RTO20 & RTO50 Power Resistors

Vishay / Sfernice RTO20 and RTO50 Power Resistors are thick film medium power resistors with energy ratings for harsh pulses up to 60J/0.1s. These power resistors provide high power for long precharge / discharge up to 150W at 45°C and high dielectric strength for protection up to 3000VRMS. RTO20 resistors feature a high power dissipation-to-size ratio, a wide resistance range from 0.01Ω to 550kΩ, heat sink mounted, and negligible inductance. The RTO50 series features a high power-to-size ratio, ohmic value adjustment by sand trimming, led or surface mount versions, and non-inductive elements. Vishay / Sfernice RTO20 and RTO50 Power Resistors' applications include AMS, industrial, and automotive uses. The RTO 20W/50W  are AEC-Q200 qualified.

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Vishay / Sfernice Thick Film Resistors - Through Hole 20watts 10Kohms 5%
Datasheet
154May Stock
Min.: 1
Mult.: 1

Radial 10 kOhms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 20watts 1Kohms 5%
Datasheet
157May Stock
Min.: 1
Mult.: 1

Radial 1 kOhms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 20watts 2.2ohms 5% NON-STANDARD
Datasheet
45May Stock
Min.: 1
Mult.: 1

Radial 2.2 Ohms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 20watts 22ohms 5% NON-STANDARD
Datasheet
2May Stock
150Inoorder
Min.: 1
Mult.: 1

Radial 22 Ohms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 20watts 3.9ohms 5% NON-STANDARD
Datasheet
46May Stock
Min.: 1
Mult.: 1

Radial 3.9 Ohms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 20watts 4.7Kohms 5%
Datasheet
25May Stock
50Inaasahan 7/9/2026
Min.: 1
Mult.: 1

Radial 4.7 kOhms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 20watts 500Kohms 5%
Datasheet
48May Stock
Min.: 1
Mult.: 1

Radial 500 kOhms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 20watts 680ohms 5% NON-STANDARD
Datasheet
94May Stock
Min.: 1
Mult.: 1

Radial 680 Ohms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50watts 1ohm 5%
Datasheet
11May Stock
100Inaasahan 6/23/2026
Min.: 1
Mult.: 1

Radial 1 Ohms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50watts 1.5Kohms 5%
Datasheet
50May Stock
Min.: 1
Mult.: 1

Radial 1.5 kOhms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50watts 100ohms 5%
Datasheet
54May Stock
150Inoorder
Min.: 1
Mult.: 1

Radial 100 Ohms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50watts 1Kohms 5%
Datasheet
85May Stock
Min.: 1
Mult.: 1

Radial 1 kOhms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50watts .1ohm 5%
Datasheet
55May Stock
Min.: 1
Mult.: 1

Radial 100 mOhms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F U033 1% TU50 e3
Datasheet
49May Stock
Min.: 1
Mult.: 1

Radial 33 mOhms 20 W 1 % 700 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F U062 1% TU50 e1
Datasheet
43May Stock
Min.: 1
Mult.: 1
Radial 62 mOhms 50 W 1 % 700 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 4.7ohm 5%
Datasheet
750Inoorder
Min.: 1
Mult.: 1

Radial 4.7 Ohms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 16U 1% TU50 e3
Datasheet
127Inoorder
Min.: 1
Mult.: 1

Radial 16 Ohms 20 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 6U2 2% TU50 e3
Datasheet
49Inaasahan 7/28/2026
Min.: 1
Mult.: 1
Radial 6.2 Ohms 20 W 2 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - SMD RTO 50 C 2U 1% TU50 e1
Datasheet
50Inaasahan 7/14/2026
Min.: 1
Mult.: 1
SMD/SMT 2 Ohms 50 W 1 % 150 PPM / C TO-220-2 Flat Lead TO-220-2 Flat Lead
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 1.5ohms 1%
Datasheet
100Inaasahan 7/16/2026
Min.: 1
Mult.: 1

Radial 1.5 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 3U 1% TU50 e1
Datasheet
40Inaasahan 6/18/2026
Min.: 1
Mult.: 1
Radial 3 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 3U3 1% TU50 e1
Datasheet
50Inaasahan 7/14/2026
Min.: 1
Mult.: 1
Radial 3.3 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 4.7Kohm 5%
Datasheet
3Inoorder
Min.: 1
Mult.: 1

Radial 4.7 kOhms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 47K 1% TU50 e1
Datasheet
45Inaasahan 7/28/2026
Min.: 1
Mult.: 1
Radial 47 kOhms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 47K 5% TU50 e1
Datasheet
45Inaasahan 7/28/2026
Min.: 1
Mult.: 1
Radial 47 kOhms 50 W 5 % 150 PPM / C