Product Overview
The EPCOS B32674D4105K is a high-reliability, metallized polypropylene (MKP) film capacitor from the renowned B32674 series, specifically engineered for demanding DC-link and energy storage applications in new energy systems. As an original genuine component manufactured by TDK-EPCOS, this capacitor delivers exceptional stability, low ESR, and long service life under continuous high-voltage DC operation — ideal for inverters, solar PV systems, EV chargers, and industrial power electronics.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | EPCOS (TDK) |
| Model | B32674D4105K |
| Capacitance | 1 μF ±10% |
| Rated DC Voltage | 450 VDC |
| Dielectric Material | Metallized Polypropylene (MKP) |
| Operating Temperature Range | –40 °C to +105 °C |
| Insulation Resistance (IR) | ≥30,000 MΩ·μF @ 20 °C, 100 VDC, 60 s |
| Series | B32674 — New Energy DC-Link Film Capacitors |
Key Features
- ✅ Genuine EPCOS/TDK product — Full traceability and factory warranty
- ✅ Optimized for DC support / DC-link applications in renewable energy and traction systems
- ✅ Self-healing metallized film construction ensures high reliability and fault tolerance
- ✅ Low dielectric loss (tan δ ≤ 0.001 @ 1 kHz, 20 °C) and excellent frequency response
- ✅ RoHS-compliant, halogen-free, and designed for extended lifetime (>100,000 h @ rated voltage & 70 °C)
- ✅ Robust radial leaded design with flame-retardant epoxy resin coating (UL94 V-0)
Typical Applications
The B32674D4105K is widely deployed in:
- Solar photovoltaic (PV) inverters — DC bus filtering & smoothing
- Wind turbine converters — intermediate DC-link stabilization
- Electric vehicle (EV) on-board chargers (OBC) and DC-DC converters
- Industrial motor drives and UPS systems requiring high-pulse-current handling
- New energy infrastructure supporting smart grid and energy storage systems (ESS)
Supply Information
In-stock availability: Gopi International maintains real-time inventory of authentic EPCOS B32674D4105K capacitors in Shanghai. All units are original, unmarked, and factory-fresh, backed by full documentation including datasheets, RoHS/REACH certificates, and traceable lot numbers. Fast global shipping options available. Minimum order quantity (MOQ): 1 piece — ideal for prototyping and production ramp-up.
Contact Us
For technical inquiries, volume pricing, or urgent delivery requests, contact our dedicated components team:
- Phone: +86-21-24208728
- Email: ghb585@163.com
- Address: Shanghai, China
We provide free engineering support — including application guidance, thermal modeling assistance, and replacement recommendations — to ensure optimal integration of the B32674D4105K into your next-generation power system.
