Is there a pin-compatible replacement for SMD0805B035TF?

Yes, SMD0805P035TF is a strong candidate for a pin-compatible replacement. It shares the same 2-pin 0805 package and critical electrical parameters, making it a likely drop-in substitute.

What risks should I check before replacing SMD0805B035TF?

Key risks include mismatched hold/trip currents, which affect protection levels, and a lower maximum fault current (Imax), which is a safety hazard. Also verify resistance and time-to-trip characteristics for your specific application.

SMD0805B035TF Alternatives, Datasheet & Cross Reference | Yageo

Finding a replacement for the SMD0805B035TF PTC fuse requires matching its 0.35A hold current, 0.75A trip current, and 6V rating in an 0805 package. Several alternatives exist, with SMD0805P035TF being a strong candidate for a drop-in replacement.

AI replacement insight

Electrical risklow

Low for top candidate (SMD0805P035TF) due to matching specs. High for other candidates with different current ratings.

Package risklow

All candidates use the standard 0805 package, ensuring physical compatibility.

Can it be replaced directly?

Yes, SMD0805P035TF from RUILON is a likely direct replacement for SMD0805B035TF, sharing the same package and key ratings.

Best replacement path

The most direct replacement path is using SMD0805P035TF, which matches all critical electrical and physical parameters.

Main risk

The main risk when substituting PTC fuses is selecting a part with incorrect current ratings, which can lead to nuisance tripping or failure to protect the circuit.

Recommended alternatives

A strong alternative with matching hold/trip currents, voltage rating, and 0805 package.

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Alternative comparison matrix

Feature / factor	SMD0805B035TF	SMD0805P035TF	SMD0805P050TF	Compatibility / risk
Package	0805 (2012 metric)	0805	0805	0805 — Same 2-pin 0805 package.; SMD0805P050TF: Same 2-pin 0805 package.
Voltage	6.0V	6.0V	6.0V	6.0V — Maximum voltage rating matches.; SMD0805P050TF: Maximum voltage rating matches.
Current	100A	100A	100A	100A — Max fault current (Imax) matches.; SMD0805P050TF: Max fault current (Imax) matches.
Resistance	0.250 Ω	0.20 Ω	-	0.20 Ω — Lower minimum resistance is beneficial.

Application & sourcing insights

Questions & answers

The RUILON SMD0805P035TF is considered the best alternative, offering identical key electrical ratings (0.35A hold, 0.75A trip, 6V) and the same 0805 package.