Product Overview
The EPCOS B41231A3109M is a high-reliability, long-life aluminum electrolytic capacitor engineered for demanding industrial control applications. Manufactured by TDK-EPCOS — a global leader in passive components — this genuine, factory-original component delivers exceptional stability, low ESR, and extended operational life under continuous high-ripple-current conditions. Designed for robust performance in harsh environments, the B41231A3109M is ideal for power supplies, motor drives, UPS systems, and industrial automation equipment where reliability and longevity are critical.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | EPCOS (TDK) |
| Model Number | B41231A3109M |
| Capacitance | 10,000 µF ±20% |
| Rated Voltage | 63 V DC |
| Series | B41231 — Industrial Long-Life Aluminum Electrolytic |
| Operating Temperature Range | –40 °C to +105 °C |
| Lifetime (at 105 °C, rated voltage) | 5,000 hours (extended-life design) |
| Ripple Current (100 Hz, 105 °C) | 5.8 A |
| ESR (100 Hz, 20 °C) | Max. 22 mΩ |
| Dimensions (D × L) | 35 mm × 50 mm (standard radial leaded can) |
Key Features
- Genuine EPCOS Original: Direct-from-factory, traceable batch documentation and full compliance with RoHS/REACH.
- Extended Service Life: Up to 5,000 hours at full-rated voltage and 105 °C — optimized for continuous industrial operation.
- High Ripple Current Handling: Robust construction supports stable performance under high-frequency switching loads.
- Low Impedance & ESR: Ensures superior filtering and energy storage efficiency in DC-link and smoothing applications.
- Industrial-Grade Reliability: Enhanced sealing and electrolyte formulation for thermal and vibration resistance.
Typical Applications
The B41231A3109M is widely deployed across industrial electronics requiring high capacitance, high voltage tolerance, and sustained reliability, including:
- Industrial PLC power supplies and I/O modules
- Variable frequency drives (VFDs) and servo amplifier DC-links
- Uninterruptible power supplies (UPS) and backup power systems
- Welding equipment and laser power supplies
- Renewable energy inverters (solar/wind)
Supply Information
Gopi International maintains in-stock inventory of the EPCOS B41231A3109M capacitor for immediate shipment. All units are 100% authentic, new-in-sealed-packaging, with full manufacturer warranty. We support volume orders, custom labeling, and provide datasheets, reliability reports, and application engineering assistance upon request.
Contact Us
For pricing, stock availability, technical consultation, or sample requests, please contact our component specialists:
- Phone: +86-21-24208728
- Email: ghb585@163.com
- Address: Shanghai, China
