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: 290
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Series Resistance Power Rating Tolerance Temperature Coefficient Minimum Operating Temperature Maximum Operating Temperature Voltage Rating Length Termination Style Packaging Height Lead Diameter Lead Spacing Product Width
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 30ohms 5% 38In Stock
100Expected 12/22/2026
13,55 €
9,36 €
9,35 €
8,28 €
Min.: 1
Mult.: 1
RTO50F 30 Ohms 50 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Power Resistors 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 10ohms 1% 100In Stock
18,95 €
13,38 €
13,37 €
12,43 €
Min.: 1
Mult.: 1
RTO50F 10 Ohms 50 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Power Resistors 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 20watts 0.1ohms 5% 219In Stock
7,62 €
6,09 €
6,02 €
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 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 16U 1% TU50 e1 17In Stock
50Expected 12/31/2026
20,85 €
14,72 €
14,71 €
13,05 €
Min.: 1
Mult.: 1
RTO50F 16 Ohms 50 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 47K 5% TU50 e1 45In Stock
14,91 €
10,29 €
9,12 €
8,28 €
Min.: 1
Mult.: 1
RTO50F 47 kOhms 50 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 22U 1% TU50 e1 39In Stock
20,85 €
14,71 €
13,42 €
12,43 €
Min.: 1
Mult.: 1
RTO50F 22 Ohms 50 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 33U 1% TU50 e1 47In Stock
20,85 €
14,71 €
13,42 €
12,43 €
Min.: 1
Mult.: 1
RTO50F 33 Ohms 50 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 3U3 1% TU50 e1 40In Stock
20,85 €
14,71 €
13,33 €
12,43 €
Min.: 1
Mult.: 1
RTO50F 3.3 Ohms 50 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 820U 10% TU50 e3 39In Stock
12,75 €
8,80 €
8,79 €
7,79 €
Min.: 1
Mult.: 1
RTO20F 820 Ohms 20 W 10 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 50U 1% TU50 e1 26In Stock
22,93 €
16,19 €
16,18 €
14,61 €
Min.: 1
Mult.: 1
RTO50F 50 Ohms 50 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 180U 10% TU50 e3 41In Stock
12,75 €
8,80 €
8,79 €
7,79 €
Min.: 1
Mult.: 1
RTO20F 180 Ohms 20 W 10 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F U068 5% TU50 e3 47In Stock
15,30 €
10,55 €
10,54 €
9,25 €
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 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F U12 1% TU50 e3 35In Stock
17,83 €
12,59 €
12,58 €
11,69 €
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 RTO 50 F 150U 1% TU50 e1 17In Stock
20,85 €
14,71 €
13,42 €
12,43 €
Min.: 1
Mult.: 1
RTO50F 150 Ohms 50 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 2K7 5% TU50 e1 50In Stock
15,64 €
10,85 €
9,12 €
8,28 €
Min.: 1
Mult.: 1
RTO50F 2.7 kOhms 50 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 3U 1% TU50 e1 30In Stock
20,85 €
14,72 €
14,71 €
13,24 €
Min.: 1
Mult.: 1
RTO50F 3 Ohms 50 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 5 OHM 1% 150PPM 50W 50In Stock
22,93 €
16,19 €
16,18 €
15,03 €
Min.: 1
Mult.: 1
RTO50F 5 Ohms 50 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 6K8 5% TU50 e1 17In Stock
14,91 €
10,29 €
9,12 €
8,28 €
Min.: 1
Mult.: 1
RTO50F 6.8 kOhms 50 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 20watts 0.05ohms 5% 44In Stock
16,83 €
11,61 €
10,24 €
9,35 €
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 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 2K2 5% TU50 e3 60In Stock
11,69 €
8,80 €
8,79 €
7,82 €
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 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 47U 10% TU50 e3 23In Stock
12,75 €
8,80 €
8,79 €
7,79 €
Min.: 1
Mult.: 1
RTO20F 47 Ohms 20 W 10 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 4K3 5% TU50 e1 38In Stock
14,91 €
10,29 €
9,12 €
8,28 €
Min.: 1
Mult.: 1
RTO50F 4.3 kOhms 50 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 47K 1% TU50 e1 45In Stock
20,85 €
14,71 €
13,42 €
12,43 €
Min.: 1
Mult.: 1
RTO50F 47 kOhms 50 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 6K8 1% TU50 e3 48In Stock
17,83 €
12,59 €
12,58 €
11,69 €
Min.: 1
Mult.: 1
RTO20F 6.8 kOhms 20 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 6U2 2% TU50 e3 37In Stock
17,83 €
12,59 €
12,58 €
11,69 €
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 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded 4.5 mm