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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 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 4U7 1% TU50 e3 RTO020F4R700FTE3 Vishay / Sfernice 1: 17,83 € 50In Stock	Mfr. Part No. RTO020F4R700FTE3 Mouser Part No 72-RTO020F4R700FTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 20 F 4U7 1% TU50 e3 Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	50In Stock	17,83 € 12,59 € 12,58 € 11,69 € View 10,62 € 10,08 € 9,94 € 9,93 € Quote	Min.: 1 Mult.: 1	Radial	4.7 Ohms	20 W	1 %	150 PPM / C
Thick Film Resistors - SMD RTO 50 C 100U 5% TU50 e1 Vishay / Sfernice RTO050C100R0JTE1 RTO050C100R0JTE1 Vishay / Sfernice 1: 15,67 € 47In Stock	Mfr. Part No. RTO050C100R0JTE1 Mouser Part No 72-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 € View 8,69 € 8,31 € 8,27 € 8,14 € Quote	Min.: 1 Mult.: 1	SMD/SMT	100 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 16U 1% TU50 e1 RTO050F16R00FTE1 Vishay / Sfernice 1: 20,85 € 17In Stock 50Expected 12/31/2026	Mfr. Part No. RTO050F16R00FTE1 Mouser Part No 72-RTO050F16R00FTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 50 F 16U 1% TU50 e1	Datasheet	17In Stock 50Expected 12/31/2026	20,85 € 14,71 € 13,23 € 12,43 € View 11,61 € 11,42 € 11,33 € Quote	Min.: 1 Mult.: 1	Radial	16 Ohms	50 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 50 F 47K 5% TU50 e1 RTO050F47001JTE1 Vishay / Sfernice 1: 14,91 € 45In Stock	Mfr. Part No. RTO050F47001JTE1 Mouser Part No 72-RTO050F47001JTE1	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 € View 7,96 € 7,94 € 7,81 € Quote	Min.: 1 Mult.: 1	Radial	47 kOhms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 20 F 180U 10% TU50 e3 RTO020F180R0KTE3 Vishay / Sfernice 1: 12,75 € 41In Stock	Mfr. Part No. RTO020F180R0KTE3 Mouser Part No 72-RTO020F180R0KTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 20 F 180U 10% TU50 e3 Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	41In Stock	12,75 € 8,79 € 7,79 € 7,08 € View 6,79 € 6,73 € 6,62 € Quote	Min.: 1 Mult.: 1	Radial	180 Ohms	20 W	10 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 20 F U068 5% TU50 e3 RTO020FR0680JTE3 Vishay / Sfernice 1: 15,29 € 47In Stock	Mfr. Part No. RTO020FR0680JTE3 Mouser Part No 72-RTO020FR0680JTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 20 F U068 5% TU50 e3 Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	47In Stock	15,29 € 10,55 € 10,54 € 9,14 € View 8,50 € 7,91 € 7,80 € 7,65 € Quote	Min.: 1 Mult.: 1	Radial	680 mOhms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 20 F U12 1% TU50 e3 RTO020FR1200FTE3 Vishay / Sfernice 1: 17,83 € 35In Stock	Mfr. Part No. RTO020FR1200FTE3 Mouser Part No 72-RTO020FR1200FTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 20 F U12 1% TU50 e3 Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	35In Stock	17,83 € 12,69 € 10,80 € 10,54 € View 10,42 € 10,37 € Quote	Min.: 1 Mult.: 1	Radial	120 mOhms	20 W	1 %
Thick Film Resistors - Through Hole RTO 50 F 150U 1% TU50 e1 RTO050F150R0FTE1 Vishay / Sfernice 1: 20,85 € 17In Stock	Mfr. Part No. RTO050F150R0FTE1 Mouser Part No 72-RTO050F150R0FTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 50 F 150U 1% TU50 e1	Datasheet	17In Stock	20,85 € 14,71 € 13,51 € 12,43 € View 11,77 € 11,60 € 11,54 € Quote	Min.: 1 Mult.: 1	Radial	150 Ohms	50 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 50 F 1U 1% TU50 e1 RTO050F1R000FTE1 Vishay / Sfernice 1: 20,85 € 40In Stock	Mfr. Part No. RTO050F1R000FTE1 Mouser Part No 72-RTO050F1R000FTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 50 F 1U 1% TU50 e1	Datasheet	40In Stock	20,85 € 14,72 € 14,71 € 13,23 € View 12,43 € 11,67 € 11,48 € 11,39 € Quote	Min.: 1 Mult.: 1	Radial	1 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 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
Thick Film Resistors - Through Hole 50W .15ohms 5% RTO050FR1500JTE1 Vishay / Sfernice 1: 9,43 € 68In Stock	Mfr. Part No. RTO050FR1500JTE1 Mouser Part No 72-RTO050FR1500JTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole 50W .15ohms 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	68In Stock	9,43 € 7,67 € 7,27 € 7,26 € View 6,65 € 6,54 € 6,46 €	Min.: 1 Mult.: 1	Radial	150 mOhms	50 W	5 %	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
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RTO20 & RTO50 Power Resistors

Types of Resistors

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