LiTong - TDK-EPCOS Authorized Agent
EPCOS aluminum electrolytic capacitors provide high-capacitance solutions for power applications requiring energy storage, filtering, and buffering. With decades of experience in electrolytic technology, EPCOS offers both general-purpose and specialized solutions optimized for specific applications including automotive, industrial, and consumer electronics.
Our aluminum electrolytic portfolio includes high-ripple current, extended-life, and snap-in configurations designed for harsh operating environments. Each series is engineered with enhanced electrolyte formulations and optimized construction techniques to deliver reliable performance over extended operational lifetimes.
High-capacitance snap-in capacitors for high-power industrial applications
Standard general-purpose capacitors for commercial applications
Enhanced ripple current handling for switching applications
Surface mount capacitors for reflow-compatible applications
Extended life capacitors for critical applications
The B43504 series provides high-capacitance snap-in aluminum electrolytic capacitors specifically designed for high-power industrial applications. These components feature robust construction suitable for applications requiring large bulk storage capacitance with high ripple current capability.
Ideal for DC-link applications in variable frequency drives, UPS systems, and renewable energy inverters, the B43504 series offers capacitance values up to 220,000µF with voltage ratings from 16V to 500V. The snap-in mounting provides secure mechanical connection while allowing for easy replacement during field maintenance.
The B43547 series offers general-purpose aluminum electrolytic capacitors suitable for a wide range of commercial applications. This series provides an optimal balance of performance, cost, and reliability for applications that do not require extended life or high ripple current capability.
Available with both radial lead and screw-terminal mounting options, the B43547 series covers capacitance values from 10µF to 56,000µF with voltage ratings from 10V to 500V. These capacitors are commonly used in consumer electronics, commercial power supplies, and industrial control systems.
The B43740 series features enhanced ripple current handling capabilities specifically designed for switching power applications with high-frequency ripple currents. These capacitors use advanced electrolyte formulations and optimized construction to handle significantly higher ripple currents than standard electrolytic capacitors.
With extended life ratings up to 8000 hours at +105°C, the B43740 series is ideal for applications such as switch-mode power supplies, motor drives, and renewable energy systems where both high ripple current handling and long operational life are critical requirements.
The B43505 series provides surface mount aluminum electrolytic capacitors designed for automated assembly processes while maintaining high performance in power applications. These components are optimized for reflow soldering compatibility while providing extended operational life.
Ideal for automotive and industrial applications requiring SMD mounting, the B43505 series offers capacitance values from 330µF to 15,000µF with voltage ratings from 6.3V to 63V. The series is AEC-Q200 qualified for automotive applications and features low-profile can sizes suitable for space-constrained applications.
The B43741 series features ultra-long life aluminum electrolytic capacitors specifically designed for critical applications requiring extended operational life. These capacitors use specialized electrolyte formulations and construction techniques to achieve life ratings up to 15,000 hours at +105°C.
Perfect for applications where component replacement is difficult or impossible, such as aerospace, medical equipment, and remote telecommunications systems. The series provides capacitance values from 100µF to 4,700µF with voltage ratings from 10V to 80V.
| Series | Tolerance |
|---|---|
| B43504 | ±20% |
| B43547 | ±20% |
| B43740 | ±20% |
| B43505 | ±20% |
| B43741 | ±20% |
| Voltage Class (V) | Available in All Series |
|---|---|
| 6.3 | Most series |
| 10 | All series |
| 16-500 | Wide range available |
| Custom | Upon request |
| Parameter | Value |
|---|---|
| Operating Temp. Range | -40°C to +105°C |
| Storage Temp. Range | -55°C to +125°C |
| Capacitance Change | ±20% max at -40°C to +85°C |
| ESR Change | ≤3× at -40°C |
| Series | Hours at +105°C |
|---|---|
| B43504 | 2000-8000 |
| B43547 | 2000 |
| B43740 | 2000-8000 |
| B43505 | 2000-8000 |
| B43741 | 8000-15000 |
DC-link and bulk storage applications in SMPS, UPS, and power converters. High ripple current handling for switching applications.
DC-link applications in VFDs and servo drives. High ripple current handling and extended life requirements.
Solar inverters, wind power systems, and energy storage. Extended life and high-reliability requirements.
On-board chargers, DC-DC converters, and motor control. AEC-Q200 qualified options available.
Comprehensive guide to selecting the right aluminum electrolytic capacitor for your application
Download GuideBest practices for thermal management in high-power applications
Download GuidelinesContact our technical team for assistance in selecting the optimal aluminum electrolytic capacitor for your specific requirements