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SR2K20M474X Datasheet(PDF) 3 Page - EPCOS |
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SR2K20M474X Datasheet(HTML) 3 Page - EPCOS |
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3 / 29 page  Features RFI noise suppression and transient overvoltage protection integrated in a single component Reliable protection against automotive transients such as load dump and jump start (for SR1 and SR2 types) High capacitance (up to 4.7 µF) Low clamping voltage RoHS-compatible Suitable for lead-free soldering PSpice simulation models available Applications RFI noise suppression and transient overvoltage protection on DC lines of small motors, windscreen wipers, window lifters, mirrors, central locking, memory seat, sunroof Design Combination of multilayer RF filter capacitor and multilayer varistor Coating: flame-retardant to UL 94 V0, epoxy resin Terminals: tinned iron wire, RoHS-compatible V/I characteristics and derating curves V/I and derating curves are attached to the data sheet. The curves are sorted by VRMS and then by case size, which is included in the type designation. General technical data Maximum RMS operating voltage VRMS,max 14 ... 35 V Maximum DC operating voltage VDC,max 16 ... 45 V Maximum surge current (8/20 µs) Isurge,max 100 ... 1200 A Maximum load dump energy (10 pulses) WLD 1.5 ... 12 J Maximum jump start voltage (5 min) Vjump 24.5 ... 26 V Maximum clamping voltage (8/20 µs) Vclamp,max 38 ... 90 V Nominal capacitance (1 kHz, 0.5 V) Cnom 220 ... 4700 nF Insulation resistance Rins ≥ 10 M Ω Response time tresp < 25 ns Operating temperature Top 55/+125 °C Storage temperature LCT/UCT 55/+150 °C Leaded transient voltage/RFI suppressors (SHCVs) SHCV series Page 3 of 29 Please read Cautions and warnings and Important notes at the end of this document. |
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