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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 (SGD) 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 47U 10% TU50 e3 RTO020F47R00KTE3 Vishay / Sfernice 1: $20.16 23In Stock	Mfr. Part No. RTO020F47R00KTE3 Mouser Part No 72-RTO020F47R00KTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 20 F 47U 10% TU50 e3 Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	23In Stock	$20.16 $13.91 $13.90 $12.32 View $11.19 $10.96 $10.93 $10.78 Quote	Min.: 1 Mult.: 1	Radial	47 Ohms	20 W	10 %	150 PPM / C
Thick Film Resistors - SMD RTO 50 C 10U 1% TU50 e1 Vishay / Sfernice RTO050C10R00FTE1 RTO050C10R00FTE1 Vishay / Sfernice 1: $34.63 3In Stock	Mfr. Part No. RTO050C10R00FTE1 Mouser Part No 72-RTO050C10R00FTE1	Vishay / Sfernice	Thick Film Resistors - SMD RTO 50 C 10U 1% TU50 e1	Datasheet	3In Stock	$34.63 $24.45 $24.43 $22.70 View $20.63 $19.48 $19.22 Quote	Min.: 1 Mult.: 1	SMD/SMT	10 Ohms	50 W	1 %	150 PPM / C	TO-220-2 Flat Lead	TO-220-2 Flat Lead
Thick Film Resistors - Through Hole RTO 50 F 4K3 5% TU50 e1 RTO050F43000JTE1 Vishay / Sfernice 1: $23.58 38In Stock	Mfr. Part No. RTO050F43000JTE1 Mouser Part No 72-RTO050F43000JTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 50 F 4K3 5% TU50 e1	Datasheet	38In Stock	$23.58 $16.28 $16.27 $14.42 View $13.10 $12.54 $12.46 $12.29 Quote	Min.: 1 Mult.: 1	Radial	4.3 kOhms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 50 F 47K 1% TU50 e1 RTO050F47001FTE1 Vishay / Sfernice 1: $32.97 45In Stock	Mfr. Part No. RTO050F47001FTE1 Mouser Part No 72-RTO050F47001FTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 50 F 47K 1% TU50 e1	Datasheet	45In Stock	$32.97 $23.28 $23.26 $21.49 View $19.65 $18.51 $18.33 Quote	Min.: 1 Mult.: 1	Radial	47 kOhms	50 W	1 %	150 PPM / C
Thick Film Resistors - SMD RTO 20 C 10U 5% TU50 e3 Vishay / Sfernice RTO020C10R00JTE3 RTO020C10R00JTE3 Vishay / Sfernice 1: $21.18 46In Stock	Mfr. Part No. RTO020C10R00JTE3 Mouser Part No 72-RTO020C10R00JTE3	Vishay / Sfernice	Thick Film Resistors - SMD RTO 20 C 10U 5% TU50 e3 Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	46In Stock	$21.18 $14.62 $14.61 $12.95 View $11.76 $11.34 $11.22 $11.03 Quote	Min.: 1 Mult.: 1	SMD/SMT	10 Ohms	20 W	5 %	150 PPM / C	TO-220-2 Flat Lead	TO-220-2 Flat Lead
Thick Film Resistors - SMD RTO 50 C 220U 5% TU50 e1 Vishay / Sfernice RTO050C220R0JTE1 RTO050C220R0JTE1 Vishay / Sfernice 1: $24.78 34In Stock	Mfr. Part No. RTO050C220R0JTE1 Mouser Part No 72-RTO050C220R0JTE1	Vishay / Sfernice	Thick Film Resistors - SMD RTO 50 C 220U 5% TU50 e1	Datasheet	34In Stock	$24.78 $17.10 $17.08 $15.14 View $13.75 $13.18 $13.12 $12.96 Quote	Min.: 1 Mult.: 1	SMD/SMT	220 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 2K7 5% TU50 e1 RTO050F27000JTE1 Vishay / Sfernice 1: $25.49 50In Stock	Mfr. Part No. RTO050F27000JTE1 Mouser Part No 72-RTO050F27000JTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 50 F 2K7 5% TU50 e1	Datasheet	50In Stock	$25.49 $18.02 $14.42 $13.31 View $13.03 $12.99 $12.82 Quote	Min.: 1 Mult.: 1	Radial	2.7 kOhms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 50 F 3U 1% TU50 e1 RTO050F3R000FTE1 Vishay / Sfernice 1: $32.97 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	$32.97 $23.28 $23.26 $21.50 View $19.65 $18.65 $18.33 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: $36.26 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	$36.26 $25.60 $25.58 $22.93 View $21.58 $19.65 $18.51 Quote	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: $23.58 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	$23.58 $16.28 $16.27 $14.42 View $13.10 $12.39 $12.35 $12.16 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: $26.62 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	$26.62 $18.37 $18.36 $16.27 View $14.78 $14.24 $14.20 $14.01 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: $9.74 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	$9.74 $7.59 $7.58 $6.11	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: $31.97 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	$31.97 $27.23 $26.19 $23.45 View $22.47 $22.20 $20.35 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: $20.51 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	$20.51 $17.10 $17.08 $16.86 View $15.64 $14.89	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: $28.19 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	$28.19 $19.91 $19.90 $18.48 View $16.80 $16.40 $16.25 $16.18 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: $21.66 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	$21.66 $18.13 $17.31 $16.80 View $16.24 $15.26 $14.31 $14.10 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: $19.52 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	$19.52 $18.96 $15.45 $15.00 View $14.65 $14.29 $14.08 $13.94 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: $18.40 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	$18.40 $15.22 $15.20 $14.85 View $13.37 $13.16 $13.02	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: $21.04 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	$21.04 $17.57 $17.56 $17.05 View $15.56 $15.34	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: $23.64 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	$23.64 $19.90 $19.04 $19.03 View $18.86 $17.72 $17.49 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: $14.92 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	$14.92 $12.13 $11.49 $11.48 View $10.51 $10.34 $10.20	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: $23.56 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	$23.56 $19.83 $18.97 $18.65 View $18.55 $17.56 $16.48 $15.54 Quote	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: $13.19 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	$13.19 $10.62 $10.61 $9.86 View $9.13 $8.96 $8.76 Quote	Min.: 1 Mult.: 1	Radial	200 Ohms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 50W 12ohm 5% RTO050F12R00JTE1 Vishay / Sfernice 1: $15.11 898In Stock 1,250On Order	Mfr. Part No. RTO050F12R00JTE1 Mouser Part No 72-RTO050F12R00JTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole 50W 12ohm 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	898In Stock 1,250On Order On Order Ship Dates Mfr. No: RTO050F12R00JTE1 Stock: 898 Can Dispatch Immediately On Order: 250 Pending 1,000 Expected 12/11/2026 Factory Lead Time: 12 Weeks	$15.11 $12.25 $11.59 $10.83 View $10.58 $9.48 Quote	Min.: 1 Mult.: 1	Radial	12 Ohms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 50W 22ohm 5% RTO050F22R00JTE1 Vishay / Sfernice 1: $16.65 762In Stock	Mfr. Part No. RTO050F22R00JTE1 Mouser Part No 72-RTO050F22R00JTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole 50W 22ohm 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	762In Stock	$16.65 $12.84 $12.54 $10.99 View $9.85 $9.36 Quote	Min.: 1 Mult.: 1	Radial	22 Ohms	50 W	5 %	150 PPM / C

RTO20 & RTO50 Power Resistors

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4.32 mOhms
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25 mOhms
33 mOhms
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50 mOhms
62 mOhms
68 mOhms
91 mOhms
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RTO20 & RTO50 Power Resistors

Types of Resistors

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