AP825 20W TO-126 High Power Resistors A high quality, innovative T0126 style resistor package designed for high frequency emitter circuits in switching power supplies or in snubber and pulse handling circuits. • Power Dissipation 20 watts with h/s (<200R – 10 watts) • Value Range R01 – 51K • Tolerance Options ±1% or ±5% • TCR Options ±50 - 250ppm/°C (re ohmic value) • Maximum Voltage 500Vdc or √(P.R) • Dielectric Strength 2000 Vdc • Special Features This is a small thin package for high-density PCB mounting – current rating 25 amps max. RoHS Compliant Characteristics ITEM SPECIFICATIONS Power Rating 20 Watts Power Rating 1 Watt Thermal Resistance TEST CONDITIONS at Tab temperature <25ºC Free air 5.9°C/W Resistance Range R01-R09 TCR 250PPM/°C Tolerance ±5%(J) Operation Temp. Range Max. Operating Volt Dielectric Withstanding Volt Hot spot to Tab R1-9R1 10R-51K 100PPM/°C 50PPM/°C ±1%(F),5%(J) ±1%(F),5%(J) -55 to +155°C -55°C to +155°C 500V or √PR 2kVdc 60 seconds between terminals and flange Load Life ∆R ± (1.0 % + 0.05Ω) 25°C, 90 min ON, 30 OFF, 1000hrs Humidity ∆R ± (1.0 % + 0.05Ω) 60°C, 90-95%RH, DC 0.1W, 1000hrs Soldering Heat (Maximum) ∆R ± (1.0 % + 0.05Ω) 250 ± 5°C, 3 seconds Solderability OVER 95% of surface 230 ± 5°C, 3 seconds Insulation Resistance Vibration Over 1,000 MΩ Between terminals and tab ∆R ± (0.25 % Ω) Ordering Procedure Standard Resistor: Series, Resistance and Tolerance Code. e.g. AP825 R01 F ARCOL UK Limited, The information contained herein does not form part of Threemilestone Ind. Estate, a contract and is subject to change without notice. Arcol Truro, Cornwall TR4 9LG, UK. operate a policy of continual product development therefore, T +44 (0) 1872 277431 specifications may change. F +44 (0) 1872 222002 E [email protected] www.arcolresistors.com It is the responsibility of the customer to ensure that the component selected from our range is suitable for the intended application. If in doubt please ask Arcol. Page 1 of 2 1 / 09 . 11 AP825 20W TO-220 High Power Resistors Derating Curve Temperature Rise Temperature Rise (ºC) 140 Power (W) with 2.8ºC/W heat sink 120 100 20 80 +25ºC 15 60 10 40 20 5 +155ºC 0 0 0 -50 50 0 100 150 200 10 20 Power (Watts) Flange temperature (ºC) Dimensions (mm) Structure and Materials ARCOL UK Limited, The information contained herein does not form part of Threemilestone Ind. Estate, a contract and is subject to change without notice. Arcol Truro, Cornwall TR4 9LG, UK. operate a policy of continual product development therefore, T +44 (0) 1872 277431 specifications may change. F +44 (0) 1872 222002 E [email protected] www.arcolresistors.com It is the responsibility of the customer to ensure that the component selected from our range is suitable for the intended application. If in doubt please ask Arcol. Page 2 of 2 1 / 09 . 11