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Best Alternatives to SZYY0402Y

Package: 0402Shenzhen Yongyu Optoelectronics Co., Ltd.LEDs - Surface MountColor: YellowPackage: 0402 (1.1mm x 0.5mm)Luminous Intensity: 40-48 mcdForward Current (IF): 25 mAForward Voltage (VF): 1.8-2.4 V

SZYY0402Y is a standard 0402 yellow LED. When searching for alternatives, focus on matching the 0402 package, yellow color (approx. 587nm wavelength), and forward voltage around 1.8-2.4V.

AI replacement insight

Electrical risklow

Voltage matches, but max current is lower. Verify circuit drive current is <= 20mA.

Package risklow

Both parts use a standard 0402 package, ensuring mechanical compatibility.

Can it be replaced directly?

Direct replacement for SZYY0402Y should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Use YLED0402Y after verifying the impact of its higher brightness and lower current rating on your design.

Main risk

The primary risks are a change in visual appearance due to higher brightness and potentially over-driving the LED.

Recommended alternatives

1
YLED0402Y package
YLED0402Y

YONGYUTAI

Needs validationlow risk

A pin-compatible 0402 yellow LED with similar electricals, but is significantly brighter and has a lower current rating.

View details

Alternative comparison matrix

Feature / factorSZYY0402YYLED0402YAlt 2Alt 3Compatibility / risk
Package0402 (1.1mm x 0.5mm)0402 (1.1mm x 0.5mm x 0.4mm)0402 (1.1mm x 0.5mm x 0.4mm) — Package dimensions are compatible.
ColorYellowYellowYellow — Color matches target.
Wavelength586-588 nm584 - 594 nm584 - 594 nm — Candidate wavelength range fully contains target's range.
Luminous Intensity40-48 mcd70 - 175 mcd70 - 175 mcd — Candidate is significantly brighter.
Voltage1.8-2.4 V1.8V - 2.4V1.8V - 2.4V — Forward voltage range matches.
Current25 mA20 mA20 mA — Candidate has a lower max forward current.

Application & sourcing insights

Questions & answers

Verified drop-in options for SZYY0402Y are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.