
KNSCHA
A potential pin-compatible alternative with matching key electricals, package, and a wider operating temperature range.
Finding a substitute for the KYET PE103J2A0501 10nF 100V film capacitor requires matching key electricals and the 5mm radial package. Several alternatives exist, but require careful review of voltage and dielectric material.
Lead pitch must be verified as 5mm.
Key parameters match on best candidates.
Yes, MPE103J100V82CL0048 is a potential pin-for-pin replacement for PE103J2A0501, but datasheet verification is required to confirm exact dimensions and electrical characteristics.
The KNSCHA MPE103J100V82CL0048 appears to be the strongest candidate, matching all key parameters including package, voltage, and dielectric.
The main risk is mechanical incompatibility from incorrect lead pitch or body size. A secondary risk is performance variation from using a different dielectric material.

KNSCHA
A potential pin-compatible alternative with matching key electricals, package, and a wider operating temperature range.
| Feature / factor | PE103J2A0501 | MPE103J100V82CL0048 | CL112J103J0501 | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | Radial, 5mm Pitch | Radial, 5mm Lead Pitch | Radial, 5mm Pitch | Radial, 5mm Lead Pitch / Radial, 5mm Pitch — Package and lead pitch appear to match.; CL112J103J0501: Package and lead pitch match. | |
| Voltage | 100V | 100V | 630V | 100V / 630V — Voltage rating matches.; CL112J103J0501: Voltage rating is much higher. | |
| Capacitance | 10nF | 10nF | 10nF | 10nF — Capacitance matches.; CL112J103J0501: Capacitance matches. | |
| Dielectric | Metallized Polyester | Metallized Polyester | Polyester | Metallized Polyester — Dielectric material matches.; CL112J103J0501: Dielectric is Polyester, not Metallized Polyester. | |
| Temperature | -40°C to +85°C | -55°C to +85°C | - | -55°C to +85°C — Wider operating temperature range. |
Verified drop-in options for PE103J2A0501 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.