20W Power Resistors, RTO 20 Series

The Vishay / Sfernice RTO 20 Series 20W Power Resistors utilize thick film technology and the compact and easy to mount TO-220 package. The RTO20 series features high power dissipation to size ratio, wide resistance range from 0.01Ω to 550kΩ, and negligible inductance.

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Qty. RoHS ECAD Model Series
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Power Rating
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Temperature Coefficient
Minimum Operating Temperature
Maximum Operating Temperature
Voltage Rating
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Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 120U 5% TU50 e3
Datasheet
Non-Stocked
Min.: 1
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RTO20F 120 Ohms 20 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 1K5 5% TU50 e3
Datasheet
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RTO20F 1.5 kOhms 20 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 15K 1% TU50 e3
Datasheet
Non-Stocked
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RTO20F 15 kOhms 20 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 150U 1% TU50 e3
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RTO20F 150 Ohms 20 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 150U 5% TU50 e3
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RTO20F 150 Ohms 20 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 15U 10% TU50 e3
Datasheet
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RTO20F 15 Ohms 20 W 10 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 18K 5% TU50 e3
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RTO20F 18 kOhms 20 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 180U 5% TU50 e3
Datasheet
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RTO20F 180 Ohms 20 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 1U2 1% TU50 e3
Datasheet
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RTO20F 1.2 Ohms 20 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 1U2 5% TU50 e3
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RTO20F 1.2 Ohms 20 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 1U5 5% TU50 e3
Datasheet
Non-Stocked
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RTO20F 1.5 Ohms 20 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 1U6 5% TU50 e3
Datasheet
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RTO20F 1.6 Ohms 20 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 205K 1% TU50 e3
Datasheet
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RTO20F 20.5 kOhms 20 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 20U 1% TU50 e3
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RTO20F 20 Ohms 20 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 220K 1% TU50 e3
Datasheet
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RTO20F 220 kOhms 20 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 220U 1% TU50 e3
Datasheet
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RTO20F 220 Ohms 20 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 220U 10% TU50 e3
Datasheet
Non-Stocked
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RTO20F 220 Ohms 20 W 10 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 22U 1% TU50 e3
Datasheet
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RTO20F 22 Ohms 20 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 22U 10% TU50 e3
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RTO20F 22 Ohms 20 W 10 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 2K4 5% TU50 e3
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RTO20F 2.4 kOhms 20 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 240K 10% TU50 e3
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RTO20F 240 kOhms 20 W 10 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 25U 5% TU50 e3
Datasheet
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RTO20F 25 Ohms 20 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 27U 5% TU50 e3
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RTO20F 27 Ohms 20 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 2U2 1% TU50 e3
Datasheet
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RTO20F 2.2 Ohms 20 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 30U1 1% TU50 e3
Datasheet
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RTO20F 30.1 Ohms 20 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm