Is there a pin-compatible replacement for 189RV0081?

Yes, KNSCHA XT100UF25V90RV0062 is a pin-compatible replacement. Other parts like KNSCHA XT100UF35V90RV0065 also match the package and pinout but have a higher voltage rating, making them a safe upgrade.

What risks should I check before replacing 189RV0081?

Key risks include mismatched ripple current rating, ESR (Equivalent Series Resistance), and operating temperature range. Using a part with much lower ESR can cause instability in some circuits and should be verified.

189RV0081 Alternatives, Datasheet & Cross Reference | KNSCHA

Finding a substitute for the KNSCHA 189RV0081, a 100µF 25V aluminum electrolytic capacitor, involves matching capacitance, voltage, and the 6.3mm x 7.7mm SMD package. Several pin-compatible and upgrade options are available.

AI replacement insight

Package risklow

The 6.3mm x 7.7mm SMD package is common, and many alternatives match the form factor.

Electrical riskmedium

While many parts match capacitance/voltage, parameters like ESR and ripple current can vary and impact performance.

Sourcing risklow

This is a very common capacitor value and package, with many available manufacturers.

Can it be replaced directly?

Yes, KNSCHA XT100UF25V90RV0062 is a direct replacement for 189RV0081, offering identical key specifications and package.

Best replacement path

Use KNSCHA XT100UF25V90RV0062 for a direct, pin-compatible replacement.

Main risk

The main risk when substituting is using a capacitor with a significantly different ESR, which can affect circuit stability, especially in power supply applications.

Recommended alternatives

A near-identical match from the same manufacturer with the same key specs, package, and a slightly better ripple current rating.

View details

Alternative comparison matrix

Feature / factor	189RV0081	XT100UF25V90RV0062	XT100UF35V90RV0065	EMZA350ARA101MF80G	Compatibility / risk
Capacitance	100µF	100µF	100µF	-	100µF — Exact match.; XT100UF35V90RV0065: Exact match.
Voltage	25V	25V	35V	35V	25V / 35V — Exact match.; XT100UF35V90RV0065: Higher voltage rating provides more design margin and is a safe upgrade.; EMZA350ARA101MF80G: Higher voltage rating provides more design margin.
Package	SMD, 6.3mm x 7.7mm	SMD, 6.3mm x 7.7mm	SMD, 6.3mm x 7.7mm	SMD, 6.3mm x 7.7mm	SMD, 6.3mm x 7.7mm — Identical package dimensions ensure form-fit compatibility.; XT100UF35V90RV0065: Identical package ensures drop-in physical compatibility.; EMZA350ARA101MF80G: Identical package ensures form-fit compatibility.
Ripple Current	91mA	100mA	92mA	280mA @ 100kHz	100mA / 92mA / 280mA @ 100kHz — Slightly higher ripple current handling is a safe improvement.; XT100UF35V90RV0065: Effectively identical ripple current rating.; EMZA350ARA101MF80G: Significantly higher ripple current rating indicates a higher performance part.
Manufacturer	KNSCHA	KNSCHA	-	-	KNSCHA — Same manufacturer, different series.
Esr	Not specified	-	-	340mΩ @ 100kHz	340mΩ @ 100kHz — This is a low-ESR part, which may differ significantly from the target. Circuit stability should be verified.

Application & sourcing insights

Questions & answers

The KNSCHA XT100UF25V90RV0062 is an excellent alternative, offering nearly identical specifications, package, and performance from the same manufacturer.