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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Vishay / Sfernice Thick Film Resistors - Through Hole LTO 100 F 9U1 5% TU30 e3
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

LTO 9.1 Ohms 100 W 5 % 200 PPM / C - 55 C + 175 C 500 V 15.76 mm Radial Tube 20.7 mm 1.5 mm 10.16 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 100 F U2 5% TU30 e3
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

LTO 200 mOhms 100 W 5 % 350 PPM / C - 55 C + 175 C 500 V 15.76 mm Radial Tube 20.7 mm 1.5 mm 10.16 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 100 F U27 5% TU30 e3
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

LTO 270 mOhms 100 W 5 % 350 PPM / C - 55 C + 175 C 500 V 15.76 mm Radial Tube 20.7 mm 1.5 mm 10.16 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 100 F U33 5% TU30 e3
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

LTO 330 mOhms 100 W 5 % 350 PPM / C - 55 C + 175 C 500 V 15.76 mm Radial Tube 20.7 mm 1.5 mm 10.16 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 100 F U35 1% TU30 e3
Datasheet
Non-Stocked
Min.: 120
Mult.: 30

LTO 350 mOhms 100 W 1 % 350 PPM / C - 55 C + 175 C 500 V 15.76 mm Radial Tube 20.7 mm 1.5 mm 10.16 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 100 F U45 1% TU30 e3
Datasheet
Non-Stocked
Min.: 120
Mult.: 30

LTO 450 mOhms 100 W 1 % 350 PPM / C - 55 C + 175 C 500 V 15.76 mm Radial Tube 20.7 mm 1.5 mm 10.16 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 100 F U51 5% TU30 e3
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

LTO 510 mOhms 100 W 5 % 350 PPM / C - 55 C + 175 C 500 V 15.76 mm Radial Tube 20.7 mm 1.5 mm 10.16 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 100 F U75 5% TU30 e3
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

LTO 750 mOhms 100 W 5 % 350 PPM / C - 55 C + 175 C 500 V 15.76 mm Radial Tube 20.7 mm 1.5 mm 10.16 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 100 F U8 1% TU30 e3
Datasheet
Non-Stocked
Min.: 120
Mult.: 30

LTO 800 mOhms 100 W 1 % 350 PPM / C - 55 C + 175 C 500 V 15.76 mm Radial Tube 20.7 mm 1.5 mm 10.16 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 150 F 1U 1% TU30 e3
Datasheet
Non-Stocked
Min.: 120
Mult.: 30

LTO 150 1 Ohms 150 W 1 % 350 PPM / C - 55 C + 175 C 500 V 15.76 mm Radial Tube 20.7 mm 0.8 mm 10.16 mm Thick Film Resistors Leaded Clip Mount Power Resistor, Thick Film Technology 5 mm
Vishay Thick Film Resistors - Through Hole LTO 150 F 6U19 1% TU30 e3
Datasheet
Non-Stocked
Min.: 120
Mult.: 30
LTO 150 6.19 Ohms 150 W 1 % - 55 C + 175 C 500 V 15.76 mm Radial Tube 20.7 mm 0.8 mm 10.16 mm Power Film Resistors
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 150 F 82U 5% TU30 e3
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

LTO 150 82 Ohms 150 W 5 % 200 PPM / C - 55 C + 175 C 500 V 15.76 mm Radial Tube 20.7 mm 0.8 mm 10.16 mm Thick Film Resistors Leaded Clip Mount Power Resistor, Thick Film Technology 5 mm
Vishay / Sfernice LTA030F10002FTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTA 30 F 100K 1% TU50 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1
LTA (LTO 30) 100 kOhms 30 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.4 mm Radial Tube 16.2 mm 0.6 mm 5.08 mm Thick Film Power Resistors Molded Power Resistor 3.2 mm
Vishay / Sfernice LTA030FR2000FTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTA 30 F U2 1% TU50 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1
LTA (LTO 30) 200 mOhms 30 W 1 % 250 PPM / C - 55 C + 155 C 500 V 10.4 mm Radial Tube 16.2 mm 0.6 mm 5.08 mm Thick Film Power Resistors Molded Power Resistor 3.2 mm
Vishay / Sfernice LTA050F50R00FTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTA 50 F 50U 1% TU50 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1
LTA (LTO 50) 50 Ohms 50 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.4 mm Radial Tube 16.2 mm 5.08 mm Thick Film Power Resistors Molded Power Resistor 3.2 mm
Vishay / Sfernice LTO030F17R50FTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 30 F 17U5 1% TU50 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO 30 17.5 Ohms 30 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 Thick Film Resistors Leaded Power Resistor, Thick Film Technology 3.2 mm
Vishay / Sfernice LTO030F51000JTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 30 F 5K1 5% TU50 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO 30 5.1 kOhms 30 W 5 % 150 PPM / C - 55 C + 150 C 500 V 10.4 mm Radial Tube 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 56K OHM 1% 30W
Datasheet
Non-Stocked Lead-Time 12 Weeks
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 16.2 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 3.2 mm
Vishay / Sfernice LTO030FR0400JTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 30 F U04 5% TU50 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO 30 40 mOhms 30 W 5 % 150 PPM / C - 55 C + 150 C 10.4 mm Radial Tube 3.2 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 16.2 mm
Vishay / Sfernice LTO030FR0750JTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 30 F U075 5% TU50 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO 30 75 mOhms 30 W 5 % 150 PPM / C - 55 C + 150 C 10.4 mm Radial Tube 3.2 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 16.2 mm
Vishay / Sfernice LTO050F12R00JTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 50 F 12U 5% TU50 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO50 Tube
Vishay / Sfernice LTO050F25001FTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 50 F 25K 1% TU50 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO 25 kOhms 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 Thick Film Resistors Leaded Power Resistor, Thick Film Technology 3.2 mm
Vishay LTA030F10000FTE4
Vishay Thick Film Resistors - Through Hole
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

Tube
Vishay / Sfernice LTO030F18R00JTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 30 F 18U 5% TU50 e3
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

LTO 30 18 Ohms 30 W 5 % 150 PPM / C - 55 C + 150 C 500 V 10.4 mm Radial Tube 16.2 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 3.2 mm
Vishay / Sfernice LTO030F22001JTE3
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 30 F 22K 5% TU50 e3
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

LTO 30 22 kOhms 30 W 5 % 150 PPM / C - 55 C + 150 C 500 V 10.4 mm Radial Tube 16.2 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 3.2 mm