EPCOS B41505A3109M Aluminum Electrolytic Capacitor

Date:2026-3-14 Share to:

Product Overview

The EPCOS B41505A3109M 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 thermal and electrical stress. With a capacitance of 10,000 µF and a rated voltage of 25 V DC, the B41505A3109M belongs to the robust B41505 series, specifically designed for high-ripple-current environments where durability and consistent performance are critical.

Technical Specifications

Parameter Value
Brand EPCOS (TDK)
Model Number B41505A3109M
Capacitance 10,000 µF ±20%
Rated Voltage 25 V DC
Temperature Range –40 °C to +105 °C
Lifetime (at 105 °C, full ripple) 5,000 hours
Ripple Current (100 Hz, 105 °C) 4.8 A RMS
ESR (100 Hz, 20 °C) Max. 22 mΩ
Case Code / Dimensions (D × L) 18 mm × 35.5 mm
Polarity Polarized (Radial Lead)

Key Features

  • Industrial-Grade Longevity: Rated for up to 5,000 hours at 105 °C — ideal for mission-critical power supplies and motor drives.
  • Low Impedance & High Ripple Handling: Optimized for stable filtering in high-current DC-link and smoothing circuits.
  • Genuine EPCOS Original: Fully traceable, factory-fresh stock — no counterfeits or refurbished units.
  • Robust Construction: Non-solvent resistant, flame-retardant sleeve (UL94 V-0), and sealed aluminum can for enhanced moisture resistance.
  • Compliance Ready: RoHS 3 compliant, REACH certified, and halogen-free options available upon request.

Typical Applications

The EPCOS B41505A3109M excels in industrial electronics requiring sustained energy storage and reliable filtering, including:

  • Industrial PLCs and automation controllers
  • Variable frequency drives (VFDs) and servo amplifier DC-links
  • Uninterruptible power supplies (UPS) and backup systems
  • Welding equipment and power rectifier stages
  • Renewable energy inverters (solar/wind grid-tie support)

Supply Information

Gopi International maintains real-time inventory of the EPCOS B41505A3109M — all units are 100% original, factory-sealed, and fully traceable. We offer rapid global shipping from our Shanghai distribution hub, with flexible MOQs and volume pricing for OEMs and contract manufacturers. Technical datasheets, SPICE models, and application notes are available upon request.

Contact Us

For immediate stock verification, technical consultation, or bulk quotations, contact Gopi International today:

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