Is there a pin-compatible replacement for YLED0805B?

Yes, several 0805 blue LEDs like the ARK D-B080508B1-KS2 are pin-compatible. However, they are not electrically identical, so you must review the datasheet for parameters like forward voltage and current before substitution.

What risks should I check before replacing YLED0805B?

The main risks are electrical. Check the substitute's forward voltage (Vf) to ensure it's compatible with your drive circuit, and verify its forward current (If) rating to avoid overdriving the LED, which can reduce brightness and lifespan.

YLED0805B Alternatives, Datasheet & Cross Reference | YONGYUTAI

YONGYUTAI YLED0805B is a standard blue 0805 SMD LED for indicators. While no exact drop-in is identified, several pin-compatible alternatives exist but require review of electrical parameters like forward voltage and current.

AI replacement insight

Electrical riskmedium

Candidates have different Vf/If ratings, which can affect brightness or cause damage if not reviewed.

Package risklow

All candidates share the common 0805 package, ensuring physical compatibility.

Can it be replaced directly?

No direct drop-in replacement was found. All viable alternatives have different electrical ratings that require engineering review.

Best replacement path

The ARK D-B080508B1-KS2 is the strongest candidate if the application's drive current is 20mA or can be adjusted.

Main risk

Electrical mismatch in forward current (If) and forward voltage (Vf) ratings.

Recommended alternatives

A blue 0805 LED with similar wavelength and brightness, but a lower forward current rating.

View details

Alternative comparison matrix

Feature / factor	YLED0805B	D-B080508B1-KS2	ORH-B35A	Compatibility / risk
Package	0805 (2012 Metric)	0805 (2012 Metric)	0805	0805 (2012 Metric) — Form and fit match.; ORH-B35A: Form and fit match.
Color	Blue	Blue	Super Blue	Blue / Super Blue — Color matches.; ORH-B35A: Color matches.
Wavelength	457-475 nm	459-464 nm	470 nm	459-464 nm / 470 nm — Wavelength range is within target spec.; ORH-B35A: Slightly different but acceptable blue wavelength.
Current	25 mA	20 mA	20 mA	20 mA — Lower forward current rating.; ORH-B35A: Lower forward current rating.
Voltage	2.7-3.1 V	2.6-3.2 V	3.2 V (Typ)	2.6-3.2 V / 3.2 V (Typ) — Forward voltage range overlaps significantly.; ORH-B35A: Typical Vf is outside target's range.
Luminous Intensity	20-80 mcd	35-60 mcd	-	35-60 mcd — Brightness range is within target spec.

Application & sourcing insights

Questions & answers

The best alternative found is the ARK D-B080508B1-KS2. It matches the package, color, and brightness, but has a lower forward current rating (20mA vs 25mA) that must be verified for your design.