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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
Thick Film Resistors - Through Hole 50W 47ohm 5% RTO050F47R00JTE1 Vishay / Sfernice 1: $16.03 569In Stock 800Expected 22/12/2026	Mfr. Part No. RTO050F47R00JTE1 Mouser Part No 72-RTO050F47R00JTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole 50W 47ohm 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	569In Stock 800Expected 22/12/2026	$16.03 $12.73 $12.44 $12.31 View $12.00 $11.67 $10.81 $9.74 Quote	Min.: 1 Mult.: 1	Radial	47 Ohms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 50W 4.7ohm 5% RTO050F4R700JTE1 Vishay / Sfernice 1: $13.12 712In Stock	Mfr. Part No. RTO050F4R700JTE1 Mouser Part No 72-RTO050F4R700JTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole 50W 4.7ohm 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	712In Stock	$13.12 $10.57 $10.55 $10.46 View $10.21 $9.29 $8.79	Min.: 1 Mult.: 1	Radial	4.7 Ohms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 20watts 1Kohms 5% RTO020F10000JTE3 Vishay / Sfernice 1: $13.52 287In Stock 50On Order	Mfr. Part No. RTO020F10000JTE3 Mouser Part No 72-RTO20F-1K-5	Vishay / Sfernice	Thick Film Resistors - Through Hole 20watts 1Kohms 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	287In Stock 50On Order	$13.52 $10.91 $10.89 $9.22 $9.10	Min.: 1 Mult.: 1	Radial	1 kOhms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 20watts 47ohms 5% RTO020F47R00JTE3 Vishay / Sfernice 1: $10.99 376In Stock	Mfr. Part No. RTO020F47R00JTE3 Mouser Part No 72-RTO20F-47-5	Vishay / Sfernice	Thick Film Resistors - Through Hole 20watts 47ohms 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	376In Stock	$10.99 $10.20 $9.06 $8.74 View $8.17 $7.75 Quote	Min.: 1 Mult.: 1	Radial	47 Ohms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 20W 12ohm 5% RTO020F12R00JTE3 Vishay / Sfernice 1: $14.66 99In Stock 200Expected 31/12/2026	Mfr. Part No. RTO020F12R00JTE3 Mouser Part No 72-RTO020F12R00JTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole 20W 12ohm 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	99In Stock 200Expected 31/12/2026	$14.66 $11.85 $11.21 $10.83 View $10.53 $10.09 $9.26 $8.64 Quote	Min.: 1 Mult.: 1	Radial	12 Ohms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 20W 15ohm 5% RTO020F15R00JTE3 Vishay / Sfernice 1: $13.86 74In Stock	Mfr. Part No. RTO020F15R00JTE3 Mouser Part No 72-RTO020F15R00JTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole 20W 15ohm 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	74In Stock	$13.86 $11.21 $10.59 $10.58 View $9.94 $9.66 $9.49 $9.36	Min.: 1 Mult.: 1	Radial	15 Ohms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 20W 2.7Kohm 5% RTO020F27000JTE3 Vishay / Sfernice 1: $15.40 75In Stock	Mfr. Part No. RTO020F27000JTE3 Mouser Part No 72-RTO020F27000JTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole 20W 2.7Kohm 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	75In Stock	$15.40 $12.55 $11.90 $11.51 View $11.19 $10.32 $10.15 $9.98 Quote	Min.: 1 Mult.: 1	Radial	2.7 kOhms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 470 OHM 5% 150PPM 20W RTO020F470R0JTE3 Vishay / Sfernice 1: $13.82 1In Stock	Mfr. Part No. RTO020F470R0JTE3 Mouser Part No 72-RTO020F470R0JTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole 470 OHM 5% 150PPM 20W Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	1In Stock	$13.82 $11.25 $11.03 $10.57 View $9.60 $9.00 $8.92 $7.75 Quote	Min.: 1 Mult.: 1	Radial	470 Ohms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 20 F 4U7 1% TU50 e3 RTO020F4R700FTE3 Vishay / Sfernice 1: $28.19 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	$28.19 $19.91 $19.90 $18.48 View $16.80 $15.94 $15.71 Quote	Min.: 1 Mult.: 1	Radial	4.7 Ohms	20 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole 20W 56ohm 5% RTO020F56R00JTE3 Vishay / Sfernice 1: $13.38 78In Stock	Mfr. Part No. RTO020F56R00JTE3 Mouser Part No 72-RTO020F56R00JTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole 20W 56ohm 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	78In Stock	$13.38 $10.80 $10.78 $9.86 View $9.29 $9.13 $8.72 Quote	Min.: 1 Mult.: 1	Radial	56 Ohms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 20W 82ohm 5% RTO020F82R00JTE3 Vishay / Sfernice 1: $13.86 85In Stock	Mfr. Part No. RTO020F82R00JTE3 Mouser Part No 72-RTO020F82R00JTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole 20W 82ohm 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	85In Stock	$13.86 $11.21 $10.59 $10.58 View $9.94 $9.66 $9.26 $9.08 Quote	Min.: 1 Mult.: 1	Radial	82 Ohms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 20W .1ohms 1% RTO020FR1000FTE3 Vishay / Sfernice 1: $21.52 2In Stock 100Expected 19/1/2027	Mfr. Part No. RTO020FR1000FTE3 Mouser Part No 72-RTO020FR1000FTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole 20W .1ohms 1% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	2In Stock 100Expected 19/1/2027	$21.52 $17.99 $17.98 $17.39 View $15.94 $15.72	Min.: 1 Mult.: 1	Radial	100 mOhms	20 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 50 F 1U 1% TU50 e1 RTO050F1R000FTE1 Vishay / Sfernice 1: $32.97 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	$32.97 $23.28 $23.26 $20.92 View $19.65 $18.46 $18.16 Quote	Min.: 1 Mult.: 1	Radial	1 Ohms	50 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 50 F 2U 5% TU50 e1 RTO050F2R000JTE1 Vishay / Sfernice 1: $21.11 39In Stock 100Expected 10/11/2026	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 10/11/2026	$21.11 $16.28 $16.27 $13.36 View $13.02 $11.90 $11.64 $11.36 Quote	Min.: 1 Mult.: 1	Radial	2 Ohms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 50W 2.2ohm 5% RTO050F2R200JTE1 Vishay / Sfernice 1: $14.42 85In Stock	Mfr. Part No. RTO050F2R200JTE1 Mouser Part No 72-RTO050F2R200JTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole 50W 2.2ohm 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	85In Stock	$14.42 $14.21 $13.93 $12.36 View $11.94 $11.55 $9.85 $9.71	Min.: 1 Mult.: 1	Radial	2.2 Ohms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 50W 330ohm 5% RTO050F330R0JTE1 Vishay / Sfernice 1: $14.86 5In Stock 200On Order	Mfr. Part No. RTO050F330R0JTE1 Mouser Part No 72-RTO050F330R0JTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole 50W 330ohm 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	5In Stock 200On Order On Order Ship Dates Mfr. No: RTO050F330R0JTE1 Stock: 5 Can Dispatch Immediately On Order: 100 Expected 5/11/2026 100 Expected 10/11/2026 Factory Lead Time: 12 Weeks	$14.86 $14.39 $14.10 $12.40 View $12.10 $10.39 $10.20 $10.06	Min.: 1 Mult.: 1	Radial	330 Ohms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 50W 3.9ohm 5% RTO050F3R900JTE1 Vishay / Sfernice 1: $13.87 87In Stock	Mfr. Part No. RTO050F3R900JTE1 Mouser Part No 72-RTO050F3R900JTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole 50W 3.9ohm 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	87In Stock	$13.87 $13.75 $12.36 $11.78 View $10.49 $9.51 $9.37	Min.: 1 Mult.: 1	Radial	3.9 Ohms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 50W 4.7Kohm 5% RTO050F47000JTE1 Vishay / Sfernice 1: $16.76 3In Stock	Mfr. Part No. RTO050F47000JTE1 Mouser Part No 72-RTO050F47000JTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole 50W 4.7Kohm 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	3In Stock	$16.76 $13.70 $12.99 $12.57 View $12.24 $11.90 $11.66 $11.44 Quote	Min.: 1 Mult.: 1	Radial	4.7 kOhms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 5 OHM 5% 150PPM 50W RTO050F5R000JTE1 Vishay / Sfernice 1: $18.16 2In Stock	Mfr. Part No. RTO050F5R000JTE1 Mouser Part No 72-RTO050F5R000JTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole 5 OHM 5% 150PPM 50W Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	2In Stock	$18.16 $14.93 $14.18 $13.75 View $13.40 $13.06 $12.85 $12.69 Quote	Min.: 1 Mult.: 1	Radial	5 Ohms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 50W 680ohm 5% RTO050F680R0JTE1 Vishay / Sfernice 1: $13.70 1In Stock	Mfr. Part No. RTO050F680R0JTE1 Mouser Part No 72-RTO050F680R0JTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole 50W 680ohm 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	1In Stock	$13.70 $13.65 $12.36 $11.23 View $10.50 $10.21 $9.14	Min.: 1 Mult.: 1	Radial	680 Ohms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 50 F 6U8 1% TU50 e1 RTO050F6R800FTE1 Vishay / Sfernice 1: $22.33 50In Stock	Mfr. Part No. RTO050F6R800FTE1 Mouser Part No 72-RTO050F6R800FTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 50 F 6U8 1% TU50 e1	Datasheet	50In Stock	$22.33 $18.73 $18.71 $17.01 View $16.63 $16.40	Min.: 1 Mult.: 1	Radial	6.8 Ohms	50 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 50 F U2 5% TU50 e1 RTO050FR2000JTE1 Vishay / Sfernice 1: $15.80 24In Stock	Mfr. Part No. RTO050FR2000JTE1 Mouser Part No 72-RTO050FR2000JTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 50 F U2 5% TU50 e1 Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	24In Stock	$15.80 $12.92 $12.39 $11.55 View $11.23 $11.06 $10.91	Min.: 1 Mult.: 1	Radial	200 mOhms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 20watts 1ohm 5% RTO020F1R000JTE3 Vishay / Sfernice 1: $15.30 7In Stock	Mfr. Part No. RTO020F1R000JTE3 Mouser Part No 72-RTO20F-1-5	Vishay / Sfernice	Thick Film Resistors - Through Hole 20watts 1ohm 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	7In Stock	$15.30 $12.42 $11.75 $11.36 View $11.04 $10.68 $10.55 $10.36 Quote	Min.: 1 Mult.: 1	Radial	1 Ohms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 20watts 10ohms 5% RTO020F10R00JTE3 Vishay / Sfernice 1: $12.27 36In Stock	Mfr. Part No. RTO020F10R00JTE3 Mouser Part No 72-RTO20F-10-5	Vishay / Sfernice	Thick Film Resistors - Through Hole 20watts 10ohms 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	36In Stock	$12.27 $12.09 $11.85 $10.57 View $10.13 $8.83 $8.24 $8.12	Min.: 1 Mult.: 1	Radial	10 Ohms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 20watts 100ohms 5% RTO020F100R0JTE3 Vishay / Sfernice 1: $13.86 17In Stock 400Expected 27/10/2026	Mfr. Part No. RTO020F100R0JTE3 Mouser Part No 72-RTO20F-100-5	Vishay / Sfernice	Thick Film Resistors - Through Hole 20watts 100ohms 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	17In Stock 400Expected 27/10/2026	$13.86 $11.21 $10.59 $10.58 View $9.94 $9.66 $9.49 $9.36	Min.: 1 Mult.: 1	Radial	100 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
100 mOhms
120 mOhms
150 mOhms
180 mOhms
200 mOhms
220 mOhms
270 mOhms

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RTO20 & RTO50 Power Resistors

Types of Resistors

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