AP821 20 Watts TO-220 High Power Resistors A high power TO-220 style resistor package designed for high frequency emitter circuits in switching power supplies. Also used in voltage regulation and low energy pulse loading. * 20 Watts at 25C case temperature on heat sink * Single screw mounting to heat sink * Moulded case for proctection and easy to mount * Non-inductive design * Electrically isolated case * RoHS Compliant Characteristics Power rating: 2.25 Watts in free air Operating voltage: 420V max Dielectric strength: 1800Vac Insulation resistance: 10G min Working temperature range: -65C to +150C Temperature coefficient: As specified, referenced to 25C, R taken at +105C Short time overload: R 0.3%, 2 times rated power with applied voltage not to exceed 1.5 times maximum continuous operating voltage for 5 seconds Load life: R 1.0%, 2000 hours at rated power Damp heat with load: R 0.5%, 40 2C, 90 - 95% R.H max working voltage for 1000 hours with 1.5 hours "ON" and 0.5 hours "OFF" Solderability: 90% min coverage, 245 5C for 3 seconds Thermal shock: R 0.3%, -65C - 150C, 100 cycles Terminal strength: R 0.2%, 2.4 N Vibration and high frequency: R 0.2%, 20g peak Electrical Specifications Resistance Value Range Available Tolerance & Pref. Available TCR Value Ranges R05 - 1R J (5%) K (10%) 3R01 - 10R 10R2 - 10K F (1%) , J (5%) , K (10%) D (0.5%) F (1%) J (5%) K (10%) 100 Not specified 300ppm/C Power Rated % 1R02 - 3R Derating Curve 100ppm/C 200ppm/C 50ppm/C 100ppm/C 200ppm/C 80 60 40 20 0 0 25 50 Preferred value ranges: F (1%) - E96 , J (5%) - E24, K (10%) - E12 75 100 125 150 175 Case Temperature (C) ARCOL UK Limited, The information contained herein does not form part of a Threemilestone Ind. Estate, 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 sales@arcolresistors.com 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 2/13.18 AP821 20 Watts TO-220 High Power Resistors 0.40 0.42" (10.15 -10.67mm) 10.15 10.67 0.63 0.65" (16.00- 16.52 16.52mm) 16.00 0.115 0.135" (2.92 3.44mm) 2.92 - 3.44 Dimensions (mm) 0.115 0.135" (2.92 -3.44mm) 2.92 3.44 0.121 0.129" (3.08 3.083.28mm) - 3.28 0.045 0.055" (1.14 1.141.40mm) - 1.40 0.016 0.024" (0.40 -0.60mm) 0.40 0.60 0.06 0.08" (1.52 - 2.04mm) 1.52 2.04 0.45 0.55" (11.43 13.97mm) 11.43 - 13.97 0.026 0.034" (0.66 0.660.86mm) - 0.86 0.10 0.16" (2.54 2.544.06mm) - 4.06 0.19 0.21" (4.82 5.34mm) 4.82 - 5.34 ARCOL UK Limited, The information contained herein does not form part of a Threemilestone Ind. Estate, 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 sales@arcolresistors.com 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 2/13.18 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Arcol: AP821 3R3 J 100PPM AP821 1R F AP821 5K F 50PPM AP821 180R J 100PPM AP821 1R2 J AP821 2K7 F 50PPM AP821 15R J 100PPM AP821 R8 J AP821 56R F 50PPM AP821 4R7 F 100PPM AP821 1K2 J 100PPM AP821 180R F 50PPM AP821 27R F 50PPM AP821 39R J 100PPM AP821 150R F 50PPM AP821 150R J 100PPM AP821 1K5 F 50PPM AP821 4R7 J 100PPM AP821 100R J 100PPM AP821 680R F 50PPM AP821 R7 J AP821 1K J 100PPM AP821 R6 J AP821 2K2 J 100PPM AP821 3K9 F 50PPM AP821 33R F 50PPM AP821 15R F 50PPM AP821 2R5 F AP821 2K2 F 50PPM AP821 680R J 100PPM AP821 3K3 F 50PPM AP821 R1 J AP821 1K F 50PPM AP821 8R2 J 100PPM AP821 2R7 F AP821 1K8 F 50PPM AP821 25R J 100PPM AP821 R2 J AP821 R08 J AP821 1R5 J AP821 2R5 J AP821 68R J 100PPM AP821 820R J 100PPM AP821 2R2 J AP821 27R J 100PPM AP821 4K7 J 100PPM AP821 560R J 100PPM AP821 4K7 F 50PPM AP821 5K6 J 100PPM AP821 82R J 100PPM AP821 8K2 J 100PPM AP821 3R9 F 100PPM AP821 10R J 100PPM AP821 2R2 F AP821 R06 J AP821 50R F 50PPM AP821 220R F 50PPM AP821 390R J 100PPM AP821 25R F 50PPM AP821 330R J 100PPM AP821 270R F 50PPM AP821 18R F 50PPM AP821 2K5 J 100PPM AP821 2R7 J AP821 820R F 50PPM AP821 1R2 F AP821 2K5 F 50PPM AP821 1R8 J AP821 6K8 F 50PPM AP821 3K3 J 100PPM AP821 22R J 100PPM AP821 10R F 100PPM AP821 1K2 F 50PPM AP821 3R3 F 100PPM AP821 2K7 J 100PPM AP821 R05 J AP821 560R F 50PPM AP821 330R F 50PPM AP821 3R9 J 100PPM AP821 1R J AP821 R5 J AP821 120R F 50PPM AP821 5R6 J 100PPM AP821 270R J 100PPM AP821 6K8 J 100PPM AP821 68R F 50PPM AP821 1R8 F AP821 6R8 F 100PPM AP821 120R J 100PPM AP821 1R5 F AP821 390R F 50PPM AP821 8K2 F 50PPM AP821 R07 J AP821 5K J 100PPM AP821 82R F 50PPM AP821 1K8 J 100PPM AP821 5K6 F 50PPM AP821 5R F 100PPM AP821 10K J 100PPM AP821 50R J 100PPM