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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 20watts 10Kohms 5% RTO020F10001JTE3 Vishay / Sfernice 1: $13.40 138In Stock	Mfr. Part No. RTO020F10001JTE3 Mouser Part No 72-RTO20F-10K-5	Vishay / Sfernice	Thick Film Resistors - Through Hole 20watts 10Kohms 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	138In Stock	$13.40 $10.80 $10.20 $10.19 View $9.29 $9.13 $9.00	Min.: 1 Mult.: 1	Radial	10 kOhms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 20watts 22ohms 5% NON-STANDARD RTO020F22R00JTE3 Vishay / Sfernice 1: $11.37 142In Stock	Mfr. Part No. RTO020F22R00JTE3 Mouser Part No 72-RTO20F-22-5	Vishay / Sfernice	Thick Film Resistors - Through Hole 20watts 22ohms 5% NON-STANDARD Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	142In Stock	$11.37 $10.57 $9.60 $9.44 View $9.26 $7.36 Quote	Min.: 1 Mult.: 1	Radial	22 Ohms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 20watts 3.9ohms 5% NON-STANDARD RTO020F3R900JTE3 Vishay / Sfernice 1: $13.56 25In Stock	Mfr. Part No. RTO020F3R900JTE3 Mouser Part No 72-RTO20F-3.9-5	Vishay / Sfernice	Thick Film Resistors - Through Hole 20watts 3.9ohms 5% NON-STANDARD Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	25In Stock	$13.56 $10.89 $10.57 $9.63 View $9.34 $9.17 $8.62 Quote	Min.: 1 Mult.: 1	Radial	3.9 Ohms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 20watts 330ohms 5% NON-STANDARD RTO020F330R0JTE3 Vishay / Sfernice 1: $13.08 29In Stock 250Expected 7/1/2027	Mfr. Part No. RTO020F330R0JTE3 Mouser Part No 72-RTO20F-330-5	Vishay / Sfernice	Thick Film Resistors - Through Hole 20watts 330ohms 5% NON-STANDARD Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	29In Stock 250Expected 7/1/2027	$13.08 $12.61 $11.93 $10.19 View $9.04 $8.88 $8.49 Quote	Min.: 1 Mult.: 1	Radial	330 Ohms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 20watts 500Kohms 5% RTO020F50002JTE3 Vishay / Sfernice 1: $14.63 61In Stock	Mfr. Part No. RTO020F50002JTE3 Mouser Part No 72-RTO20F-500K-5	Vishay / Sfernice	Thick Film Resistors - Through Hole 20watts 500Kohms 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	61In Stock	$14.63 $14.27 $13.56 $13.06 View $10.58 $10.28 $10.12 $9.98	Min.: 1 Mult.: 1	Radial	500 kOhms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 20watts 680ohms 5% NON-STANDARD RTO020F680R0JTE3 Vishay / Sfernice 1: $11.72 94In Stock	Mfr. Part No. RTO020F680R0JTE3 Mouser Part No 72-RTO20F-680-5	Vishay / Sfernice	Thick Film Resistors - Through Hole 20watts 680ohms 5% NON-STANDARD Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	94In Stock	$11.72 $11.61 $10.57 $9.90 View $9.56 $9.26 $7.62	Min.: 1 Mult.: 1	Radial	680 Ohms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 50watts 1ohm 5% RTO050F1R000JTE1 Vishay / Sfernice 1: $21.11 93In Stock	Mfr. Part No. RTO050F1R000JTE1 Mouser Part No 72-RTO50F-1-5	Vishay / Sfernice	Thick Film Resistors - Through Hole 50watts 1ohm 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	93In Stock	$21.11 $14.43 $14.42 $13.23 View $11.46 $10.83 $9.81 Quote	Min.: 1 Mult.: 1	Radial	1 Ohms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 50watts 1.5Kohms 5% RTO050F15000JTE1 Vishay / Sfernice 1: $17.58 50In Stock	Mfr. Part No. RTO050F15000JTE1 Mouser Part No 72-RTO50F-1.5K-5	Vishay / Sfernice	Thick Film Resistors - Through Hole 50watts 1.5Kohms 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	50In Stock	$17.58 $14.48 $13.78 $13.36 View $13.02 $12.32 $12.14 $11.86 Quote	Min.: 1 Mult.: 1	Radial	1.5 kOhms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 50watts 10ohms 5% RTO050F10R00JTE1 Vishay / Sfernice 1: $14.27 47In Stock 2,000Expected 24/12/2026	Mfr. Part No. RTO050F10R00JTE1 Mouser Part No 72-RTO50F-10-5	Vishay / Sfernice	Thick Film Resistors - Through Hole 50watts 10ohms 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	47In Stock 2,000Expected 24/12/2026	$14.27 $11.51 $10.88 $10.02 View $9.85 $9.74 $9.08 Quote	Min.: 1 Mult.: 1	Radial	10 Ohms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 50watts 100ohms 5% RTO050F100R0JTE1 Vishay / Sfernice 1: $15.97 63In Stock 150Expected 17/12/2026	Mfr. Part No. RTO050F100R0JTE1 Mouser Part No 72-RTO50F-100-5	Vishay / Sfernice	Thick Film Resistors - Through Hole 50watts 100ohms 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	63In Stock 150Expected 17/12/2026	$15.97 $13.00 $12.32 $11.91 View $11.60 $11.27 $10.83 $10.06 Quote	Min.: 1 Mult.: 1	Radial	100 Ohms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 50watts 10Kohms 5% RTO050F10001JTE1 Vishay / Sfernice 1: $15.72 56In 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	56In Stock	$15.72 $12.84 $12.19 $11.79 View $11.48 $11.17 $10.99 $10.84	Min.: 1 Mult.: 1	Radial	10 kOhms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 50watts 1Kohms 5% RTO050F10000JTE1 Vishay / Sfernice 1: $14.92 85In Stock	Mfr. Part No. RTO050F10000JTE1 Mouser Part No 72-RTO50F-1K-5	Vishay / Sfernice	Thick Film Resistors - Through Hole 50watts 1Kohms 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	85In Stock	$14.92 $12.13 $12.12 $11.23 View $10.51 $10.34 $9.67 Quote	Min.: 1 Mult.: 1	Radial	1 kOhms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 20 F U033 1% TU50 e3 RTO020FR0330FTE3 Vishay / Sfernice 1: $42.61 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	$42.61 $30.08 $30.07 $27.57 View $25.40 $24.22 $24.02 Quote	Min.: 1 Mult.: 1	Radial	33 mOhms	20 W	1 %	700 PPM / C
Thick Film Resistors - Through Hole RTO 50 F 3U74 1% TU50 e1 RTO050F3R740FTE1 Vishay / Sfernice 1: $36.26 45In Stock	Mfr. Part No. RTO050F3R740FTE1 Mouser Part No 72-RTO050F3R740FTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 50 F 3U74 1% TU50 e1	Datasheet	45In Stock	$36.26 $26.22 $26.21 $21.54 View $20.90 $20.35 $20.20 Quote	Min.: 1 Mult.: 1	Radial	3.74 Ohms	50 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole 220 OHM 5% 150PPM 20W RTO020F220R0JTE3 Vishay / Sfernice 1: $15.40 500Expected 31/12/2026	Mfr. Part No. RTO020F220R0JTE3 Mouser Part No 72-RTO020F220R0JTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole 220 OHM 5% 150PPM 20W Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	500Expected 31/12/2026	$15.40 $10.98 $10.72 $9.42 View $8.65 $8.40 $7.75 Quote	Min.: 1 Mult.: 1	Radial	220 Ohms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 50wattts RTO050F15R00JTE1 Vishay / Sfernice 1: $17.30 272On Order	Mfr. Part No. RTO050F15R00JTE1 Mouser Part No 72-RTO050F15R00JTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole 50wattts Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	272On Order On Order Ship Dates Mfr. No: RTO050F15R00JTE1 Stock: 0 On Order: 22 Expected 22/12/2026 250 Expected 2/2/2027 Factory Lead Time: 12 Weeks	$17.30 $14.18 $13.46 $13.03 View $12.70 $11.90 $10.88 $10.69 Quote	Min.: 1 Mult.: 1	Radial	15 Ohms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 50W 470ohms 5% RTO050F470R0JTE1 Vishay / Sfernice 1: $16.43 200On Order	Mfr. Part No. RTO050F470R0JTE1 Mouser Part No 72-RTO050F470R0JTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole 50W 470ohms 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	200On Order On Order Ship Dates Mfr. No: RTO050F470R0JTE1 Stock: 0 On Order: 100 Expected 3/11/2026 100 Expected 22/12/2026 Factory Lead Time: 12 Weeks	$16.43 $13.46 $12.78 $12.38 View $12.06 $11.74 $10.83 $10.27 Quote	Min.: 1 Mult.: 1	Radial	470 Ohms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 50W 56ohm 5% RTO050F56R00JTE1 Vishay / Sfernice 1: $15.19 200Expected 31/12/2026	Mfr. Part No. RTO050F56R00JTE1 Mouser Part No 72-RTO050F56R00JTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole 50W 56ohm 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	200Expected 31/12/2026	$15.19 $12.38 $12.36 $12.14 View $10.74 $10.57 $10.42	Min.: 1 Mult.: 1	Radial	56 Ohms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 20 F 2U7 5% TU50 e3 RTO020F2R700JTE3 Vishay / Sfernice 1: $20.16 50Expected 29/10/2026	Mfr. Part No. RTO020F2R700JTE3 Mouser Part No 72-RTO020F2R700JTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 20 F 2U7 5% TU50 e3 Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	50Expected 29/10/2026	$20.16 $13.91 $13.90 $12.32 View $11.21 $10.87 $10.83 $10.65 Quote	Min.: 1 Mult.: 1	Radial	2.7 Ohms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 20 F U015 5% TU50 e3 RTO020FR0150JTE3 Vishay / Sfernice 1: $27.06 20Expected 31/12/2026	Mfr. Part No. RTO020FR0150JTE3 Mouser Part No 72-RTO020FR0150JTE3	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 20 F U015 5% TU50 e3 Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	20Expected 31/12/2026	$27.06 $19.11 $19.09 $17.24 View $16.13 $14.82 $14.61 $14.52 Quote	Min.: 1 Mult.: 1	Radial	15 mOhms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 50 F 220U 5% TU50 e1 RTO050F220R0JTE1 Vishay / Sfernice 1: $16.35 48Expected 31/12/2026	Mfr. Part No. RTO050F220R0JTE1 Mouser Part No 72-RTO050F220R0JTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 50 F 220U 5% TU50 e1	Datasheet	48Expected 31/12/2026	$16.35 $13.33 $12.63 $12.51 View $11.90 $11.57 $10.91 $10.54 Quote	Min.: 1 Mult.: 1	Radial	220 Ohms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 50 F 47U 1% TU50 e1 RTO050F47R00FTE1 Vishay / Sfernice 1: $32.97 29Expected 19/1/2027	Mfr. Part No. RTO050F47R00FTE1 Mouser Part No 72-RTO050F47R00FTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 50 F 47U 1% TU50 e1	Datasheet	29Expected 19/1/2027	$32.97 $23.28 $23.26 $21.49 View $19.65 $18.51 $18.33 Quote	Min.: 1 Mult.: 1	Radial	47 Ohms	50 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole 20watts 2.2ohms 5% NON-STANDARD RTO020F2R200JTE3 Vishay / Sfernice 1: $13.86 160Expected 5/1/2027	Mfr. Part No. RTO020F2R200JTE3 Mouser Part No 72-RTO20F-2.2-5	Vishay / Sfernice	Thick Film Resistors - Through Hole 20watts 2.2ohms 5% NON-STANDARD Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	160Expected 5/1/2027	$13.86 $11.21 $10.59 $10.58 View $9.94 $9.66 $9.49 $9.36	Min.: 1 Mult.: 1	Radial	2.2 Ohms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole 20watts 4.7Kohms 5% RTO020F47000JTE3 Vishay / Sfernice 1: $13.86 75Expected 7/1/2027	Mfr. Part No. RTO020F47000JTE3 Mouser Part No 72-RTO20F-4.7K-5	Vishay / Sfernice	Thick Film Resistors - Through Hole 20watts 4.7Kohms 5% Learn More about Vishay / Sfernice vishay sfernice rto20 50 power resistors	Datasheet	75Expected 7/1/2027	$13.86 $11.21 $10.59 $10.23 View $9.94 $9.66 $9.49 $9.36	Min.: 1 Mult.: 1	Radial	4.7 kOhms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 50 F 51U 5% TU50 e1 RTO050F51R00JTE1 Vishay / Sfernice 1: $16.35 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. RTO050F51R00JTE1 Mouser Part No 71-RTO050F51R00JTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 50 F 51U 5% TU50 e1	Datasheet	Non-Stocked Lead-Time 12 Weeks	$16.35 $13.33 $12.63 $12.62 View $11.90 $11.57 $11.38 $11.23	Min.: 1 Mult.: 1	Radial	51 Ohms	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

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RTO20 & RTO50 Power Resistors

Types of Resistors

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