Is there a pin-compatible replacement for ESDA6V1BC6?

Several parts use the same SOT23-6L package, but pin-for-pin compatibility has not been verified. The internal diode configuration (bidirectional vs. unidirectional or rail-clamp) is a key difference that affects pinout and function.

What risks should I check before replacing ESDA6V1BC6?

Before replacing, check three main things: 1) The replacement must be a bidirectional TVS array. 2) The peak pulse power rating must be at least 80W. 3) The pinout must match the original circuit board layout.

ESDA6V1BC6 Alternatives, Datasheet & Cross Reference | STMicroelectronics

Find and compare potential alternatives for the STMicroelectronics ESDA6V1BC6, a quad bidirectional TVS diode in a SOT23-6L package. Review key parametric differences before selection.

AI replacement insight

Electrical riskhigh

Power rating and directionality mismatches are common in available alternatives.

Package risklow

SOT23-6L is a standard package, ensuring mechanical fit.

Can it be replaced directly?

No direct drop-in replacement has been verified. Several parts share the same package and voltage rating, but have critical differences in power rating or diode configuration that require engineering review.

Best replacement path

Review candidates with a SOT23-6L package and 5V working voltage, but carefully verify their peak pulse power rating (target is 80W) and ensure they are bidirectional, as many alternatives are unidirectional.

Main risk

The main risk is functional mismatch, specifically using a unidirectional diode instead of the required bidirectional one, or using a part with a lower power rating, which could lead to inadequate circuit protection.

Recommended alternatives

Shares the same package and voltage, but has a lower power rating and requires verification of its pinout and directionality.

View details

Alternative comparison matrix

Feature / factor	ESDA6V1BC6	SRV05-4LA 4A	SRV05-4-HXY	Compatibility / risk
Package	SOT23-6L	SOT23-6L	SOT-23-6L	SOT23-6L / SOT-23-6L — Package matches.; SRV05-4-HXY: Package matches.
Voltage	5.0V	5.0V	5.0V	5.0V — Working voltage matches.; SRV05-4-HXY: Working voltage matches.
Power	80W	60W	55W	60W / 55W — Candidate has lower peak pulse power rating.; SRV05-4-HXY: Candidate has significantly lower peak pulse power rating.
Directionality	Bidirectional	Unknown	-	Unknown — Candidate directionality must be verified; target is bidirectional.
Topology	Bidirectional Array	-	Rail-clamp	Rail-clamp — Likely different topology which affects pinout and function.

Application & sourcing insights

Questions & answers

There is no single best alternative. Candidates like SRV05-4LA 4A exist but may have lower power ratings. It is critical to verify the peak pulse power is at least 80W and that the replacement is a quad bidirectional array.