FDB8443 Datasheet. Specs and Replacement
Type Designator: FDB8443 📄📄
Type of Transistor: MOSFET
Type of Control Channel: N-Channel
Absolute Maximum Ratings
Pd ⓘ - Maximum Power Dissipation: 188 W
|Vds|ⓘ - Maximum Drain-Source Voltage: 40 V
|Vgs|ⓘ - Maximum Gate-Source Voltage: 20 V
|Id| ⓘ - Maximum Drain Current: 182 A
Tj ⓘ - Maximum Junction Temperature: 175 °C
Electrical Characteristics
RDSonⓘ - Maximum Drain-Source On-State Resistance: 0.003 Ohm
Package: TO263
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FDB8443 datasheet
..1. Size:300K fairchild semi
fdb8443.pdf 
June 2011 FDB8443 tm N-Channel PowerTrench MOSFET 40V, 182A, 3.0m Applications Features Typ rDS(on) = 2.3m at VGS = 10V, ID = 80A Power Tools Typ Qg(10) = 142nC at VGS = 10V Automotive Engine Control Low Miller Charge Powertrain Management Low Qrr Body Diode Solenoid and Motor Drivers UIS Capability (Single Pulse and Repetitive Pulse) Electronic Steering RoHS Comp... See More ⇒
..2. Size:430K fairchild semi
fdb8443 f085.pdf
March 2009 FDB8443_F085 N-Channel PowerTrench MOSFET 40V, 80A, 3.0m Applications Features Typ rDS(on) = 2.3m at VGS = 10V, ID = 80A Automotive Engine Control Typ Qg(10) = 142nC at VGS = 10V Powertrain Management Low Miller Charge Solenoid and Motor Drivers Low Qrr Body Diode Electronic Steering UIS Capability (Single Pulse and Repetitive Pulse) Integrated Starter / A... See More ⇒
..3. Size:367K onsemi
fdb8443.pdf
Is Now Part of To learn more about ON Semiconductor, please visit our website at www.onsemi.com Please note As part of the Fairchild Semiconductor integration, some of the Fairchild orderable part numbers will need to change in order to meet ON Semiconductor s system requirements. Since the ON Semiconductor product management systems do not have the ability to manage part nomenclatur... See More ⇒
8.1. Size:452K fairchild semi
fdb8442 f085.pdf
May 2010 FDB8442_F085 N-Channel PowerTrench MOSFET 40V, 80A, 2.9m Features Applications Automotive Engine Control Typ rDS(on) = 2.1m at VGS = 10V, ID = 80A Powertrain Management Typ Qg(10) = 181nC at VGS = 10V Solenoid and Motor Drivers Low Miller Charge Electronic Steering Low Qrr Body Diode Integrated Starter / Alternator UIS Capability (Single Pulse and Repet... See More ⇒
8.2. Size:364K fairchild semi
fdb8445.pdf
January 2006 FDB8445 N-Channel PowerTrench MOSFET 40V, 70A, 9m Features Applications Automotive Engine Control Typ rDS(on) = 6.8m at VGS = 10V, ID = 70A Powertrain Management Typ Qg(10) = 44nC at VGS = 10V Solenoid and Motor Drivers Low Miller Charge Electronic Transmission Low Qrr Body Diode Distributed Power Architecture and VRMs UIS Capability (Single Pulse/ ... See More ⇒
8.3. Size:312K fairchild semi
fdb8442.pdf
November 2006 FDB8442 N-Channel PowerTrench MOSFET 40V, 80A, 2.9m Features Applications Automotive Engine Control Typ rDS(on) = 2.1m at VGS = 10V, ID = 80A Powertrain Management Typ Qg(10) = 181nC at VGS = 10V Solenoid and Motor Drivers Low Miller Charge Electronic Steering Low Qrr Body Diode Integrated Starter / Alternator UIS Capability (Single Pulse and Repet... See More ⇒
8.4. Size:384K fairchild semi
fdb8445 f085.pdf
October 2010 FDB8445_F085 N-Channel PowerTrench MOSFET 40V, 70A, 9m Features Applications Automotive Engine Control Typ rDS(on) = 6.8m at VGS = 10V, ID = 70A Powertrain Management Typ Qg(10) = 44nC at VGS = 10V Solenoid and Motor Drivers Low Miller Charge Electronic Transmission Low Qrr Body Diode Distributed Power Architecture and VRMs UIS Capability (Single Puls... See More ⇒
8.5. Size:302K fairchild semi
fdb8441.pdf
August 2006 FDB8441 N-Channel PowerTrench MOSFET 40V, 80A, 2.5m Features Applications Automotive Engine Control Typ rDS(on) = 1.9m at VGS = 10V, ID = 80A Powertrain Management Typ Qg(10) = 215nC at VGS = 10V Low Miller Charge Solenoid and Motor Drivers Low Qrr Body Diode Electronic Steering UIS Capability (Single Pulse and Repetitive Pulse) Integrated Starter / ... See More ⇒
8.6. Size:292K fairchild semi
fdb8444ts.pdf
August 2007 FDB8444TS tm N-Channel PowerTrench MOSFET with Temperature Sensor 40V, 70A, 5m Features Applications Typ rDS(on) = 3.8m at VGS = 10V, ID = 70A Automotive Engine Control Typ Qg(TOT) = 130nC at VGS = 10V Powertrain Management Low Miller Charge Solenoid and Motor Drivers Low Qrr Body Diode Electronic Transmission UIS Capability (Single Pulse and Repetitive Pul... See More ⇒
8.7. Size:310K fairchild semi
fdb8444.pdf
February 2006 FDB8444 N-Channel PowerTrench MOSFET 40V, 70A, 5.5m Features Applications Automotive Engine Control Typ rDS(on) = 3.9m at VGS = 10V, ID = 70A Powertrain Management Typ Qg(TOT) = 91nC at VGS = 10V Solenoid and Motor Drivers Low Miller Charge Electronic Transmission Low Qrr Body Diode Distributed Power Architecture and VRMs UIS Capability (Single Pul... See More ⇒
8.8. Size:457K fairchild semi
fdb8441 f085.pdf
May 2010 FDB8441_F085 N-Channel PowerTrench MOSFET 40V, 80A, 2.5m Features Applications Automotive Engine Control Typ rDS(on) = 1.9m at VGS = 10V, ID = 80A Powertrain Management Typ Qg(10) = 215nC at VGS = 10V Low Miller Charge Solenoid and Motor Drivers Low Qrr Body Diode Electronic Steering UIS Capability (Single Pulse and Repetitive Pulse) Integrated Starter ... See More ⇒
8.9. Size:387K fairchild semi
fdb8444 f085.pdf
October 2010 FDB8444_F085 N-Channel PowerTrench MOSFET 40V, 70A, 5.5m Features Applications Automotive Engine Control Typ rDS(on) = 3.9m at VGS = 10V, ID = 70A Powertrain Management Typ Qg(TOT) = 91nC at VGS = 10V Solenoid and Motor Drivers Low Miller Charge Electronic Transmission Low Qrr Body Diode Distributed Power Architecture and VRMs UIS Capability (Single P... See More ⇒
8.10. Size:431K fairchild semi
fdb8447l.pdf
February 2007 FDB8447L 40V N-Channel PowerTrench MOSFET 40V, 50A, 8.5m Features General Description Max rDS(on) = 8.5m at VGS = 10V, ID = 14A This N-Channel MOSFET has been produced using Fairchild Semiconductor s proprietary PowerTrench technology to Max rDS(on) = 11m at VGS = 4.5V, ID = 11A deliver low rDS(on) and optimized BVDSS capability to offer Fast Switch... See More ⇒
8.11. Size:441K onsemi
fdb8445.pdf
Is Now Part of To learn more about ON Semiconductor, please visit our website at www.onsemi.com Please note As part of the Fairchild Semiconductor integration, some of the Fairchild orderable part numbers will need to change in order to meet ON Semiconductor s system requirements. Since the ON Semiconductor product management systems do not have the ability to manage part nomenclatur... See More ⇒
8.12. Size:302K onsemi
fdb8441.pdf
August 2006 FDB8441 N-Channel PowerTrench MOSFET 40V, 80A, 2.5m Features Applications Automotive Engine Control Typ rDS(on) = 1.9m at VGS = 10V, ID = 80A Powertrain Management Typ Qg(10) = 215nC at VGS = 10V Low Miller Charge Solenoid and Motor Drivers Low Qrr Body Diode Electronic Steering UIS Capability (Single Pulse and Repetitive Pulse) Integrated Starter / ... See More ⇒
Detailed specifications: FDB8132F085, STU326S, FDB8160F085, STU312D, FDB8441, FDB8441F085, FDB8442, FDB8442F085, 18N50, FDB8443F085, FDB8444, FDB8444F085, FDB8445, FDB8445F085, FDB8447L, FDB8453LZ, FDB8832
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Learn how to find the right MOSFET substitute. A guide to cross-reference, check specs and replace MOSFETs in your circuits.
