Is there a pin-compatible replacement for SRV05-4-P-T7?

Several alternatives share the SOT-23-6 package, but pinout compatibility must be verified by comparing datasheets. Even with a matching pinout, electrical parameters like peak power rating are critical and often differ.

What risks should I check before replacing SRV05-4-P-T7?

The main risks are insufficient protection. Check the Peak Pulse Power (Ppp), which should be ≥500W. Verify the Clamping Voltage (Vc) is low enough for your circuit. Also confirm the pinout matches and the capacitance is suitable for your data speed.

SRV05-4-P-T7 Alternatives, Datasheet & Cross Reference | ProTek Devices

SRV05-4-P-T7 is a 5V, 4-channel TVS diode array in a SOT-23-6 package, offering 500W peak power protection for high-speed interfaces. Finding a substitute requires careful matching of peak power, clamping voltage, and capacitance.

AI replacement insight

Electrical riskhigh

Substitutes have lower power ratings and/or weaker clamping voltages.

Package risklow

SOT-23-6 is standard, but pinout must be verified.

Firmware risklow

Not applicable for this passive component.

Can it be replaced directly?

No direct, verified drop-in replacement for SRV05-4-P-T7 is available. All potential alternatives require a review of key electrical stress parameters.

Best replacement path

Select a candidate like USBLC6-4SC6 from a reputable brand and perform a detailed datasheet comparison, focusing on peak power, clamping voltage, and pinout for your specific application's stress levels.

Main risk

The primary risk is using a substitute with a lower Peak Pulse Power (Ppp) rating, which could lead to device failure during a surge event.

Recommended alternatives

Functionally similar ESD protection diode in the same package, but requires review of key protection specs.

View details

Alternative comparison matrix

Feature / factor	SRV05-4-P-T7	USBLC6-4SC6	SRV05-4.TCT	Compatibility / risk
Package	SOT-23-6	SOT23-6	SOT-23-6	SOT23-6 / SOT-23-6 — Package matches.; SRV05-4.TCT: Package matches.
Voltage	5.0V	5.0V	5.0V	5.0V — Reverse standoff voltage matches.; SRV05-4.TCT: Reverse standoff voltage matches.
Power	500W	Unknown	300W	Unknown / 300W — Peak power rating is not specified, target is 500W.; SRV05-4.TCT: Peak power rating is significantly lower.
Clamping Voltage	15V @ 5A	17V	20V	17V / 20V — Clamping voltage is higher, offering less protection.; SRV05-4.TCT: Clamping voltage is higher, offering less protection.
Capacitance	3.5pF	3pF	-	3pF — Capacitance is comparable.

Application & sourcing insights

Questions & answers

There are no direct drop-in replacements found. Candidates like USBLC6-4SC6 and SRV05-4.TCT are functionally similar but have weaker protection ratings (lower peak power or higher clamping voltage). Careful engineering review is required.