EPCOS B41505A3109M Aluminum Electrolytic Capacitor

Date:2026-3-9 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, factory-original component delivers stable performance under continuous operation, elevated temperatures, and high ripple current conditions. With a capacitance of 10,000μF and a rated voltage of 25V, the B41505A3109M belongs to the robust B41505 series, renowned for extended service life (up to 10,000 hours at +105°C) and low ESR.

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) 10,000 hours
Ripple Current (100 kHz, +105°C) 3.7 A
ESR (100 kHz, +20°C) Max. 22 mΩ
Case Size (D × L) 18 mm × 35.5 mm
Polarity Polarized (Radial Lead)

Key Features

  • Genuine EPCOS Original: Direct-from-factory authenticity with full traceability and compliance to IEC/EN 60384-4 standards.
  • Extended Service Life: Up to 10,000 hours at +105°C — ideal for industrial automation, power supplies, and motor drives requiring long-term reliability.
  • High Ripple Current Handling: Optimized for low-loss operation in switching power converters and UPS systems.
  • Low Impedance Design: Ultra-low ESR ensures superior thermal performance and reduced power loss.
  • RoHS Compliant & Halogen-Free: Environmentally responsible construction meeting global regulatory requirements.

Typical Applications

The B41505A3109M is widely deployed in mission-critical industrial electronics, including:

  • Industrial PLCs and motion controllers
  • DC-link filtering in inverters and servo drives
  • Uninterruptible Power Supplies (UPS)
  • Switching Mode Power Supplies (SMPS)
  • Renewable energy interfaces (e.g., solar inverters)

Supply Information

Gopi International maintains in-stock inventory of the EPCOS B41505A3109M aluminum electrolytic capacitor, ensuring fast lead times and reliable supply chain continuity. All units are 100% original, tested, and backed by EPCOS’s full warranty. Volume pricing and custom packaging options are available upon request.

Contact Us

For technical support, datasheets, or immediate ordering, contact Gopi International today:

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