EPCOS B41505A3109M Aluminum Electrolytic Capacitor

Date:2026-3-12 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 stable performance under continuous operation, elevated temperatures, and high ripple current conditions. With a capacitance of 10,000 µF and a rated voltage of 25 V DC, the B41505A3109M belongs to the robust B41505 series, known 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
Load Life 10,000 h @ +105°C, rated voltage
Ripple Current (100 kHz) 3.8 A RMS (at +105°C)
ESR (100 kHz) Max. 22 mΩ @ +20°C
Case Size (D × L) 18 mm × 35.5 mm
Polarity Polarized (Radial leaded)
Series B41505 — Industrial-Grade Long-Life Aluminum Electrolytic

Key Features

  • Original Genuine EPCOS Component: Direct-from-factory authenticity with full traceability and warranty support.
  • Extended Service Life: Rated for 10,000 hours at +105°C — ideal for mission-critical industrial power supplies and motor drives.
  • High Ripple Current Handling: Optimized for high-efficiency switching converters and UPS systems.
  • Low ESR & Stable Impedance: Ensures minimal power loss and thermal stress during prolonged operation.
  • RoHS-Compliant & Halogen-Free: Meets global environmental and safety standards for industrial electronics.

Typical Applications

The EPCOS B41505A3109M is widely deployed in:

  • Industrial automation controllers (PLC, DCS, HMI power stages)
  • AC/DC and DC/DC power supplies for factory equipment
  • Motor drive inverters and servo amplifier filters
  • Uninterruptible Power Supplies (UPS) and energy storage interfaces
  • Renewable energy inverters (solar/wind grid-tie systems)

Supply Information

Gopi International maintains in-stock inventory of the EPCOS B41505A3109M aluminum electrolytic capacitor, ensuring fast order fulfillment and reliable logistics across Asia and global markets. All units are 100% original, factory-sealed, and backed by comprehensive technical documentation including datasheets, reliability reports, and application notes. Volume pricing and OEM support available upon request.

Contact Us

For immediate quotation, stock verification, or engineering assistance, contact our component specialists:

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