
NCC(Nippon Chemi-Con)
Significant upgrade in voltage, lifetime, and ripple current, but requires physical fit check due to larger diameter.
Finding a replacement for the KNSCHA 152EC0409, a 1000uF 50V radial capacitor, involves checking physical dimensions. Several alternatives offer upgraded voltage or lifetime but may have a larger case size.
Most candidates are physically larger than the target's 13mm diameter.
Most candidates meet or exceed the target's voltage and capacitance ratings.
No exact drop-in replacement was found. The closest functional match is CapXon's KM102M050I250A, which has a shorter body. All other candidates have different physical dimensions.
Upgrade to a part like NCC's EKZN630ELL102ML25S for better lifetime and electricals, if the larger 16mm diameter fits.
The primary risk is physical incompatibility. Most alternatives have a larger diameter (16mm vs 13mm) and will not fit without PCB modification.

NCC(Nippon Chemi-Con)
Significant upgrade in voltage, lifetime, and ripple current, but requires physical fit check due to larger diameter.
| Feature / factor | 152EC0409 | EKZN630ELL102ML25S | KM102M050I250A | ERS1HM102L25OT | Compatibility / risk |
|---|---|---|---|---|---|
| Voltage | 50V | 63V | 50V | 50V | 63V / 50V — Higher voltage rating provides more margin.; KM102M050I250A: Voltage rating matches.; ERS1HM102L25OT: Voltage rating matches.; EWH1JM102L25OT: Higher voltage rating provides more margin. |
| Lifetime | 3000h | 10000h | Unknown | 10000h | 10000h / Unknown / 2000h — Significantly longer lifetime.; KM102M050I250A: Candidate lifetime not specified in provided data.; ERS1HM102L25OT: Significantly longer lifetime is a major upgrade.; EWH1JM102L25OT: Shorter lifetime is a significant downgrade. |
| Current | 1.089A | 2.89A | - | - | 2.89A — Higher ripple current handling. |
| Package | 13mm x 25mm | 16mm x 25mm | 13mm x 20mm | 16mm x 25mm | 16mm x 25mm / 13mm x 20mm — Larger diameter requires more board space.; KM102M050I250A: Shorter case length.; ERS1HM102L25OT: Larger diameter requires more board space.; EWH1JM102L25OT: Larger diameter requires more board space. |
| Capacitance | 1000µF | - | 1000µF | - | 1000µF — Capacitance matches. |
The best alternative depends on physical space. If a 16mm diameter fits, EKZN630ELL102ML25S is a significant electrical upgrade. If not, KM102M050I250A is electrically identical but physically shorter.