FDB8444 Price & Stock
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Manufacturer

Discrete Semiconductor Products > Transistors - FETs, MOSFETs - Single
MOSFET N-CH 40V 70A TO-263AB
Specifications
Series | PowerTrench® |
Part Status | Active |
FET Type | MOSFET N-Channel, Metal Oxide |
FET Feature | Standard |
Drain to Source Voltage (Vdss) | 40V |
Current - Continuous Drain (Id) @ 25°C | 70A (Tc) |
Rds On (Max) @ Id, Vgs | 5.5 mOhm @ 70A, 10V |
Vgs(th) (Max) @ Id | 4V @ 250µA |
Gate Charge (Qg) @ Vgs | 128nC @ 10V |
Input Capacitance (Ciss) @ Vds | 8035pF @ 25V |
Power - Max | 167W |
Operating Temperature | -55°C ~ 175°C (TJ) |
Mounting Type | Surface Mount |
Package / Case | TO-263-3, D²Pak (2 Leads + Tab), TO-263AB |
Supplier Device Package | TO-263AB |
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Hotenda Technology
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Mouser
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Rochester Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
FDB8444 | Fairchild | Power Field-Effect Transistor, 70A, 40V, 9.9ohm, N-Channel, MOSFET, TO-263AB ' | 56907 |
|
Buy | ||||||||||
FDB8444TS | Fairchild | 20A, 40V, N-Channel Power MOSFET, TO-263AA | 5 |
|
Buy | ||||||||||
FDB8444-F085 | onsemi | Power Field-Effect Transistor, 70A, 40V, 9.9ohm, N-Channel, MOSFET, TO-263AB | 12800 |
|
Buy |

Longzi Technology (Shenzhen) Co., Ltd.
Certificates

PNEDA Technology Co., Ltd
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Fmall Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
FDB8444 | onsemi | MOSFET N-CH 40V 70A TO263AB | 34490 |
|
Inquiry | ||||||||
FDB8444TS | onsemi | MOSFET N-CH 40V 20A/70A TO263-5 | 15890 |
|
Inquiry | ||||||||
FDB8444-F085 | onsemi | MOSFET N-CH 40V 70A TO263AB | 30590 |
|
Inquiry |

Microchip USA
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
FDB8444 | onsemi | Member of ERAI, GIDEP, & ITAR | ISO 9001, ISO 2001, ISO 14001 & AS9120 Certified ; Tray | 250 |
|
Inquiry | ||||||
FDB8444TS | Fairchild Semiconductor | Member of ERAI, GIDEP, & ITAR | ISO 9001, ISO 2001, ISO 14001 & AS9120 Certified ; Tray | 336 |
|
Inquiry | ||||||
FDB8444-F085 | onsemi | Member of ERAI, GIDEP, & ITAR | ISO 9001, ISO 2001, ISO 14001 & AS9120 Certified ; Bulk | 214 |
|
Inquiry |

Weyland Electronics Group Pte. Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
FDB8444 | AMI Semiconductor / ON Semiconductor | MOSFET N-CH 40V 70A TO-263AB ; TO-263AB Transistors - FETs, MOSFETs - Single
|
Available |
|
Inquiry | |
FDB8444TS | AMI Semiconductor / ON Semiconductor | MOSFET N-CH 40V 70A D2PAK-5 ; TO-263-5 Transistors - FETs, MOSFETs - Single
|
Available |
|
Inquiry | |
FDB8444-F085 | AMI Semiconductor / ON Semiconductor | MOSFET N-CH 40V 70A D2PAK ; TO-263AB Transistors - FETs, MOSFETs - Single
|
Available |
|
Inquiry |

Easev semiconductor Limited
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Sunether Technology Ltd.
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Dechoele Technology
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Shenzhen Dasenic Electronic Limited
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Lanka Micro Electronic Co.,Limited
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Win Source
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Unikey Electronics Pte. Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
FDB8444-VB | VBsemi | DC:25+ | 400000 |
|
Inquiry |

Chips Pulse Industry Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
FDB8444-VB | VBsemi Elec | Purchase Online. Ship Immediately. TO-263 MOSFETs ROHS | 11 |
|
Buy |

Classic Components
Certificates

ICSOSO Electronics Company Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
FDB8444-F085 | onsemi | Trans MOSFET N-CH 40V 70A 3-Pin(2+Tab) D2PAK T/R | 13594 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
FDB8444 | onsemi | MOSFET N-CH 40V 70A TO263AB | 271 |
|
Inquiry | |
FDB8444 | Fairchild Semiconductor | POWER FIELD-EFFECT TRANSISTOR, 7 | 84031 |
|
Inquiry | |
FDB8444TS | Fairchild Semiconductor | MOSFET N-CH 40V 20A/70A TO263-5 | 6529 |
|
Inquiry | |
FDB8444-F085 | onsemi | MOSFET N-CH 40V 70A TO263AB | 7219 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
FDB8444 | Fairchild/ON Semiconductor | MOSFET N-CH 40V 70A TO-263AB Transistors - FETs, MOSFETs - Single
|
In-Stock |
|
Inquiry | |
FDB8444TS | Fairchild/ON Semiconductor | MOSFET N-CH 40V 70A D2PAK-5 Transistors - FETs, MOSFETs - Single
|
In-Stock |
|
Inquiry | |
FDB8444_F085 | Fairchild/ON Semiconductor | MOSFET N-CH 40V 70A D2PAK Transistors - FETs, MOSFETs - Single
|
In-Stock |
|
Inquiry |

Depu Electronics
Certificates

ODG (Origin Data Global)
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
FDB8444-VB | VBsemi Elec | TO-263 MOSFETs ROHS | 10 |
|
Buy |

Xinghuan International Trade Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
FDB8444 | onsemi | 630 |
|
Inquiry | ||
FDB8444-F085 | onsemi | 12,800 |
|
Inquiry |

Shenzhen Shengyu Electronics Tech Limited.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
FDB8444 | onsemi | MOSFET N-CH 40V 70A TO263AB | 24781 |
|
Inquiry | |
FDB8444_F085 | FAIRCHILD | TO-263 | 12957 |
|
Inquiry | |
FDB8444-F085 | onsemi | MOSFET N-CH 40V 70A TO263AB | 7314 |
|
Inquiry | |
FDB8444TS | onsemi | MOSFET N-CH 40V 20A/70A TO263-5 | 6496 |
|
Inquiry |

KaiLiYuan Electronic Technology (ShenZhen) Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
FDB8444 | FAIRCHILD | DC:23+ ; TO263 | 364 |
|
Inquiry | |
FDB8444 | onsemi | MOSFET N-CH 40V 70A TO263AB ; DC:23+ | 28090 |
|
Inquiry | |
FDB8444 | onsemi | MOSFET N-CH 40V 70A TO263AB ; DC:21+ ; D2PAK (TO-263) | 443 |
|
Inquiry | |
FDB8444 | Fairchild Semiconductor | POWER FIELD-EFFECT TRANSISTOR, 7 ; DC:23+ | 26730 |
|
Inquiry | |
FDB8444TS | Fairchild Semiconductor | MOSFET N-CH 40V 20A/70A TO263-5 ; DC:21+ ; TO-263-5 | 7583 |
|
Inquiry | |
FDB8444TS | onsemi | MOSFET N-CH 40V 20A/70A TO263-5 ; DC:21+ ; TO-263-5 | 268 |
|
Inquiry | |
FDB8444TS | onsemi | MOSFET N-CH 40V 20A/70A TO263-5 ; DC:23+ | 19280 |
|
Inquiry | |
FDB8444TS | FAIRCHILD | DC:23+ ; TO-263(D2PAK) | 21992 |
|
Inquiry | |
FDB8444-F085 | onsemi | MOSFET N-CH 40V 70A TO263AB ; DC:21+ ; D2PAK (TO-263) | 268 |
|
Inquiry | |
FDB8444-F085 | ON | DC:23+ ; TO263 | 794 |
|
Inquiry | |
FDB8444-F085 | onsemi | MOSFET N-CH 40V 70A TO263AB ; DC:23+ | 42310 |
|
Inquiry |

Hongte Technology Limited
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LIXINC Electronics Co., Limited
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MountainView Components Inc.
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SILITECH Components Inc
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
FDB8444 | FCS | OEM/CM In stock | 10000 |
|
Inquiry | |
FDB8444 MOS | VBSEMI | OEM/CM In stock | 1072 |
|
Inquiry | |
FDB8444_F085 | VBSEMI | OEM/CM In stock | 1045 |
|
Inquiry | |
FDB8444TS | FAIRCHILD | OEM/CM In stock | 10000 |
|
Inquiry |

Avnat Group (Asia Pacific) Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
FDB8444 | FAIRCHILD/ÏÉͯ | 4800 |
|
Inquiry | ||
FDB8444 MOS(³¡Ð§Ó¦¹Ü) | FAIRCHILD/ÏÉͯ | 456 |
|
Inquiry |

He Qing Electronics Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
FDB8444 | onsemi | N-Channel 40 V 70A (Tc) 167W (Tc) Surface Mount D2PAK (TO-263) ; Tape & Reel (TR) | 9172 |
|
Inquiry | |
FDB8444-F085 | onsemi | N-Channel 40 V 70A (Tc) 167W (Tc) Surface Mount D2PAK (TO-263) ; Tape & Reel (TR) | 3431 |
|
Inquiry | |
FDB8444TS | onsemi | N-Channel 40 V 20A (Ta), 70A (Tc) 181W (Tc) Surface Mount TO-263-5 ; Tape & Reel (TR) | 6044 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
FDB8444-F085 | ON SEMICONDUCTOR | TO263 ; DC:17+ | 800 |
|
Inquiry |

Cytech Systems Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
FDB8444 | onsemi | Available, Contact us | 800 |
|
Inquiry | |
FDB8444-F085 | onsemi | Available, Contact us | 250 |
|
Inquiry |

RX Electronics Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
FDB8444-F085 | onsemi | 800 |
|
Inquiry |

Shenzhen Yuanxinai e-commerce Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
FDB8444 | ON | new and original ROHS ; SOT263 | 10000 |
|
Inquiry | |
FDB8444 | FAIRCHILD | new and original ROHS ; DC:16+ ; TO263 | 370 |
|
Inquiry | |
FDB8444 | FAIRCHILD | new and original ROHS ; DC:19+ ; TO-263 | 2500 |
|
Inquiry | |
FDB8444 | FAIRCHILD | new and original ROHS ; SOT263 | 10000 |
|
Inquiry |

DGT Technology (HK) Co., Limited
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GlobalTek Components
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Geefook (Shenzhen) Electronic Co., Ltd.
Certificates

Ariat Technology
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
FDB8444-F085 | onsemi | MOSFET N-CH 40V 70A D2PAK New Original Stock.
|
2999 |
|
Inquiry | |
FDB8444TS | onsemi | MOSFET N-CH 40V 20A/70A TO263-5 New Original Stock.
|
32500 |
|
Inquiry |

Nexxon, Inc. (USA)
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
FDB8444 | ON | in stock Immediately | 1300 |
|
Inquiry | |
FDB8444 MOS | VBSEMI | in stock Immediately | 1620 |
|
Inquiry | |
FDB8444 MOS() | FAIRCHILD | in stock Immediately | 50 |
|
Inquiry | |
FDB8444_F085 | VBSEMI | in stock Immediately | 1593 |
|
Inquiry |

YIC International Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
FDB8444-F085 | onsemi | MOSFET N-CH 40V 70A D2PAK | 1127 |
|
Inquiry | ||||||||||
FDB8444TS | AMI Semiconductor / ON Semiconductor | MOSFET N-CH 40V 70A D2PAK-5 | 32500 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
FDB8444 | FAIRCHILD | Original stock,24-hour delivery | 15439 |
|
Inquiry | |
FDB8444 MOS | VBSEMI | Original stock,24-hour delivery | 14347 |
|
Inquiry | |
FDB8444_F085 | VBSEMI | Original stock,24-hour delivery | 2713 |
|
Inquiry |

Lingto Electronic Limited
Certificates

Authorized Procurement Solutions
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IC Components Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
FDB8444-F085 | AMI Semiconductor / ON Semiconductor | ON SEMICONDUCTOR TO263 | 3000 |
|
Buy | ||||||
FDB8444TS | onsemi | MOSFET N-CH 40V 20A/70A TO263-5 | 32500 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
FDB8444 | ON Semiconductor / Fairchild | MOSFET 40V N-Channel PowerTrench MOSFET | in stock |
|
Inquiry | |
FDB8444-F085 | ON Semiconductor / Fairchild | MOSFET 40V N-Ch PowerTrench | in stock |
|
Inquiry |

Quest Components
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
FDB8444 | Fairchild Semiconductor Corp | POWER FIELD-EFFECT TRANSISTOR, 70A I(D), 40V, 9.9OHM, 1-ELEMENT, N-CHANNEL, SILICON, METAL-OXIDE SEMICONDUCTOR FET, TO-263AB | 1426 |
|
Buy | ||||||
FDB8444 | Fairchild Semiconductor Corp | POWER FIELD-EFFECT TRANSISTOR, 70A I(D), 40V, 9.9OHM, 1-ELEMENT, N-CHANNEL, SILICON, METAL-OXIDE SEMICONDUCTOR FET, TO-263AB | 640 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
FDB8444 | FAIRCHILD/?? | We exclusively sell to OEMs, ODMs and CMs/EMS. Thank you. | 32750 |
|
Inquiry | |
FDB8444_F085 | ONSEMI | We exclusively sell to OEMs, ODMs and CMs/EMS. Thank you. | 5200 |
|
Inquiry | |
FDB8444-F085 | ON SEMICONDUCTOR | We exclusively sell to OEMs, ODMs and CMs/EMS. Thank you. | 8200 |
|
Inquiry |

Asian Tera Part Limited
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Farnell element14
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Flip Electronic
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
FDB8444 @@@@@ | TO-263(D2PAK) ; DC:2014+PBFree | 50000 |
|
Inquiry | ||
FDB8444 | FSC | TO-263 ; DC:14+ | 30456 |
|
Inquiry | |
FDB8444TS | FAIRCHILD | TO-263(D2PAK) ; DC:2017+ | 32380 |
|
Inquiry | |
FDB8444_F085 | VB | T0-263AB ; DC:18+ | 31000 |
|
Inquiry |
See Also:
FDB8441
FDB8443
FDB8442
FDB8445
FDB8444TS
FDB8447L
FDB8453L
FDB8444 MOS
FDB8453LZ
FDB8444-F085
FDB8444_F085
FDB8445 MOS