333 3 RCMC www.vishay.com Vishay MCB Power Resistors Cooled by Auxiliary Heatsink (Not Supplied) Thick Film Metal Technology FEATURES Technology: thick film metal on ceramic Cold system without external radiation High power / volume ratio Non-inductive Easy assembly, self-calibrated pressure (400 N) LINKS TO ADDITIONAL RESOURCES 3D Models STANDARD ELECTRICAL SPECIFICATIONS E-SERIES RESISTANCE RANGE MAX. RATED POWER P TOLERANCE TEMPERATURE COEFFICIENT 25 C MODEL OHMIC W % ppm/C VALUES RCMC 0.27 to 18 750 10 150 E 12 MECHANICAL SPECIFICATIONS UL 94 flame classifications Material comply with the standard UL 94 V-0 Resistive element NiCr alloy Substrate Alumina Encapsulation Resin filled case TECHNICAL SPECIFICATIONS PARAMETER 500L 500 500HV Nominal power rating at 70 C 500 W Operating temperature range -55 C to +125 C Maximum operating voltage 5000 V Dielectric strength V (50 Hz / 1 min) 5000 V 7000 V 12 000 V RMS Creepage distance 42 mm 42 mm 75 mm Clearance distance 12 mm 12 mm 30 mm Capacitance: ground 120 pF Capacitance: parallel 40 pF Partial discharge On request Inductance 40 nH 5 Insulation resistance 10 M at 500 V CC Weight (max.) 120 g Revision: 16-Mar-2020 Document Number: 32510 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 DDD D RCMC www.vishay.com Vishay MCB DIMENSIONS in millimeters L/Standard HV 2 x screw M4* 8 60 0.3 34 0.2 57 0.2 24 67 PERFORMANCE TESTS CONDITIONS REQUIREMENTS TYPICAL VALUES Momentary overload 1000 W / 10 s 2 % 0.2 % (1) Humidity (steady state) 56 days, 40 C, 95 % HR 2 % or 0.05 0.2 % CEI 61373 cat 1 class B half sinus 2 3 Mechanical shock 50 m/s / 30 ms insul. > 10 M 0.25 % 6 per axis (3 negative and 3 positive) CEI 61373 cat 1 class B random 2 (1) Vibration 5 Hz to 150 Hz 7.9 m/s 0.5 % or 0.05 0.25 % 5 h per axis (1) Terminals strength 200 Ncm / 200 N 0.5 % or 0.05 0.1 % (1) Endurance 2000 cycles P 30 min / 30 min 1 % or 0.05 0.2 % n Note (1) The higher of either value ENERGY ABSORPTION Repetitive operation: 25 J/t = 50 s Accidental operation: 100 J/t = 50 s / 100 impulsions max. Other t values: contact us Revision: 16-Mar-2020 Document Number: 32510 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 15.5 60 15 36 0.2 6 25 0.5 24 40 0.5