Is there a pin-compatible replacement for SZYY1206B?

Currently, no pin-compatible replacements have been identified. Other LEDs in the 1206 package were found but had different colors (e.g., white, RGB) or pinouts.

What risks should I check before replacing SZYY1206B?

The main risk is physical incompatibility. Verify the package size (e.g., 1206 vs 0805) as alternatives may not fit the existing PCB footprint. Also check forward current and luminous intensity.

SZYY1206B Alternatives, Datasheet & Cross Reference | Shenzhen Yongyu Optoelectronics Co., Ltd.

SZYY1206B is a standard blue indicator LED in a 1206 surface-mount package. While no direct pin-compatible replacements were found, several functional alternatives exist with different package sizes.

AI replacement insight

Package riskhigh

Alternatives are in smaller 0805/0603 packages, requiring a PCB redesign.

Electrical risklow

Forward voltage matches; forward current difference is manageable with a resistor change.

Sourcing risklow

Alternatives are from the same manufacturer family, suggesting similar supply chain.

Can it be replaced directly?

No, there are no direct, pin-compatible replacements for SZYY1206B among the candidates reviewed. All viable options require a change in the PCB layout.

Best replacement path

Redesign the PCB for a smaller package like 0805 or 0603, using a part from the same YONGYU SZYY series to maintain similar optical characteristics.

Main risk

The primary risk is the package mismatch. Using an alternative requires a board redesign, as no 1206-package blue LEDs were found as direct substitutes.

Recommended alternatives

Functionally similar blue LED, but in a smaller 0805 package requiring PCB layout changes.

View details

Alternative comparison matrix

Feature / factor	SZYY1206B	SZYY0805B	SZYY0603B	Compatibility / risk
Package	1206 (3216 Metric)	0805 (2012 Metric)	0603 (1608 Metric)	0805 (2012 Metric) / 0603 (1608 Metric) — Requires PCB redesign.; SZYY0603B: Requires PCB redesign.
Color	Blue	Blue	Blue	Blue — matched; SZYY0603B: matched
Voltage	2.6V - 3.1V	2.6V - 3.1V	2.6V - 3.1V	2.6V - 3.1V — Forward Voltage (VF) matches.; SZYY0603B: Forward Voltage (VF) matches.
Current	5mA	10mA	10mA	10mA — Higher forward current may require resistor change.; SZYY0603B: Higher forward current may require resistor change.
Luminous Intensity	34-100 mcd	34-100 mcd	70-175 mcd	34-100 mcd / 70-175 mcd — Luminous intensity range matches.; SZYY0603B: Candidate is brighter.

Application & sourcing insights

Questions & answers

No direct drop-in replacements are available. Alternatives like SZYY0805B offer similar electrical performance but come in smaller packages (0805), requiring a PCB layout change.