LTO Power Resistors

Vishay / Sfernice LTO Power Resistors combine high power capability with strong thermal efficiency for demanding power electronics. Based on thick-film technology, these resistors offer excellent heat conduction, allowing for direct mounting on a heatsink and supporting continuous power ratings of 30W, 50W, 100W, and 150W. The surge performance is optimized for dynamic loads, with pulse absorption ranging from 20J/0.1s to 75J/0.1s, depending on the model. Precision laser trimming ensures stable and accurate performance across a wide resistance range from 0.01Ω to 1.3MΩ. The TO-220 and TO-247 packages are easily integrated into compact, high-power assemblies. The entire Vishay / Sfernice LTO lineup is AEC-Q200 qualified, guaranteeing automotive-grade robustness and long-term reliability. Typical applications include motor drives, snubbers and braking circuits, power conversion, and battery and energy storage.

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Dami RoHS ECAD Model Series
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Vishay / Sfernice Thick Film Resistors - Through Hole 30W 30Kohms 1%
Datasheet
146May Stock
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LTO 30 30 kOhms 30 W 1 % 150 PPM / C - 55 C + 150 C 500 V 10.4 mm Radial Tube Non-Inductive Resistors 16.2 mm 0.8 mm 5.08 mm Power Resistors Thick Film Resistor 3.2 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 30W 50Kohms 1%
Datasheet
64May Stock
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LTO 30 50 kOhms 30 W 1 % 150 PPM / C - 55 C + 150 C 500 V 10.4 mm Radial Tube Non-Inductive Resistors 16.2 mm 0.8 mm 5.08 mm Power Resistors Thick Film Resistor 3.2 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 20ohms 1%
Datasheet
92May Stock
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LTO 50 20 Ohms 50 W 1 % 150 PPM / C - 55 C + 150 C 500 V 10.4 mm Radial Tube 16.2 mm 0.8 mm 5.08 mm Power Resistors Power Resistor, Thick Film Technology 3.2 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 5Kohms 1%
Datasheet
95May Stock
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LTO 50 5 kOhms - 55 C + 150 C 500 V Tube 0.8 mm Power Resistors
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 50ohms 1%
Datasheet
198May Stock
Min.: 1
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LTO 50 50 Ohms 50 W 1 % 150 PPM / C - 55 C + 150 C 500 V 10.4 mm Radial Tube 16.2 mm 0.8 mm 5.08 mm Power Resistors Power Resistor, Thick Film Technology 3.2 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 100W 12ohms 5%
Datasheet
142May Stock
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LTO 100 12 Ohms 100 W 5 % 150 PPM / C - 55 C + 175 C 500 V 15.76 mm Radial Tube Non-Inductive Resistors 20.7 mm 0.6 mm 10.16 mm Power Resistors Thick Film Power Resistor 5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 100W 15Kohms 5%
Datasheet
164May Stock
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LTO 100 15 kOhms 100 W 5 % 150 PPM / C - 55 C + 175 C 500 V 15.76 mm Radial Tube Non-Inductive Resistors 20.7 mm 0.6 mm 10.16 mm Power Resistors Thick Film Power Resistor 5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 100W 150ohms 5%
Datasheet
120May Stock
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LTO 100 150 Ohms 100 W 5 % 150 PPM / C - 55 C + 175 C 500 V 15.76 mm Radial Tube Non-Inductive Resistors 20.7 mm 0.6 mm 10.16 mm Power Resistors Thick Film Power Resistor 5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 100W 1.3ohms 5%
Datasheet
60May Stock
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LTO 100 1.3 Ohms 100 W 5 % 150 PPM / C - 55 C + 175 C 500 V 15.76 mm Radial Tube Non-Inductive Resistors 20.7 mm 0.6 mm 10.16 mm Power Resistors Thick Film Power Resistor 5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 100W 47Kohms 1%
Datasheet
62May Stock
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LTO 100 47 kOhms 100 W 1 % 150 PPM / C - 55 C + 175 C 500 V 15.76 mm Radial Tube Non-Inductive Resistors 20.7 mm 0.6 mm 10.16 mm Power Resistors Thick Film Power Resistor 5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 100W 909ohms 5%
Datasheet
102May Stock
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LTO 100 909 Ohms 100 W 5 % 150 PPM / C - 55 C + 175 C 500 V 15.76 mm Radial Tube Non-Inductive Resistors 20.7 mm 0.6 mm 10.16 mm Power Resistors Thick Film Power Resistor 5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 100W .62ohms 5%
Datasheet
61May Stock
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LTO 100 620 mOhms 100 W 5 % 150 PPM / C - 55 C + 175 C 500 V 15.76 mm Radial Tube Non-Inductive Resistors 20.7 mm 0.6 mm 10.16 mm Power Resistors Thick Film Power Resistor 5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 150W 330ohms 5%
Datasheet
145May Stock
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LTO 150 330 Ohms 150 W 5 % 200 PPM / C - 55 C + 175 C 500 V 15.76 mm Radial Tube Non-Inductive Resistors 20.7 mm 0.6 mm 10.16 mm Thick Film Resistors Leaded Thick Film Power Resistor 5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 150watt H 10ohms 5% e3
Datasheet
171May Stock
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LTO 150 10 Ohms 150 W 5 % - 55 C + 175 C 500 V 15.76 mm Radial Tube 20.7 mm 0.8 mm 10.16 mm Thick Film Resistors Clip Mount Power Resistor
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 150watt H 2.2Kohms 5% e3
Datasheet
151May Stock
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LTO 150 2.2 kOhms 150 W 5 % - 55 C + 175 C 500 V 15.76 mm Radial Tube 20.7 mm 0.8 mm 10.16 mm Thick Film Resistors Clip Mount Power Resistor
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 150watt H 300ohms 5% e3
Datasheet
112May Stock
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LTO 150 300 Ohms 150 W 5 % - 55 C + 175 C 500 V 15.76 mm Radial Tube 20.7 mm 0.8 mm 10.16 mm Thick Film Resistors Clip Mount Power Resistor
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 150watt H 330ohms 5% e3
Datasheet
146May Stock
Min.: 1
Mult.: 1

LTO 150 330 Ohms 150 W 5 % - 55 C + 175 C 500 V 15.76 mm Radial Tube 20.7 mm 0.8 mm 10.16 mm Thick Film Resistors Clip Mount Power Resistor
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 150watt H 3ohms 5% e3
Datasheet
129May Stock
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LTO 150 3 Ohms 150 W 5 % - 55 C + 175 C 500 V 15.76 mm Radial Tube 20.7 mm 0.8 mm 10.16 mm Thick Film Resistors Clip Mount Power Resistor
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 150watt H 470ohms 5% e3
Datasheet
134May Stock
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LTO 150 470 Ohms 150 W 5 % - 55 C + 175 C 500 V Radial Tube Thick Film Resistors Clip Mount Power Resistor
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 150watt H 47ohms 5% e3
Datasheet
153May Stock
Min.: 1
Mult.: 1

LTO 150 47 Ohms 150 W 5 % - 55 C + 175 C 500 V 15.76 mm Radial Tube 20.7 mm 0.8 mm 10.16 mm Thick Film Resistors Clip Mount Power Resistor
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 150watt H 4.7ohms 5% e3
Datasheet
81May Stock
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LTO 150 4.7 Ohms 150 W 5 % - 55 C + 175 C 500 V 15.76 mm Radial Tube 20.7 mm 0.8 mm 10.16 mm Thick Film Resistors Clip Mount Power Resistor
Vishay / Sfernice Thick Film Resistors - Through Hole 1ohms 1%
Datasheet
743May Stock
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LTO 30 1 Ohms 30 W 1 % 150 PPM / C - 55 C + 155 C 250 V 10.4 mm Radial Tube Non-Inductive Resistors 16.2 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 3.2 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 10ohms 5%
Datasheet
1,614May Stock
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LTO 50 10 Ohms 50 W 5 % 150 PPM / C - 55 C + 155 C 250 V 10.4 mm Radial Tube 16.2 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 3.2 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 1ohms 5%
Datasheet
710May Stock
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LTO 50 1 Ohms 50 W 5 % 150 PPM / C - 55 C + 155 C 250 V 10.4 mm Radial Tube 16.2 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 3.2 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 22ohms 5%
Datasheet
631May Stock
Min.: 1
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LTO 50 22 Ohms 50 W 5 % 150 PPM / C - 55 C + 155 C 250 V 10.4 mm Radial Tube 16.2 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 3.2 mm