What risks should I check before replacing PE105J2A0502?

When replacing PE105J2A0502, first check the package and lead pitch for mechanical fit. Then, verify the voltage rating is at least 100V. Finally, confirm the maximum operating temperature meets or exceeds your design's requirements.

PE105J2A0502 Alternatives, Datasheet & Cross Reference | KYET

Find and compare replacements for the KYET PE105J2A0502, a 1uF 100V radial film capacitor. This guide analyzes alternatives based on electrical parameters and physical compatibility for your design.

AI replacement insight

Package riskhigh

Many candidates have different lead pitches or are SMD, requiring board redesign.

Electrical riskmedium

Closest options may have a lower temperature rating. Other candidates have wrong dielectric or voltage.

Can it be replaced directly?

Direct replacement for PE105J2A0502 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

MPE105J100V82CL0043 offers the same package and key electricals but has a lower temperature rating. PE105J2A0701 is electrically similar but has a different lead pitch.

Main risk

The primary risks are mechanical incompatibility from different package lead pitches and performance degradation from using a part with a lower temperature rating.

Recommended alternatives

Pin-compatible alternative with matching key electricals but a lower maximum operating temperature.

View details

Alternative comparison matrix

Feature / factor	PE105J2A0502	MPE105J100V82CL0043	PE105J2A0701	Compatibility / risk
Package	Radial, 5mm Lead Pitch	Radial, 5mm Lead Pitch	Radial, 7.5mm Pitch	Radial, 5mm Lead Pitch / Radial, 7.5mm Pitch — Identical form factor and lead spacing.; PE105J2A0701: Wider lead pitch will not fit PCB without modification.
Voltage	100V	100V	100V	100V — Voltage rating matches.; PE105J2A0701: Voltage rating matches.
Capacitance	1uF, ±5%	1uF, ±5%	1uF, ±5%	1uF, ±5% — Capacitance and tolerance match.; PE105J2A0701: Capacitance and tolerance match.
Temperature	-40°C to +110°C	-55°C to +85°C	-40°C to +110°C	-55°C to +85°C / -40°C to +110°C — Lower maximum operating temperature.; PE105J2A0701: Operating temperature range matches.
Dielectric	Metallized Polyester (MEF/CL21)	Metallized Polyester	-	Metallized Polyester — Same dielectric material type.

Application & sourcing insights

Questions & answers

Verified drop-in options for PE105J2A0502 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.