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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 (PLN) 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 0.1ohms 5% RTO020FR1000JTE3 Vishay / Sfernice 1: 33,53 zł 219In Stock	Mfr. Part No. RTO020FR1000JTE3 Mouser Part No 72-RTO20F-R1-5	Vishay / Sfernice	Thick Film Resistors - Through Hole 20watts 0.1ohms 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	219In Stock	33,53 zł 33,22 zł 32,56 zł 29,13 zł View 26,75 zł 26,49 zł	Min.: 1 Mult.: 1	Radial	100 mOhms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 50W 10ohms 1% RTO050F10R00FTE1 Vishay / Sfernice 1: 83,38 zł 100In Stock	Mfr. Part No. RTO050F10R00FTE1 Mouser Part No 72-RTO050F10R00FTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole 50W 10ohms 1% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	100In Stock	83,38 zł 58,87 zł 58,83 zł 54,69 zł View 49,54 zł 46,02 zł 45,76 zł Quote	Min.: 1 Mult.: 1	Radial	10 Ohms	50 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole 50W 30ohms 5% RTO050F30R00JTE1 Vishay / Sfernice 1: 59,62 zł 38In Stock 100Expected 12/22/2026	Mfr. Part No. RTO050F30R00JTE1 Mouser Part No 72-RTO050F30R00JTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole 50W 30ohms 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	38In Stock 100Expected 12/22/2026	59,62 zł 41,18 zł 41,14 zł 36,43 zł View 33,70 zł 32,65 zł 32,25 zł Quote	Min.: 1 Mult.: 1	Radial	30 Ohms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 20 F 16U 1% TU50 e3 RTO020F16R00FTE3 Vishay / Sfernice 1: 78,45 zł 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	78,45 zł 55,40 zł 55,35 zł 51,44 zł View 46,73 zł 45,01 zł 44,53 zł 44,48 zł Quote	Min.: 1 Mult.: 1	Radial	16 Ohms	20 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole 50watts 10Kohms 5% RTO050F10001JTE1 Vishay / Sfernice 1: 43,74 zł 88In Stock	Mfr. Part No. RTO050F10001JTE1 Mouser Part No 72-RTO50F-10K-5	Vishay / Sfernice	Thick Film Resistors - Through Hole 50watts 10Kohms 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	88In Stock	43,74 zł 35,73 zł 33,92 zł 32,03 zł 31,28 zł	Min.: 1 Mult.: 1	Radial	10 kOhms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 20watts 4.7ohms 5% RTO020F4R700JTE3 Vishay / Sfernice 1: 27,10 zł 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	27,10 zł 22,13 zł	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 RTO050C2R000FTE1 Vishay / Sfernice 1: 96,36 zł 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	96,36 zł 67,98 zł 63,14 zł 57,42 zł View 54,52 zł 53,99 zł 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 RTO050C2R400JTE1 Vishay / Sfernice 1: 68,95 zł 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	68,95 zł 47,56 zł 47,52 zł 41,98 zł View 38,24 zł 36,96 zł 36,65 zł 35,99 zł 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: 91,74 zł 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	91,74 zł 64,72 zł 59,05 zł 54,69 zł View 51,13 zł 50,64 zł 50,42 zł 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: 91,74 zł 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	91,74 zł 64,72 zł 59,05 zł 54,69 zł View 50,82 zł 50,25 zł 50,03 zł 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: 91,74 zł 40In 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	40In Stock	91,74 zł 64,72 zł 58,65 zł 54,69 zł View 50,95 zł 50,34 zł 50,03 zł 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: 78,45 zł 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	78,45 zł 55,40 zł 55,35 zł 51,44 zł View 46,73 zł 43,82 zł 43,38 zł 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: 78,45 zł 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	78,45 zł 55,40 zł 55,35 zł 51,44 zł View 46,73 zł 46,07 zł 45,72 zł 45,41 zł 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: 78,45 zł 33In 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	33In Stock	78,45 zł 55,40 zł 55,35 zł 51,44 zł View 46,73 zł 45,01 zł 44,53 zł 44,48 zł 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: 91,74 zł 20In 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	20In Stock	91,74 zł 64,77 zł 64,72 zł 59,05 zł View 54,69 zł 52,45 zł 51,79 zł 51,52 zł 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: 100,89 zł 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	100,89 zł 71,24 zł 71,19 zł 64,28 zł View 60,15 zł 55,75 zł 55,18 zł Quote	Min.: 1 Mult.: 1	Radial	6.98 Ohms	50 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 20 F 180U 10% TU50 e3 RTO020F180R0KTE3 Vishay / Sfernice 1: 56,10 zł 46In 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	46In Stock	56,10 zł 38,72 zł 38,68 zł 34,28 zł View 31,15 zł 29,48 zł 29,30 zł 28,91 zł 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: 67,32 zł 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	67,32 zł 46,42 zł 46,38 zł 39,42 zł View 37,40 zł 33,97 zł 33,57 zł 33,04 zł 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: 78,45 zł 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	78,45 zł 55,40 zł 55,35 zł 51,44 zł View 47,08 zł 46,60 zł 46,33 zł	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: 91,74 zł 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	91,74 zł 64,72 zł 59,05 zł 54,69 zł View 50,73 zł 50,25 zł 49,98 zł Quote	Min.: 1 Mult.: 1	Radial	150 Ohms	50 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 50 F 47U 1% TU50 e1 RTO050F47R00FTE1 Vishay / Sfernice 1: 91,74 zł 29In Stock	Mfr. Part No. RTO050F47R00FTE1 Mouser Part No 72-RTO050F47R00FTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 50 F 47U 1% TU50 e1	Datasheet	29In Stock	91,74 zł 64,72 zł 59,05 zł 54,69 zł View 50,69 zł 50,12 zł 49,85 zł Quote	Min.: 1 Mult.: 1	Radial	47 Ohms	50 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 20 F U033 1% TU50 e3 RTO020FR0330FTE3 Vishay / Sfernice 1: 118,54 zł 44In Stock	Mfr. Part No. RTO020FR0330FTE3 Mouser Part No 72-RTO020FR0330FTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 20 F U033 1% TU50 e3 Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	44In Stock	118,54 zł 83,69 zł 83,64 zł 73,22 zł View 69,87 zł 65,56 zł 64,90 zł Quote	Min.: 1 Mult.: 1	Radial	33 mOhms	20 W	1 %	700 PPM / C
Thick Film Resistors - SMD RTO 50 C 100U 5% TU50 e1 RTO050C100R0JTE1 Vishay / Sfernice 1: 68,95 zł 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	68,95 zł 47,56 zł 47,52 zł 42,11 zł View 38,24 zł 35,95 zł 35,77 zł 35,24 zł 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: 91,74 zł 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	91,74 zł 64,77 zł 64,72 zł 57,42 zł View 54,69 zł 50,60 zł 49,76 zł 49,37 zł 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: 65,60 zł 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	65,60 zł 45,28 zł 40,13 zł 36,43 zł View 35,33 zł 35,02 zł 34,45 zł Quote	Min.: 1 Mult.: 1	Radial	47 kOhms	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
95 mOhms
100 mOhms
120 mOhms
150 mOhms
180 mOhms
200 mOhms
220 mOhms
270 mOhms