Is there a pin-compatible replacement for GSOT05C?

Yes, several candidates like SM05T1G and SET23A05L02 share the same SOT-23 package and a similar pinout. However, electrical parameters like power rating differ, so they are not drop-in replacements without review.

What risks should I check before replacing GSOT05C?

The primary risks are electrical. Verify the substitute's reverse standoff voltage (must be >= 5V), polarity (must be uni-directional), and peak pulse power rating (target is 350W). Using a part with a lower power rating can compromise circuit protection.

GSOT05C Alternatives, Datasheet & Cross Reference | Leiditech

GSOT05C is a popular 5V uni-directional TVS diode in a SOT-23 package, used for ESD and surge protection. When searching for alternatives, it's crucial to match the 5V working voltage, uni-directional polarity, and 350W power rating.

AI replacement insight

Electrical riskmedium

Closest substitutes have a lower power rating.

Package risklow

SOT-23 is a standard package with good availability.

Sourcing risklow

Multiple manufacturers produce similar parts.

Can it be replaced directly?

No exact drop-in replacement has been identified; the closest candidates have a slightly lower power rating that requires engineering review.

Best replacement path

Consider SM05T1G or SET23A05L02, but verify the slightly lower power rating (300W vs 350W) is acceptable for your design.

Main risk

The main risk is using a substitute with a lower power rating, which could fail under expected surge conditions.

Recommended alternatives

A strong alternative with matching package, polarity, and voltage, but a slightly lower power rating that requires review.

View details

Alternative comparison matrix

Feature / factor	GSOT05C	SM05T1G	SET23A05L02	Compatibility / risk
Package	SOT-23	SOT-23	SOT-23	SOT-23 — Package matches.; SET23A05L02: Package matches.
Polarity	Uni-directional	Uni-directional	Uni-directional	Uni-directional — Polarity matches.; SET23A05L02: Polarity matches based on ES data.
Voltage	5V	5V	5V	5V — Reverse working voltage matches.; SET23A05L02: Reverse working voltage matches.
Power	350W	300W	~300W	300W / ~300W — Candidate power rating is ~14% lower.; SET23A05L02: Estimated power rating is lower.

Application & sourcing insights

Questions & answers

SM05T1G and SET23A05L02 are strong functional alternatives, but have a slightly lower power rating (300W vs 350W). Engineering review is required to ensure they meet your application's surge protection needs.