V I S H AY I N T E R T E C H N O L O G Y, I N C . HIGH-POWER RESISTOR ULDCR Resistors - High Power Robust Design Stainless Steel Braking/Crowbar Resistor KEY BENEFITS • • • • • • • • High pulse energy capability up to 3.46 MJ* High current capability up to 12 kA* Short time overload up to 2 times of energy capability Small sizes Robust and compact design Surface temperature increase is below 350 K for single pulse Modular system - user expandable Salt water resistant * For customer specific designs or higher values please contact [email protected] APPLICATIONS • Wind turbines –– Frequency converter –– Crowbar resistor –– Chopper resistor RESOURCES • Datasheet: ULDCR - http://www.vishay.com/doc?21026 • For technical questions contact [email protected] • Material categorization: For definitions, please see http://www.vishay.com/doc?99912 RoHS COMPLIANT One of the World’s Largest Manufacturers of Discrete Semiconductors and Passive Components e3 PRODUCT SHEET 1/2 VMN-PT0215-1404 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 FEATURES High pulse energy capability up to 3.46 MJ V I S H AY I N T E R T E C H N O L O G Y, I N C . Surface temperature increase below 350 K for single pulse HIGH-POWER RESISTOR Operating temperature: - 55 °C to + 375 °C ULDCR Modular system - user expandable Compliant to RoHS Directive 2011/65/EU Stainless Steel Braking/Crowbar Resistor STANDARD ELECTRICAL SPECIFICATIONS RESISTANCE VALUE Resistors - High Power Robust Design MODEL RESISTANCE TOLERANCE PULSE ENERGY E (1) RATED DISSIPATION P40 °C RATED CURRENT I 1265 A ULDCR01 5 m 0.14 MJ 8 kW ULDCR02 7 m 0.20 MJ 6 kW 926 A ULDCR03 10 m 0.29 MJ 4 kW 632 A ULDCR04 20 m 0.58 MJ 2 kW 316 A ULDCR05 40 m 1.15 MJ 4 kW 316 A ULDCR06 60 m 1.73 MJ 6 kW 316 A ULDCR07 80 m 2.30 MJ 8 kW 316 A ULDCR08 100 m 2.88 MJ 10 kW 316 A ULDCR09 120 m ± 10 % PULSE CURRENT I (1) TEMPERATURE COEFFICIENT 12 kA 1030 ppm/K ULDCR Stainless Steel Resistor 3.46 Braking/Crowbar MJ 12 kW 316 A Vishay Draloric Notes (1) Rectangular pulse t = 200 ms, time between 2 pulses: > 40 min DIMENSIONS PART NUMBER AND PRODUCT DESCRIPTION TOP VIEW W Part Number: ULDCR07R080KLX000 W1 U L W2 D C R 0 7 R 0 8 0 K L X 0 0 0 MODEL VARIANT VALUE TOLERANCE CODE PACKAGING CODE SPECIAL ULDCR 01 02 03 04 05 06 07 08 09 4 digit value R = Decimal R080 = 0.08 K = ± 10.0 % LX = Loose pack without quantity 000 = Standard 3 digits alphanumerical code for customized design H Product Description: ULDCR07 R08 10 % LX ULDCR 07 R08 10 % LX MODEL VARIANT VALUE TOLERANCE CODE PACKAGING CODE ** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902 www.vishay.com 1 Revision 03-Mar-11 MODEL For technical questions, contact: [email protected] L Document Number: 21026 Revision: 03-Mar-11 DIMENSIONS in millimeters Mass (kg) L W W1 W2 H ULDCR01 235 190 10 20 250 16.5 ULDCR02 235 160 10 20 250 12.375 ULDCR03 235 130 10 20 250 8.25 ULDCR04 235 100 10 20 250 4.125 ULDCR05 235 130 10 20 250 8.25 ULDCR06 235 160 10 20 250 12.375 ULDCR07 235 190 10 20 250 16.5 ULDCR08 235 220 10 20 250 20.625 ULDCR09 235 250 10 20 250 24.75 PRODUCT SHEET ATED AT POWER IN % FUNCTIONAL PERFORMANCE 120 2/2 VMN-PT0215-1404 100 THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO 80 SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 60