V I S H AY I N T E R T E C H N O L O G Y, I N C . vishay draloric/beyschlag Resistors Division Compact Metal Plate Power Resistors KEY BENEFITS • • • • Robust and compact design Very high operating temperature range up to 500 °C for duration and 700 °C for peak Low temperature rise below 350K Extremely high pulse load capability up to 3.5 MJ APPLICATIONS • • • • • Industrial Alternative energy Load dump resistor in wind turbines Discharge resistor for bulk capacitors Brake resistor RESOURCES • Material categorization: for definitions of compliance, please see - www.vishay.com/99912 • For technical questions, contact [email protected] A WORLD OF SOLUTIONS Selector Guide 1/4 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 VMN-SG2206-1506 www.vishay.com V I S H AY I N T E R T E C H N O L O G Y, I N C . vishay draloric/beyschlag Resistors Division Technical Specifications Type Resistance Resistance Tolerance Pulse Energy (1, 2, 3) Pulse Current (1, 2, 3) Temperature Coefficient Inductance ULDCR00 0.075 Ω ± 10 % 1.35 MJ 9500 A +1030 ppm/K < 10 µH ULDCR11 0.090 Ω ± 10 % 0.61 MJ 1300 A +1030 ppm/K < 10 µH ULDCR12 0.080 Ω ± 10 % 0.76 MJ 1260 A +1030 ppm/K < 10 µH ULDCR23 0.500 Ω ± 10 % 2.00 MJ 1000 A +1030 ppm/K < 15 µH ULDCR25 0.800 Ω ± 10 % 2.00 MJ 1000 A +1030 ppm/K < 15 µH ULDCRxx For YOUR individual design, please contact [email protected] Notes: (1) At 40 °C ambient temperature (2) Standard load – for deviant values please contact us (3) Please request the particular cooling time and conditions after one standard pulse event Dimensions and Mass Type Length (mm) Width (mm) Height (mm) Mass (kg) ULDCR00 340 ± 2 250 ± 1 102 ± 2 18 ± 0.5 ULDCR11 390 ± 2 193 ± 1 90 ± 2 10 ± 0.5 ULDCR12 300 ± 2 290 ± 1 80 ± 2 9.5 ± 0.5 ULDCR23 566 ± 2 190 ± 1 104 ± 2 23 ± 0.5 ULDCR25 566 ± 2 190 ± 1 112 ± 2 23.5 ± 0.5 ULDCRxx Selector Guide Picture For YOUR individual design, please contact [email protected] 2/4 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 VMN-SG2206-1506 www.vishay.com V I S H AY I N T E R T E C H N O L O G Y, I N C . vishay draloric/beyschlag Resistors Division Specific ULDCR Datasheet Type URL ULDCR00 www.vishay.com/doc?21038 ULDCR11 www.vishay.com/doc?21039 ULDCR12 www.vishay.com/doc?21040 ULDCR23 www.vishay.com/doc?21041 ULDCR25 www.vishay.com/doc?21042 Power Resistor Design Parameter Request Form Header Entry Unit Date Request by Phone/e-mail Customer name Address Project Name Technical Requirements(1) Ohmic value Ω Tolerance % Maximal change in resistance under load % Pulse behavior (drawing preferable) Pulse energy MJ Power rating kW Pulse time s Time between two pulses (2) (repetition time) Time between two pulse cycles (2) Operation temperature (interval) ºC Maximum surface temperature ºC Cooling mechanism Un-/cased International protection class Continued next page Notes (1) Please inform us as soon as possible about changes (2) Choose from s/min/h/d Selector Guide 3/4 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 VMN-SG2206-1506 www.vishay.com V I S H AY I N T E R T E C H N O L O G Y, I N C . vishay draloric/beyschlag Resistors Division Power Resistor Design Parameter Request Form (Outer) Dimensions (1) Entry Unit Length mm Width mm Height mm Weight kg Accessory (1) Temperature sensor Temperature switch Cables Connection boxes Mounting parts Commercial (1) Target price € / USD Project quantity Pcs Annual quantity Pcs Project timeline (start, end) Year/month Additional information Notes (1) Please inform us as soon as possible about changes Selector Guide 4/4 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 VMN-SG2206-1506 www.vishay.com