DC-Link capacitors for Harsh Environment (THB grade 85℃/85% R.H. 1000h Vr)

Widely used in different kinds of electronic equipment DC link part for DC support, energy storage, and filter. e.g. wind power systems and inverters;

  • Rated voltage range:    500 ~ 4000VDC
  • Capacitance range:       20µF ~ 5600µF
  • Customer-specific capacitances or voltages on request

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  • Very high volume/capacitance ratio
  • Self-healing properties
  • With cylindrical aluminium case for bus bar mounting
  • Metallized film, non-inductive structure
  • Low ESR, Low ESL
  • High ripple current handling capabilities
  • Long lifetime
  • According to RoHS 2011/65/EU


Technical Parameters

Rated voltage 500VDC ~ 4000VDC
Capacitance range 20μF~5600μF
Capacitance tolerance ±5% (J), ±10% (K)
Max. altitude 2000m
Lifetime expectancy 100 000h (Un, θhs=70℃)
Failure rate 50 FIT
Max. torque of terminals M6 5Nm
M8 6Nm
Max. torque of installation 10Nm
Insulation resistance IR*CN≥5000S (60s, 20±5℃,100V. DC)
Withstanding voltage between terminals and case UN≤1500VDC 3000V. AC (10s, 20±5℃, 50Hz)
UN≥1500VDC 2Ui+1000V AC(10s, 20±5℃, 50Hz)
between terminals 1.5Un (10s/ 20±5℃)
Over voltage 1.1Un 30%of on-load-dur
1.15Un 30min/day
1.2Un 5min/day
1.3Un 1min/day


Why choose BM capacitor?

One of the largest metalized polypropylene film capacitor manufacturers in China;

Fast lead time  in the market due to vertical integration of raw-material supply and fully automation production-lines ;

With world-class lab center, strong R&D research and self-owned film metallization technology;

Highly consistent quality products by strictly adhering to  ISO and IATF16949;

Proudly work with top brands  in appliances as well as the leading power and new energy customers.



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