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 3000VRMS. 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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Vishay / Sfernice Thick Film Resistors - Through Hole 50W 30ohms 5% 38May Stock
100Inaasahan 12/22/2026
₱966.88
₱667.49
₱666.87
₱590.80
Min.: 1
Mult.: 1
Radial 30 Ohms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 16U 1% TU50 e3 127May Stock
₱1,271.79
₱898.16
₱897.55
₱833.75
Min.: 1
Mult.: 1
Radial 16 Ohms 20 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 10ohms 1% 100May Stock
₱1,352.15
₱954.61
₱886.51
₱794.48
Min.: 1
Mult.: 1
Radial 10 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole 220 OHM 5% 150PPM 20W 643May Stock
₱594.48
₱469.33
₱452.15
₱374.24
Min.: 1
Mult.: 1
Radial 220 Ohms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 180U 10% TU50 e3 46May Stock
₱909.21
₱627.61
₱627.00
₱555.83
Min.: 1
Mult.: 1
Radial 180 Ohms 20 W 10 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F U068 5% TU50 e3 47May Stock
₱1,091.42
₱752.76
₱752.15
₱639.27
Min.: 1
Mult.: 1
Radial 680 mOhms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F U12 1% TU50 e3 35May Stock
₱1,271.79
₱898.16
₱897.55
₱833.75
Min.: 1
Mult.: 1
Radial 120 mOhms 20 W 1 %
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 150U 1% TU50 e1 17May Stock
₱1,487.12
₱1,049.70
₱957.67
₱886.51
Min.: 1
Mult.: 1
Radial 150 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 47U 1% TU50 e1 29May Stock
₱1,487.12
₱1,049.70
₱957.67
₱886.51
Min.: 1
Mult.: 1
Radial 47 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - SMD RTO 50 C 2U 1% TU50 e1 50May Stock
₱1,561.97
₱1,102.46
₱1,023.93
₱930.68
Min.: 1
Mult.: 1
SMD/SMT 2 Ohms 50 W 1 % 150 PPM / C TO-220-2 Flat Lead TO-220-2 Flat Lead
Vishay / Sfernice Thick Film Resistors - SMD RTO 50 C 2U4 5% TU50 e1 46May Stock
₱1,117.80
₱771.17
₱770.56
₱682.83
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
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 22U 1% TU50 e1 39May Stock
₱1,487.12
₱1,049.70
₱1,049.09
₱957.67
Min.: 1
Mult.: 1
Radial 22 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 33U 1% TU50 e1 47May Stock
₱1,487.12
₱1,049.70
₱957.67
₱886.51
Min.: 1
Mult.: 1
Radial 33 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 3U3 1% TU50 e1 40May Stock
₱1,487.12
₱1,049.70
₱974.85
₱886.51
Min.: 1
Mult.: 1
Radial 3.3 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 820U 10% TU50 e3 39May Stock
₱909.21
₱627.61
₱627.00
₱555.83
Min.: 1
Mult.: 1
Radial 820 Ohms 20 W 10 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - SMD RTO 50 C 30U 5% TU50 e1 35May Stock
₱1,117.80
₱771.17
₱770.56
₱682.83
Min.: 1
Mult.: 1
SMD/SMT 30 Ohms 50 W 5 % 150 PPM / C TO-220-2 Flat Lead TO-220-2 Flat Lead
Vishay / Sfernice Thick Film Resistors - SMD RTO 50 C 47U 5% TU50 e1 20May Stock
₱1,117.80
₱771.17
₱770.56
₱682.83
Min.: 1
Mult.: 1
SMD/SMT 47 Ohms 50 W 5 % 150 PPM / C TO-220-2 Flat Lead TO-220-2 Flat Lead
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 50U 1% TU50 e1 26May Stock
₱1,635.59
₱1,155.22
₱1,153.99
₱1,042.34
Min.: 1
Mult.: 1
Radial 50 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F U015 5% TU50 e3 20May Stock
₱1,220.87
₱861.97
₱861.35
₱751.54
Min.: 1
Mult.: 1
Radial 15 mOhms 20 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F U033 1% TU50 e3 44May Stock
₱1,922.10
₱1,357.06
₱1,356.45
₱1,187.12
Min.: 1
Mult.: 1
Radial 33 mOhms 20 W 1 % 700 PPM / C
Vishay / Sfernice Thick Film Resistors - SMD RTO 50 C 100U 5% TU50 e1 50May Stock
₱1,117.80
₱771.17
₱770.56
₱682.83
Min.: 1
Mult.: 1
SMD/SMT 100 Ohms 50 W 5 % 150 PPM / C TO-220-2 Flat Lead TO-220-2 Flat Lead
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 16U 1% TU50 e1 61May Stock
₱1,487.12
₱1,050.31
₱1,049.09
₱974.85
Min.: 1
Mult.: 1
Radial 16 Ohms 50 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 47K 5% TU50 e1 45May Stock
₱1,063.81
₱734.36
₱733.75
₱650.31
Min.: 1
Mult.: 1
Radial 47 kOhms 50 W 5 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 6K8 1% TU50 e3 48May Stock
₱1,271.79
₱897.55
₱831.29
₱757.67
Min.: 1
Mult.: 1
Radial 6.8 kOhms 20 W 1 % 150 PPM / C
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 20 F 6U2 2% TU50 e3 37May Stock
₱1,271.79
₱898.16
₱897.55
₱833.75
Min.: 1
Mult.: 1
Radial 6.2 Ohms 20 W 2 % 150 PPM / C