Technical specifications for TDK B43548 series aluminum electrolytic snap‑in capacitors.
The B43548 series are snap‑in aluminum electrolytic capacitors offered by TDK Electronics. They are designed for long‑life, high‑frequency applications such as servo drives, frequency converters, solar inverters and professional power supplies. The series provides a wide range of voltage and capacitance values with low ESR and high ripple‑current capability.
The datasheet includes application areas, electrical characteristics, dimensional drawings, ordering codes, and safety information. Various terminal styles (standard 6.3 mm, short 4.5 mm, and 3‑terminal) and insulation options (PET, PVC with PET cap) are available.
| Rated voltage (VR) | 400 V – 500 V DC |
|---|---|
| Rated capacitance (CR) | 68 µF – 820 µF |
| ESR (typical at 100 Hz, 20 °C) | 1.43 mΩ – 9.80 mΩ (depending on size) |
| Dissipation factor (tan δ) | ≤ 0.15 |
| Operating temperature range | 40 °C – +105 °C |
The B43548 series is available with rated voltages from 400 V to 500 V DC.
Typical ESR values range from about 1.43 mΩ to 9.80 mΩ depending on the size and rating.