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    TDK Introduces High Current 80VDC Board-Mount EMI Filters

    Bourns Releases High Heat Tolerant TO-227 Thick Film Resistor

    TDK Increases Current Ratings of Automotive Thin-Film Power Inductors

    Sumida Announces New DC Common Mode Choke Coil Series

    KYOCERA AVX Releases New 3dB Hybrid Couplers

    SCHURTER Unveils High Voltage Fuses for EV Applications

    YAGEO Releases First to Market 750V Aluminum Capacitors

    binder Introduces M9 Compact Circular Connector

    Smolteks CNF-MIM Capacitors Meet Thermal and Voltage Stability Industry Requirements

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    Accelerating Full Bridge LLC Resonant Converter Design with Frenetic AI

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    Highly Reliable Flex Rigid PCBs, Würth Elektronik Webinar

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TDK Releases Compact X1 1000V DC Safety Film Capacitors for EVs

20.2.2025
Reading Time: 2 mins read
A A

TDK Corporation announces release of the X1 safety film capacitors of the EPCOS B3291xH/J4 series for power line filtering of electromagnetic interferences (EMI) in demanding automotive and industrial applications with a rated AC voltage of up to 480 V and 1000V DC.

Applications that are exposed to harsh climatic conditions such as PV inverters and EV onboard chargers (OBCs) can benefit from the new X1 safety capacitors’ high resistance to high humidity environments.

RelatedPosts

TDK Introduces High Current 80VDC Board-Mount EMI Filters

TDK Increases Current Ratings of Automotive Thin-Film Power Inductors

TDK Releases Industry First 1uF 100V X7R MLCCs in 1608 Case

With the ability to continuously handle a DC voltage of 1000 V, this series is a dedicated solution for DC EMC of high-voltage EV platforms.

The X1 capacitors are THB-tested (temperature, humidity, bias) at +85 °C, 85% relative humidity for 1000 hours at 380 V (AC) and 1000 V (DC), and they can operate at temperatures up to +110 °C.

Featuring self-healing properties, the series covers capacitance values from 15 nF to 10.0 µF and boasts a compact design, with dimensions ranging from 18.0 x 10.5 x 5.0 mm to 57.5 x 57 x 45 mm, depending on the capacitance. Lead spacings vary between 15 mm and 52.5 mm, with the largest versions equipped with 4 pins for enhanced mechanical stability on the PCB. The series is certified according to ENEC, UL, and CSA standards.

Features

  • High rated voltages: 480 V (AC), 1000 V (DC)
  • THB Grade IIB (refer to IEC 60384-14:2013 AMD:2016)
  • Climatic category (IEC 60068-1): 40/110/56
  • Max. operating temperature: +110 °C
  • Small dimensions
  • Compliant with AEC-Q200 rev. 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

Related

Source: TDK

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