Is there a pin-compatible replacement for SMF05C?

Several parts like ESDA6V1-5W6-TP and SMF05CT1G-ES use the same SOT-363 package and are likely pin-compatible as 5-line TVS arrays. However, pinout should always be confirmed from the datasheet before board layout.

What risks should I check before replacing SMF05C?

When replacing SMF05C, check the peak pulse power (target is 200W), ESD rating (target is ±30kV), and operating temperature range. Some alternatives have lower ratings and may not provide sufficient protection.

SMF05C Alternatives, Datasheet & Cross Reference | WILDGOOSE

SMF05C is a 5-line, 5V uni-directional TVS diode array in a SOT-363 package for ESD protection. Alternatives must match the line count, directionality, and key electrical ratings like power and ESD immunity.

AI replacement insight

Electrical riskmedium

Many alternatives have lower peak power ratings.

Package risklow

SOT-363 is a standard package, but pinout must be confirmed.

Sourcing risklow

Multiple functional alternatives are available from various manufacturers.

Can it be replaced directly?

No verified drop-in replacement is available without engineering review. ESDA6V1-5W6-TP is a strong candidate requiring minimal validation.

Best replacement path

ESDA6V1-5W6-TP is the closest functional match, requiring verification of the slightly lower power rating.

Main risk

The primary risk is using a substitute with a lower peak pulse power or ESD rating, which could compromise circuit protection.

Recommended alternatives

Strong alternative with same package, line count, and ESD rating; minor power difference.

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Alternative comparison matrix

Feature / factor	SMF05C	ESDA6V1-5W6-TP	SMF05CT1G-ES	Compatibility / risk
Package	SOT-363	SOT-363	SOT-363	SOT-363 — Same package and pin count.; SMF05CT1G-ES: Same package and pin count.
Voltage	5V	5V	5V	5V — Same working voltage.; SMF05CT1G-ES: Same working voltage.
Power	200W	180W	150W	180W / 150W — Slightly lower peak pulse power rating.; SMF05CT1G-ES: Lower peak pulse power rating.
Esd Rating	±30 kV	±30 kV	-	±30 kV — Same ESD immunity.
Temperature	-55°C to 125°C	-	-40°C to 125°C	-40°C to 125°C — Slightly narrower operating range.

Application & sourcing insights

Questions & answers

ESDA6V1-5W6-TP is a strong alternative to SMF05C, offering the same package, line count, and ESD rating, with a slightly lower peak power rating (180W vs 200W) that should be verified for the application.