Is there a pin-compatible replacement for 03EC0776?

Currently, no pin-compatible (pin-to-pin) replacement has been verified. All reviewed alternatives require checking physical dimensions and mounting type (through-hole vs. surface mount).

What risks should I check before replacing 03EC0776?

The primary risk is mechanical incompatibility. Verify the candidate's package dimensions (diameter, height, lead spacing) or mounting type (SMD) against your PCB layout. Also check ripple current and lifetime ratings.

03EC0776 Alternatives, Datasheet & Cross Reference | KNSCHA

The KNSCHA 03EC0776 is a 100µF 25V radial aluminum electrolytic capacitor. While no direct drop-in replacements have been identified, several functional alternatives with similar electrical characteristics but different packages are available, requiring board layout review.

AI replacement insight

Package riskhigh

Target is through-hole; many alternatives are SMD or different radial sizes, requiring board redesign.

Electrical risklow

Key parameters (capacitance, voltage) are matched or upgraded in most candidates.

Can it be replaced directly?

No direct, drop-in replacement for 03EC0776 has been identified. All candidates require physical layout verification due to package differences.

Best replacement path

Use a functional alternative with matching electricals, but plan for PCB layout changes to accommodate a different package.

Main risk

Package Mismatch

Recommended alternatives

Functional alternative with identical electrical ratings but a different radial package size.

View details

Alternative comparison matrix

Feature / factor	03EC0776	ZF107M025E07RR0VH4FP0	XT100UF25V90RV0062	XT100UF35V90RV0065	Compatibility / risk
Package	Radial, 5x11mm	Radial, 6.3mm x 7mm	SMD, 6.3mm x 7.7mm	SMD, 6.3mm x 7.7mm	Radial, 6.3mm x 7mm / SMD, 6.3mm x 7.7mm — Candidate is wider and shorter. Verify PCB fit.; XT100UF25V90RV0062: Candidate is Surface Mount (SMD), target is Through-Hole (Radial).; XT100UF35V90RV0065: Candidate is Surface Mount (SMD), target is Through-Hole (Radial).
Voltage	25V	25V	25V	35V	25V / 35V — matched; XT100UF25V90RV0062: matched; XT100UF35V90RV0065: Higher voltage rating provides more design margin.
Capacitance	100uF	100uF	100uF	100uF	100uF — matched; XT100UF25V90RV0062: matched; XT100UF35V90RV0065: matched
Ripple Current	135mA	160mA	100mA @ 100kHz	92mA @ 120Hz	160mA / 100mA @ 100kHz / 92mA @ 120Hz — Candidate has higher ripple current rating.; XT100UF25V90RV0062: Lower rating and different test frequency. Verify application.; XT100UF35V90RV0065: Lower rating, verify application requirements.

Application & sourcing insights

Questions & answers

No direct drop-in replacement was found. However, parts like ZF107M025E07RR0VH4FP0 offer identical electrical specs in a different radial package. Several SMD options also exist if your design can accommodate them.