The 12-21C/W1D-BQ2R2/2C is a high-brightness white LED manufactured by Everlight Electronics Co., Ltd. It belongs to Everlight's 12-21 series of through-hole LEDs, known for their reliability and performance in various lighting and indication applications. The 'W1D' designation likely specifies the color temperature and intensity binning, while '/2C' likely refers to packaging or production lot characteristics.

This LED is designed to provide a consistent and bright white light output with a specific color temperature suitable for backlighting, indicator lights, and general illumination purposes. It uses advanced LED chip technology to achieve high luminous efficacy and long operational life. The epoxy lens provides protection for the LED chip and helps focus the light output.

Applications:

• Backlighting for LCDs and displays
• Indicator lights for electronic devices
• Automotive lighting applications (e.g., instrument panels)
• General illumination
• Portable lighting devices

Features:

• High luminous intensity
• Low power consumption
• Long operating life
• White color emission
• Through-hole mounting
• Epoxy lens for optimal light output
• RoHS compliant

Benefits:

• Energy-efficient lighting solution
• Long lifespan reduces maintenance costs
• Consistent and reliable light output
• Easy to integrate into existing designs
• Environmentally friendly due to RoHS compliance

Specific technical details, such as forward voltage, luminous flux, and color temperature, are dependent on the exact binning and testing performed by Everlight. Consulting the official Everlight datasheet for the 12-21C/W1D-BQ2R2/2C is essential for accurate design specifications. Typically, the forward voltage is around 3.0-3.6V, and the luminous intensity can range from several hundred millicandelas to a few candelas. The color temperature is likely in the cool white range (6000-8000K).

The /2C designation may also indicate specific quality control or manufacturing process variations. The LED's robust construction and efficient light output make it suitable for a variety of applications requiring a reliable white light source.