RCEC 750 www.vishay.com Vishay MCB Power Resistors Cooled by Auxiliary Heatsink (Not Supplied) Thick Film Technology FEATURES Technology: thick film deposited on ceramic Cold system without external radiation High power / volume ratio Non-inductive Easy assembly, self calibrated pressure (400 N) STANDARD ELECTRICAL SPECIFICATIONS E-SERIES RESISTANCE RANGE MAX. RATED POWER P TOLERANCE TEMPERATURE COEFFICIENT 75 C MODEL OHMIC W % ppm/C VALUES RCEC 750 1 to 1M 750 10, 5 150 (typical) E 12 MECHANICAL SPECIFICATIONS UL 94 flame classifications Material complies with the standard UL 94 V-0 Resistive element Cermet Substrate Alumina Encapsulation Resin filled case TECHNICAL SPECIFICATIONS PARAMETER 750 750HV Operating temperature range -55 C to +150 C Maximum operating voltage 5000 V Dielectric strength V (50 Hz / 1 min) 7000 V 12 000 V RMS Creepage distance 42 mm 75 mm Clearance distance 12 mm 30 mm Capacitance: ground 120 pF Capacitance: parallel 40 pF 500 pC at 7000 V eff Partial discharge 10 pC at 5000 V eff Other cases: consult us Inductance 40 nH 5 Insulation resistance 10 M at 500 V CC Weight (max.) 120 g Revision: 18-Sep-14 Document Number: 32509 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 RCEC 750 www.vishay.com Vishay MCB DIMENSIONS in millimeters Standard HV 2 x screw M4* 8 60 0.3 34 0.2 57 0.2 24 67 PERFORMANCES TESTS CONDITIONS REQUIREMENTS TYPICAL VALUES Momentary overload 1200 W / 10 s = 70 C 2 % 0.2 % (1) 2 % or 0.05 Humidity (steady state) 56 days, 40 C, 95 % HR 0.2 % 3 insul. > 10 M (1) VRT -55 C to +125 C 5 cycles 2 % or 0.05 0.2 % CEI 61373 cat 1 class B Half sinus 2 (1) Mechanical shock 50 m/s / 30 ms 0.5 % or 0.05 0.25 % 6 per axis (3 negative and 3 positive) CEI 61373Cat 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 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 R < 390 R > 390 Repetitive operation: 8 J/t = 50 s Repetitive operation: 4 J/t = 50 s Accidental operation: 20 J/t = 50 s / 120 impulsions max. Other t values: consult us Revision: 18-Sep-14 Document Number: 32509 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 14.5 60 6 14 36 0.2 25 0.5 24 40 0.5