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 50 F 40U 5% TU50 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO 40 Ohms 50 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 Thick Film Resistors - Through Hole 4.7ohms 5%
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO 50 4.7 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 LTO 50 F U015 5% TU50 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO50 15 mOhms 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 LTO 50 F U15 5% TU50 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO50 150 mOhms 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 LTO 50 F U2 5% TU50 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO50 200 mOhms 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 LTO 100 F 100K 10% TU30 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO100 Tube
Vishay / Sfernice Thick Film Resistors - Through Hole 1.5K OHM 1% 350PPM 100W
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO 1.5 kOhms 100 W 1 % 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 1U5 5% TU30 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO100 1.5 Ohms 100 W 5 % 150 PPM / C - 55 C + 175 C 375 V 15.76 mm Radial Tube 20.7 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 200U 1% TU30 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO100 200 Ohms 100 W 1 % 150 PPM / C - 55 C + 175 C 375 V 15.76 mm Radial Tube 20.7 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 200U 5% TU30 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO 200 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 100W 2.5 Ohms 1% TO-247
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 120
Mult.: 30

LTO 100 2.5 Ohms 100 W 1 % 150 PPM / C - 55 C + 175 C 375 V 15.76 mm Radial Tube 20.7 mm 0.6 mm 10.16 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 100W 30 Ohms 1% TO-247
Datasheet
Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO 100 Tube
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 100 F 330U 1% TU30 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO 330 Ohms 100 W 1 % 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 330U 5% TU30 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO100 330 Ohms 100 W 5 % 150 PPM / C - 55 C + 175 C 375 V 15.76 mm Radial Tube 20.7 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 33U 10% TU30 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO100 33 Ohms 100 W 10 % 150 PPM / C - 55 C + 175 C 375 V 15.76 mm Radial Tube 20.7 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 40U2 1% TU30 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 120
Mult.: 30

LTO100 Tube
Vishay / Sfernice Thick Film Resistors - Through Hole LTO 100 F 470U 5% TU30 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO100 470 Ohms 100 W 5 % 150 PPM / C - 55 C + 175 C 375 V 15.76 mm Radial Tube 20.7 mm 10.16 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 4.99 OHM 1% 350PPM 100W
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 120
Mult.: 30

LTO 4.99 Ohms 100 W 1 % 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 50K 1% TU30 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 120
Mult.: 30

LTO 50 kOhms 100 W 1 % 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 60U 1% TU30 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 120
Mult.: 30

LTO 60 Ohms 100 W 1 % 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 680U 1% TU30 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO 680 Ohms 100 W 1 % 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 71U5 2% TU30 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 120
Mult.: 30

LTO 71.5 Ohms 100 W 2 % 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 82U 1% TU30 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO 82 Ohms 100 W 1 % 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 91U 1% TU30 e3
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO 91 Ohms 100 W 1 % 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 .047ohms 5%
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

LTO 100 47 mOhms 100 W 5 % 150 PPM / C - 55 C + 175 C 375 V 15.76 mm Radial Tube 20.7 mm 10.16 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 5 mm