicator with a diffused lens, designed for high visibility and safety compliance. It features a black UL 94 V-0 rated housing made of PBT polymer with an oxygen index of 31.5%, mounted with standoffs that facilitate PCB cleaning. Suitable for signalling applications, it ensures safe direct viewing in compliance with IEC 825-1 and EN-60825-1 standards. The LED has a right-angle viewing angle, a single cathode polarity, and meets MIL-STD-202F solderability standards, making it reliable for various electronic and industrial uses.

Authorized Distributors
Source:DigiKey
Part No:5510409F
Stock:0
Inv Date:06-08-2026
Price: Unit price: $1.42
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Part No:551-0409F
Stock:1132
Inv Date:06-09-2026
Price: Unit price: $1.45
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Part No:551-0409F
Stock:0
Inv Date:06-08-2026
Price: Unit price: $1.45
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Part No:551-0409F
Stock:0
Inv Date:06-08-2026
Price: Unit price: $0.6534
Buy/RFQ:
Part No:551-0409F
Stock:0
Inv Date:06-08-2026
Price: Unit price: $0.6534
Buy/RFQ:
Part No:551-0409F
Stock:0
Inv Date:06-08-2026
Price: Unit price: $0.51
Buy/RFQ:

DIALIGHT 5510409F 3mm LED Indicator Specifications:

  • Diameter: 3mm
  • Lens: Tinted, Diffused
  • Housing Material: PBT, UL 94 V-0 rated
  • Oxygen Index: 31.5%
  • Housing Color: Black
  • Polarity: Cathode right
  • Solderability: MIL-STD-202F, method 208F
  • Operating Temperature: -40°C to +100°C
  • Storage Temperature: -40°C to +100°C
  • Maximum Power Dissipation: 100mW
  • Forward Voltage: Typical 3.5V at 10mA
  • Luminous Intensity: Min 6.3mcd at 10mA
  • Peak Wavelength: 428nm
  • Viewing Angle: 70°
  • Soldering Temperature: 260°C for 5 seconds
  • Mounting: Surface mounting with mounting clip 515-0006

Buy the Dialight Series LEDs: 3mm Diffused Circuit Board Indicator 551-0409F

Order the Dialight 551-0409F 3mm diffused LED indicator online today to enjoy quick delivery. With its diffused lens, black UL 94 V-0 rated housing, and reliable solderability, this surface-mount LED ensures outstanding visibility and safety. Ideal for signaling and industrial operations, it offers a long operating temperature range and robust construction. Purchase now and enhance your circuit designs with this durable, high-quality LED indicator, ensuring dependable performance and easy integration into your projects.

Buy Dialight 551-0409F high-efficiency 3mm LED indicator now and experience reliable performance and superior visibility in your electronic applications.

Frequently Asked Questions

Where can I buy DIALIGHT 5510409F?

You can click on the BUY or RFQ button to purchase 5510409F from an authorized DIALIGHT distributor.

How do I troubleshoot issues or seek technical support for part 5510409F?

You can download the 5510409F datasheet or visit the DIALIGHT website for support.

Who is the manufacturer of 5510409F?

DIALIGHT

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