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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 20 F 820U 10% TU50 e3 RTO020F820R0KTE3 Vishay / Sfernice 1: €12.75 39In Stock	Mfr. Part No. RTO020F820R0KTE3 Mouser Part No 72-RTO020F820R0KTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 20 F 820U 10% TU50 e3 Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	39In Stock	€12.75 €8.80 €8.79 €7.79 View €7.10 €6.97 €6.94 €6.85 Quote	Min.: 1 Mult.: 1	Radial	820 Ohms	20 W	10 %	150 PPM / C
Thick Film Resistors - SMD RTO 50 C 30U 5% TU50 e1 Vishay / Sfernice RTO050C30R00JTE1 RTO050C30R00JTE1 Vishay / Sfernice 1: €15.67 32In Stock	Mfr. Part No. RTO050C30R00JTE1 Mouser Part No 72-RTO050C30R00JTE1	Vishay / Sfernice	Thick Film Resistors - SMD RTO 50 C 30U 5% TU50 e1	Datasheet	32In Stock	€15.67 €10.81 €10.80 €9.57 View €8.69 €8.39 €8.31 €8.18 Quote	Min.: 1 Mult.: 1	SMD/SMT	30 Ohms	50 W	5 %	150 PPM / C	TO-220-2 Flat Lead	TO-220-2 Flat Lead
Thick Film Resistors - SMD RTO 50 C 47U 5% TU50 e1 Vishay / Sfernice RTO050C47R00JTE1 RTO050C47R00JTE1 Vishay / Sfernice 1: €15.67 20In Stock	Mfr. Part No. RTO050C47R00JTE1 Mouser Part No 72-RTO050C47R00JTE1	Vishay / Sfernice	Thick Film Resistors - SMD RTO 50 C 47U 5% TU50 e1	Datasheet	20In Stock	€15.67 €10.81 €10.80 €9.57 View €8.69 €8.33 €8.28 €8.14 Quote	Min.: 1 Mult.: 1	SMD/SMT	47 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 50U 1% TU50 e1 RTO050F50R00FTE1 Vishay / Sfernice 1: €22.93 26In Stock	Mfr. Part No. RTO050F50R00FTE1 Mouser Part No 72-RTO050F50R00FTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 50 F 50U 1% TU50 e1	Datasheet	26In Stock	€22.93 €16.19 €16.18 €15.03 View €13.67 €12.91 €12.81 Quote	Min.: 1 Mult.: 1	Radial	50 Ohms	50 W	1 %	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 €8.80 €8.79 €7.79 View €7.08 €6.78 €6.75 €6.64 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: €15.30 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	€15.30 €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 €13.59 €12.43 View €11.72 €11.62 €11.57 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 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 €9.93 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 31/12/2026	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 31/12/2026	€20.85 €14.71 €13.30 €12.43 View €11.58 €11.44 €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 €7.83 Quote	Min.: 1 Mult.: 1	Radial	47 kOhms	50 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 - 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 €9.89 €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 €10.27 €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 €11.99 €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 €9.39 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
Thick Film Resistors - Through Hole 50W .5ohms 1% RTO050FR5000FTE1 Vishay / Sfernice 1: €14.90 68In Stock	Mfr. Part No. RTO050FR5000FTE1 Mouser Part No 72-RTO050FR5000FTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole 50W .5ohms 1% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	68In Stock	€14.90 €12.54 €12.00 €11.79 View €11.73 €11.10 €10.67	Min.: 1 Mult.: 1	Radial	500 mOhms	50 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole 20W 200ohms 5% RTO020F200R0JTE3 Vishay / Sfernice 1: €8.34 57In Stock	Mfr. Part No. RTO020F200R0JTE3 Mouser Part No 72-RTO20F-200-5	Vishay / Sfernice	Thick Film Resistors - Through Hole 20W 200ohms 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	57In Stock	€8.34 €6.72 €6.71 €6.24 €6.08	Min.: 1 Mult.: 1	Radial	200 Ohms	20 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
95 mOhms
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220 mOhms
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RTO20 & RTO50 Power Resistors

Types of Resistors

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