Product Overview
The EPCOS B41231A3109M is a high-reliability, long-life aluminum electrolytic capacitor engineered for demanding industrial control applications. As part of the robust B41231 series, this genuine EPCOS component delivers exceptional stability, low ESR, and extended service life under continuous operation — ideal for power supplies, motor drives, and automation systems requiring sustained performance at elevated temperatures and ripple currents.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | EPCOS (TDK) |
| Model Number | B41231A3109M |
| Capacitance | 10,000 µF ±20% |
| Rated Voltage | 63 V DC |
| Operating Temperature Range | −40 °C to +105 °C |
| Rated Ripple Current (105 °C, 100 Hz) | 5.6 A |
| ESR (100 Hz, 20 °C) | Max. 22 mΩ |
| Lifetime (at 105 °C, rated voltage) | 5,000 hours |
| Termination Type | Radial leaded (standard pitch) |
| Case Size (D × L) | Φ22 mm × 45 mm |
Key Features
- ✅ Genuine EPCOS (TDK) original component — fully traceable with factory batch documentation
- ✅ Extended lifetime design: up to 5,000 hours at 105 °C under full-rated conditions
- ✅ Optimized for high-ripple-current environments in industrial power electronics
- ✅ Low-impedance construction with ultra-low ESR for improved thermal performance
- ✅ RoHS-compliant and halogen-free per IEC 61249-2-21
- ✅ Designed for stable capacitance retention and minimal leakage current over time
Typical Applications
The B41231A3109M excels in mission-critical industrial systems including:
- AC/DC and DC/DC switching power supplies
- Variable frequency drives (VFDs) and servo amplifier bus filtering
- PLC power modules and industrial HMI power conditioning
- Uninterruptible power supplies (UPS) and energy storage interfaces
- Renewable energy inverters (solar/wind grid-tie support)
Supply Information
Gopi International maintains real-time inventory of the EPCOS B41231A3109M — ready for immediate shipment worldwide. All units are 100% authentic, factory-fresh, and backed by EPCOS’s global quality assurance. We provide full datasheets, reliability reports, and application-level technical support for design-in assistance.
Contact Us
For pricing, bulk quotations, or engineering consultation, contact our capacitors specialist team today:
- Phone: +86-21-24208728
- Email: ghb585@163.com
- Address: Shanghai, China
