RCEC 400 www.vishay.com Vishay MCB Power Resistors Cooled by Auxiliary Heatsink (Not Supplied) Thick Film Technology FEATURES • System without external radiation • High power / volume ratio • Non-inductive • Screw-on outputs • Possible configuration with 2 or 3 resistors STANDARD ELECTRICAL SPECIFICATIONS MODEL RCEC 400 VALUE RESISTANCE RANGE MAX. RATED POWER P75 °C W TOLERANCE ±% TEMPERATURE COEFFICIENT ± ppm/°C E-SERIES OHMIC VALUES Single 1.0 to 1M 400 10, 5 (1) 150 (typical) E 12 (1) 150 (typical) E 12 Double 1.5 to 1M 2 x 180 10, 5 Note (1) On request. MECHANICAL SPECIFICATIONS UL 94 flame classifications Material in accordance with UL 94 V-0 Resistive element Thick film Substrate Alumina Encapsulation Resin filled in housing TECHNICAL SPECIFICATIONS PARAMETER SINGLE VALUE DOUBLE VALUE Operating temperature range -55 °C to +150 °C Maximum operating voltage 4000 V Dielectric strength VRMS (50 Hz / 1 min) 6000 V Creepage distance Clearance distance CTI index Partial discharge Inductance Insulation resistance Weight (max.) Revision: 15-Jun-16 > 42 mm > 12 mm > 10 mm > 600 < 20 pC at 5000 Veff < 40 nH 105 M at 500 VDC 75 g Document Number: 32507 1 For technical questions, contact: [email protected] 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 400 www.vishay.com Vishay MCB 21 DIMENSIONS in millimeters 57 23 19.7 40 Ø 4.2 ± 0.1 66 PERFORMANCES TESTS REQUIREMENTS TYPICAL VALUES 2% 0.2 % 56 days, 40 °C, 95 % HR 2 % or 0.05 (1) 0.2 % VRT -55 °C to +125 °C 5 cycles 2 % or 0.05 (1) 0.2 % Mechanical shock IEC 60115-4 clause 2-3-6 0.5 % or 0.05 (1) 0.25 % Vibration IEC 60115-4 clause 2-3-2 0.5 % or 0.05 (1) 0.25 % 130 Ncm / 100 N 1 % or 0.05 (1) 0.1 % 2000 cycles Pn 30 min / 30 min 5% 0.2 % Momentary overload CONDITIONS Single value 800 W / 10 s Double value 2 x 360 W / 10 s Humidity (steady state) Terminals strength Endurance Note (1) The higher of either value ENERGY ABSORPTION Single Value Double Value Repetitive operation: 2 J/t = 50 μs Other t values: consult us Repetitive operation: 2 J/t = 50 μs Other t values: consult us Revision: 15-Jun-16 Document Number: 32507 2 For technical questions, contact: [email protected] 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 400 www.vishay.com Vishay MCB DISSIPATION Axis Title Axis Title 80 10000 10000 Single value: P = K x 150 Double value: P = K x 400 70 100 60 40 30 1000 1st line 2nd line Axis Title K (%) 1st line 2nd line 1st line Δ θ (°C) 75 1000 50 50 100 100 20 25 10 Single value: P = K x 400 Double value: P = K x 180 Δθ = f (P) 0 0 10 0 10 20 30 40 50 60 70 80 10 0 90 100 50 100 150 K (%) θ (°C) Temperature Rise as a Function of the Power Applied Overall Thermal Resistance 0.1875 °C/W (Double Value: 0.2083 °C/W) Permanent Applicable Power as a Function of Heatsink Temperature OVERLOAD Axis Title 10000 4 3 1st line 2nd line 1st line K.P 1000 2 100 1 0 1 10 10 1000 100 t (s) Intermittent Overload (Exceptional Operation) ASSEMBLY 57 ± 0.2 M4 min. depth 5 Thermal compound Resistance ≤ 0.05 °C/W / 0.025 mm Maximum tightening torque: 150 Ncm, mechanical mounting 130 Ncm, electrical mounting Revision: 15-Jun-16 Document Number: 32507 3 For technical questions, contact: [email protected] 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 400 www.vishay.com Vishay MCB COOLING The temperature of the heatsink may be maintained at the specified values with: • Forced air ventilation • Internal circulation of a cooling liquid • Heatsink contact surface: Ra 6.3 μm • Evenness defect: 0.05 mm max. • Surface temperature gradient (isotherm): 20 °C max. • Thermal compound not supplied (resistance 0.05 °C/W / 0.025 mm) The user must select the thermal resistance of the heatsink according to the power applied. ORDERING INFORMATION RCEC 400 MODEL STYLE GD Single Double Triple MP 100K 5% 100K 5% XXX BO20 OPTION RESISTANCE VALUE TOLERANCE RESISTANCE VALUE TOLERANCE CUSTOM PACKAGING Common point for double value Value for single First value for double ±5% ± 10 % Other on request Second value for double ±5% ± 10 % Other on request GLOBAL PART NUMBER INFORMATION R C E C 4 0 0 G 1 S 2 R 2 7 3 0 J B 4 5 6 1 2 3 4 5 6 GLOBAL MODEL LEAD OHMIC VALUE TOLERANCE PACKAGING INDUSTRIALIZATION NUMBER RCEC 400 Simple = GS Double = GD Triple = GT The first three digits are significant figures and the last specifies the number of zeros to follow, R designates decimal point. 4702 = 47 k 48R7 = 48.7 In case of double or triple value => value = sum of the 2 or 3 values J=5% K = 10 % B = box 3 specific digits (if applicable) EXAMPLES MODEL DESCRIPTION PART NUMBER RCEC 400 RCEC 400 GS 2U7 5 % BO20 RCEC400GS2R70JB RCEC 400 RCEC 400 GD MP 12K 10 % 12K 10 % 998 BO20 RCEC400GD2402KB998 Revision: 15-Jun-16 Document Number: 32507 4 For technical questions, contact: [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. 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