EPCOS B41231A3109M Aluminum Electrolytic Capacitor

Date:2026-3-14 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 globally recognized leader in passive components — this genuine OEM component delivers exceptional stability, low ESR, and extended service life under continuous operation. Designed for rugged environments, it ensures consistent performance in power supplies, motor drives, and automation systems where reliability and longevity are critical.

Technical Specifications

Parameter Value
Brand EPCOS (TDK)
Model B41231A3109M
Capacitance 10,000 µF ±20%
Rated Voltage 63 V DC
Series B41231 (Industrial Long-Life)
Construction Radial Lead, Non-Solid 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) 5.8 A
ESR (100 Hz, 20 °C) Max. 22 mΩ

Key Features

  • Genuine EPCOS (TDK) original component — guaranteed authenticity and full compliance with datasheet specifications
  • ✅ Extended lifetime design: up to 5,000 hours at 105 °C under full-rated voltage
  • ✅ Low Equivalent Series Resistance (ESR) for superior ripple current handling and thermal performance
  • ✅ Optimized for industrial-grade stability — ideal for high-temperature, high-humidity, and vibration-prone environments
  • ✅ RoHS-compliant and halogen-free construction

Typical Applications

The B41231A3109M is widely deployed across industrial electronics requiring robust energy storage and filtering, including:

  • Industrial PLCs and programmable logic controllers
  • AC/DC and DC/DC power supplies for factory automation
  • Motor drive inverters and servo amplifier circuits
  • Uninterruptible Power Supplies (UPS) and backup systems
  • Welding equipment and power conditioning units

Supply Information

Gopi International maintains real-time stock of the EPCOS B41231A3109M — ready for immediate shipment worldwide. As an authorized distribution partner, we guarantee 100% genuine, traceable components with full factory warranty. All capacitors undergo rigorous incoming inspection to ensure mechanical integrity, electrical performance, and date-code freshness. Volume pricing and custom packaging options available upon request.

Contact Us

For technical inquiries, bulk orders, or application support, contact our engineering sales team:

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