EPCOS B41231A3109M Aluminum Electrolytic Capacitor

Date:2026-3-13 Share to:

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 capacitor delivers exceptional stability, low ESR, and extended operational lifetime under continuous high-ripple-current conditions. With a robust 10,000μF capacitance and 63V DC rated voltage, it serves as a critical energy storage and filtering solution in power supplies, motor drives, and automation systems.

Technical Specifications

Parameter Value
Brand EPCOS (TDK)
Model Number B41231A3109M
Capacitance 10,000 μF ±20%
Rated Voltage 63 V DC
Temperature Range –40°C to +105°C
Lifetime (at +105°C, rated voltage) 5,000 hours
Ripple Current (100 Hz, +105°C) 5.2 A
ESR (100 Hz, +20°C) Max. 22 mΩ
Case Size (D × L) 35 mm × 50 mm
Termination Radial leaded (standard pitch: 10 mm)

Key Features

  • Genuine EPCOS Original: Sourced directly from authorized TDK-EPCOS distribution channels — no counterfeits or refurbished units.
  • Long-Life Design: Rated for 5,000 hours at full load and +105°C, ideal for mission-critical industrial environments.
  • High Ripple Current Handling: Optimized for stable performance in high-power switching applications.
  • Low ESR & High Reliability: Precision-formed foil and advanced electrolyte ensure consistent electrical behavior over time.
  • RoHS Compliant & Halogen-Free: Meets global environmental and safety standards.

Typical Applications

The B41231A3109M is widely deployed across industrial electronics where reliability and longevity are non-negotiable:

  • Industrial PLCs and programmable logic controllers
  • AC/DC and DC/DC power supplies for automation equipment
  • Variable frequency drives (VFDs) and servo amplifier circuits
  • Uninterruptible power supplies (UPS) and energy storage buffers
  • Railway traction control and renewable energy inverters

Supply Information

In-stock availability: Gopi International maintains real-time inventory of the EPCOS B41231A3109M capacitor in Shanghai. Bulk and sample orders are supported with fast dispatch and traceable logistics. All units are factory-fresh, with full batch documentation and authenticity verification upon request.

Contact Us

For technical inquiries, volume pricing, or OEM support, contact our dedicated component specialists:

  • Phone: +86-21-24208728
  • Email: ghb585@163.com
  • Address: Shanghai, China

We provide comprehensive technical support — including datasheets, application notes, and compatibility guidance — to ensure optimal integration of the B41231A3109M into your design.

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