TDK B3291xH EMI Suppression Capacitors
TDK B3291xH EMI Suppression Capacitors are designed for power line filtering of electromagnetic interference (EMI) in demanding automotive and industrial applications. These capacitors are THB-tested at 85°C, 85% relative humidity for 1000 hours at 380V (AC) and 1000V (DC). The B3291xH capacitors feature a capacitance range of 15nF to 10μF. The series is available in dimensions ranging from 18mm x 10.5mm x 5mm to 57.5mm x 57mm x 45mm. TDK B3291xH EMI Suppression Capacitors are certified according to ENEC, UL, and CSA standards. Typical applications include across-the-line, X1 class for interference suppression, and severe ambient conditions.
Features
- 480V (AC) and 1000V (DC) high rated voltages
- THB Grade IIB (refer to IEC 60384-14:2013 AMD:2016)
- 40/110/56 climatic category (IEC 60068-1)
- 110°C maximum operating temperature
- Small dimensions
- Compliant with AEC-Q200 revision E
Applications
- EMI suppression in automotive and industrial applications
- X1 subclass (IEC 60384-14)
- Across the line (L to N)
- Harsh ambient conditions
- High-voltage DC EMC
Published: 2024-09-23
| Updated: 2026-04-01