EPCOS B41856A3108M Aluminum Electrolytic Capacitor

Date:2026-3-12 Share to:

Product Overview

The EPCOS B41856A3108M is a high-reliability, low-impedance aluminum electrolytic capacitor engineered for demanding communication infrastructure applications. Part of the trusted B41856 series, this genuine EPCOS component delivers stable 1000μF capacitance at a rated voltage of 100V DC, with optimized performance in high-frequency switching environments. Designed and manufactured to stringent industrial standards, it ensures long service life, low ESR, and superior ripple current handling — ideal for power supplies, base station transceivers, and telecom rectifiers.

Technical Specifications

Parameter Value
Brand EPCOS (TDK)
Model Number B41856A3108M
Capacitance 1000 μF
Rated Voltage 100 V DC
Series B41856 — High-Frequency, Low-Impedance Aluminum Electrolytic
Tolerance ±20%
Operating Temperature Range −40°C to +105°C
Ripple Current (100 kHz, 105°C) Up to 2.7 A (typical, refer to datasheet)
ESR (100 kHz, 20°C) ≤ 35 mΩ (typical)
Life Expectancy 5,000 hours @ 105°C, full rated voltage

Key Features

  • Genuine OEM Product: Authentic EPCOS (TDK) capacitor — fully traceable with batch documentation.
  • High-Frequency Optimized: Low ESR and enhanced impedance characteristics for efficient filtering in telecom SMPS and RF power stages.
  • Robust Thermal Performance: Rated for continuous operation up to +105°C with extended service life under load.
  • Low-Impedance Design: Engineered for high ripple current handling — critical for 5G baseband and optical transport equipment.
  • RoHS Compliant & Halogen-Free: Meets global environmental and safety regulations for modern communications hardware.

Typical Applications

The B41856A3108M is widely deployed in:

  • Telecom Power Supplies (AC/DC & DC/DC converters)
  • 4G/5G Base Station RF Power Amplifiers
  • Optical Line Terminals (OLTs) and Passive Optical Networks (PON)
  • Industrial Communication Gateways and Routers
  • UPS Systems and Redundant Backup Power Modules

Supply Information

In-stock availability — Gopi International maintains strategic inventory of genuine EPCOS B41856A3108M capacitors in Shanghai. Fast lead times, full traceability, and datasheet-backed quality assurance. All units are new, factory-sealed, and supplied with original EPCOS packaging and compliance documentation. Volume pricing and custom labeling available upon request.

Contact Us

For technical inquiries, sample requests, or bulk procurement support, contact our component specialists:

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

We provide dedicated technical support—including application guidance, derating recommendations, and replacement cross-reference assistance—for EPCOS aluminum electrolytic capacitors.

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