Resistors Make Possible Surface Mount High Power Resistors WSMHP Series TO-263 surface mount package Very low thermal resistance Non-inductive, 20, 25 and 35 watt high power resistors Low profile package for high density PCB installation Suitable for board mounting with either solder or clip AEC-Q200 qualified All parts are Pb-free and comply with EU Directive 2011/65/EU (RoHS2) Electrical Data WSMHP20 WSMHP25 WSMHP35 20 25 35 Conditions Power rating watts Power rating watts Thermal resistance C/W 3.3 Resistor hotspot to flange Limiting element voltage volts 500 dc or ac rms ohms 0R5 - 100K Resistance range Dielectric strength Working temperature range Insulation resistance Tolerances TCR Standard values volts C ohms % ppm/C 2.5 2000 Heatsink with 25C flange temperature Without heatsink dc for 60s -55 to 175 >10G Between terminals and tab 1R0: 5 >1R0: 1, 5 3R0: 300 >3R0-10R: 100 >10R: 50 25 to 105C E24 preferred Physical Data Dimensions (mm) & Weight (g) A 10.1 0.3 B 10.1 0.3 C 4.6 0.2 D 5.0 1 E 1.27 0.3 F 2.54 0.5 G 3.2 0.2 H 0.43 0.07 J 0.88 0.12 K 1.32 0.15 L 5.08 0.1 M 1.35 0.1 O 1.5 0.5 P 2.54 0.1 P1 0 to 3 P2 0 to 3 Q 6.9 0.3 R 0 to 0.254 T 6.0 1 Wt 1.5 nom. 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. www.ttelectronicsresistors.com (c) TT Electronics plc 05.15 Resistors Surface Mount Power Resistors Surface Mount HighHigh Power Resistors Make Possible WSMHP Series WSMHP Series Performance PerformanceData Data Test Load at Rated Power: 2000hrs at rated power Load at Rated Power: 2000hrs at rated power 2 x rated with applied to exceed 1.5 x maximum continuous operating for 5 seconds Short Term Overload: Short Term Overload: 2 x rated powerpower with applied voltagevoltage not to not exceed 1.5 x maximum continuous operating voltagevoltage for 5 seconds MIL-STD-202 method 108, at 175C for 1000hrs, no load High Temperature Exposure: High Temperature Exposure: MIL-STD-202 method 108, at 175C for 1000hrs, no load JESD22 method JA-104, -55C/175C, 1000cycles TemperatureCycling: Cycling:JESD22 Temperature method JA-104, -55C/175C, 1000cycles MIL-STD-202method method103, 103,1000hrs 1000hrs85C/85% 85C/85% RH, 10% operating power BiasedHumidity: Humidity:MIL-STD-202 Biased RH, 10% ofof operating power MIL-STD-202method method213 213 MechanicalShock: Shock:MIL-STD-202 Mechanical MIL-STD-202method method 204,peak peakacceleration acceleration 20min, cycles each 3 orientations, 10-2000Hz Vibration:MIL-STD-202 Vibration: 204, 5g5g forfor 20min, 1212 cycles each ofof 3 orientations, 10-2000Hz Resistance 4.18 IEC 60115-1 4.18, 2605C forfor 1010 seconds JIS-C-5201-1 4.18 IEC 60115-1 4.18, 2605C seconds ResistancetotoSoldering SolderingHeat: Heat:JIS-C-5201-1 HBM AEC-Q200-002,human humanbody body25kV 25kV(AD) (AD) HBMESD: ESD:AEC-Q200-002, Solderability: J-STD-002,2405C 2405Cforfor3 3seconds seconds Solderability:J-STD-002, Moisture method 106, 1010 cycles, 24hours MIL-STD-202 method 106, cycles, 24hours MoistureResistance: Resistance:MIL-STD-202 Bending Strength: AEC-Q200-005, Bending 2mm for 60 seconds Bending Strength: AEC-Q200-005, Bending 2mm for 60 seconds Terminal 1.8Kg for 60 seconds AEC-Q200-006, 1.8Kg for 60 seconds TerminalStrength: Strength:AEC-Q200-006, R% R% R% R% R% R% R% R% R% R% R% R%R% R%R% R%R% R% R%R% R%R% R%R% Performance 1 1 0.30.3 0.25 0.25 0.30.3 0.50.5 0.50.5 0.20.2 0.50.5 1 1 90% coverage 90% coverage 0.50.5 0.25 0.25 0.20.2 Temperature Derating Typical Thermal Performance on FR4 Pad Heatsink Dim. x, y 50, 40 45, 35 40, 30 35, 25 20, 10 P90C, 35m (W) 4.5 4 3.5 3 2 Characterisation carried out using 35m PCB copper pad weights, with temperature of 90C used as a maximum reference on the PCB. P90C, 35m (W) is power when the measurement point reaches 90C. Pulse Performance Typical High Frequency Performance Single Pulse (Pmean << Pr) Condition Pulse performance for durations 1s is dependent on mounting conditions. The short term overload power limit is 2 x power rating for 5s. Typical high frequency characteristics for WSMHP35-220R. Self resonant frequency is 1GHz. 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. www.ttelectronicsresistors.com www.ttelectronicsresistors.com (c) TT Electronics plc 05.15 Resistors Surface Power Resistors SurfaceMount MountHigh High Power Resistors Make Possible WSMHP Series WSMHP Series Packing Packing WSMHP components areare packed on 330mm diameter reels, with 100mm diameter, tape of width 24mm with24mm a quantity 500 apieces per reel. WSMHP components packed on 330mm diameter reels, withinner 100mm innerindiameter, in tape ofand width andofwith The dimensions of the tape and orientation of the component are as shown below. quantity of 500 pieces per reel. The dimensions of the tape and orientation of the component are as shown below. Ordering Procedure Example: WSMHP35-10KJ (WSMHP35 at 10 kilohms 5%, Pb-free) 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. www.ttelectronicsresistors.com www.ttelectronicsresistors.com (c) TT Electronics plc 05.15 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: TT Electronics: WSMHP20-470RJ WSMHP20-91RF WSMHP35-47RF WSMHP25-200RF WSMHP20-22RF WSMHP35-270RJ WSMHP35-51RF WSMHP20-47RJ WSMHP25-130RJ WSMHP35-7R5J WSMHP35-47RJ WSMHP20-100RJ WSMHP25-05RF WSMHP25-01KJ WSMHP35-05RJ WSMHP25-1K0J WSMHP35-4R0F WSMHP35-03RJ WSMHP25-3R3J WSMHP25-100RF WSMHP35-200RF WSMHP35-3R3J WSMHP20-100RF WSMHP35-1K0F WSMHP35-56RF WSMHP35-01KF WSMHP35-1K0J WSMHP25-1R0J WSMHP35-100RF WSMHP35-04RF WSMHP20-10RJ WSMHP20-1R5J WSMHP20-1R0J WSMHP35-12RF WSMHP35-02RJ WSMHP35-15RJ WSMHP25-50RF WSMHP35-3R3KF WSMHP20-15RF WSMHP25-8R0F WSMHP35-1R0J WSMHP35-1R5F WSMHP35-3R0J WSMHP25-10RF WSMHP35-5R0J WSMHP35-01RJ WSMHP35-01KJ WSMHP35-12RJ WSMHP35-27RF WSMHP35-20RF WSMHP35-470RF WSMHP25-08RF WSMHP35-50RF WSMHP35-2R0J WSMHP35-05RF WSMHP25-1R5F WSMHP20-20RF WSMHP35-2R0F WSMHP35-10RF WSMHP35-15RF WSMHP20-10RF WSMHP25-20RF WSMHP35-100RJ WSMHP35-10RJ WSMHP25-01RJ WSMHP20-20RJ WSMHP25-5R0F WSMHP35-2R5F WSMHP25-25RF WSMHP20-01RJ WSMHP35-300RF WSMHP35-30RF WSMHP25-0R5J WSMHP35-02RF WSMHP35-3R3F WSMHP35-150RJ WSMHP25-12RF WSMHP35-3K3F