B41231, B43231 snap-in capacitors are general-purpose grade capacitors for use in switch-mode power supplies in industrial and entertainment electronics.
The B41231 and B43231 series are standard‑grade aluminum electrolytic snap‑in capacitors designed for switch‑mode power supplies in industrial and entertainment electronics. They feature high ripple current capability, RoHS‑compatible construction, and a load life of 2000 h at 85 °C.
The leaflet lists detailed electrical characteristics, dimensional drawings, and handling cautions. It includes rated voltage ranges from 10 V to 500 V, capacitance values from 56 µF to 68 000 µF, and temperature operating limits up to +85 °C. Users are advised to follow the cautions and warnings regarding soldering stress and proper mounting to ensure reliable operation.
| Rated voltage | 10 V … 500 V DC |
|---|---|
| Rated capacitance | 56 µF … 68 000 µF (20 °C, 120 Hz) |
| Load life | 2000 h at 85 °C |
| Operating temperature range | -40 °C … +85 °C (for 250 V parts) |
| Ripple current capability | High |
| RoHS compliance | Yes |
| Leakage current | < 0.02 µA (at 20 °C, after 5 min) |
The capacitors are rated from 10 V up to 500 V DC.
They have a load life of 2000 hours at 85 °C.
Yes, the series is RoHS‑compatible.
Do not apply excessive force to the leads, avoid tilting or bending after soldering, and ensure terminal spacing matches the PCB hole spacing.