Film Capacitors Metallized Polyester Film Capacitors (MKT) Series/Type: Date: B32237 August 2004 © EPCOS AG 2004. Reproduction, publication and dissemination of this data sheet, enclosures hereto and the information contained therein without EPCOS' prior express consent is prohibited. Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers' Association), unless otherwise agreed. Metallized polyester film capacitors (MKT) B32237 High voltage (wound) Typical applications Test and measurement equipment Laser, ultrasonic, X-ray, microwave Dimensional drawing Climatic Max. operating temperature: 85 °C Climatic category (IEC 60068-1): 40/085/21 Construction Dielectric: polyethylene terephthalate (polyester, PET) Cylindrical winding In tubular plastic case Face ends sealed with epoxy resin Dimensions in mm When bending leads take care to leave a clearance of 1 mm to the capacitor body. Terminals Central axial wire leads, lead-free tinned Marking Manufacturer's logo, style (MKT), series number, rated capacitance (coded), capacitance tolerance (code letter), rated DC voltage, date of manufacture (coded) Delivery mode Bulk (untaped) 2 B32237 High voltage (wound) Overview of available types Type B32237 VR (VDC) 1000 1600 2500 4000 6300 8000 10000 12500 Vrms (VAC) 200 200 200 450 450 450 450 450 CR (nF) 0.68 1.0 2.5 5.0 10 25 3 B32237 High voltage (wound) Ordering codes and packing units VR VDC Vrms CR f ≤60 Hz VAC nF 1000 1600 200 200 2500 200 4000 450 6300 450 8000 450 10000 450 12500 450 25 5.0 10 2.5 5.0 10 25 1.0 2.5 5.0 10 1.0 2.5 5.0 10 1.0 2.5 5.0 10 1.0 2.5 5.0 0.68 1.0 2.5 Max. dimensions d×l mm 11.5 × 24.0 7.5 × 24.0 10.5 × 24.0 8.5 × 33.0 9.5 × 33.0 10.5 × 33.0 16.5 × 33.0 7.5 × 33.0 8.5 × 33.0 10.5 × 33.0 12.5 × 33.0 8.5 × 33.0 10.5 × 33.0 10.5 × 45.0 13.5 × 45.0 8.5 × 45.0 10.5 × 45.0 12.5 × 45.0 16.5 × 45.0 8.5 × 56.0 11.5 × 56.0 13.5 × 56.0 9.5 × 56.0 9.5 × 56.0 12.5 × 56.0 Ordering code (composition see below) B32237A0253M000 B32237A1502M000 B32237A1103M000 B32237J2252M000 B32237J2502M000 B32237B2103M000 B32237J2253M000 B32237A4102M000 B32237J4252M000 B32237J4502M000 B32237B4103M000 B32237B6102M000 B32237B6252M000 B32237B6502M000 B32237B6103M000 B32237A8102M000 B32237B8252M000 B32237A8502M000 B32237J8103M000 B32237A9102M000 B32237A9252M000 B32237A9502M000 B32237A3681M000 B32237A3102M000 B32237A3252M000 Further E series and intermediate capacitance values on request. Composition of ordering code Capacitance tolerance code: M = ±20% 4 Untaped pcs./unit 50 100 100 100 100 100 50 100 100 100 50 100 100 100 50 100 100 50 50 100 50 50 100 100 50 B32237 High voltage (wound) Technical data Operating temperature range Max. operating temperature Top,max Upper category temperature Tmax Lower category temperature Tmin Rated temperature TR Dissipation factor tan δ (in 10-3) at 1 kHz: 8 10-3 at 20 °C at 10 kHz: 15 10-3 (upper limit values) Insulation resistance Rins 30 000 MΩ at 20 °C, rel. humidity ≤ 65% (minimum as-delivered values) DC test voltage 1.2 VR, 2 s TA (°C) DC voltage derating Category voltage VC (continuous operation with VDC TA ≤ 70 VC = VR or VAC at f ≤ 60 Hz) 70 <TA ≤85 VC = VR 0.55 Damp heat test 21 days/40 °C/93% relative humidity Limit values after damp Capacitance change ∆C/C heat test Dissipation factor change ∆ tan δ Insulation resistance Rins Reliability: Failure rate λ Service life tSL Failure criteria: Total failure Failure due to variation of parameters +85 °C +85 °C 40 °C +85 °C AC voltage derating VC,rms = Vrms VC,rms = Vrms 0.70 ≤ 5% ≤ 3 10-3 (at 1 kHz) ≤ 5 10-3 (at 10 kHz) ≥ 20% of minimum as-delivered values 10 fit (≤ 10 10-9/h) at 0.5 VR, 40 °C 200 000 h at 1.0 VR, 40 °C For conversion to other operating conditions and temperatures, refer to chapter "Quality assurance", page . Short circuit or open circuit Capacitance change ∆C/C Dissipation factor tan δ Insulation resistance Rins 5 > 10% > 2 upper limit value < 150 MΩ B32237 High voltage (wound) Pulse handling capability "dV/dt" represents the maximum permissible voltage change per unit of time for non-sinusoidal voltages, expressed in V/µs. "k0" represents the maximum permissible pulse characteristic of the waveform applied to the capacitor, expressed in V 2/µs. Note: The values of dV/dt and k0 provided below must not be exceeded in order to avoid damaging the capacitor. dV/dt and k0 values VR (VDC) Vrms (VAC dV/dt in V/µs 1 000 1 600 2 500 4 000 6 300 8 000 10 000 12 500 200 200 200 450 450 450 450 450 15 25 25 40 50 50 370 1000 k0 in V2/µs 30 000 80 000 125 000 320 000 630 000 800 000 7 500 000 25 000 000 Impedance Z versus frequency f (typical values) Permissible AC voltage Vrms versus frequency f Values can be obtained on request. In specific cases please provide a scaled voltage/ time graph and state operating conditions. 6