PWR220T-35 Datasheet | Bourns

Features n TO-220 housing n Low inductance n Resistor electrically isolated from the backplate n High power rating n AEC-Q200 pliant n Ro HS pliant- PWR220T-35 Series Power Resistor General Information Bourns® PWR220T-35 Series is a TO-220 DPAK style power resistor. Manufactured using thick film on alumina ceramic technology, it is used in current measurement, snubber, bleeder and discharge circuits. Electrical & Thermal Characteristics Parameter Resistance (See Popular Resistance Values table) Power Rating @ 25 ˚C Case Temperature Tolerance TCR 0.02 Ω<R<130.0K Ω Thermal Resistance - Rthj Inductance Operating Voltage Dielectric Strength Insulation Resistance Operating Temperature Value(s) 0.02 Ω to 130 KΩ 35 W ±1 %- - , ±5 % ±100 PPM/˚C 3.7 ˚C/W 0.1 µH maximum √P- R with a maximum of 250 V 2 KV AC 10 GΩ -55 ˚C to 155 ˚C - - Available for most values. Check Popular Resistance Values table. Reliability Characteristics Parameter Short Term Overload (2x Pr for R < 2 Ω, 1.6 x Pr for R ≥ 2 Ω, V < 1.5 x Operating Voltage) Load Life (1000 hours at rated power) Thermal Shock (-55 ˚C to 155 ˚C, 5 cycles) Resistance to Soldering Heat (10 seconds at 270 ˚C) Vibration (20 G 10-2000 Hz .06 ” D.A.) Terminal Strength (MIL-STD-202, Method 211 Test A1) Shock (Saw Tooth: 100 g/6 ms) Humidity (Steady State) 1000 hrs. 85 °C/85 % RH High Temperature Exposure (100 hrs - 40 % Pr @ +125 °C) Specification ΔR ±0.25 % ΔR ±1.0 % ΔR ±0.5 % ΔR ±0.5 % ΔR ±0.25 % ΔR ±0.2 % ΔR ±0.5 % ΔR ±0.5 % ΔR ±0.5 % Material Characteristics Resistor Thick film Substrate Alumina (AL203) Housing Epoxy Pins Tinned Copper (Sn/Cu) Flammability Conforms to UL-94V0 Packaging 50 pcs./tube Additional Information Click these links for more information: PRODUCT TECHNICAL INVENTORY SAMPLES CONTACT LIBRARY Popular Resistance Values Code R020 R025...