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B57891M Datasheet(PDF) 21 Page - EPCOS |
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B57891M Datasheet(HTML) 21 Page - EPCOS |
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21 / 23 page  Symbols and terms Symbol English German A Area Fläche AWG American Wire Gauge Amerikanische Norm für Drahtquerschnitte B B value B-Wert B25/100 B value determined by resistance measurement at 25 °C and 100 °C B-Wert, ermittelt durch Widerstands- messungen bei 25 °C und 100 °C Cth Heat capacitance Wärmekapazität I Current Strom N Number (integer) Anzahl (ganzzahliger Wert) P25 Maximum power at 25 °C Maximale Leistung bei 25 °C Pdiss Power dissipation Verlustleistung Pel Electrical power Elektrische Leistung Pmax Maximum power within stated temperature range Maximale Leistung im angegebenenTemperaturbereich ∆R B/RB Resistance tolerance caused by spread of B value Widerstandstoleranz, die durch die Streuung des B-Wertes verursacht wird Rins Insulation resistance Isolationswiderstand RP Parallel resistance Parallelwiderstand RR Rated resistance Nennwiderstand ∆R R/RR Resistance tolerance Widerstandstoleranz RS Series resistance Serienwiderstand RT Resistance at temperature T (e.g. R25 = resistance at 25 °C) Widerstand bei Temperatur T (z.B. R25 = Widerstand bei 25 °C) T Temperature Temperatur ∆T Temperature tolerance Temperaturtoleranz t Time Zeit TA Ambient temperature Umgebungstemperatur Tmax Upper category temperature Obere Grenztemperatur (Kategorietemperatur) Tmin Lower category temperature Untere Grenztemperatur (Kategorietemperatur) Top Operating temperature Betriebstemperatur TR Rated temperature Nenntemperatur Tsurf Surface temperature Oberflächentemperatur V Voltage Spannung Vins Insulation test voltage Isolationsprüfspannung Vop Operating voltage Betriebsspannung Vtest Test voltage Prüfspannung Temperature measurement and compensation B57891M Leaded NTC thermistors, lead spacing 2.5 mm M891 Page 21 of 23 Please read Cautions and warnings and Important notes at the end of this document. |
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