What risks should I check before replacing TPUSBLC6-4SC6?

Before replacing, you must verify the pinout is identical. Also, check if the slightly lower ESD rating or higher capacitance of an alternative is acceptable for your application's reliability and signal integrity requirements.

TPUSBLC6-4SC6 Alternatives, Datasheet & Cross Reference | TECH PUBLIC

TPUSBLC6-4SC6 is a 4-channel, low-capacitance TVS diode array from TECH PUBLIC in a SOT23-6 package. It is designed to protect high-speed data lines like USB from electrostatic discharge (ESD) events.

AI replacement insight

Package riskhigh

Pinout must be verified. Assuming pin compatibility without checking the datasheet is a high risk.

Electrical risklow

Candidates have similar voltage and capacitance, but weaker ESD ratings require application-specific review.

Sourcing risklow

Multiple cross-vendor options appear available, suggesting good sourcing availability.

Can it be replaced directly?

Direct replacement for TPUSBLC6-4SC6 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

The best replacement path involves cross-vendor functional alternatives like TPNUP4201MR6T1G, which closely match key parameters.

Main risk

The main risks are pinout incompatibility and minor parametric differences, such as slightly lower ESD ratings or higher capacitance, which could affect system protection and signal integrity.

Recommended alternatives

A 4-line TVS diode with very similar capacitance and voltage in the same SOT23-6 package.

View details

Alternative comparison matrix

Feature / factor	TPUSBLC6-4SC6	TPNUP4201MR6T1G	TPD4E1U06DBVR	Compatibility / risk
Package	SOT23-6	SOT23-6	SOT23-6	SOT23-6 — Package matches, enabling form-fit evaluation.; TPD4E1U06DBVR: Package matches, enabling form-fit evaluation.
Channels	4	4	4	4 — Both devices protect 4 data lines.; TPD4E1U06DBVR: Both devices protect 4 data lines.
Voltage	5.0 V	5.0 V	5.5 V	5.0 V / 5.5 V — Reverse working voltage matches.; TPD4E1U06DBVR: Slightly higher voltage rating is acceptable.
Capacitance	0.35 pF	0.3 pF	0.5 pF	0.3 pF / 0.5 pF — Very close capacitance, suitable for high-speed signals.; TPD4E1U06DBVR: Slightly higher capacitance may affect signal integrity.
Esd Rating	±25 kV	±20 kV	±20 kV	±20 kV — Candidate has a slightly lower ESD rating.; TPD4E1U06DBVR: Candidate has a lower ESD rating.

Application & sourcing insights

Questions & answers

Verified drop-in options for TPUSBLC6-4SC6 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.