Is there a pin-compatible replacement for SST1100?

Yes, parts like REOMAX SST1150 and SST1200 are pin-compatible in the same 2410 package. However, they are not electrically identical, featuring higher current ratings of 1.5A and 2.0A respectively.

What risks should I check before replacing SST1100?

The main risk is the current rating. Ensure your circuit can tolerate a higher trip current (e.g., 1.5A instead of 1.0A). Also verify the time-current curve and breaking capacity from the datasheets match your protection needs.

SST1100 Alternatives, Datasheet & Cross Reference | Dongguan Reomax Electronics Co., Ltd.

Finding a substitute for the REOMAX SST1100 1A 300V slow-blow fuse involves matching the 2410 package, voltage, and time-lag characteristics. Alternatives may have different current ratings, requiring careful review.

AI replacement insight

Electrical riskhigh

Using a higher current rating compromises overcurrent protection.

Package risklow

Candidates share the same 2410 package, ensuring form-fit.

Can it be replaced directly?

No direct, 1-to-1 replacement was found in this batch. All viable candidates have a higher current rating, which poses a risk to the circuit.

Best replacement path

The best path is to find another 1A, 300V, slow-blow fuse in a 2410 package. Options like SST1150 (1.5A) exist but relax protection.

Main risk

The primary risk is using a fuse with a higher current rating (e.g., 1.5A or 2.0A), which will not protect the circuit at the original 1.0A threshold.

Recommended alternatives

A form-fit compatible fuse with the same voltage and type, but a higher 1.5A current rating that requires engineering review.

View details

Alternative comparison matrix

Feature / factor	SST1100	SST1150	SST1200	Compatibility / risk
Package	6125 (2410)	6125 (2410)	6125 (2410)	6125 (2410) — Same package and dimensions.; SST1200: Same package and dimensions.
Voltage	300.0V	300V AC	300.0V	300V AC / 300.0V — Voltage rating matches.; SST1200: Voltage rating matches.
Current	1.0A	1.5A	2.0A	1.5A / 2.0A — Current rating is 50% higher, reducing protection.; SST1200: Current rating is 2x higher, reducing protection.
Polarity Or Type	Time-Lag (Slow-Blow)	Time-Lag (Slow-Blow)	Slow-Blow (Time-Lag)	Time-Lag (Slow-Blow) / Slow-Blow (Time-Lag) — Fuse type matches.; SST1200: Fuse type matches.

Application & sourcing insights

Questions & answers

The best alternative is a fuse with identical ratings (1A, 300V, Slow-Blow, 2410 package). While not in this list, parts like SST1150 (1.5A) are parametrically similar but require review due to the higher current rating.