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DIALIGHT 5219478F Bi-Color LED

The DIALIGHT 521-9478F is a bi-color LED designed for applications requiring both yellow and green light emission. This RoHS compliant LED is commonly used in indicator lights, panel illumination, and other signaling applications. It features a compact design with leads spaced for easy PCB integration and is suitable for wave, dip, or hand soldering using lead-free processes. The LED's diffused lens provides a uniform light distribution, enhancing visibility and readability in various environments.

Authorized Distributors
Source:Newark
Part No:521-9478F
Stock:2020
Inv Date:06-08-2026
Price: Unit price: $1.1
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Source:DigiKey
Part No:521-9478F
Stock:2020
Inv Date:06-08-2026
Price: Unit price: $0.75
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Source:DigiKey
Part No:5219478F
Stock:24
Inv Date:06-08-2026
Price: Unit price: $1.86
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Part No:521-9478F
Stock:1009
Inv Date:06-09-2026
Price: Unit price: $1.57
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Part No:521-9478F
Stock:0
Inv Date:06-08-2026
Price: Unit price: $1.76
Buy/RFQ:
Part No:521-9478F
Stock:3075
Inv Date:06-08-2026
Price: Unit price: $0.993
Buy/RFQ:
Part No:521-9478F
Stock:3075
Inv Date:06-08-2026
Price: Unit price: $0.993
Buy/RFQ:
Part No:521-9478F
Stock:0
Inv Date:06-08-2026
Price: Unit price: $0.735
Buy/RFQ:
Part No:5219478F
Stock:670
Inv Date:06-09-2026
Price: N/A
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DIALIGHT 5219478F Bi-Color LED Specifications:

  • LED Color: Yellow/Green
  • RoHS Compliant: Yes
  • Packaging: Bulk
  • Lead Spacing: Near Epoxy Package
  • Lead Material: Silver (Ag) over Copper (Cu) over Nickel (Cu)
  • Ambient Temperature: 25°C
  • Forward Voltage: 2.5-4.7V
  • Wavelength (Green): 565nm
  • Wavelength (Yellow): 585nm
  • Peak Dominant Viewing Luminous Intensity (Green): 3.7 mcd @ 10mA
  • Peak Dominant Viewing Luminous Intensity (Yellow): 2.1 mcd @ 10mA
  • Power Dissipation: 100mW
  • Continuous Forward Current: 30mA
  • Peak Forward Current: 120mA
  • Reverse Voltage: 5V
  • Operating Temperature: -55°C to +100°C
  • Storage Temperature: -55°C to +100°C

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Frequently Asked Questions

Where can I buy DIALIGHT 5219478F?

You can click on the BUY or RFQ button to purchase 5219478F from an authorized DIALIGHT distributor.

How do I troubleshoot issues or seek technical support for part 5219478F?

You can download the 5219478F datasheet or visit the DIALIGHT website for support.

Who is the manufacturer of 5219478F?

DIALIGHT

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