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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 3000V_RMS. 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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Termination Style	Resistance	Power Rating	Tolerance	Temperature Coefficient	Case Code - in	Case Code - mm
Thick Film Resistors - Through Hole RTO 50 F 2U 5% TU50 e1 RTO050F2R000JTE1 Vishay / Sfernice 1: 13,35 € 39In Stock 100Expected 11/10/2026	Mfr. Part No. RTO050F2R000JTE1 Mouser Part No 72-RTO050F2R000JTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 50 F 2U 5% TU50 e1 Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	39In Stock 100Expected 11/10/2026	13,35 € 10,29 € 8,45 € 8,23 € View 7,53 € 7,38 € 7,17 € Quote	Min.: 1 Mult.: 1	Radial	2 Ohms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 50 F 3U 1% TU50 e1 RTO050F3R000FTE1 Vishay / Sfernice 1: 20,85 € 30In Stock	Mfr. Part No. RTO050F3R000FTE1 Mouser Part No 72-RTO050F3R000FTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 50 F 3U 1% TU50 e1	Datasheet	30In Stock	20,85 € 14,71 € 13,41 € 12,43 € View 11,79 € 11,59 € 11,47 € Quote	Min.: 1 Mult.: 1	Radial	3 Ohms	50 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole 5 OHM 1% 150PPM 50W RTO050F5R000FTE1 Vishay / Sfernice 1: 22,93 € 50In Stock	Mfr. Part No. RTO050F5R000FTE1 Mouser Part No 72-RTO050F5R000FTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole 5 OHM 1% 150PPM 50W	Datasheet	50In Stock	22,93 € 16,19 € 16,18 € 14,50 € View 13,65 € 12,43 € 11,73 €	Min.: 1 Mult.: 1	Radial	5 Ohms	50 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 50 F 6K8 5% TU50 e1 RTO050F68000JTE1 Vishay / Sfernice 1: 14,91 € 17In Stock	Mfr. Part No. RTO050F68000JTE1 Mouser Part No 72-RTO050F68000JTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 50 F 6K8 5% TU50 e1	Datasheet	17In Stock	14,91 € 10,29 € 9,12 € 8,28 € View 7,83 € 7,81 € 7,69 € Quote	Min.: 1 Mult.: 1	Radial	6.8 kOhms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 20watts 0.05ohms 5% RTO020FR0500JTE3 Vishay / Sfernice 1: 16,83 € 44In Stock	Mfr. Part No. RTO020FR0500JTE3 Mouser Part No 72-RTO20F-R05-5	Vishay / Sfernice	Thick Film Resistors - Through Hole 20watts 0.05ohms 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	44In Stock	16,83 € 11,62 € 11,61 € 10,29 € View 9,35 € 9,00 € 8,98 € 8,86 € Quote	Min.: 1 Mult.: 1	Radial	500 mOhms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 20watts 4.7ohms 5% RTO020F4R700JTE3 Vishay / Sfernice 1: 6,16 € 138In Stock	Mfr. Part No. RTO020F4R700JTE3 Mouser Part No 72-RTO20F-4.7-5	Vishay / Sfernice	Thick Film Resistors - Through Hole 20watts 4.7ohms 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	138In Stock	6,16 € 5,03 €	Min.: 1 Mult.: 1	Radial	4.7 Ohms	20 W	5 %	150 PPM / C
Thick Film Resistors - SMD RTO 50 C 2U 1% TU50 e1 Vishay / Sfernice RTO050C2R000FTE1 RTO050C2R000FTE1 Vishay / Sfernice 1: 21,90 € 50In Stock	Mfr. Part No. RTO050C2R000FTE1 Mouser Part No 72-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 € View 12,64 € 12,54 € Quote	Min.: 1 Mult.: 1	SMD/SMT	2 Ohms	50 W	1 %	150 PPM / C	TO-220-2 Flat Lead	TO-220-2 Flat Lead
Thick Film Resistors - SMD RTO 50 C 2U4 5% TU50 e1 Vishay / Sfernice RTO050C2R400JTE1 RTO050C2R400JTE1 Vishay / Sfernice 1: 15,67 € 46In Stock	Mfr. Part No. RTO050C2R400JTE1 Mouser Part No 72-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 € View 8,69 € 8,45 € 8,42 € 8,31 € Quote	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
Thick Film Resistors - Through Hole RTO 50 F 22U 1% TU50 e1 RTO050F22R00FTE1 Vishay / Sfernice 1: 20,85 € 39In Stock	Mfr. Part No. RTO050F22R00FTE1 Mouser Part No 72-RTO050F22R00FTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 50 F 22U 1% TU50 e1	Datasheet	39In Stock	20,85 € 14,71 € 13,51 € 12,43 € View 11,77 € 11,65 € 11,60 € Quote	Min.: 1 Mult.: 1	Radial	22 Ohms	50 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 50 F 33U 1% TU50 e1 RTO050F33R00FTE1 Vishay / Sfernice 1: 20,85 € 47In Stock	Mfr. Part No. RTO050F33R00FTE1 Mouser Part No 72-RTO050F33R00FTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 50 F 33U 1% TU50 e1	Datasheet	47In Stock	20,85 € 14,71 € 13,51 € 12,43 € View 11,77 € 11,58 € 11,52 € Quote	Min.: 1 Mult.: 1	Radial	33 Ohms	50 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 50 F 3U3 1% TU50 e1 RTO050F3R300FTE1 Vishay / Sfernice 1: 20,85 € 34In Stock	Mfr. Part No. RTO050F3R300FTE1 Mouser Part No 72-RTO050F3R300FTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 50 F 3U3 1% TU50 e1	Datasheet	34In Stock	20,85 € 14,71 € 13,54 € 12,43 € View 11,69 € 11,52 € 11,46 € Quote	Min.: 1 Mult.: 1	Radial	3.3 Ohms	50 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 20 F 6K8 1% TU50 e3 RTO020F68000FTE3 Vishay / Sfernice 1: 17,83 € 48In Stock	Mfr. Part No. RTO020F68000FTE3 Mouser Part No 72-RTO020F68000FTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 20 F 6K8 1% TU50 e3 Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	48In Stock	17,83 € 12,59 € 12,58 € 11,69 € View 10,62 € 10,14 € 10,05 € 10,00 € Quote	Min.: 1 Mult.: 1	Radial	6.8 kOhms	20 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 20 F 6U2 2% TU50 e3 RTO020F6R200GTE3 Vishay / Sfernice 1: 17,83 € 37In Stock	Mfr. Part No. RTO020F6R200GTE3 Mouser Part No 72-RTO020F6R200GTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 20 F 6U2 2% TU50 e3 Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	37In Stock	17,83 € 12,59 € 12,58 € 11,69 € View 10,62 € 10,37 € 10,28 € 10,23 € Quote	Min.: 1 Mult.: 1	Radial	6.2 Ohms	20 W	2 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 20 F U2 1% TU50 e3 RTO020FR2000FTE3 Vishay / Sfernice 1: 17,83 € 23In Stock	Mfr. Part No. RTO020FR2000FTE3 Mouser Part No 72-RTO020FR2000FTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 20 F U2 1% TU50 e3 Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	23In Stock	17,83 € 12,59 € 12,58 € 11,69 € View 10,62 € 10,37 € 10,28 € 10,23 € Quote	Min.: 1 Mult.: 1	Radial	200 mOhms	20 W	1 %	250 PPM / C
Thick Film Resistors - Through Hole RTO 50 F 15U 1% TU50 e1 RTO050F15R00FTE1 Vishay / Sfernice 1: 20,85 € 10In Stock	Mfr. Part No. RTO050F15R00FTE1 Mouser Part No 72-RTO050F15R00FTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 50 F 15U 1% TU50 e1	Datasheet	10In Stock	20,85 € 14,71 € 13,51 € 12,43 € View 11,80 € 11,70 € 11,64 € Quote	Min.: 1 Mult.: 1	Radial	15 Ohms	50 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 50 F 6U98 1% TU50 e1 RTO050F6R980FTE1 Vishay / Sfernice 1: 22,93 € 44In Stock	Mfr. Part No. RTO050F6R980FTE1 Mouser Part No 72-RTO050F6R980FTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 50 F 6U98 1% TU50 e1	Datasheet	44In Stock	22,93 € 16,19 € 16,18 € 14,85 € View 13,67 € 13,00 € 12,81 € Quote	Min.: 1 Mult.: 1	Radial	6.98 Ohms	50 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole 20W .015ohms 1% RTO020FR0150FTE3 Vishay / Sfernice 1: 20,22 € 98In Stock	Mfr. Part No. RTO020FR0150FTE3 Mouser Part No 72-RTO020FR0150FTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole 20W .015ohms 1% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	98In Stock	20,22 € 17,22 € 16,56 € 14,83 € View 14,21 € 14,04 € 12,87 € Quote	Min.: 1 Mult.: 1	Radial	15 mOhms	20 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole 50W 1.5ohms 1% RTO050F1R500FTE1 Vishay / Sfernice 1: 12,97 € 156In Stock	Mfr. Part No. RTO050F1R500FTE1 Mouser Part No 72-RTO050F1R500FTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole 50W 1.5ohms 1% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	156In Stock	12,97 € 10,81 € 10,80 € 10,66 € View 9,95 € 9,70 €	Min.: 1 Mult.: 1	Radial	1.5 Ohms	50 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 20 F 16U 1% TU50 e3 RTO020F16R00FTE3 Vishay / Sfernice 1: 17,83 € 127In Stock	Mfr. Part No. RTO020F16R00FTE3 Mouser Part No 72-RTO020F16R00FTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 20 F 16U 1% TU50 e3 Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	127In Stock	17,83 € 12,59 € 12,58 € 11,69 € View 10,62 € 10,37 € 10,28 € 10,23 € Quote	Min.: 1 Mult.: 1	Radial	16 Ohms	20 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole 20W 1ohm 1% RTO020F1R000FTE3 Vishay / Sfernice 1: 13,70 € 52In Stock	Mfr. Part No. RTO020F1R000FTE3 Mouser Part No 72-RTO020F1R000FTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole 20W 1ohm 1% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	52In Stock	13,70 € 11,46 € 10,95 € 10,62 € View 10,16 € 9,65 € 9,05 € 8,92 € Quote	Min.: 1 Mult.: 1	Radial	1 Ohms	20 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole 20W 2ohms 1% RTO020F2R000FTE3 Vishay / Sfernice 1: 12,34 € 24In Stock	Mfr. Part No. RTO020F2R000FTE3 Mouser Part No 72-RTO020F2R000FTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole 20W 2ohms 1% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	24In Stock	12,34 € 11,98 € 9,77 € 9,49 € View 9,26 € 9,04 € 8,90 € 8,82 € Quote	Min.: 1 Mult.: 1	Radial	2 Ohms	20 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole 20W 330ohms 1% RTO020F330R0FTE3 Vishay / Sfernice 1: 11,64 € 97In Stock	Mfr. Part No. RTO020F330R0FTE3 Mouser Part No 72-RTO020F330R0FTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole 20W 330ohms 1% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	97In Stock	11,64 € 9,62 € 9,61 € 9,41 € View 8,45 € 8,32 € 8,28 €	Min.: 1 Mult.: 1	Radial	330 Ohms	20 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole 50W 20Kohms 1% RTO050F20001FTE1 Vishay / Sfernice 1: 13,30 € 13In Stock	Mfr. Part No. RTO050F20001FTE1 Mouser Part No 72-RTO050F20001FTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole 50W 20Kohms 1% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	13In Stock	13,30 € 11,11 € 11,10 € 10,78 € View 9,84 € 9,70 €	Min.: 1 Mult.: 1	Radial	20 kOhms	50 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole 50W 470ohms 5% RTO050F470R0JTE1 Vishay / Sfernice 1: 10,39 € 100In Stock 100Expected 12/22/2026	Mfr. Part No. RTO050F470R0JTE1 Mouser Part No 72-RTO050F470R0JTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole 50W 470ohms 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	100In Stock 100Expected 12/22/2026	10,39 € 8,51 € 8,08 € 7,83 € View 7,63 € 7,42 € 6,85 € 6,46 €	Min.: 1 Mult.: 1	Radial	470 Ohms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 50W 8ohms 1% RTO050F8R000FTE1 Vishay / Sfernice 1: 14,95 € 42In Stock	Mfr. Part No. RTO050F8R000FTE1 Mouser Part No 72-RTO050F8R000FTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole 50W 8ohms 1% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	42In Stock	14,95 € 12,58 € 12,04 € 12,03 € View 11,93 € 11,21 € 11,06 € Quote	Min.: 1 Mult.: 1	Radial	8 Ohms	50 W	1 %	150 PPM / C

RTO20 & RTO50 Power Resistors

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4.32 mOhms
10 mOhms
15 mOhms
20 mOhms
25 mOhms
33 mOhms
40 mOhms
46 mOhms
50 mOhms
62 mOhms
68 mOhms
91 mOhms
95 mOhms
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RTO20 & RTO50 Power Resistors

Types of Resistors

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