Is there a pin-compatible replacement for STS2250?

Yes, parts like STS2300 and STS2200 from the same REOMAX STS series share the same 6125 (2410) package and are pin-compatible. However, their electrical ratings differ, which requires engineering review.

What risks should I check before replacing STS2250?

Verify the current rating (Amps) and voltage rating (Volts). A higher current rating reduces protection, while a lower one may cause false trips. A lower voltage rating is a safety hazard and should be avoided.

STS2250 Alternatives, Datasheet & Cross Reference | Dongguan Reomax Electronics Co., Ltd.

Reviewing alternatives for the REOMAX STS2250, a 25A 72VDC slow-blow fuse in a 2410 package. Key considerations for any replacement are the current rating, voltage rating, and fuse type to ensure safety and proper operation.

AI replacement insight

Electrical riskmedium

Current rating changes affect circuit protection.

Package risklow

Package is a standard 2410, alternatives are form-factor compatible.

Can it be replaced directly?

No direct drop-in replacement was found. Alternatives like STS2300 and STS2200 exist within the same family but have different current ratings requiring review.

Best replacement path

The STS2300 is an upgrade path within the same series with a 30A rating. The STS2200 is a downgrade option at 20A. Both require review.

Main risk

The main risk is selecting a fuse with an incorrect current rating, leading to either insufficient protection or nuisance tripping.

Recommended alternatives

Same series and package with a higher 30A current rating. Verify if reduced overcurrent protection is acceptable.

View details

Alternative comparison matrix

Feature / factor	STS2250	STS2300	STS2200	Compatibility / risk
Package	6125 (2410)	6125 (2410)	6125 (2410)	6125 (2410) — Form and fit are identical.; STS2200: Form and fit are identical.
Voltage	72.0V	72.0V	72VDC	72.0V / 72VDC — Voltage rating is identical.; STS2200: Voltage rating is identical.
Current	25.0A	30.0A	20A	30.0A / 20A — Higher current rating provides less protection.; STS2200: Lower current rating may cause nuisance tripping.
Polarity Or Type	Time-Lag (Slow-Blow)	Slow-Blow (Time-Lag)	Time-Lag (Slow-Blow)	Slow-Blow (Time-Lag) / Time-Lag (Slow-Blow) — Fuse characteristic is the same.; STS2200: Fuse characteristic is the same.

Application & sourcing insights

Questions & answers

The REOMAX STS2300 is a potential upgrade (30A), and the STS2200 is a downgrade (20A). Both are in the same family and package but require careful review of the new current rating for your application.