33 3 RCEC ISO www.vishay.com Vishay MCB Power Resistors Cooled by Auxiliary Heatsink (Not Supplied) Thick Film Technology FEATURES Cold system without external radiation High power / volume ratio Non-inductive Screw-on or fast-on outputs Material categorization: for definitions of compliance please see www.vishay.com/doc 99912 DESIGN SUPPORT TOOLS AVAILABLE 3D Models STANDARD ELECTRICAL SPECIFICATIONS TEMPERATURE COEFFICIENT E-SERIES RESISTANCE RANGE MAX. RATED POWER P TOLERANCE 60 C MODEL ppm/C OHMIC W % VALUES (1) RCEC ISO 0.33 to 1M 100 10, 5 250 (typical) E 24 Note (1) On request MECHANICAL SPECIFICATIONS UL 94 flame classifications Material comply with the standard UL 94 V-0 Resistive element Cermet Substrate Alumina Encapsulation Resin filled case TECHNICAL SPECIFICATIONS PARAMETER RCEC ISO Nominal power rating at 115 C 25 W Maximum power rating at 100 C 50 W Operating temperature range -40 C to +125 C Maximum operating voltage 1500 V Dielectric strength V (50 Hz / 1 min) 2500 V RMS Creepage distance 10 mm Clearance distance 5.5 mm Capacitance: ground 36 pF Capacitance: parallel 12 pF Partial discharge On request Inductance 50 nH 5 Insulation resistance 10 M at 500 V CC Weight (max.) 20 g Revision: 05-Jul-2019 Document Number: 32506 1 For technical questions, contact: mcbfixedresistors vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000 DD D RCEC ISO www.vishay.com Vishay MCB INTERNAL CONFIGURATION SINGLE CIRCUIT DOUBLE CIRCUIT Note Tolerance on ohm value for double circuit: 10 % VERSION F DIMENSIONS in millimeters VERSION V DIMENSIONS in millimeters 6.35 1.8 *Max. screw insertion 4 mm 4.5 0.1 8 12.2 0.2 +0.1 4.5 0 15 0.1 15 30 0.5 38 PERFORMANCES TESTS CONDITIONS REQUIREMENTS TYPICAL VALUES Momentary overload 4 P / 10 s 2 % 0.2 % n 2 % or 0.05 Humidity (steady state) 56 days, 40 C, 95 % HR 0.2 % 3 insul. > 10 M (1) VRT -40 C to +125 C 5 cycles 2 % or 0.05 0.2 % (1) Mechanical shock 40 A / 4000 0.5 % or 0.05 0.25 % (1) Vibration 500 / 10 0.5 % or 0.05 0.25 % (1) Terminals strength 130 Ncm / 100 N 1 % or 0.05 0.1 % Endurance 2000 cycles P 30 min / 30 min 5 % 0.2 % n Note (1) The higher of either value ENERGY ABSORPTION With single resistor, repetitive operation: 0.4 J/t = 50 s Other t values: consult us Revision: 05-Jul-2019 Document Number: 32506 2 For technical questions, contact: mcbfixedresistors vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000 25 19.3 20.3 10 0.8 3.4 0.1 12 1