Transistors & MOSFETsCode 3e5ffb3012
TK17A80W N-Channel Power MOSFET
Marked "K17A80W" on the package with Toshiba's logo (the "T" prefix is dropped in the on-body marking), this is Toshiba's TK17A80W, an N-channel MOSFET rated…
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Highlights
- Switching voltage regulators
- Offline SMPS and flyback converters
- High-voltage (800V-class) power switching designs
- 1 x Toshiba TK17A80W N-Channel Power MOSFET (TO-220SIS)
Specifications
- Type
- N-Channel Enhancement Mode Power MOSFET (Super Junction / DTMOSIV)
- Manufacturer
- Toshiba Semiconductor
- Package Marking
- K17A80W
- Drain-Source Voltage (VDSS)
- 800V
- Continuous Drain Current (ID)
- 17A
- Gate Threshold Voltage (Vth)
- 3.0 to 4.0V
- Avalanche Current (IAS)
- 3.4A
- Max Channel Temperature
- 150°C
- Process
- DTMOSIV (super junction structure)
About this product
Description
Marked "K17A80W" on the package with Toshiba's logo (the "T" prefix is dropped in the on-body marking), this is Toshiba's TK17A80W, an N-channel MOSFET rated 800V with an on-resistance of 0.29Ω at 10V gate drive, built in the TO-220SIS package on Toshiba's DTMOSIV process. The isolated TO-220SIS outline simplifies mounting to a heatsink without a separate insulating pad.
Key features include a low typical drain-source on-resistance of RDS(ON) = 0.25Ω, achieved through a super junction structure (DTMOS), easy gate switching control, and enhancement-mode operation with a gate threshold voltage of 3.0 to 4.0V (VDS = 10V, ID = 0.85mA). Testing conditions for avalanche rating use VDD = 90V, initial channel temperature of 25°C, L = 74.5mH, RG = 25Ω, with an avalanche current (IAS) of 3.4A, and the channel temperature must not exceed 150°C. As with other DTMOS-series parts, it's intended primarily for switching voltage regulator applications.
Key Specifications
•RDS(ON), typical: 0.25Ω
Common Applications
Package Includes
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