Polypropylene Film Capacitors for EMI Suppression (THB Grade IIIB: 85°C, 85% R.H., 1,000h)


  • X2 class for interference suppression
  • Across the line applications
  • For connections in series with the mains
  • Energy meters and capacitive power supplies
  • automotive applications for severe ambient conditions



  • Rated voltage:            275/310VAC(50/60Hz)
  • Capacitance range:     0.01 µF – 10µF
  • Lead spacing:              10~37.5mm
  • Capacitance tol.:          ±5%(J), ±10%(K)

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  • X2 CLASS (IEC 60384-14)
  • THB Grade IIIB: 85°C, 85% R.H., 1,000h at 310VAC / 560VDC according to IEC 60384-14
  • AEC-Q200 qualified
  • Approvals: ENEC, UL, cUL, CQC


Technical parameters

Safety approvals CQC、UL&CUL、VDE&ENEC、KC
Reference standard GB/T14472-1998 、UL60384-14、IEC60384-14
Climate category 40/105/21/C(VDE,ENEC,CQC), 40/110/56/B(UL&CUL)
Subclass X2
Rated voltage 250/275/310VAC(50/60Hz)
Capacitance range 0.01μF~10μF
Capacitance tolerance ±5%(J),±10%(K),±20%(M)
Voltage proof between terminals 4.3*UR (VDC)/ 10s
between terminals and case 2*UR+1500(VAC)/ 60s
Insulation resistance (20℃) between terminals ≥15000MΩ, CR≤0.33μF(100VDC,60s)
≥5000S, CR>0.33μF   (100VDC,60s)
between terminals and case ≥3000MΩ  (100VDC,60s)
Tangent of loss angle(20℃) 0.01μF≤CR≤0.47μF ≤0.002(10KHz)
0.47μF≤CR≤1μF ≤0.001(1KHz);≤0.007(10KHz)
CR>1μF ≤0.002(1KHz)
Pulse rise time(dv/dt) 100V/ μs Max


Typical circuit


Why choose BM capacitor?

One of the largest metalized polypropylene film capacitor manufacturers in China;
Fast lead time due to fully automatic production and vertical raw materials supply;
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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