RST100UF50V012
KNSCHA
Needs validationlow risk
Strong match with identical core specs, package, and load life. Review ripple current.
Best Alternatives to CK1H101M-CRF10
Find verified substitutes for the Fujicon CK1H101M-CRF10, a 100µF 50V aluminum electrolytic capacitor. Compare pin-compatible, upgrade, and cost-effective alternatives.
AI replacement insight
Electrical risklow
Core values match, but ripple current and ESR must be checked for the specific application.
Package risklow
Multiple candidates share the same 8x10.5mm SMD package, ensuring form-fit compatibility.
Sourcing risklow
Multiple viable alternatives exist from different manufacturers, reducing sourcing risk.
Can it be replaced directly?
Direct replacement for CK1H101M-CRF10 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
The KNSCHA RST100UF50V012 is the strongest direct replacement, matching all key parameters. For higher reliability, consider the FZ100UF50V90RV0066 upgrade.
Main risk
The primary risk is mismatch in secondary electrical parameters like ripple current and ESR, which are application-dependent.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | CK1H101M-CRF10 | RST100UF50V012 | FZ100UF50V90RV0066 | VT1H101MF105000CE0 | Compatibility / risk |
|---|---|---|---|---|---|
| Capacitance | 100 µF | 100 µF | - | - | 100 µF — Exact match. |
| Voltage | 50 V | 50 V | - | - | 50 V — Exact match. |
| Package | SMD, 8mm x 10.5mm | SMD, 8mm x 10.5mm | SMD, 8mm x 10.5mm | SMD, 8mm x 10.5mm | SMD, 8mm x 10.5mm — Identical package dimensions.; FZ100UF50V90RV0066: Identical package dimensions.; VT1H101MF105000CE0: Identical package dimensions. |
| Load Life | 2000 hours | 2000 hours | 3000 hours | 1000 hours | 2000 hours / 3000 hours / 1000 hours — Matches target reliability.; FZ100UF50V90RV0066: Longer life offers higher reliability.; VT1H101MF105000CE0: Shorter life may reduce reliability. |
| Ripple Current | Not specified | 170 mA | 300mA @ 100kHz | 296 mA | 170 mA / 300mA @ 100kHz / 296 mA — Target ripple current not specified; must be verified for application.; FZ100UF50V90RV0066: Higher ripple current, but at a different frequency. Likely an upgrade.; VT1H101MF105000CE0: Target ripple current not specified; must be verified for application. |
| Esr | Not specified | - | 800mΩ @ 100kHz | - | 800mΩ @ 100kHz — Low ESR part. Verify circuit stability. |
Application & sourcing insights
Questions & answers
Verified drop-in options for CK1H101M-CRF10 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.