Film Capacitor (STC) for IGBT Snubber | Global Trade leader ecrobot

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Film Capacitor (STC) for IGBT Snubber

Posting date : Oct 13, 2011

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MACHINERY & ELECTRICAL | Electrical

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85-

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1. GENERAL TECHNICAL CHARACTERISTICS Dielectric: Polypropylene film Construction: Extended double side metallized carrier film with internal series connection and metallized film Coating: Solvent resistant plastic case with resin sealing. Flame retardant execution (UL94V-0 ). Leads: Tinned copper wire, 2 leads, 4 leads, 6 leads 2. ELECTRICAL CHARACTERISTICS Operating temperature range(case): - 40 to + 85 C Capacitance: 0.0047 to 5.6μ F Rated Voltage: 700 to 3000 Vdc Tolerance: ± 5%, ± 10% Dissipation factor: Measured at 1000± 20 Hz AND 25± 5C When Cr≤ 1.0μ F, 4× 10-4; When Cr>1.0μ F, 6× 10-4 Life expectancy: 100, 000 hours at Ur and 70C 3. TEST METHODS AND PERFORMANCES Dielectric strength: 2Ur (DC) applied for 10s at 25± 5C(1 minute for type test) Test voltage terminal to case: 3 KV 50Hz for 60 sec Insulation resistance: 30000s but need not exceed 30GΩ (typical value), after 1 minute of electrification at 100Vdc (25± 5C)