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 (DKK) 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 22ohms 5% NON-STANDARD 142In Stock
53,64 kr.
49,83 kr.
45,36 kr.
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 32In Stock
63,93 kr.
51,40 kr.
49,83 kr.
45,43 kr.
45,36 kr.
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
61,69 kr.
59,46 kr.
56,25 kr.
48,19 kr.
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
69,01 kr.
67,29 kr.
63,93 kr.
61,62 kr.
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
55,28 kr.
54,76 kr.
49,83 kr.
46,70 kr.
45,36 kr.
Min.: 1
Mult.: 1
Radial 680 Ohms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50watts 1ohm 5% 100In Stock
99,59 kr.
68,04 kr.
62,44 kr.
54,09 kr.
53,04 kr.
Min.: 1
Mult.: 1
Radial 1 Ohms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50watts 10ohms 5% 47In Stock
2.000Expected 24/12/2026
67,29 kr.
54,31 kr.
51,32 kr.
47,30 kr.
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
71,09 kr.
57,89 kr.
54,83 kr.
52,97 kr.
Min.: 1
Mult.: 1
Radial 100 Ohms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50watts 1Kohms 5% 85In Stock
70,35 kr.
57,22 kr.
57,14 kr.
52,97 kr.
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
200,97 kr.
141,89 kr.
141,81 kr.
124,13 kr.
Min.: 1
Mult.: 1
Radial 33 mOhms 20 W 1 % 700 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 20W 12ohm 5%
299On Order
69,15 kr.
55,88 kr.
52,89 kr.
51,10 kr.
Min.: 1
Mult.: 1
Radial 12 Ohms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 220 OHM 5% 150PPM 20W
1.000Expected 31/12/2026
72,66 kr.
51,77 kr.
50,58 kr.
44,46 kr.
Min.: 1
Mult.: 1
Radial 220 Ohms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 56ohm 5%
200Expected 31/12/2026
71,69 kr.
58,41 kr.
58,34 kr.
57,29 kr.
53,04 kr.
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
50Expected 29/10/2026
95,12 kr.
65,65 kr.
65,57 kr.
58,11 kr.
Min.: 1
Mult.: 1
Radial 2.7 Ohms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 4U7 1% TU50 e3
50On Order
133,01 kr.
93,92 kr.
93,85 kr.
87,21 kr.
Min.: 1
Mult.: 1
Radial 4.7 Ohms 20 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F U015 5% TU50 e3
20Expected 31/12/2026
127,64 kr.
90,12 kr.
90,04 kr.
78,63 kr.
Min.: 1
Mult.: 1
Radial 15 mOhms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 1U 1% TU50 e1
40Expected 22/10/2026
155,54 kr.
109,81 kr.
109,74 kr.
99,22 kr.
Min.: 1
Mult.: 1
Radial 1 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 220U 5% TU50 e1
48Expected 31/12/2026
77,14 kr.
62,89 kr.
59,61 kr.
59,01 kr.
Min.: 1
Mult.: 1
Radial 220 Ohms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 3U74 1% TU50 e1
45Expected 02/11/2026
171,06 kr.
123,61 kr.
105,04 kr.
101,98 kr.
Min.: 1
Mult.: 1
Radial 3.74 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 470ohms 5%
100Expected 03/11/2026
77,51 kr.
63,48 kr.
60,28 kr.
58,41 kr.
Min.: 1
Mult.: 1
Radial 470 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
155,54 kr.
109,74 kr.
100,11 kr.
92,73 kr.
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
65,35 kr.
52,89 kr.
49,98 kr.
49,91 kr.
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
65,35 kr.
52,89 kr.
49,98 kr.
48,27 kr.
Min.: 1
Mult.: 1
Radial 4.7 kOhms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50watts 1.5Kohms 5%
50Expected 02/11/2026
82,96 kr.
68,33 kr.
64,98 kr.
63,04 kr.
Min.: 1
Mult.: 1
Radial 1.5 kOhms 50 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
77,14 kr.
62,89 kr.
59,61 kr.
59,53 kr.
Min.: 1
Mult.: 1
Radial 51 Ohms 50 W 5 % 150 PPM / C