VISUAL _ www.vishay.com 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 click logo to get started DESIGN SUPPORT TOOLS Models Available Revision: 16-Nov-17 1 Document Number: 32507 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

www.vishay.com RCEC 400 Vishay MCB DIMENSIONS in millimeters PERFORMANCES Note (1) The higher of either value Single Value Repetitive operation: 2 J/t = 50 ps Other t values: consult us Double Value Repetitive operation: 2 J/t = 50 ps Other t values: consult us 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.vishav.com/doc791000

DISSIPATION Axis Title 10000 Single value: P = K x 400 Double value: P = K x 180 Single value: P = K x 400 Double value: P = K x 180 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 Intermittent Overload (Exceptional Operation) Thermal compound Resistance ≤ 0.05 °C/W / 0.025 mm Maximum tightening torque: 150 Ncm, mechanical mounting 130 Ncm, electrical mounting Document Number: 32507 3 For technical questions, contact: [email protected]...

RCEC 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 pm • 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. RESISTANCE TOLERANCE CUSTOM PACKAGING VALUE RCEC 400 GD MODEL STYLE RESISTANCE TOLERANCE VALUE Single Common Double point for Triple double value...

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