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 STANDARD ELECTRICAL SPECIFICATIONS MODEL RESISTANCE RANGE MAX. RATED POWER P60 °C W TOLERANCE ±% 0.33 to 1M 100 10, 5 (1) RCEC ISO TEMPERATURE COEFFICIENT ± ppm/°C E-SERIES OHMIC VALUES 250 (typical) E 12 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 VRMS (50 Hz / 1 min) 2500 V Creepage distance 10 mm Clearance distance 5.5 mm Capacitance: ground 36 pF Capacitance: parallel 12 pF Partial discharge Inductance Insulation resistance Weight (max.) Revision: 14-Jun-16 On request 50 nH 105 M at 500 VCC 20 g Document Number: 32506 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 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 6.35 19.3 3.4 ± 0.1 Ø 1.8 *Max. screw insertion 4 mm Ø 4.5 ± 0.1 12.2 ± 0.2 12 ± 1 10 8 +0.1 0 0.8 20.3 Ø 4.5 25 VERSION “V” DIMENSIONS in millimeters 15 ± 0.1 15 30 ± 0.5 38 PERFORMANCES TESTS Momentary overload Humidity (steady state) VRT Mechanical shock Vibration Terminals strength Endurance CONDITIONS REQUIREMENTS TYPICAL VALUES 4 Pn / 10 s 2% 0.2 % 56 days, 40 °C, 95 % HR 2 % or 0.05 insul. > 103 M -40 °C to +125 °C 5 cycles 2 % or 0.05 (1) 0.2 % 0.2 % 40 A / 4000 0.5 % or 0.05 (1) 0.25 % 500 / 10 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 % Note (1) The higher of either value ENERGY ABSORPTION With single resistor, repetitive operation: 0.4 J/t = 50 μs Other t values: consult us Revision: 14-Jun-16 Document Number: 32506 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 ISO www.vishay.com Vishay MCB DISSIPATION Axis Title Axis Title 10000 60 125 Max. 50 100 1000 75 1st line 2nd line 30 1st line PW 1000 1st line 2nd line 40 1st line Δθ ( °C) 10000 Pn 50 100 20 100 25 10 Δθ = f (P) 0 10 0 10 20 30 40 50 60 70 80 0 90 100 10 0 50 100 150 PW θ (°C) Temperature Rise as a Function of the Power Applied Overall Thermal Resistance 0.6 °C/W (See Assembly) Permanent Applicate Power as a Function of Heatsink Temperature MECHANICAL ASSEMBLY Head screw, low or normal height without washers. Maximum tightening torque: 80 Ncm, mechanical mounting 130 Ncm, electrical connection COOLING The temperature of the heatsink may be maintained at the specified values with: • Forced air ventilation • Internal circulation of a liquid cooling • 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 ISO F MODEL STYLE TERMINALS F = faston S = screws Revision: 14-Jun-16 D MP 100K 5% 100K 5% XXX BO15 OPTION RESISTANCE TOLERANCE RESISTANCE TOLERANCE CUSTOM PACKAGING VALUE VALUE Common Single point for Double double Triple value (on request) Value for single, first value for double ±5% ± 10 % Other on request Second value for double ±5% ± 10 % Other on request Document Number: 32506 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 ISO www.vishay.com Vishay MCB GLOBAL PART NUMBER INFORMATION R C E C I S 0 V 1 S 1 0 2 R 3 0 K B 4 5 6 1 2 3 4 5 6 GLOBAL MODEL LEAD OHMIC VALUE TOLERANCE PACKAGING INDUSTRIALIZATION NUMBER RCEC ISO Screws simple = VS Screws double = VD Screws triple = VT Faston simple = FS Faston double = FD Faston triple = FT The first three digits are significant figures and the last specifies the number of zeros to follow, R designates decimal point. 4702 = 47 k 56R0 = 56 In case of double or triple value => value = sum of the 2 or 3 value J=5% K = 10 % B = box 3 specific digits (if applicable) EXAMPLES MODEL RCEC ISO DESCRIPTION RCEC ISO VS 10U 10 % BO5 PART NUMBER RCECISOVS10R0KB RCEC ISO RCEC ISO FD MP 8K2 10 % 8K2 10 % 921 BO5 RCECISOFD1642KB921 RCEC ISO RCEC ISO FS 15U 10 % 994 BO5 RCECISOFS15R0KB994 Revision: 14-Jun-16 Document Number: 32506 4 For technical questions, contact: [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. 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Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21 conform to JEDEC JS709A standards. Revision: 02-Oct-12 1 Document Number: 91000