FAIRCHILD HUF75945G3, HUF75945P3, HUF75945S3ST Data Handbook
Summary
Fairchild Semiconductor data sheet for HUF75945G3/P3/S3ST N-Channel UltraFET power MOSFETs rated 38A, 200V with 0.071 ohm on-resistance. Available in TO-247, TO-220AB, and TO-263AB packages. Covers absolute maximum ratings, electrical characteristics, thermal specs, and performance graphs. Includes PSPICE and SABER simulation models. For power electronics engineers designing high-current switching circuits.
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HUF75945G3, HUF75945P3, HUF75945S3ST
Data Sheet December 2001
38A, 200V, 0.071 Ohm, N-Channel, Ultra FET® Power MOSFETs Packaging
JEDEC TO-247
Features
SOURCE DRAIN
Ultra Low On-Resistance
r DS(ON) = 0.071Ω, VGS = 10V Simulation Models Temperature Compensated PSPICE® and SABER™
DRAIN
Electrical Models
(TAB)
Spice and SABER Thermal Impedance Models www.fairchildsemi.com
JEDEC TO-220AB JEDEC TO-263AB
Peak Current vs Pulse Width Curve
SOURCE DRAIN DRAIN (FLANGE)
UIS Rating Curve
Ordering Information
DRAIN
SOURCE PART NUMBER PACKAGE BRAND
(FLANGE)
HUF75945G3 TO-247 75945G
HUF75945P3 TO-220AB 75945P
Symbol
HUF75945S3ST TO-263AB 75945S
NOTE: When ordering, use the entire part number.
Absolute Maximum Ratings TC = 25o C, Unless Otherwise Specified
HUF75945G3,HUF75945P3, HUF75945S3ST UNITS
Drain to Source Voltage (Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VDSS
Drain to Gate Voltage (RGS = 20kΩ) (Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VDGR
Gate to Source Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VGS ±20
Drain Current
Continuous (TC = 25o C, VGS = 10V) (Figure 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ID
Continuous (TC = 100o C, VGS = 10V) (Figure 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ID Pulsed Drain Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IDM Figure 4 Pulsed Avalanche Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . UIS Figures 6, 14, 15 Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PD Derate Above 25o C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.07 W/o C
Operating and Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TJ, TSTG -55 to 175
Maximum Temperature for Soldering
Leads at 0.063in (1.6mm) from Case for 10s. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TL
Package Body for 10s, See Techbrief TB334. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tpkg NOTES: 1. TJ = 25o C to 150o C. CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
©2001 Fairchild Semiconductor Corporation HUF75945G3, HUF75945P3, HUF75945S3ST Rev. B
Page Summary Contents For FAIRCHILD HUF75945G3, HUF75945P3, HUF75945S3ST Data Handbook
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 10 |
| File Size | 210.53 KB |
| Published | June 17, 2026 |
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Frequently Asked Questions
What are the package types available for this MOSFET?
It is available in TO-247, TO-220AB, and TO-263AB packages.
What is the maximum continuous drain current at 25°C?
The maximum continuous drain current (I_D) at 25°C with V_GS=10V is 38A.
What is the typical on-resistance for this device?
The typical drain-to-source on-resistance (r_DS(ON)) is 0.071Ω at V_GS=10V, I_D=38A.
What is the maximum gate-to-source voltage rating?
The absolute maximum gate-to-source voltage (V_GS) rating is ±20V.
Who manufactures the HUF75945G3?
The manufacturer of the HUF75945G3 is Fairchild Semiconductor Corporation.