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 50W 20Kohms 1%
Datasheet
18May Stock
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Radial 20 kOhms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 8ohms 1%
Datasheet
42May Stock
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Radial 8 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50W .15ohms 5%
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68May Stock
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Mult.: 1

Radial 150 mOhms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50W .5ohms 1%
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72May Stock
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Mult.: 1

Radial 500 mOhms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 20W 200ohms 5%
Datasheet
57May Stock
Min.: 1
Mult.: 1

Radial 200 Ohms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 47ohm 5%
Datasheet
1,079May Stock
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Radial 47 Ohms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 4.7ohm 5%
Datasheet
746May Stock
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Radial 4.7 Ohms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 20watts 100ohms 5%
Datasheet
577May Stock
Min.: 1
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Radial 100 Ohms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 20watts 1Kohms 5%
Datasheet
287May Stock
50Inaasahan 8/20/2026
Min.: 1
Mult.: 1

Radial 1 kOhms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 20watts 47ohms 5%
Datasheet
376May Stock
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Radial 47 Ohms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 20watts 0.1ohms 5%
Datasheet
219May Stock
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Radial 100 mOhms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50watts 10ohms 5%
Datasheet
505May Stock
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Mult.: 1

Radial 10 Ohms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 20W 15ohm 5%
Datasheet
84May Stock
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Radial 15 Ohms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 20W 2.7Kohm 5%
Datasheet
79May Stock
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Radial 2.7 kOhms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 470 OHM 5% 150PPM 20W
Datasheet
1May Stock
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Mult.: 1

Radial 470 Ohms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 20W 56ohm 5%
Datasheet
84May Stock
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Radial 56 Ohms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 20W 82ohm 5%
Datasheet
85May Stock
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Mult.: 1

Radial 82 Ohms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50wattts
Datasheet
6May Stock
200Inaasahan 10/8/2026
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Radial 15 Ohms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 3.9ohm 5%
Datasheet
105May Stock
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Radial 3.9 Ohms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 4.7Kohm 5%
Datasheet
3May Stock
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Radial 4.7 kOhms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 56ohm 5%
Datasheet
21May Stock
50Inaasahan 8/18/2026
Min.: 1
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Radial 56 Ohms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 5 OHM 5% 150PPM 50W
Datasheet
2May Stock
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Radial 5 Ohms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 680ohm 5%
Datasheet
1May Stock
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Radial 680 Ohms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 6U8 1% TU50 e1
Datasheet
50May Stock
Min.: 1
Mult.: 1
Radial 6.8 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F U2 5% TU50 e1
Datasheet
4May Stock
50Inaasahan 10/29/2026
Min.: 1
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Radial 200 mOhms 50 W 5 % 150 PPM / C