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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Resistance
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Temperature Coefficient
Minimum Operating Temperature
Maximum Operating Temperature
Voltage Rating
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Vishay / Sfernice LTO030F2R900FTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 30 F 2U9 1% TU50 e3
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

LTO 30 2.9 Ohms 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 Thick Film Resistors Leaded Power Resistor, Thick Film Technology 3.2 mm
Vishay / Sfernice LTO030F39001JTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 30 F 39K 5% TU50 e3
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

LTO 30 39 kOhms 30 W 5 % 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 Thick Film Resistors Leaded Power Resistor, Thick Film Technology 3.2 mm
Vishay / Sfernice LTO030F390R0FTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 30 F 390U 1% TU50 e3
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

LTO 30 390 Ohms 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 Thick Film Resistors Leaded Power Resistor, Thick Film Technology 3.2 mm
Vishay / Sfernice LTO030F56001FTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 30 F 56K 1% TU50 e3
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

LTO 30 56 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 Thick Film Resistors Leaded Power Resistor, Thick Film Technology 3.2 mm
Vishay / Sfernice LTO030F56R00JTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 30 F 56U 5% TU50 e3
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

LTO 30 56 Ohms 30 W 5 % 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 Thick Film Resistors Leaded Power Resistor, Thick Film Technology 3.2 mm
Vishay / Sfernice LTO030F82R00FTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 30 F 82U 1% TU50 e3
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

LTO 82 Ohms 30 W 1 % 150 PPM / C - 55 C + 150 C 10.4 mm Radial Tube Non-Inductive Resistors 3.2 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 16.2 mm
Vishay / Sfernice LTO030F9R100JTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 30 F 9U1 5% TU50 e3
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

LTO 30 9.1 Ohms 30 W 5 % 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 Thick Film Resistors Leaded Power Resistor, Thick Film Technology 3.2 mm
Vishay / Sfernice LTO050F2R400FTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 50 F 2U4 1% TU50 e3
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

LTO 2.4 Ohms 50 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 Thick Film Resistors Leaded Power Resistor, Thick Film Technology 3.2 mm
Vishay / Sfernice LTO050F300R0JTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 50 F 300U 5% TU50 e3
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

LTO 300 Ohms 50 W 5 % 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 Thick Film Resistors Leaded Power Resistor, Thick Film Technology 3.2 mm
Vishay / Sfernice LTO050F3R300JTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 50 F 3U3 5% TU50 e3
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

LTO 3.3 Ohms 50 W 5 % 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 Thick Film Resistors Leaded Power Resistor, Thick Film Technology 3.2 mm
Vishay / Sfernice LTO050F6R800JTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 50 F 6U8 5% TU50 e3
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

LTO 6.8 Ohms 50 W 5 % 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 Thick Film Resistors Leaded Power Resistor, Thick Film Technology 3.2 mm
Vishay / Sfernice LTO050F8R200FTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 50 F 8U2 1% TU50 e3
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

LTO 8.2 Ohms 50 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 Thick Film Resistors Leaded Power Resistor, Thick Film Technology 3.2 mm
Vishay / Sfernice LTO050FR3000JTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 50 F U3 5% TU50 e3
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

LTO 300 mOhms 50 W 5 % 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 Thick Film Resistors Leaded Power Resistor, Thick Film Technology 3.2 mm
Vishay / Sfernice LTO050FR6340FTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 50 F U634 1% TU50 e3
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

LTO 634 mOhms 50 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 Thick Film Resistors Leaded Power Resistor, Thick Film Technology 3.2 mm
Vishay / Sfernice LTO050FR6490FTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 50 F U649 1% TU50 e3
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

LTO 649 mOhms 50 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 Thick Film Resistors Leaded Power Resistor, Thick Film Technology 3.2 mm