What risks should I check before replacing PE105J2A0501?

The main risks are physical and electrical. Ensure the replacement has the same 5mm lead pitch and fits the PCB space. Electrically, verify the capacitance (1uF), voltage rating (at least 100V), and tolerance (±5% or better) match your circuit's requirements.

PE105J2A0501 Alternatives, Datasheet & Cross Reference | KYET

Finding a replacement for the KYET PE105J2A0501, a 1uF 100V 5% polyester film capacitor, involves matching key electricals and the 5mm radial package. Several alternatives exist with varying degrees of compatibility.

AI replacement insight

Electrical risklow

Key electrical parameters are common and easy to match.

Package riskmedium

Requires datasheet verification to confirm lead spacing and body dimensions for a drop-in fit.

Can it be replaced directly?

Direct replacement for PE105J2A0501 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

The most direct path is using PE105J2A0503, which is in the same series from the same manufacturer and shares key specs.

Main risk

The primary risk is a physical mismatch in package body size or lead spacing, even with parts that seem identical on paper.

Recommended alternatives

A 1uF 100V 5% film capacitor from the same manufacturer and series with a matching 5mm lead pitch.

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Alternative comparison matrix

Feature / factor	PE105J2A0501	PE105J2A0503	PE105J2A0701	Compatibility / risk
Package	Radial, 5mm Pitch	Radial Box, 5mm Pitch	Radial, 7.5mm Pitch	Radial Box, 5mm Pitch / Radial, 7.5mm Pitch — Package type and lead pitch match. Verify physical dimensions from datasheet.; PE105J2A0701: Lead pitch is wider than target and will not fit without modification.
Voltage	100V	100V	100V	100V — Voltage rating matches.; PE105J2A0701: Voltage rating matches.
Capacitance	1µF	1µF	1µF	1µF — matched; PE105J2A0701: matched
Tolerance	±5%	±5%	±5%	±5% — matched; PE105J2A0701: matched
Temperature	-40°C to +85°C	-40°C to +85°C	-40°C to +110°C	-40°C to +85°C / -40°C to +110°C — matched; PE105J2A0701: Candidate has a wider operating temperature range.

Application & sourcing insights

Questions & answers

Verified drop-in options for PE105J2A0501 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.