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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Vishay / Sfernice Thick Film Resistors - Through Hole 220 OHM 5% 150PPM 20W
Datasheet
718In Stock
Min.: 1
Mult.: 1

RTO20F 220 Ohms 20 W 5 % 150 PPM / C - 55 C + 155 C 250 V 10.1 mm Radial Tube 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 10% TU50 e3
Datasheet
46In Stock
Min.: 1
Mult.: 1

RTO20F 180 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 U068 5% TU50 e3
Datasheet
47In Stock
Min.: 1
Mult.: 1

RTO20F 680 mOhms 20 W 5 % 150 PPM / C - 55 C + 155 C 250 V 10.1 mm Radial Tube 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 U12 1% TU50 e3
Datasheet
40In Stock
Min.: 1
Mult.: 1

RTO20F 120 mOhms 20 W 1 % - 55 C + 155 C 500 V Radial Tube
Vishay / Sfernice Thick Film Resistors - Through Hole 20watts 10Kohms 5%
Datasheet
138In Stock
Min.: 1
Mult.: 1

RTO20F 10 kOhms 20 W 5 % 150 PPM / C - 55 C + 155 C 250 V 10.1 mm Radial Tube 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 U015 5% TU50 e3
Datasheet
20In Stock
Min.: 1
Mult.: 1

RTO20F 15 mOhms 20 W 5 % 150 PPM / C - 55 C + 155 C 250 V 10.1 mm Radial Tube 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 20watts 0.05ohms 5%
Datasheet
44In Stock
Min.: 1
Mult.: 1

RTO20F 500 mOhms 20 W 5 % 150 PPM / C - 55 C + 155 C 250 V 10.1 mm Radial Tube 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 6U2 2% TU50 e3
Datasheet
49In Stock
Min.: 1
Mult.: 1
RTO20F 6.2 Ohms 20 W 2 % 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 U2 1% TU50 e3
Datasheet
35In Stock
Min.: 1
Mult.: 1

RTO20F 200 mOhms 20 W 1 % 250 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 16U 1% TU50 e3
Datasheet
77In Stock
50Expected 06-08-2026
Min.: 1
Mult.: 1

RTO20F 16 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 390U 5% TU50 e3
Datasheet
49In Stock
Min.: 1
Mult.: 1

RTO20F 390 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 2K2 5% TU50 e3
Datasheet
71In Stock
Min.: 1
Mult.: 1

RTO20F 2.2 kOhms 20 W 5 % 150 PPM / C - 55 C + 155 C 250 V 10.1 mm Radial Tube 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 47U 10% TU50 e3
Datasheet
23In Stock
Min.: 1
Mult.: 1
RTO20F 47 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 820U 10% TU50 e3
Datasheet
39In Stock
Min.: 1
Mult.: 1

RTO20F 820 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 20watts 4.7ohms 5%
Datasheet
138In Stock
Min.: 1
Mult.: 1

RTO20F 4.7 Ohms 20 W 5 % 150 PPM / C - 55 C + 155 C 250 V 10.1 mm Radial Tube 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 20W 1ohm 1%
Datasheet
52In Stock
Min.: 1
Mult.: 1

RTO20F 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
Vishay / Sfernice Thick Film Resistors - Through Hole 20W 2ohms 1%
Datasheet
24In Stock
Min.: 1
Mult.: 1

RTO20F 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 20W 330ohms 1%
Datasheet
97In Stock
Min.: 1
Mult.: 1

RTO20F 330 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 20W .015ohms 1%
Datasheet
12In Stock
Min.: 1
Mult.: 1

RTO20F 15 mOhms 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 20W .1ohms 1%
Datasheet
18In Stock
Min.: 1
Mult.: 1

RTO20F 100 mOhms 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 20W 200ohms 5%
Datasheet
57In Stock
Min.: 1
Mult.: 1

RTO20F 200 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 20watts 100ohms 5%
Datasheet
577In Stock
Min.: 1
Mult.: 1

RTO20F 100 Ohms 20 W 5 % 150 PPM / C - 55 C + 155 C 250 V 10.1 mm Radial Tube 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 20watts 1Kohms 5%
Datasheet
287In Stock
50Expected 20-08-2026
Min.: 1
Mult.: 1

RTO20F 1 kOhms 20 W 5 % 150 PPM / C - 55 C + 155 C 250 V 10.1 mm Radial Tube 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 20watts 0.1ohms 5%
Datasheet
224In Stock
Min.: 1
Mult.: 1

RTO20F 100 mOhms 20 W 5 % 150 PPM / C - 55 C + 155 C 250 V 10.1 mm Radial Tube 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 20W 15ohm 5%
Datasheet
84In Stock
Min.: 1
Mult.: 1

RTO20F 15 Ohms 20 W 5 % 150 PPM / C - 55 C + 155 C 250 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm