Is there a pin-compatible replacement for CS1E221M-CRF10?

Yes, several candidates like VP1H221M0810 and RT1V221M0810 share the same 8mm x 10.2mm surface-mount package. While they are expected to be pin-compatible, you should always verify the polarity marking and land pattern from the datasheet before assembly.

What risks should I check before replacing CS1E221M-CRF10?

Before replacing, verify the substitute's load life, ESR, and ripple current ratings meet your application's requirements. A part like RT1E221M0810 has a shorter load life, which could impact reliability. Always confirm the pinout and polarity markings.

CS1E221M-CRF10 Alternatives, Datasheet & Cross Reference | ROQANG

Find and compare suitable replacements for the ROQANG CS1E221M-CRF10, a 220µF 25V aluminum electrolytic capacitor. This guide analyzes alternatives based on key electrical and mechanical parameters to help you make an informed decision.

AI replacement insight

Package risklow

Multiple candidates share the same 8mm x 10.2mm SMD package, but pinout/polarity must be verified.

Electrical riskmedium

Some candidates have lower load life. ESR and ripple current must be checked for the specific application.

Sourcing risklow

Alternatives are available from multiple manufacturers, including HONOR and ROQANG.

Can it be replaced directly?

Yes, there are several potential replacements for CS1E221M-CRF10. The strongest candidates are VP1H221M0810 and RT1V221M0810, which offer upgraded voltage ratings in the same package.

Best replacement path

The best replacement path is an upgrade to a part with a higher voltage rating, such as VP1H221M0810 (50V) or RT1V221M0810 (35V), as this provides additional design margin.

Main risk

The main risk when substituting is overlooking secondary parameters like load life, ESR, and ripple current, which can affect circuit performance and reliability.

Recommended alternatives

A strong alternative from the same manufacturer with upgraded voltage and temperature ratings.

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Alternative comparison matrix

Feature / factor	CS1E221M-CRF10	RT1V221M0810	VP1H221M0810	RT1E221M0810	Compatibility / risk
Voltage	25V	35V	50V	25V	35V / 50V / 25V — Candidate voltage rating is higher, a safe upgrade.; VP1H221M0810: Candidate voltage rating is higher, which is a safe upgrade.; RT1E221M0810: Voltage rating matches.
Temperature	-55°C to +105°C	-55°C to +125°C	-	-55°C to +125°C	-55°C to +125°C — Wider operating temperature range is an upgrade.; RT1E221M0810: Wider operating temperature range is an upgrade.
Capacitance	220µF ±20%	220µF ±20%	220µF ±20%	220µF ±20%	220µF ±20% — Capacitance and tolerance match.; VP1H221M0810: Capacitance and tolerance match.; RT1E221M0810: Capacitance and tolerance match.
Package	8mm x 10.2mm	8mm x 10.2mm	8mm x 10.2mm	8mm x 10.2mm	8mm x 10.2mm — Package dimensions match.; VP1H221M0810: Package dimensions match.; RT1E221M0810: Package dimensions match.
Load Life	2000h @ 105°C	-	2000h @ 105°C	1000h @ 105°C	2000h @ 105°C / 1000h @ 105°C — Load life matches target specification.; RT1E221M0810: Candidate has a shorter load life, which may impact long-term reliability.

Application & sourcing insights

Questions & answers

The best alternatives for CS1E221M-CRF10 are VP1H221M0810 and RT1V221M0810. Both offer the same capacitance and package but have higher voltage ratings, providing a safe upgrade path for most applications.