AP851 50 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. * 50 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 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 R1 - 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 AP851 50 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: AP851 1K F 50PPM AP851 5K J 100PPM AP851 39R F 50PPM AP851 2K7 F 50PPM AP851 1K5 J 100PPM AP851 180R F 50PPM AP851 R2 J AP851 R3 J AP851 1R8 J AP851 470R F 50PPM AP851 39R J 100PPM AP851 2K2 J 100PPM AP851 3K9 J 100PPM AP851 100R J 100PPM AP851 68R J 100PPM AP851 5R F 100PPM AP851 2R2 F AP851 25R J 100PPM AP851 18R F 50PPM AP851 10R J 100PPM AP851 8K2 F 50PPM AP851 220R J 100PPM AP851 120R J 100PPM AP851 4K7 F 50PPM AP851 27R F 50PPM AP851 82R J 100PPM AP851 2R7 J AP851 27R J 100PPM AP851 R5 J AP851 3K9 F 50PPM AP851 1R8 F AP851 R4 J AP851 2K5 J 100PPM AP851 5K F 50PPM AP851 10R F 100PPM AP851 680R J 100PPM AP851 R7 J AP851 R8 J AP851 330R F 50PPM AP851 22R J 100PPM AP851 4K7 J 100PPM AP851 560R F 50PPM AP851 5K6 J 100PPM AP851 150R J 100PPM AP851 100R F 50PPM AP851 R6 J AP851 6R8 F 100PPM AP851 5R6 J 100PPM AP851 5K6 F 50PPM AP851 2K7 J 100PPM AP851 1K8 F 50PPM AP851 50R J 100PPM AP851 1K5 F 50PPM AP851 270R F 50PPM AP851 8R2 J 100PPM AP851 470R J 100PPM AP851 6K8 J 100PPM AP851 10K F 50PPM AP851 680R F 50PPM AP851 1R5 F AP851 120R F 50PPM AP851 5R6 F 100PPM AP851 2R5 J AP851 15R J 100PPM AP851 47R J 100PPM AP851 12R J 100PPM AP851 18R J 100PPM AP851 22R F 50PPM AP851 1K8 J 100PPM AP851 3K3 J 100PPM AP851 8R2 F 100PPM AP851 270R J 100PPM AP851 2R2 J AP851 6K8 F 50PPM AP851 390R F 50PPM AP851 150R F 50PPM AP851 1R F AP851 820R J 100PPM AP851 1K2 F 50PPM AP851 820R F 50PPM AP851 330R J 100PPM AP851 3R9 J 100PPM AP851 47R F 50PPM AP851 1R2 F AP851 10K J 100PPM AP851 3R3 J 100PPM AP851 4R7 J 100PPM AP851 390R J 100PPM AP851 25R F 50PPM AP851 56R F 50PPM AP851 68R F 50PPM AP851 1K J 100PPM AP851 R1 J AP851 1K2 J 100PPM AP851 3K3 F 50PPM AP851 1R J AP851 56R J 100PPM AP851 6R8 J 100PPM AP851 33R J 100PPM AP851 220R F 50PPM