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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 (THB) 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 50W 30ohms 5% RTO050F30R00JTE1 Vishay / Sfernice 1: ฿525.12 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	฿525.12 ฿362.52 ฿362.19 ฿320.87 View ฿296.88 ฿287.22 ฿283.89 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: ฿690.72 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	฿690.72 ฿487.80 ฿487.47 ฿452.82 View ฿411.50 ฿396.17 ฿392.18 ฿391.84 Quote	Min.: 1 Mult.: 1	Radial	16 Ohms	20 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole 50W 10ohms 1% RTO050F10R00FTE1 Vishay / Sfernice 1: ฿734.37 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	฿734.37 ฿518.46 ฿481.47 ฿431.49 View ฿399.51 ฿396.51 Quote	Min.: 1 Mult.: 1	Radial	10 Ohms	50 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole 220 OHM 5% 150PPM 20W RTO020F220R0JTE3 Vishay / Sfernice 1: ฿322.87 643In Stock	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	643In Stock	฿322.87 ฿254.90 ฿245.57 ฿203.25 View ฿189.92 ฿181.26 Quote	Min.: 1 Mult.: 1	Radial	220 Ohms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 20 F 180U 10% TU50 e3 RTO020F180R0KTE3 Vishay / Sfernice 1: ฿493.80 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	฿493.80 ฿340.86 ฿340.53 ฿301.88 View ฿274.22 ฿259.23 ฿257.56 ฿254.23 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: ฿592.76 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	฿592.76 ฿408.84 ฿408.50 ฿347.19 View ฿329.20 ฿299.21 ฿294.88 ฿290.22 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: ฿690.72 40In 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	40In Stock	฿690.72 ฿487.80 ฿487.47 ฿452.82 View ฿414.50 ฿410.17 ฿407.84	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: ฿807.68 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	฿807.68 ฿570.11 ฿520.13 ฿481.47 View ฿446.15 ฿441.49 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: ฿807.68 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	฿807.68 ฿570.11 ฿520.13 ฿481.47 View ฿446.15 ฿440.82 Quote	Min.: 1 Mult.: 1	Radial	47 Ohms	50 W	1 %	150 PPM / C
Thick Film Resistors - SMD RTO 50 C 2U 1% TU50 e1 RTO050C2R000FTE1 Vishay / Sfernice 1: ฿848.33 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	฿848.33 ฿598.76 ฿556.11 ฿505.46 View ฿480.14 ฿475.48 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: ฿607.09 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	฿607.09 ฿418.83 ฿418.50 ฿370.85 View ฿339.53 ฿334.20 ฿331.20 ฿325.54 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: ฿807.68 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	฿807.68 ฿570.11 ฿569.77 ฿520.13 View ฿481.47 ฿449.82 ฿445.49 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: ฿807.68 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	฿807.68 ฿570.11 ฿520.13 ฿481.47 View ฿447.49 ฿441.82 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: ฿807.68 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	฿807.68 ฿570.11 ฿529.45 ฿481.47 View ฿447.82 ฿442.49 Quote	Min.: 1 Mult.: 1	Radial	3.3 Ohms	50 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 20 F 820U 10% TU50 e3 RTO020F820R0KTE3 Vishay / Sfernice 1: ฿493.80 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	฿493.80 ฿340.86 ฿340.53 ฿301.88 View ฿274.22 ฿263.89 ฿262.23 ฿258.56 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 RTO050C30R00JTE1 Vishay / Sfernice 1: ฿607.09 35In Stock	Mfr. Part No. RTO050C30R00JTE1 Mouser Part No 72-RTO050C30R00JTE1	Vishay / Sfernice	Thick Film Resistors - SMD RTO 50 C 30U 5% TU50 e1	Datasheet	35In Stock	฿607.09 ฿418.83 ฿418.50 ฿370.85 View ฿336.87 ฿316.87 ฿314.87 ฿310.88 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 RTO050C47R00JTE1 Vishay / Sfernice 1: ฿607.09 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	฿607.09 ฿418.83 ฿418.50 ฿370.85 View ฿336.87 ฿318.21 ฿317.21 ฿313.21 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: ฿888.31 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	฿888.31 ฿627.42 ฿626.75 ฿566.11 View ฿529.79 ฿494.47 ฿490.14 Quote	Min.: 1 Mult.: 1	Radial	50 Ohms	50 W	1 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 20 F U015 5% TU50 e3 RTO020FR0150JTE3 Vishay / Sfernice 1: ฿663.07 20In Stock	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	20In Stock	฿663.07 ฿468.15 ฿467.81 ฿408.17 View ฿385.85 ฿358.86 ฿349.19 ฿346.86 Quote	Min.: 1 Mult.: 1	Radial	15 mOhms	20 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 20 F U033 1% TU50 e3 RTO020FR0330FTE3 Vishay / Sfernice 1: ฿1,043.92 49In 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	49In Stock	฿1,043.92 ฿737.04 ฿736.71 ฿644.74 View ฿615.09 ฿576.44 ฿570.77 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: ฿607.09 50In Stock	Mfr. Part No. RTO050C100R0JTE1 Mouser Part No 72-RTO050C100R0JTE1	Vishay / Sfernice	Thick Film Resistors - SMD RTO 50 C 100U 5% TU50 e1	Datasheet	50In Stock	฿607.09 ฿418.83 ฿418.50 ฿370.85 View ฿336.87 ฿316.54 ฿314.87 ฿310.21 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: ฿807.68 61In Stock	Mfr. Part No. RTO050F16R00FTE1 Mouser Part No 72-RTO050F16R00FTE1	Vishay / Sfernice	Thick Film Resistors - Through Hole RTO 50 F 16U 1% TU50 e1	Datasheet	61In Stock	฿807.68 ฿570.44 ฿569.77 ฿529.45 View ฿481.47 ฿444.82 ฿437.16 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: ฿577.77 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	฿577.77 ฿398.84 ฿398.51 ฿353.19 View ฿320.87 ฿310.88 ฿308.21 ฿302.55 Quote	Min.: 1 Mult.: 1	Radial	47 kOhms	50 W	5 %	150 PPM / C
Thick Film Resistors - Through Hole RTO 20 F 6K8 1% TU50 e3 RTO020F68000FTE3 Vishay / Sfernice 1: ฿690.72 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	฿690.72 ฿487.47 ฿451.49 ฿411.50 View ฿385.51 ฿381.85 ฿381.51 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: ฿690.72 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	฿690.72 ฿487.80 ฿487.47 ฿452.82 View ฿411.50 ฿405.50 ฿402.51 ฿399.84 Quote	Min.: 1 Mult.: 1	Radial	6.2 Ohms	20 W	2 %	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