91-21UYD/S530-A3/TR7

LED Indication - Discrete Overview

The 91-21UYD/S530-A3/TR7 is a yellow light-emitting diode manufactured by Everlight Electronics Co Ltd. It utilizes a leadframe-yoke package configuration designed for surface-mount technology applications. The component emits light at a peak wavelength of 589 nm, providing distinct yellow illumination suitable for various indicator purposes. It features a clear lens that ensures high transparency and efficient light transmission. The device is supplied in tape-and-reel packaging to facilitate automated assembly processes.

LED Indication - Discrete Feature Summary

• Yellow light emission with a peak wavelength of 589 nm
• Clear lens design for enhanced light transmission
• Leadframe-yoke package structure for surface mounting
• Tape-and-reel packaging compatible with automated assembly

LED Indication - Discrete Applications

• Electronic equipment status indicators
• Control panel signal lights
• General-purpose visual indication systems

LED Indication - Discrete Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct packaging and binning specifications. Confirm RoHS compliance status and moisture sensitivity level requirements prior to procurement. Cross-reference the datasheet parameters with system design constraints to validate electrical and thermal performance suitability for the intended application environment.

LED Indication - Discrete Selection Notes

Evaluate the component's forward voltage characteristics and luminous intensity against circuit design requirements. Ensure the surface-mount footprint dimensions align with the printed circuit board layout constraints. Consider the operating temperature range and reliability standards required for the target electronic product. Verify compatibility with standard reflow soldering profiles used in the manufacturing process.

LED Indication - Discrete Part Context

This model belongs to Everlight's discrete LED portfolio, specifically within the surface-mount indicator category. The part number indicates a yellow variant with a clear lens and leadframe-yoke construction. It is engineered for high-volume production environments requiring consistent optical performance and reliable long-term operation in consumer and industrial electronics.

LED Indication - Discrete Replacement Considerations

Consult the official Everlight replacement guide or cross-reference database for verified substitute part numbers. Ensure any alternative component matches the pinout, mechanical dimensions, and electrical specifications. Validate optical characteristics such as wavelength and viewing angle to maintain system functionality.