Fairchild FDB3860 Product Specification Sheet
Summary
This N-Channel PowerTrench MOSFET is a high-performance power semiconductor built for rigorous switching applications. Featuring extremely low on-resistance (Rds(on)), it is ideal for DC-AC conversion and synchronous rectifiers requiring maximum efficiency and rugged operation. The accompanying manual provides comprehensive technical specifications, including detailed electrical characteristics, switching performance curves, and thermal ratings, ensuring engineers can design reliable power circuits that withstand wide temperature variations up to +150°C. This component is for professional electronics designers building high-power conversion systems.
Page 1 Text Content
FD 3860 N -C hannel Pow er Trench SFET
March 2009
FDB3860 N-Channel Power Trench® MOSFET 100 V, 30 A, 37 mΩ Features General Description Max r DS(on) = 37 mΩ at VGS = 10 V, ID = 5.9 A This N-Channel MOSFET is rugged gate version of Fairchild
Semiconductor‘s advanced Power Trench® process. This part is
High performance trench technology for extremely low r DS(on)
tailored for low r DS(on) and low Qg figure of merit, with avalanche 100% UIL tested ruggedness for a wide range of switching applications.
Ro HS Compliant Applications
DC-AC Conversion
Synchronous Rectifier
TO-263AB FDB Series
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 (Silicon limited) TC = 25 °C
ID 6.4 A -Continuous TA = 25 °C (Note 1a)
-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 1.75
RθJA Thermal Resistance, Junction to Ambient (Note 1a)
Package Marking and Ordering Information Device Marking Device Package Reel Size Tape Width Quantity FDB3860 FDB3860 TO-263AB 330 mm 24 mm 800 units
©20 09 Fairchild Semiconductor Corporation www.fairchildsemi.com1 FD B3860 Rev.C
Page Summary Contents For Fairchild FDB3860 Product Specification Sheet
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 6 |
| File Size | 297.57 KB |
| Published | June 01, 2026 |
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