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, original-component capacitor delivers exceptional stability, low ESR, and extended operational lifetime under continuous high-ripple-current conditions. Designed for robust performance in harsh environments, the B41231A3109M ensures consistent power filtering, energy storage, and smoothing in critical power supply and drive circuits.
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) | Up to 5,000 hours |
| Ripple Current (100 Hz, 105 °C) | 5.7 A |
| ESR (100 Hz, 20 °C) | Max. 22 mΩ |
| Case Size (D × L) | Φ25 mm × 45 mm |
Key Features
- Genuine EPCOS Original: Direct-from-factory authenticity guaranteed — no counterfeits or refurbished units.
- Extended Service Life: Optimized for up to 5,000 hours at full-rated voltage and 105 °C.
- High Ripple Current Handling: Robust construction supports 5.7 A RMS ripple current — ideal for switch-mode power supplies and motor drives.
- Low Impedance & ESR: Enhanced efficiency and thermal performance under dynamic load conditions.
- Industrial-Grade Reliability: Compliant with RoHS, AEC-Q200 stress-tested, and qualified for use in PLCs, inverters, UPS systems, and automation controllers.
Typical Applications
The B41231A3109M is widely deployed in:
- Industrial variable-frequency drives (VFDs) and servo amplifiers
- Uninterruptible power supplies (UPS) and DC-link filtering
- Programmable logic controllers (PLCs) and HMI power stages
- Renewable energy inverters (solar/wind)
- Heavy-duty power rectification and bulk energy storage circuits
Supply Information
Gopi International maintains in-stock inventory of the EPCOS B41231A3109M capacitor for immediate shipment worldwide. As an authorized channel partner, we guarantee 100% genuine EPCOS components with full traceability, datasheets, and compliance documentation. Bulk pricing and custom packaging options are available upon request. Lead times are typically same-day dispatch for standard orders.
Contact Us
For technical support, volume quotations, or urgent delivery inquiries, please contact our component specialists:
- Phone: +86-21-24208728
- Email: ghb585@163.com
- Address: Shanghai, China
