Datasheets
FDB8443 by:

N-Channel PowerTrench® MOSFET 40V, 182A, 3mΩ, D2PAK-3 / TO-263-2, 800-REEL

Part Details for FDB8443 by onsemi

Results Overview of FDB8443 by onsemi

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

Applications Industrial Automation Energy and Power Systems Renewable Energy Robotics and Drones

FDB8443 Information

FDB8443 by onsemi is a Power Field-Effect Transistor.
Power Field-Effect Transistors are under the broader part category of Transistors.

A transistor is a small semiconductor device used to amplify, control, or create electrical signals. When selecting a transistor, factors such as voltage, current rating, gain, and power dissipation must be considered, with common types. Read more about Transistors on our Transistors part category page.

Price & Stock for FDB8443

Part # Distributor Description Stock Price Buy
Rochester Electronics FDB8443 - N-Channel PowerTrench MOSFET 40V, 182A RoHS: Compliant Status: Obsolete Min Qty: 1 17600
  • 25 $1.9300
  • 100 $1.8300
  • 500 $1.7400
  • 1,000 $1.6400
  • 10,000 $1.5400
$1.5400 / $1.9300 Buy Now
DISTI # FDB8443
Avnet Silica Trans MOSFET NCH 40V 25A 3Pin2Tab D2PAK TR (Alt: FDB8443) RoHS: Compliant Min Qty: 800 Package Multiple: 800 Lead time: 143 Weeks, 0 Days Silica - 0
Buy Now
Cytech Systems Limited MOSFET N-CH 40V 25A/120A TO263AB 1200
RFQ

Part Details for FDB8443

FDB8443 CAD Models

FDB8443 Part Data Attributes

FDB8443 onsemi
Buy Now Datasheet
Compare Parts:
FDB8443 onsemi N-Channel PowerTrench® MOSFET 40V, 182A, 3mΩ, D2PAK-3 / TO-263-2, 800-REEL
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer ONSEMI
Part Package Code D2PAK-3 / TO-263-2
Package Description ROHS COMPLIANT PACKAGE-3
Manufacturer Package Code 418AJ
Reach Compliance Code not_compliant
ECCN Code EAR99
Factory Lead Time 4 Weeks
Samacsys Manufacturer onsemi
Avalanche Energy Rating (Eas) 531 mJ
Case Connection DRAIN
Configuration SINGLE WITH BUILT-IN DIODE
DS Breakdown Voltage-Min 40 V
Drain Current-Max (ID) 25 A
Drain-source On Resistance-Max 0.003 Ω
FET Technology METAL-OXIDE SEMICONDUCTOR
JEDEC-95 Code TO-263AB
JESD-30 Code R-PSSO-G2
JESD-609 Code e3
Moisture Sensitivity Level 1
Number of Elements 1
Number of Terminals 2
Operating Mode ENHANCEMENT MODE
Operating Temperature-Max 175 °C
Package Body Material PLASTIC/EPOXY
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 245
Polarity/Channel Type N-CHANNEL
Power Dissipation-Max (Abs) 188 W
Qualification Status Not Qualified
Surface Mount YES
Terminal Finish Matte Tin (Sn) - annealed
Terminal Form GULL WING
Terminal Position SINGLE
Time@Peak Reflow Temperature-Max (s) 30
Transistor Application SWITCHING
Transistor Element Material SILICON

Alternate Parts for FDB8443

This table gives cross-reference parts and alternative options found for FDB8443. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of FDB8443, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
FDB8443_F085 Fairchild Semiconductor Corporation Check for Price Power Field-Effect Transistor, 25A I(D), 40V, 0.003ohm, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, TO-263AB, ROHS COMPLIANT PACKAGE-3 FDB8443 vs FDB8443_F085
Part Number Manufacturer Composite Price Description Compare
SI7456DP-T1-GE3 Vishay Intertechnologies $2.0372 Power Field-Effect Transistor, 5.7A I(D), 100V, 0.025ohm, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, POWERPAK SO-8 FDB8443 vs SI7456DP-T1-GE3
FDB8443_F085 onsemi Check for Price 40V, 80A, 2.3mΩ, D2PAK N-Channel PowerTrench®, TO-263 2L (D2PAK), 800-TAPE REEL FDB8443 vs FDB8443_F085
SI7456DP-T1 Vishay Siliconix Check for Price Power Field-Effect Transistor, 5.7A I(D), 100V, 0.025ohm, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, POWERPAK, SO-8 FDB8443 vs SI7456DP-T1
SI7456DP-T1-GE3 Vishay Siliconix Check for Price TRANSISTOR 5.7 A, 100 V, 0.025 ohm, N-CHANNEL, Si, POWER, MOSFET, ROHS COMPLIANT, POWERPAK, SO-8, FET General Purpose Power FDB8443 vs SI7456DP-T1-GE3

FDB8443 Related Parts

FDB8443 Frequently Asked Questions (FAQ)

  • A good PCB layout for optimal thermal performance involves placing thermal vias under the FDB8443 package, using a solid ground plane, and keeping the thermal traces as short and wide as possible. A 4-layer PCB with a dedicated thermal layer is also recommended.

  • To ensure proper biasing, make sure to follow the recommended voltage and current ratings in the datasheet. Also, use a stable voltage source, and decouple the input and output pins with suitable capacitors to minimize noise and oscillations.

  • Critical parameters to monitor during FDB8443 operation include junction temperature, input and output voltage, current, and power dissipation. Monitoring these parameters can help prevent overheating, overvoltage, and overcurrent conditions that can damage the device.

  • To protect the FDB8443 from ESD, handle the device with an anti-static wrist strap or mat, and ensure that the PCB is designed with ESD protection in mind, such as using ESD diodes or resistors on the input and output pins.

  • Recommended soldering and assembly techniques for the FDB8443 include using a soldering iron with a temperature-controlled tip, applying a small amount of solder paste, and using a reflow oven or hot air soldering technique to minimize thermal stress on the device.

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