Resistors Heatsink Mount High Power Resistors WMHP Series TO-220 & TO-247 standard power packages Very low thermal resistance Non-inductive thick film technology 20 to 100 watt high power resistors Single screw mounting to heatsink Suitable for high frequency / fast pulse use All parts are Pb-free and comply with EU Directive 2011/65/EU (RoHS2) Electrical Data WMHP20 Package style Power rating watts 20 Power rating watts 1.5 Limiting element voltage volts Resistance range ohms Dielectric strength volts Working temperature range Insulation resistance WMHP50 35 50 2.5 3 Conditions 100 Heatsink with 25C flange temperature 3.5 Without heatsink, in free air 25C 700 dc or ac rms R05 - 10K 1800 -65 to 150 ohms ac rms for 60s -65 to 175 >10G % ppm/C WMHP100 TO-247 350 C Tolerances TCR WMHP35 TO-220 Between terminals and tab 1R0: 5 >1R0: 1, 5 R20: 1000 >R20-3R0: 300 >3R0-10R: 100 >10R: 50 25 to 105C Standard values E24 preferred Physical Data Dimensions (mm) & Weight (g) TO-220 TO-247 A 10.16 0.25 15.75 0.26 B 15 0.3 20.7 0.26 C 4.6 0.2 4.95 0.26 D 3.85 0.15 3.63 0.1 E 13.75 0.5 14.48 1.27 F 4 max 2.79 0.76 G 5.08 0.25 3.63 0.18 H 0.78 0.08 1.52 0.1 J 1.3 0.1 10.16 0.26 K 6.4 0.25 5.33 0.26 L 0.51 0.15 0.81 0.26 M 2.27 0.25 2.41 0.26 Wt 2.0 nom 3.7 nom TO-220 TO-247 Performance Data Test Load at Rated Power: 2000hrs at rated power Short Term Overload: 2 x rated power with applied voltage not to exceed 1.5 x maximum continuous operating voltage for 5 seconds Damp Heat with Load: 40 2C, 90 - 95% RH, maximum working voltage 1.5 hours on, 0.5 hours off, 1000 hours Thermal Shock: -65C/150C, 100cycles Terminal Strength: 2.4N pull test General Note TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics' own data and is considered accurate at time of going to print. R% R% R% R% R% Performance 1 0.5 1 0.3 0.2 BI Technologies IRC Welwyn www.ttelectronicsresistors.com (c) TT Electronics plc 04.16 Resistors Heatsink Mount High Power Resistors unt High Power Resistors Heatsink Mount High Power Resistors WMHP Series WMHP Series Temperature Derating Mounting Temperature Derating The resistor should be mounted to a heatsink using a suitable thermal interface material. The maximum tightening torque for the M3 mounting screw is 0.9Nm. TO-220 Pulse Performance TO-247 TO-247 Typical High Frequency Performance Typical High Frequency Performance Pulse Performance ingle Pulse (Pmean << Pr) Condition 1000 TO-220 Single Pulse (Pmean << Pr) Condition Peak Power (W) 100 WMHP100 WMHP50 WMHP35 WMHP20 10 0.1 1 10 100 1000 10000 100000 Pulse Duration (ms) ns 1s is dependentPulse on mounting conditions. The short performance for durations 1sterm is dependent on mounting conditions. The shortcharacteristics term Typical high frequency for WMHP35-220R. Self frequency resonant frequency is 1GHz. Typical high characteristics for WMHP35-220R. Self resonant frequency is 1GHz. wer rating for 5s. overload power limit is 2 x power rating for 5s. Procedure Ordering Procedure 0KJ (WMHP35 atExample: 10 kilohms 5%, Pb-free)(WMHP35 at 10 kilohms 5%, Pb-free) WMHP35-10KJ General Note TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics' own data and is considered accurate at time of going to print. (c) TT Electronics plc BI Technologies IRC Welwyn www.ttelectronicsresistors.com www.ttelectronicsresistors.com www.ttelectronicsresistors.com 04.16 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: TT Electronics: WMHP100-49RJ WMHP100-10KF WMHP100-R33J WMHP50-22RJ WMHP100-51RJ WMHP100-2K2J WMHP100-5K0F WMHP35-2R0F WMHP100-R20J WMHP100-22RJ WMHP100-4R7J WMHP20-R10F WMHP1002R7F WMHP20-R10J WMHP20-4K7F WMHP100-20RJ WMHP20-1R0J WMHP100-R56J WMHP100-20RF WMHP100-25RF WMHP20-2R0J WMHP35-51RJ WMHP100-51KF WMHP35-33KF WMHP100-5R0J WMHP2027RJ WMHP100-100RF WMHP100-100RJ WMHP100-1R0J WMHP100-70RF WMHP100-R82J WMHP35-R10J WMHP35-1R0F WMHP20-5R0J WMHP100-R15J WMHP20-330RJ WMHP100-10RJ WMHP100-3R3F WMHP3527RJ WMHP50-05RF WMHP100-50RF WMHP100-03RJ WMHP20-25RF WMHP50-1K0F WMHP20-12RF WMHP100-4R0F WMHP100-01RF WMHP100-15RF WMHP20-56RF WMHP35-24RJ WMHP20-75RF WMHP350R1J WMHP35-15RJ WMHP50-200RF WMHP100-1K0J WMHP20-1K0F WMHP20-50RF WMHP35-330RJ WMHP50-10RJ WMHP100-05RJ WMHP35-10RJ WMHP50-05RJ WMHP100-5R0F WMHP20-02RF WMHP205R6F WMHP100-7R5F WMHP100-R05J WMHP20-22RF WMHP20-100RF WMHP20-5K0F WMHP100-3R0J WMHP100-02RF WMHP50-15RF WMHP50-5R0J WMHP35-2R4J WMHP20-5R0F WMHP50-5R0F WMHP35-01RF WMHP50-3R9J WMHP20-1R0F WMHP35-1R0J WMHP100-04RF WMHP100-75RF WMHP50-01KF WMHP1002R0F WMHP50-12RJ WMHP20-2R2F WMHP20-05KF WMHP50-100RJ WMHP50-20RF WMHP100-12RF WMHP100-2R5F WMHP50-47RJ WMHP100-10RF WMHP100-1R5F WMHP100-470RJ WMHP20-01RF WMHP100-01RJ WMHP20-100RJ WMHP20-330RF