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DIALIGHT 5219743F Bi-Color Rectangular LED

The DIALIGHT 521-9743F is a compact, bi-color (Red/Green) rectangular LED designed for a wide range of industrial applications. Its diffused lens provides a uniform light distribution, making it ideal for indicator lights, displays, and backlighting. The LED operates with a forward current of 30mA and offers a viewing angle of 140 degrees. It is built to withstand harsh environments with an operating temperature range of -55°C to +100°C and meets solder adherence requirements per MIL-STD-202E.

Authorized Distributors
Source:Newark
Part No:521-9743F
Stock:5347
Inv Date:06-08-2026
Price: Unit price: $0.398
Buy/RFQ:
Source:DigiKey
Part No:5219743F
Stock:2754
Inv Date:06-08-2026
Price: Unit price: $0.83
Buy/RFQ:
Part No:521-9743F
Stock:2835
Inv Date:06-09-2026
Price: Unit price: $0.83
Buy/RFQ:
Part No:521-9743F
Stock:0
Inv Date:06-08-2026
Price: Unit price: $0.48
Buy/RFQ:
Part No:521-9743F
Stock:5347
Inv Date:06-08-2026
Price: Unit price: $0.3681
Buy/RFQ:
Part No:521-9743F
Stock:5347
Inv Date:06-08-2026
Price: Unit price: $0.3681
Buy/RFQ:

DIALIGHT 5219743F Bi-Color Rectangular LED Specifications:

  • Color: Red/Green
  • Dimensions: 2.03mm x 4mm
  • Power Dissipation: 60/100 mW
  • Forward Current: 30 mA
  • Derating: 0.4 mA/°C
  • Peak Current: 120 mA
  • Operating Temperature: -55°C to +100°C
  • Storage Temperature: -55°C to +100°C
  • Soldering Temperature: 260°C (5 seconds)
  • Luminous Intensity: 1.7 mcd (typical)
  • Peak Wavelength: 630 nm (Red), 565 nm (Green)
  • Viewing Angle: 140°
  • Forward Voltage: 2.1 V (typical)
  • Solder Adherence: MIL-STD-202E, Method 208C

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Frequently Asked Questions

Where can I buy DIALIGHT 5219743F?

You can click on the BUY or RFQ button to purchase 5219743F from an authorized DIALIGHT distributor.

How do I troubleshoot issues or seek technical support for part 5219743F?

You can download the 5219743F datasheet or visit the DIALIGHT website for support.

Who is the manufacturer of 5219743F?

DIALIGHT

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