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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Qty. RoHS Termination Style
Resistance
Power Rating
Tolerance
Temperature Coefficient
Case Code - in
Case Code - mm
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 30ohms 5%
Datasheet
38In Stock
100Expected 22/12/2026
€13.55
€9.36
€9.35
€8.28
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Mult.: 1
Radial 30 Ohms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 10ohms 1%
Datasheet
99In Stock
€18.95
€13.74
€12.43
€11.29
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Radial 10 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 20watts 0.1ohms 5%
Datasheet
219In Stock
€7.62
€6.09
€6.02
Min.: 1
Mult.: 1
Radial 100 mOhms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 820U 10% TU50 e3
Datasheet
39In Stock
€12.75
€8.80
€8.79
€7.79
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Mult.: 1
Radial 820 Ohms 20 W 10 % 150 PPM / C
Vishay / Sfernice RTO050C30R00JTE1
Vishay / Sfernice Thick Film Resistors - SMD RTO 50 C 30U 5% TU50 e1
Datasheet
32In Stock
€15.67
€10.81
€10.80
€9.57
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Min.: 1
Mult.: 1
SMD/SMT 30 Ohms 50 W 5 % 150 PPM / C TO-220-2 Flat Lead TO-220-2 Flat Lead
Vishay / Sfernice RTO050C47R00JTE1
Vishay / Sfernice Thick Film Resistors - SMD RTO 50 C 47U 5% TU50 e1
Datasheet
20In Stock
€15.67
€10.81
€10.80
€9.57
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Mult.: 1
SMD/SMT 47 Ohms 50 W 5 % 150 PPM / C TO-220-2 Flat Lead TO-220-2 Flat Lead
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 50U 1% TU50 e1
Datasheet
26In Stock
€22.93
€16.19
€16.18
€15.03
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Mult.: 1
Radial 50 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice RTO050C100R0JTE1
Vishay / Sfernice Thick Film Resistors - SMD RTO 50 C 100U 5% TU50 e1
Datasheet
47In Stock
€15.67
€10.81
€10.80
€9.57
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Min.: 1
Mult.: 1
SMD/SMT 100 Ohms 50 W 5 % 150 PPM / C TO-220-2 Flat Lead TO-220-2 Flat Lead
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 16U 1% TU50 e1
Datasheet
17In Stock
50Expected 31/12/2026
€20.85
€14.71
€13.30
€12.43
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Min.: 1
Mult.: 1
Radial 16 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 47K 5% TU50 e1
Datasheet
45In Stock
€14.91
€10.29
€9.12
€8.28
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Radial 47 kOhms 50 W 5 % 150 PPM / C
Vishay / Sfernice RTO050C2R000FTE1
Vishay / Sfernice Thick Film Resistors - SMD RTO 50 C 2U 1% TU50 e1
Datasheet
50In Stock
€21.90
€15.45
€14.35
€13.05
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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 RTO050C2R400JTE1
Vishay / Sfernice Thick Film Resistors - SMD RTO 50 C 2U4 5% TU50 e1
Datasheet
46In Stock
€15.67
€10.81
€10.80
€9.57
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Min.: 1
Mult.: 1
SMD/SMT 2.4 Ohms 50 W 5 % 150 PPM / C TO-220-2 Flat Lead TO-220-2 Flat Lead
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 22U 1% TU50 e1
Datasheet
39In Stock
€20.85
€14.71
€13.59
€12.43
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Mult.: 1
Radial 22 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 33U 1% TU50 e1
Datasheet
47In Stock
€20.85
€14.71
€13.67
€12.43
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Min.: 1
Mult.: 1
Radial 33 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 3U3 1% TU50 e1
Datasheet
40In Stock
€20.85
€14.72
€14.71
€13.61
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Mult.: 1
Radial 3.3 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 6K8 1% TU50 e3
Datasheet
48In Stock
€17.83
€12.59
€12.58
€11.69
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Mult.: 1
Radial 6.8 kOhms 20 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 6U2 2% TU50 e3
Datasheet
37In Stock
€17.83
€12.59
€12.58
€11.69
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Min.: 1
Mult.: 1
Radial 6.2 Ohms 20 W 2 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F U2 1% TU50 e3
Datasheet
23In Stock
€17.83
€12.59
€12.58
€11.69
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Min.: 1
Mult.: 1
Radial 200 mOhms 20 W 1 % 250 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 15U 1% TU50 e1
Datasheet
10In Stock
€20.85
€14.71
€13.59
€12.43
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Min.: 1
Mult.: 1
Radial 15 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 6U98 1% TU50 e1
Datasheet
44In Stock
€22.93
€16.19
€16.18
€14.91
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Radial 6.98 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 180U 10% TU50 e3
Datasheet
41In Stock
€12.75
€8.80
€8.79
€7.79
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Radial 180 Ohms 20 W 10 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F U068 5% TU50 e3
Datasheet
47In Stock
€15.30
€10.55
€10.54
€9.14
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Radial 680 mOhms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F U12 1% TU50 e3
Datasheet
35In Stock
€17.83
€12.69
€10.80
€10.54
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Min.: 1
Mult.: 1
Radial 120 mOhms 20 W 1 %
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 150U 1% TU50 e1
Datasheet
17In Stock
€20.85
€14.71
€13.59
€12.43
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Min.: 1
Mult.: 1
Radial 150 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 2K2 5% TU50 e3
Datasheet
60In Stock
€11.69
€8.80
€8.79
€7.82
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Radial 2.2 kOhms 20 W 5 % 150 PPM / C