ST's 550 V and 650 V MDmesh M5 super-junction high-voltage MOSFETs are optimized for high-power PFC and PWM topologies in hard-switching applications, such as solar power converters, power supplies for consumer products, electronic lighting controls and EV/HEV.
Our MDmesh M5 high-voltage MOSFET portfolio enables new generations of energy-conscious, compact and reliable electronic products, thanks to low on-state losses per silicon area combined with low gate charge (Qg) in a wide range of packages. This includes the new 4-lead TO247-4 package which features a dedicated control pin for increased switching efficiency, the 1-mm-high surface-mount PowerFLAT 8x8 HV and the PowerFLAT 5x6 HV featuring an exposed metal drain pad for efficient heat dissipation. These power MOSFETs belong to the STPOWER family.
STPOWER MOSFET key features and benefits
- Extremely low RDS(on) for increased efficiency and more compact designs
- Optimized trade-off between RDS(on) and capacitance profiles for increased performance in high-power PFC
Combined with state-of-the art packaging and protections for high reliability and safety, our wide STPOWER product portfolio helps designers find the right solutions for customized, high-efficiency applications that will last a long lifetime.

Featured Videos
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STF8N65M5
N-channel 650 V, 0.56 Ohm typ., 7 A MDmesh M5 Power MOSFET in TO-220FP package
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STW77N65M5
N-channel 650 V, 0.033 Ohm typ, 69 A MDmesh M5 Power MOSFET in TO-247 package
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STP42N65M5
N-channel 650 V, 0.070 Ohm typ., 33 A MDmesh M5 Power MOSFET in TO-220 package
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STD18N55M5
N-channel 550 V, 0.150 Ohm typ., 16 A MDmesh M5 Power MOSFET in DPAK package
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STW45N65M5
N-channel 650 V, 0.067 Ohm typ., 35 A MDmesh M5 Power MOSFET in TO-247 package
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STB32N65M5
N-channel 650 V, 0.095 Ohm, 24 A MDmesh M5 Power MOSFET in D2PAK package
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STP18N55M5
N-channel 550 V, 0.150 Ohm typ., 16 A, MDmesh(TM) V Power MOSFET in TO-220 package
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STD8N65M5
N-channel 650 V, 0.56 Ohm typ., 7 A MDmesh M5 Power MOSFET in DPAK package
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STF45N65M5
N-channel 650 V, 0.067 Ohm typ., 35 A MDmesh M5 Power MOSFET in TO-220FP package
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STW62N65M5
Automotive-grade N-channel 650 V, 0.041 Ohm typ., 46 A MDmesh M5 Power MOSFET in a TO-247 package
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STB43N65M5
Automotive-grade N-channel 650 V, 0.058 Ohm typ., 42 A MDmesh M5 Power MOSFET in a D2PAK package
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STI20N65M5
N-channel 650 V, 0.160 Ohm typ., 18 A MDmesh M5 Power MOSFET in I2PAK package
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STD18N65M5
N-channel 650 V, 0.198 Ohm typ., 15 A MDmesh M5 Power MOSFET in DPAK package
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STB18N65M5
N-channel 650 V, 0.198 Ohm typ., 15 A MDmesh M5 Power MOSFET in D2PAK package
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STL18N65M5
N-channel 650 V, 0.215 Ohm typ, 15 A MDmesh M5 Power MOSFET in a PowerFLAT 5x6 HV package
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STW31N65M5
N-channel 650 V, 0.124 Ohm typ., 22 A MDmesh M5 Power MOSFET in TO-247 package
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STD15N65M5
N-channel 650 V, 0.308 Ohm typ., 11 A MDmesh M5 Power MOSFET in DPAK package
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STB31N65M5
N-channel 650 V, 0.124 Ohm typ., 22 A MDmesh M5 Power MOSFET in D2PAK package
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STL36N55M5
N-channel 550 V, 0.066 Ohm typ., 22.5 A MDmesh M5 Power MOSFET in a PowerFLAT 8x8 HV package
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STF57N65M5
N-channel 650 V, 0.056 Ohm typ., 42 A MDmesh M5 Power MOSFET in TO-220FP package
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STP16N65M5
N-channel 650 V, 0.230 Ohm typ., 12 A MDmesh M5 Power MOSFET in TO-220 package
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STW69N65M5
N-channel 650 V, 0.037 Ohm typ., 58 A MDmesh M5 Power MOSFET in TO-247 package
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STF31N65M5
N-channel 650 V, 0.124 Ohm typ., 22 A MDmesh M5 Power MOSFET in TO-220FP package
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STP31N65M5
N-channel 650 V, 0.124 Ohm typ., 22 A MDmesh M5 Power MOSFET in TO-220 package
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STF21N65M5(045Y)
N-channel 650 V, 0.150 Ohm typ., 17 A MDmesh(TM) V Power MOSFET in TO-220FP narrow leads package
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STFW69N65M5
N-channel 650 V, 0.037 Ohm typ., 58 A MDmesh M5 Power MOSFET in TO-3PF package
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STP18N65M5
N-channel 650 V, 0.198 Ohm typ., 15 A MDmesh M5 Power MOSFET in TO-220 package
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STW42N65M5
N-channel 650 V, 0.070 Ohm typ., 33 A MDmesh M5 Power MOSFET in TO-247 package
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STWA57N65M5
N-channel 650 V, 0.056 Ohm typ., 42 A MDmesh M5 Power MOSFET in TO-247 long leads package
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STB20N65M5
N-channel 650 V, 0.160 Ohm typ., 18 A MDmesh M5 Power MOSFET in D2PAK package
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STP12N65M5
N-channel 650 V, 0.39 Ohm typ., 8.5 A MDmesh M5 Power MOSFET in TO-220 package
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STF12N65M5
N-channel 650 V, 0.39 Ohm typ., 8.5 A MDmesh M5 Power MOSFET in TO-220FP package
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STL21N65M5
N-channel 650 V, 0.175 Ohm typ., 2.7 A MDmesh M5 power MOSFET in a PowerFLAT 8x8 HV package
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STB35N65M5
N-channel 650 V, 0.085 Ohm, 27 A MDmesh M5 Power MOSFET in D2PAK package
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STF21N65M5
N-channel 650 V, 0.150 Ohm typ., 17 A MDmesh M5 Power MOSFET in TO-220FP package
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STI21N65M5
N-channel 650 V, 0.150 Ohm typ., 17 A MDmesh M5 Power MOSFET in I2PAK package
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STY145N65M5
N-channel 650 V, 0.012 Ohm typ., 138 A MDmesh M5 Power MOSFET in a Max247 package
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STF11N65M5
N-channel 650 V, 0.43 Ohm typ., 9 A MDmesh M5 Power MOSFET in TO-220FP package
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STW57N65M5
N-channel 650 V, 0.056 Ohm typ., 42 A MDmesh M5 Power MOSFET in TO-247 package
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STP11N65M5
N-channel 650 V, 0.43 Ohm typ., 9 A MDmesh M5 Power MOSFET in TO-220 package
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STP57N65M5
N-channel 650 V, 0.056 Ohm typ., 42 A MDmesh M5 Power MOSFET in TO-220 package
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STW18N65M5
N-channel 650 V, 0.198 Ohm typ., 15 A MDmesh M5 Power MOSFET in TO-247 package
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STP45N65M5
N-channel 650 V, 0.067 Ohm typ., 35 A MDmesh M5 Power MOSFET in TO-220 package
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STW78N65M5
Automotive-grade N-channel 650 V, 0.024 Ohm typ., 69 A MDmesh M5 Power MOSFET in a TO-247 package
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STB45N65M5
N-channel 650 V, 0.067 Ohm typ., 35 A MDmesh M5 Power MOSFET in D2PAK package
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STL57N65M5
N-channel 650 V, 0.061 Ohm typ., 22.5 A MDmesh M5 Power MOSFET in a PowerFLAT 8x8 HV package
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STW34N65M5
N-channel 650 V, 0.09 Ohm typ., 28 A MDmesh M5 Power MOSFET in TO-247 package
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STP34N65M5
N-channel 650 V, 0.09 Ohm typ., 28 A MDmesh M5 Power MOSFET in TO-220 package
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STWA88N65M5
N-channel 650 V, 0.024 Ohm typ., 84 A MDmesh M5 Power MOSFET in TO-247 long leads package
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STF34N65M5
N-channel 650 V, 0.09 Ohm typ., 28 A MDmesh M5 Power MOSFET in TO-220FP package
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STWA45N65M5
N-channel 650 V, 0.067 Ohm typ., 35 A MDmesh M5 Power MOSFET in TO-247 long leads package
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STB34N65M5
N-channel 650 V, 0.09 Ohm typ., 28 A MDmesh M5 Power MOSFET in D2PAK package
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STL15N65M5
N-channel 650 V, 0.335 Ohm typ., 10 A MDmesh M5 Power MOSFET in a PowerFLAT 5x6 HV package
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STD16N65M5
N-channel 650 V, 0.230 Ohm typ., 12 A MDmesh M5 Power MOSFET in DPAK pakage
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STF16N65M5
N-channel 650 V, 0.230 Ohm typ., 12 A MDmesh M5 Power MOSFET in TO-220FP package
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STF15N65M5
N-channel 650 V, 0.308 Ohm typ., 11 A MDmesh M5 Power MOSFET in TO-220FP package
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STP15N65M5
N-channel 650 V, 0.308 Ohm typ., 11 A MDmesh M5 Power MOSFET in TO-220 package
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STB8N65M5
N-channel 650 V, 0.56 Ohm typ., 7 A MDmesh M5 Power MOSFET in D2PAK package
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STY139N65M5
N-channel 650 V, 0.014 Ohm typ., 130 A MDmesh M5 Power MOSFET in Max247 package
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STFW45N65M5
N-channel 650 V, 0.067 Ohm typ., 35 A, MDmesh M5 Power MOSFET in TO-3PF package
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STL45N65M5
N-channel 650 V, 0.075 Ohm typ., 22.5 A MDmesh M5 Power MOSFET in a PowerFLAT 8x8 HV package
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STD11N65M5
N-channel 650 V, 0.43 Ohm typ., 9 A MDmesh M5 Power MOSFET in DPAK package
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STL38N65M5
N-channel 650 V, 0.09 Ohm typ., 22.5 A, MDmesh M5 Power MOSFET in a PowerFLAT 8x8 HV package
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STB11N65M5
N-channel 650 V, 0.43 Ohm typ., 9 A MDmesh M5 Power MOSFET in D2PAK package
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STE145N65M5
N-channel 650 V, 0.012 Ohm typ., 143 A MDmesh M5 Power MOSFET in an ISOTOP package
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STW20N65M5
N-channel 650 V, 0.160 Ohm typ., 18 A MDmesh M5 Power MOSFET in TO-247 package
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STP20N65M5
N-channel 650 V, 0.160 Ohm typ., 18 A MDmesh M5 Power MOSFET in TO-220 package
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STW57N65M5-4
N-channel 650 V, 0.056 Ohm typ., 42 A MDmesh M5 Power MOSFET in a TO247-4 package
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STW69N65M5-4
N-channel 650 V, 0.037 Ohm typ., 58 A MDmesh M5 Power MOSFET in a TO247-4 package
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STB57N65M5
N-channel 650 V, 0.056 Ohm typ., 42 A MDmesh M5 Power MOSFET in D2PAK package
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STF20N65M5
N-channel 650 V, 0.160 Ohm typ., 18 A MDmesh M5 Power MOSFET in TO-220FP package
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STP30N65M5
N-channel 650 V, 0.125 Ohm typ., 22 A MDmesh M5 Power MOSFET in TO-220 package
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STW30N65M5
N-channel 650 V, 0.125 Ohm typ., 22 A MDmesh M5 Power MOSFET in TO-247 package
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STB42N65M5
N-channel 650 V, 0.070 Ohm typ., 33 A MDmesh M5 Power MOSFET in D2PAK package
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STB21N65M5
N-channel 650 V, 0.150 Ohm typ., 17 A MDmesh M5 Power MOSFET in D2PAK package
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STF42N65M5
N-channel 650 V, 0.070 Ohm typ., 33 A MDmesh M5 Power MOSFET in TO-220FP package
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STB30N65M5
N-channel 650 V, 0.125 Ohm typ., 22 A MDmesh M5 Power MOSFET in D2PAK package
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STY112N65M5
N-channel 650 V, 0.019 Ohm typ., 96 A MDmesh M5 Power MOSFET in a Max247 package
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STP21N65M5
N-channel 650 V, 0.150 Ohm typ., 17 A MDmesh M5 Power MOSFET in TO-220 package
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STE88N65M5
N-channel 650 V, 0.024 Ohm typ., 88 A MDmesh M5 Power MOSFET in a ISOTOP package
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STW88N65M5
N-channel 650 V, 0.024 Ohm typ., 84 A MDmesh M5 Power MOSFET in TO-247 package
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STW38N65M5-4
N-channel 650 V, 0.073 Ohm typ., 30 A MDmesh M5 Power MOSFET in a TO247-4 package
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STFW38N65M5
N-channel 650 V, 0.073 Ohm typ., 30 A MDmesh M5 Power MOSFET in TO-3PF package
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STW88N65M5-4
N-channel 650 V, 0.024 Ohm typ., 84 A MDmesh M5 Power MOSFET in a TO247-4 package
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STW38N65M5
N-channel 650 V, 0.073 Ohm typ., 30 A MDmesh M5 Power MOSFET in TO-247 package
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STP38N65M5
N-channel 650 V, 0.073 Ohm typ., 30 A MDmesh m5 Power MOSFET in TO-220 package
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STL22N65M5
N-channel 650 V, 0.198 Ohm typ., 15 A MDmesh M5 Power MOSFET in a PowerFLAT 8x8 HV package
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STF38N65M5
N-channel 650 V, 0.073 Ohm typ., 30 A MDmesh M5 Power MOSFET in TO-220FP package
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STB38N65M5
N-channel 650 V, 0.073 Ohm typ., 30 A MDmesh M5 Power MOSFET in D2PAK package
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STL11N65M5
N-channel 650 V, 0.475 Ohm typ., 8.5 A MDmesh M5 Power MOSFET in a PowerFLAT 5x5 HV package
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STL31N65M5
N-channel 650 V, 0.135 Ohm typ., 15 A MDmesh M5 Power MOSFET in a PowerFLAT 8x8 HV package