What risks should I check before replacing USBLC6-2SC6Y?

Before replacing, check for: 1) Pinout Mismatch, as not all SOT23-6 TVS diodes are pinned the same. 2) Higher Clamping Voltage, which provides less protection. 3) Lower ESD Rating, which reduces robustness. 4) Higher Capacitance, which can degrade high-speed signals.

USBLC6-2SC6Y Alternatives, Datasheet & Cross Reference | TECH PUBLIC

USBLC6-2SC6Y is a 2-line, low-capacitance TVS diode in a SOT23-6 package, designed for 5V USB 2.0 data and power line protection. Finding a replacement requires matching the line count, low capacitance, and clamping voltage for effective protection.

AI replacement insight

Electrical riskmedium

Substitutes may have higher clamping voltage or lower ESD ratings.

Package riskmedium

While package matches, pinout for 2-line vs 4-line devices differs. Pinout must be verified.

Sourcing risklow

Multiple manufacturers produce similar 2-line TVS diodes in this package.

Can it be replaced directly?

Direct replacement for USBLC6-2SC6Y should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Reviewing TPUSBLC6-2SC6 from the same manufacturer is the best path. It matches key specs but requires verification of the clamping voltage to ensure protection levels are maintained.

Main risk

The primary risk is a higher clamping voltage in substitutes, which could allow damaging voltages to reach the protected IC.

Recommended alternatives

A 2-line TVS in the same package with better capacitance, but its higher clamping voltage requires careful review.

View details

Alternative comparison matrix

Feature / factor	USBLC6-2SC6Y	TPUSBLC6-2SC6	TPNUP2201MR6T1G	Compatibility / risk
Package	SOT23-6	SOT23-6	SOT23-6	SOT23-6 — Package matches, enabling form-factor compatibility.; TPNUP2201MR6T1G: Package matches, enabling form-factor compatibility.
Application	2	2	2	2 — Both are 2-line protection diodes.; TPNUP2201MR6T1G: Both are 2-line protection diodes.
Voltage	9V @ 1A	15V @ 6A	-	15V @ 6A — Clamping voltage is higher, potentially offering less protection. Must be verified for the application.
Capacitance	0.6pF	0.4pF	0.6pF	0.4pF / 0.6pF — Lower capacitance is better for signal integrity.; TPNUP2201MR6T1G: Capacitance matches target's typical value.
Esd Rating	±30kV	-	±20kV	±20kV — ESD protection is lower than target's ±30kV.
Power	150W	-	Missing	Missing — Peak pulse power rating is not specified.

Application & sourcing insights

Questions & answers

Verified drop-in options for USBLC6-2SC6Y 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.