What risks should I check before replacing MPX225K31E7AJ15800?

Key risks include package mismatch (especially lead pitch), dielectric type (must be a film capacitor, not electrolytic), and ensuring the replacement has equivalent X2 safety certifications.

MPX225K31E7AJ15800 Alternatives, Datasheet & Cross Reference | KNSCHA

Finding a replacement for the KNSCHA MPX225K31E7AJ15800, a 2.2µF 275VAC X2 safety capacitor, involves matching capacitance, voltage, safety ratings, and the 22.5mm lead pitch.

AI replacement insight

Package riskmedium

Many alternatives have different lead pitch, requiring PCB changes.

Electrical risklow

Strong candidates match or exceed key electrical ratings.

Can it be replaced directly?

Direct replacement for MPX225K31E7AJ15800 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

KYET PX225K2C2203 is the best path, offering matching key specs and lead pitch.

Main risk

The main risk is package mismatch. Several alternatives have different lead spacing, requiring PCB changes.

Recommended alternatives

A strong alternative with matching key specs and lead pitch, plus a higher voltage rating.

View details

Alternative comparison matrix

Feature / factor	MPX225K31E7AJ15800	PX225K2C2203	PX225K2C2705	Compatibility / risk
Package	Radial, 22.5mm Pitch	Radial, 22.5mm Lead Pitch	Radial, 27.5mm Lead Pitch	Radial, 22.5mm Lead Pitch / Radial, 27.5mm Lead Pitch — Lead pitch matches target.; PX225K2C2705: Wider lead pitch requires PCB modification.
Voltage	275.0V	310.0V	310.0V	310.0V — Higher voltage rating is a safe upgrade.; PX225K2C2705: Higher voltage rating is a safe upgrade.
Capacitance	2.2e-06F	2.2e-06F	2.2e-06F	2.2e-06F — matched; PX225K2C2705: matched
Tolerance	10.0%	10.0%	-	10.0% — matched
Dielectric	Metallized Polypropylene	Metallized Polypropylene Film	Metallized Polypropylene Film	Metallized Polypropylene Film — Matches target's function as a safety film capacitor.; PX225K2C2705: Matches target's function.

Application & sourcing insights

Questions & answers

Verified drop-in options for MPX225K31E7AJ15800 are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.