Fairchild FDD8453LZ User Guide
Summary
This datasheet details the FDD8453LZ N-Channel PowerTrench MOSFET, a 40V, 50A semiconductor optimized for inverter and synchronous rectifier applications. Built with Fairchild's advanced process to minimize on-state resistance, it features high ESD protection and RoHS compliance. Ideal for high-efficiency power management circuits.
Page 1 Text Content
FD 8453LZ N -C hannel Pow er Trench SFET
September 2007
FDD8453LZ
N-Channel Power Trench® MOSFET 40V, 50A, 6.7mΩ Features General Description Max r DS(on) = 6.7mΩ at VGS = 10V, ID = 15A This N-Channel MOSFET is produced using Fairchild
Semiconductor’s advanced Power Trench® process that has
Max r DS(on) = 8.7mΩ at VGS = 4.5V, ID = 13A
been especially tailored to minimize the on-state resistance and HBM ESD protection level >7k V typical (Note 4) switching loss. G-S zener has been added to enhance ESD voltage level.
Ro HS Compliant
Applications Inverter Synchronous Rectifier
TO -252D-PAK (TO-252)
MOSFET Maximum Ratings TC = 25°C unless otherwise noted Symbol Parameter Ratings Units
VDS Drain to Source Voltage VGS Gate to Source Voltage ±20 Drain Current -Continuous (Package limited) TC = 25°C 50 -Continuous (Silicon limited) TC = 25°C
-Continuous TA = 25°C (Note 1a) 16.4
-Pulsed EAS Single Pulse Avalanche Energy (Note 3) m J Power Dissipation TC = 25°C
Power Dissipation TA = 25°C (Note 1a) 3.1
TJ, TSTG Operating and Storage Junction Temperature Range -55 to +150 °C
Thermal Characteristics
RθJC Thermal Resistance, Junction to Case 1.9
RθJA Thermal Resistance, Junction to Ambient (Note 1a)
Package Marking and Ordering Information Device Marking Device Package Reel Size Tape Width Quantity FDD8453LZ FDD8453LZ D-PAK (TO-252) 13’’ 12mm 2500 units
©20 07 Fairchild Semiconductor Corporation www.fairchildsemi.com1 FD D8453LZ Rev.C
Page Summary Contents For Fairchild FDD8453LZ User Guide
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 7 |
| File Size | 277.44 KB |
| Published | June 16, 2026 |
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Frequently Asked Questions
What are the typical applications for the FDD8453LZ?
Typical applications are inverter and synchronous rectifier circuits.
What is the maximum drain current rating?
The maximum continuous drain current is 50A, limited by the package.
How is the on-state resistance specified?
Max rDS(on) is 6.7mΩ at VGS=10V, ID=15A and 8.7mΩ at VGS=4.5V, ID=13A.
Is this part RoHS compliant?
Yes, the datasheet states the device is RoHS Compliant.