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.

Results: 330
Select Image Part # Mfr. Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity. Qty. RoHS Termination Style Resistance Power Rating Tolerance Temperature Coefficient Case Code - in Case Code - mm
Vishay / Sfernice Thick Film Resistors - Through Hole 20watts 10Kohms 5% 138In Stock
Rp180.708,10
Rp145.667,24
Rp137.595,00
Rp137.411,54
Min.: 1
Mult.: 1
Radial 10 kOhms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 20watts 22ohms 5% NON-STANDARD 142In Stock
Rp153.372,56
Rp142.548,42
Rp129.522,76
Rp127.321,24
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 25In Stock
Rp182.909,62
Rp146.951,46
Rp142.548,42
Rp129.889,68
Min.: 1
Mult.: 1
Radial 3.9 Ohms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 20watts 330ohms 5% NON-STANDARD 29In Stock
250Expected 07/01/2027
Rp176.488,52
Rp170.067,42
Rp160.894,42
Rp137.411,54
Min.: 1
Mult.: 1
Radial 330 Ohms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 20watts 500Kohms 5% 63In Stock
Rp197.402,96
Rp192.449,54
Rp182.909,62
Rp176.121,60
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 94In Stock
Rp158.142,52
Rp156.674,84
Rp142.548,42
Rp133.558,88
Min.: 1
Mult.: 1
Radial 680 Ohms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50watts 1ohm 5% 93In Stock
Rp284.729,92
Rp194.651,06
Rp194.467,60
Rp178.506,58
Min.: 1
Mult.: 1
Radial 1 Ohms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50watts 1.5Kohms 5% 50In Stock
Rp237.213,78
Rp195.384,90
Rp185.844,98
Rp180.157,72
Min.: 1
Mult.: 1
Radial 1.5 kOhms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50watts 10ohms 5% 47In Stock
2.000Expected 24/12/2026
Rp192.449,54
Rp155.207,16
Rp146.768,00
Rp135.210,02
Min.: 1
Mult.: 1
Radial 10 Ohms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50watts 100ohms 5% 63In Stock
150Expected 17/12/2026
Rp215.382,04
Rp175.387,76
Rp166.214,76
Rp160.710,96
Min.: 1
Mult.: 1
Radial 100 Ohms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50watts 10Kohms 5% 56In Stock
Rp212.079,76
Rp173.186,24
Rp172.085,48
Rp154.840,24
Min.: 1
Mult.: 1
Radial 10 kOhms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50watts 1Kohms 5% 85In Stock
Rp201.255,62
Rp163.646,32
Rp163.462,86
Rp151.537,96
Min.: 1
Mult.: 1
Radial 1 kOhms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F U033 1% TU50 e3 44In Stock
Rp574.780,18
Rp405.813,52
Rp405.630,06
Rp371.873,42
Min.: 1
Mult.: 1
Radial 33 mOhms 20 W 1 % 700 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 3U74 1% TU50 e1 45In Stock
Rp489.104,36
Rp353.710,88
Rp353.527,42
Rp290.600,64
Min.: 1
Mult.: 1
Radial 3.74 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 220 OHM 5% 150PPM 20W
1.500On Order
Rp207.676,72
Rp148.052,22
Rp144.566,48
Rp127.137,78
Min.: 1
Mult.: 1
Radial 220 Ohms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50wattts
272On Order
Rp233.361,12
Rp191.348,78
Rp181.625,40
Rp175.754,68
Min.: 1
Mult.: 1
Radial 15 Ohms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 470ohms 5%
200On Order
Rp221.619,68
Rp181.625,40
Rp172.452,40
Rp166.948,60
Min.: 1
Mult.: 1
Radial 470 Ohms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 56ohm 5%
200Expected 31/12/2026
Rp204.924,82
Rp166.948,60
Rp166.765,14
Rp163.829,78
Min.: 1
Mult.: 1
Radial 56 Ohms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 2U7 5% TU50 e3 50In Stock
Rp271.887,72
Rp187.679,58
Rp187.496,12
Rp166.214,76
Min.: 1
Mult.: 1
Radial 2.7 Ohms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F U015 5% TU50 e3
20Expected 31/12/2026
Rp365.085,40
Rp257.761,30
Rp257.577,84
Rp232.627,28
Min.: 1
Mult.: 1
Radial 15 mOhms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 220U 5% TU50 e1
48Expected 31/12/2026
Rp220.518,92
Rp179.790,80
Rp170.434,34
Rp168.783,20
Min.: 1
Mult.: 1
Radial 220 Ohms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 47U 1% TU50 e1
29Expected 19/01/2027
Rp444.707,04
Rp314.083,52
Rp313.716,60
Rp289.866,80
Min.: 1
Mult.: 1
Radial 47 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 20watts 2.2ohms 5% NON-STANDARD
160Expected 05/01/2027
Rp186.945,74
Rp151.171,04
Rp142.915,34
Rp142.731,88
Min.: 1
Mult.: 1
Radial 2.2 Ohms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 20watts 4.7Kohms 5%
75Expected 07/01/2027
Rp186.945,74
Rp151.171,04
Rp142.915,34
Rp137.961,92
Min.: 1
Mult.: 1
Radial 4.7 kOhms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 51U 5% TU50 e1 Non-Stocked Lead-Time 12 Weeks
Rp220.518,92
Rp179.790,80
Rp170.434,34
Rp170.250,88
Min.: 1
Mult.: 1
Radial 51 Ohms 50 W 5 % 150 PPM / C