Is there a pin-compatible replacement for LZ220UF50V90RV0125?

Yes, FZ220UF50V90RV0126 is a potential pin-compatible replacement. Other parts like EMK1HM221GB0D00R also share the same package but require datasheet verification for key electrical parameters before use.

What risks should I check before replacing LZ220UF50V90RV0125?

Before replacing, verify that the substitute's ripple current rating is at least 500mA and its endurance is at least 2000 hours at 105°C. Also, check the ESR (impedance) to ensure it's compatible with your circuit's design.

LZ220UF50V90RV0125 Alternatives, Datasheet & Cross Reference | KNSCHA

Find and compare replacements for the KNSCHA LZ220UF50V90RV0125, a 220µF 50V aluminum electrolytic capacitor. This page provides analysis on pin-compatible upgrades and functional alternatives.

AI replacement insight

Package risklow

Several candidates share the 10x10.5mm package, ensuring physical compatibility.

Electrical riskmedium

Beyond primary specs, secondary parameters like ripple current and ESR must be verified to prevent overheating or failure.

Can it be replaced directly?

Yes, FZ220UF50V90RV0126 from KNSCHA is a potential drop-in replacement for LZ220UF50V90RV0125, offering improved performance.

Best replacement path

The best alternative is FZ220UF50V90RV0126, an upgrade from the same manufacturer with identical form-fit-function and superior endurance and ripple current handling.

Main risk

The main risk when considering other alternatives is ensuring the ripple current, ESR, and lifetime ratings are sufficient for the application, as this data is not always available.

Recommended alternatives

A potential drop-in upgrade from the same manufacturer with improved ripple current and endurance.

View details

Alternative comparison matrix

Feature / factor	LZ220UF50V90RV0125	FZ220UF50V90RV0126	EMK1HM221GB0D00R	VT1H221M1010	Compatibility / risk
Package	SMD, 10mm x 10.5mm	SMD, 10mm x 10.5mm	SMD, 10mm x 10.5mm	10x10.2mm	SMD, 10mm x 10.5mm / 10x10.2mm — Identical package dimensions.; EMK1HM221GB0D00R: Identical package dimensions.; VT1H221M1010: Slightly shorter height (10.2mm vs 10.5mm), generally acceptable.
Voltage	50V	50V	50V	50V	50V — Voltage rating is identical.; EMK1HM221GB0D00R: Voltage rating is identical.; VT1H221M1010: Voltage rating is identical.
Capacitance	220µF	220µF	220µF	220µF	220µF — Capacitance is identical.; EMK1HM221GB0D00R: Capacitance is identical.; VT1H221M1010: Capacitance is identical.
Ripple Current	500mA	560mA	unknown	unknown	560mA / unknown — Higher ripple current capability is a safe upgrade.; EMK1HM221GB0D00R: Ripple current rating must be verified from datasheet.; VT1H221M1010: Ripple current rating must be verified from datasheet.
Endurance	2000h	5000h	2000-3000h	2000h	5000h / 2000-3000h / 2000h — Longer lifetime provides higher reliability.; EMK1HM221GB0D00R: Endurance is comparable or better.; VT1H221M1010: Endurance is identical.

Application & sourcing insights

Questions & answers

The best alternative is FZ220UF50V90RV0126. It is made by the same manufacturer, KNSCHA, and offers the same core specifications with improved endurance and ripple current handling, making it a reliable upgrade.