Part Number
    Please enter a valid full or partial manufacturer part number with a minimum of 3 letters or numbers

    IRFZ44 Search Results

    IRFZ44 Datasheets (149)

    Part ECAD Model Manufacturer Description Datasheet Type PDF PDF Size Page count
    IRFZ44
    International Rectifier Power MOSFET(Vdss=55V, Rds(on)=17.5mohm, Id=49A) Original PDF 105.22KB 8
    IRFZ44
    Philips Semiconductors N-channel enhancement mode TrenchMOS transistor Original PDF 65.63KB 8
    IRFZ44
    Toshiba Power MOSFETs Cross Reference Guide Original PDF 165.78KB 67
    IRFZ44
    Fairchild Semiconductor Advanced Power MOSFET Scan PDF 158.87KB 6
    IRFZ44
    International Rectifier HEXFET Power MOSFET Scan PDF 165.97KB 6
    IRFZ44
    International Rectifier HEXFET Power MOSFET Scan PDF 165.98KB 6
    IRFZ44
    International Rectifier TO-220 N-Channel HEXFET Power MOSFET Scan PDF 44.28KB 1
    IRFZ44
    Unknown Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. Historical PDF 42.12KB 1
    IRFZ44
    Unknown Shortform Datasheet & Cross References Data Short Form PDF 80.14KB 1
    IRFZ44
    Unknown Shortform IC and Component Datasheets (Plus Cross Reference Data) Short Form PDF 103.09KB 1
    IRFZ44
    Unknown FET Data Book Scan PDF 153.85KB 3
    IRFZ44A
    Fairchild Semiconductor Advanced Power MOSFET Original PDF 230.67KB 7
    IRFZ44A
    Toshiba Power MOSFETs Cross Reference Guide Original PDF 165.78KB 67
    IRFZ44A
    Fairchild Semiconductor Advanced Power MOSFET Scan PDF 159.17KB 6
    IRFZ44E
    International Rectifier 60V Single N-Channel HEXFET Power MOSFET in a TO-220AB package Original PDF 147.11KB 8
    IRFZ44E
    International Rectifier 60V Single N-Channel HEXFET Power MOSFET in a TO-220AB package; A IRFZ44E with Standard Packaging Original PDF 106.19KB 9
    IRFZ44E
    International Rectifier HEXFET Power MOSFET Original PDF 160.13KB 8
    IRFZ44E
    International Rectifier HEXFET Power MOSFET Original PDF 102.01KB 8
    IRFZ44E
    Toshiba Power MOSFETs Cross Reference Guide Original PDF 165.78KB 67
    IRFZ44E
    International Rectifier Over 600 obsolete distributor catalogs now available on the Datasheet Archive - Transistor, Field Effect, N-Channel, Power, 60V, 48A, Pkg Style TO-220AB Scan PDF 50.01KB 1
    ...
    SF Impression Pixel

    IRFZ44 Price and Stock

    Select Manufacturer

    Infineon Technologies AG IRFZ44NPBF

    MOSFET N-CH 55V 49A TO220AB
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey IRFZ44NPBF Tube 33,073 1
    • 1 $1.41
    • 10 $1.41
    • 100 $0.61
    • 1000 $0.42
    • 10000 $0.39
    Buy Now
    Avnet Americas () IRFZ44NPBF Bulk 18 Weeks, 3 Days 1
    • 1 $1.47
    • 10 $0.98
    • 100 $0.85
    • 1000 $0.64
    • 10000 $0.64
    Buy Now
    IRFZ44NPBF Tube 18 Weeks 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.26
    Buy Now
    Mouser Electronics IRFZ44NPBF 19,176
    • 1 $1.40
    • 10 $1.37
    • 100 $0.62
    • 1000 $0.44
    • 10000 $0.41
    Buy Now
    Newark () IRFZ44NPBF Bulk 3,711 1
    • 1 $0.44
    • 10 $0.44
    • 100 $0.44
    • 1000 $0.44
    • 10000 $0.40
    Buy Now
    IRFZ44NPBF Bulk 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.63
    • 10000 $0.59
    Buy Now
    Bristol Electronics IRFZ44NPBF 8,680
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    TME IRFZ44NPBF 205 1
    • 1 $1.06
    • 10 $0.90
    • 100 $0.56
    • 1000 $0.42
    • 10000 $0.40
    Buy Now
    Ameya Holding Limited IRFZ44NPBF 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    EBV Elektronik IRFZ44NPBF 19 Weeks 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now
    Win Source Electronics IRFZ44NPBF 140,030
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.18
    • 10000 $0.15
    Buy Now

    Infineon Technologies AG IRFZ44NSTRLPBF

    MOSFET N-CH 55V 49A D2PAK
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey () IRFZ44NSTRLPBF Cut Tape 8,440 1
    • 1 $1.72
    • 10 $1.26
    • 100 $0.90
    • 1000 $0.90
    • 10000 $0.90
    Buy Now
    IRFZ44NSTRLPBF Digi-Reel 8,440 1
    • 1 $1.72
    • 10 $1.26
    • 100 $0.90
    • 1000 $0.90
    • 10000 $0.90
    Buy Now
    IRFZ44NSTRLPBF Reel 8,000 800
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.62
    • 10000 $0.56
    Buy Now
    Mouser Electronics IRFZ44NSTRLPBF 21,766
    • 1 $1.69
    • 10 $1.24
    • 100 $0.88
    • 1000 $0.61
    • 10000 $0.56
    Buy Now
    Newark IRFZ44NSTRLPBF Cut Tape 6,186 1
    • 1 $0.57
    • 10 $0.57
    • 100 $0.57
    • 1000 $0.57
    • 10000 $0.57
    Buy Now
    Rochester Electronics IRFZ44NSTRLPBF 800 1
    • 1 -
    • 10 -
    • 100 $0.76
    • 1000 $0.63
    • 10000 $0.56
    Buy Now
    Chip One Stop IRFZ44NSTRLPBF Cut Tape 7,458 0 Weeks, 1 Days 1
    • 1 $2.00
    • 10 $1.28
    • 100 $0.87
    • 1000 $0.54
    • 10000 $0.47
    Buy Now
    EBV Elektronik IRFZ44NSTRLPBF 19 Weeks 800
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now
    Win Source Electronics IRFZ44NSTRLPBF 1,210
    • 1 -
    • 10 -
    • 100 $0.81
    • 1000 $0.62
    • 10000 $0.62
    Buy Now

    Vishay Siliconix IRFZ44PBF

    MOSFET N-CH 60V 50A TO220AB
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey IRFZ44PBF Tube 5,174 1
    • 1 $1.80
    • 10 $1.80
    • 100 $1.12
    • 1000 $1.12
    • 10000 $1.12
    Buy Now
    RS IRFZ44PBF Bulk 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 $2.13
    • 10000 $2.03
    Get Quote
    New Advantage Corporation IRFZ44PBF 12,600 1
    • 1 -
    • 10 -
    • 100 -
    • 1000 $1.53
    • 10000 $1.53
    Buy Now

    UMW UMWIRFZ44N

    MOSFET N-CH 60V 50A TO220
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey UMWIRFZ44N Tube 1,310 1
    • 1 $1.21
    • 10 $0.76
    • 100 $0.50
    • 1000 $0.35
    • 10000 $0.27
    Buy Now

    Vishay Siliconix IRFZ44STRLPBF

    MOSFET N-CH 60V 50A D2PAK
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey () IRFZ44STRLPBF Cut Tape 1,292 1
    • 1 $2.94
    • 10 $2.27
    • 100 $1.59
    • 1000 $1.59
    • 10000 $1.59
    Buy Now
    IRFZ44STRLPBF Digi-Reel 1,292 1
    • 1 $2.94
    • 10 $2.27
    • 100 $1.59
    • 1000 $1.59
    • 10000 $1.59
    Buy Now
    IRFZ44STRLPBF Reel 800 800
    • 1 -
    • 10 -
    • 100 -
    • 1000 $1.16
    • 10000 $1.12
    Buy Now
    New Advantage Corporation IRFZ44STRLPBF 800 1
    • 1 -
    • 10 -
    • 100 -
    • 1000 $1.65
    • 10000 $1.65
    Buy Now

    IRFZ44 Datasheets Context Search

    Catalog Datasheet Type Document Tags PDF

    Contextual Info: IRFZ44S_RC, IRFZ44L_RC, SiHFZ44S_RC, SiHFZ44LL_RC Vishay Siliconix R-C Thermal Model Parameters DESCRIPTION The parametric values in the R-C thermal model have been derived using curve-fitting techniques. R-C values for the electrical circuit in the Foster/tank and Cauer/filter


    Original
    IRFZ44S IRFZ44L SiHFZ44S SiHFZ44LL AN609, THERMAZ44S 9021m 9076m 0860m PDF

    IRFZ44L

    Abstract: IRFZ44S SiHFZ44L SiHFZ44S IRFZ44 data
    Contextual Info: IRFZ44S, IRFZ44L, SiHFZ44S, SiHFZ44L Vishay Siliconix Power MOSFET FEATURES PRODUCT SUMMARY VDS V • Halogen-free According to IEC 61249-2-21 Definition • Advanced Process Technology • Surface Mount (IRFZ44S, SiHFZ44S) • Low-Profile Through-Hole (IRFZ44L, SiHFZ44L)


    Original
    IRFZ44S, IRFZ44L, SiHFZ44S SiHFZ44L 2002/95/EC 11-Mar-11 IRFZ44L IRFZ44S IRFZ44 data PDF

    IRF530S

    Abstract: IRFZ44VL IRFZ44VS IRL3103L
    Contextual Info: PD - 94050A IRFZ44VS IRFZ44VL l l l l l l l Advanced Process Technology Ultra Low On-Resistance Dynamic dv/dt Rating 175°C Operating Temperature Fast Switching Fully Avalanche Rated Optimized for SMPS Applications HEXFET Power MOSFET D VDSS = 60V RDS on = 16.5mΩ


    Original
    4050A IRFZ44VS IRFZ44VL EIA-418. IRF530S IRFZ44VL IRFZ44VS IRL3103L PDF

    MOSFET IRFZ44N

    Abstract: irfz44n pin of IRFZ44N IRFZ44N MOSFET OF IRFZ44N for irfz44n
    Contextual Info: IRFZ44N N-Channel Enhancement-Mode MOSFET VDS 55V RDS ON 20mΩ ID 49A H C t EN ET c R u T NF rod P GE New D TM G TO-220AB 0.185 (4.70) 0.170 (4.31) 0.154 (3.91) Dia. 0.142 (3.60) 0.415 (10.54) Max. 0.055 (1.39) 0.045 (1.14) 0.113 (2.87) 0.102 (2.56) * 0.155 (3.93)


    Original
    IRFZ44N O-220AB 100ms MOSFET IRFZ44N irfz44n pin of IRFZ44N IRFZ44N MOSFET OF IRFZ44N for irfz44n PDF

    Contextual Info: IRFZ44R, SiHFZ44R Vishay Siliconix Power MOSFET FEATURES PRODUCT SUMMARY VDS V 60 RDS(on) (Ω) VGS = 10 V Qg (Max.) (nC) 0.028 67 Qgs (nC) 18 Qgd (nC) 25 Configuration Single D TO-220AB G G D S S N-Channel MOSFET • • • • • • • Advanced Process Technology


    Original
    IRFZ44R, SiHFZ44R O-220AB IRFZ44, SiHFZ44 2002/95/EC 2002/95/EC. 2002/95/EC 2011/65/EU. JS709A PDF

    Contextual Info: PD - 94943 IRFZ44PbF • Lead-Free 01/14/04 Document Number: 91291 www.vishay.com 1 IRFZ44PbF Document Number: 91291 www.vishay.com 2 IRFZ44PbF Document Number: 91291 www.vishay.com 3 IRFZ44PbF Document Number: 91291 www.vishay.com 4 IRFZ44PbF Document Number: 91291


    Original
    IRFZ44PbF O-220AB 08-Mar-07 PDF

    AN-994

    Abstract: IRFZ44NL IRFZ44NS
    Contextual Info: PD - 94153 Advanced Process Technology Surface Mount IRFZ44NS l Low-profile through-hole (IRFZ44NL) l 175°C Operating Temperature l Fast Switching l Fully Avalanche Rated Description IRFZ44NS IRFZ44NL l HEXFET Power MOSFET l Advanced HEXFET® Power MOSFETs from International


    Original
    IRFZ44NS) IRFZ44NL) IRFZ44NS IRFZ44NL AN-994 IRFZ44NL IRFZ44NS PDF

    IRFZ44VZ

    Abstract: marking 34A IRFZ44VZL IRFZ44VZS IRFZ44
    Contextual Info: PD - 94755 IRFZ44VZ IRFZ44VZS IRFZ44VZL AUTOMOTIVE MOSFET Features ● ● ● ● ● HEXFET Power MOSFET Advanced Process Technology Ultra Low On-Resistance 175°C Operating Temperature Fast Switching Repetitive Avalanche Allowed up to Tjmax D VDSS = 60V


    Original
    IRFZ44VZ IRFZ44VZS IRFZ44VZL AN-994. O-220AB IRFZ44VZ marking 34A IRFZ44VZL IRFZ44VZS IRFZ44 PDF

    IRFZ44N APPLICATION NOTE

    Abstract: dc motor irfz44n IRFz44n equivalent datasheet of irfz44n MOSFET IRFZ44N IRFZ44N datasheet for irfz44n pin of IRFZ44N IRFZ44N DATASHEET 0010T2
    Contextual Info: IRFZ44N ! N-CHANNEL Power MOSFET APPLICATION FEATURES ‹ ‹Ultra Low ON Resistance Buck Converter High Side Switch ‹DC motor control , Ups .etc , & other Application RDS ON Max. VDSS 55V 17.5mȍ ‹Low Gate Charge ‹ Dynamic dv/dt Rating ID ‹ Inductive Switching Curves


    Original
    IRFZ44N O-220 IRFZ44N APPLICATION NOTE dc motor irfz44n IRFz44n equivalent datasheet of irfz44n MOSFET IRFZ44N IRFZ44N datasheet for irfz44n pin of IRFZ44N IRFZ44N DATASHEET 0010T2 PDF

    IRF Power MOSFET code marking

    Abstract: IRFZ44 IRFZ44Z AN-994 IRFZ44ZL IRFZ44ZS
    Contextual Info: PD - 94797 IRFZ44Z IRFZ44ZS IRFZ44ZL AUTOMOTIVE MOSFET Features O O O O O O Advanced Process Technology Ultra Low On-Resistance Dynamic dv/dt Rating 175°C Operating Temperature Fast Switching Repetitive Avalanche Allowed up to Tjmax HEXFET Power MOSFET


    Original
    IRFZ44Z IRFZ44ZS IRFZ44ZL O-220AB IRF Power MOSFET code marking IRFZ44 IRFZ44Z AN-994 IRFZ44ZL IRFZ44ZS PDF

    1RFZ44

    Abstract: 1RL520 1RFZ22 IRFZ30 IRFZ41 1RFZ40 IRF145 1RL540 IRFZ45 1xys
    Contextual Info: - f f t * £ fê Ta=25^ M € tí: € t V d s Vg s or Vd g * (V) 1RFZ35 1RFZ40 IR IR N N IRFZ42 IRFZ44 1RFZ45 IRH150 IRH254 1RH450 IR IR ¡R IR IR IR N N N N N N IRL51Q 1RL52Q IRL530 IRL540 IRLZ14 1RLZ24 IRLZ34 1RLZ44 1XTH5N100 IR IR IR IR IR IR IR IR IXYS


    OCR Scan
    Ta-25Â IRFZ35 O-220AB 1RFZ40 IRFZ42 3TO-220 IRL510 O-220 IRL511 1RFZ44 1RL520 1RFZ22 IRFZ30 IRFZ41 IRF145 1RL540 IRFZ45 1xys PDF

    IRFZ44ND

    Abstract: n 308 al N-CHANNEL ENHANCEMENT MODE POWER MOSFET
    Contextual Info: IRFZ44ND N-Channel Enhancement-Mode MOSFET Die VDS 55V RDS ON 20mΩ ID 49A Chip Geometry H C EN ET R T NF duct GE ew Pro N D TM Source G Gate S Physical Characteristics Features • Die size : 4040 X 1890µm (159 X 74.4 mils) • Metalization: Top: Al/Si/Cu


    Original
    IRFZ44ND 100ms IRFZ44ND n 308 al N-CHANNEL ENHANCEMENT MODE POWER MOSFET PDF

    Contextual Info: N-CHANNEL POWER MOSFETS IRFZ44/40 FEATURES • Lower R ds<on • Im proved inductive ruggedness • Fast switching times • Rugged polysilicon gate cell structure • Lower input capacitance • Extended safe operating area • Improved high tem perature reliability


    OCR Scan
    IRFZ44/40 IRFZ44 IRFZ40 7Tb4142 PDF

    AN-994

    Abstract: IRFZ44Z IRFZ44ZL IRFZ44ZS
    Contextual Info: PD - 95379 IRFZ44ZPbF IRFZ44ZSPbF IRFZ44ZLPbF AUTOMOTIVE MOSFET Features O O O O O O O Advanced Process Technology Ultra Low On-Resistance Dynamic dv/dt Rating 175°C Operating Temperature Fast Switching Repetitive Avalanche Allowed up to Tjmax Lead-Free HEXFET Power MOSFET


    Original
    IRFZ44ZPbF IRFZ44ZSPbF IRFZ44ZLPbF EIA-418. O-220AB AN-994 IRFZ44Z IRFZ44ZL IRFZ44ZS PDF

    IRFZ44 mosfet

    Abstract: IRFZ44 equivalent IRFZ44L IRFZ44S SiHFZ44L SiHFZ44L-E3 SiHFZ44S SiHFZ44S-E3 IRFZ44 TO-263
    Contextual Info: IRFZ44S, IRFZ44L, SiHFZ44S, SiHFZ44L Vishay Siliconix Power MOSFET FEATURES PRODUCT SUMMARY VDS V • • • • • • 60 RDS(on) (Ω) VGS = 10 V 0.028 Qg (Max.) (nC) 67 Qgs (nC) 18 Qgd (nC) 25 Configuration Single COMPLIANT Third generation Power MOSFETs from Vishay utilize


    Original
    IRFZ44S, IRFZ44L, SiHFZ44S SiHFZ44L 18-Jul-08 IRFZ44 mosfet IRFZ44 equivalent IRFZ44L IRFZ44S SiHFZ44L-E3 SiHFZ44S-E3 IRFZ44 TO-263 PDF

    Contextual Info: , One. TELEPHONE: 973 376-2922 20 STERN AVE. SPRINGFIELD, NEW JERSEY 07081 U.S.A. (212)227-6005 FAX: (973) 376-8960 IRFZ44 Advanced Power MOSFET FEATURES » » » » Avalanche Rugged Technology Rugged Gate Oxide Technology Lower Input Capacitance Improved Gate Charge


    Original
    IRFZ44 O-220 50A/us, 250ns, PDF

    1XYS

    Abstract: 1RFZ40 IRFZ41 1XTH5N100 1RLZ34 IRFZ35 IRFZ42 IRFZ44 IRH254 IRL510
    Contextual Info: - f M € tí: € ft t V ds Vg s or Vd g * V (V) 1RFZ35 1RFZ40 IR IR N N IRFZ42 IRFZ44 1RFZ45 IRH150 IRH254 1RH450 IR IR ¡R IR IR IR N N N N N N 50 60 60 100 250 500 IRL51Q 1RL52Q IRL530 IRL540 IRLZ14 1RLZ24 IRLZ34 1RLZ44 1XTH5N100 IR IR IR IR IR IR IR


    OCR Scan
    Ta-25Â IRFZ35 O-220AB 1RFZ40 IRFZ42 T0-247 IXTH6N80A O-247 IXTH10N100 1XYS IRFZ41 1XTH5N100 1RLZ34 IRFZ44 IRH254 IRL510 PDF

    Contextual Info: IRFZ44S, IRFZ44L, SiHFZ44S, SiHFZ44L Vishay Siliconix Power MOSFET FEATURES PRODUCT SUMMARY VDS V • Halogen-free According to IEC 61249-2-21 Definition • Advanced Process Technology • Surface Mount (IRFZ44S, SiHFZ44S) • Low-Profile Through-Hole (IRFZ44L, SiHFZ44L)


    Original
    IRFZ44S, IRFZ44L, SiHFZ44S SiHFZ44L 2002/95/EC 18-Jul-08 PDF

    Contextual Info: IRFZ44S, IRFZ44L, SiHFZ44S, SiHFZ44L Vishay Siliconix Power MOSFET FEATURES PRODUCT SUMMARY VDS V • Halogen-free According to IEC 61249-2-21 Definition • Advanced Process Technology • Surface Mount (IRFZ44S, SiHFZ44S) • Low-Profile Through-Hole (IRFZ44L, SiHFZ44L)


    Original
    IRFZ44S, IRFZ44L, SiHFZ44S SiHFZ44L 2002/95/EC 11-Mar-11 PDF

    IRFZ44RPBF

    Abstract: IRFZ44
    Contextual Info: PD - 94823 IRFZ44RPbF Advanced Process Technology l Ultra Low On-Resistance l Dynamic dv/dt Rating l 175°C Operating Temperature l Fast Switching l Fully Avalanche Rated l Drop in Replacement of the IRFZ44 for Linear/Audio Applications l Lead-Free Description


    Original
    IRFZ44RPbF IRFZ44 O-220AB. O-220AB IRFZ44RPBF IRFZ44 PDF

    IRFZ44NPBF

    Abstract: IRF (10A) 55V IRF1010
    Contextual Info: PD - 94787 IRFZ44NPbF Advanced Process Technology Ultra Low On-Resistance Dynamic dv/dt Rating 175°C Operating Temperature Fast Switching Fully Avalanche Rated Lead-Free HEXFET Power MOSFET D VDSS = 55V RDS on = 17.5mΩ G ID = 49A S Description Advanced HEXFET® Power MOSFETs from International


    Original
    IRFZ44NPbF O-220 O-220AB IRF1010 IRFZ44NPBF IRF (10A) 55V IRF1010 PDF

    Contextual Info: PD - 95561 l l l l l l l l Advanced Process Technology Ultra Low On-Resistance Dynamic dv/dt Rating 175°C Operating Temperature Fast Switching Fully Avalanche Rated Optimized for SMPS Applications Lead-Free IRFZ44VSPbF IRFZ44VLPbF HEXFET Power MOSFET D


    Original
    IRFZ44VSPbF IRFZ44VLPbF EIA-418. PDF

    Contextual Info: PD - 94826A IRFZ44VPbF l l l l l l l l Advanced Process Technology Ultra Low On-Resistance Dynamic dv/dt Rating 175°C Operating Temperature Fast Switching Fully Avalanche Rated Optimized for SMPS Applications Lead-Free HEXFET Power MOSFET D VDSS = 60V RDS on = 16.5mΩ


    Original
    4826A IRFZ44VPbF PDF

    IRFZ44

    Abstract: IRFZ45 IRFZ44 mosfet IRFZ42 IRFZ44 MOSFETs IRFz44 n-channel MOSFET IRFZ40
    Contextual Info: IRFZ44/45 IRFZ40/42 N-CHANNEL POWER MOSFETS FEATURES • • • • • • • Lower R d s o n Improved inductive ru gge d n e ss Fast sw itching tim es R u g g e d polysilicon gate cell structure Lower input capacitance Extended safe operating area Improved high temperature reliability


    OCR Scan
    IRFZ44/45 IRFZ40/42 IRFZ44 IRFZ45 IRFZ40 IRFZ42 IRFZ44 mosfet IRFZ44 MOSFETs IRFz44 n-channel MOSFET PDF