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IRF7946PBF Datasheet, PDF (1/12 Pages) International Rectifier – DirectFETPower MOSFET
Applications
l Brushed Motor drive applications
l BLDC Motor drive applications
l Battery powered circuits
l Half-bridge and full-bridge topologies
l Synchronous rectifier applications
l Resonant mode power supplies
l OR-ing and redundant power switches
l DC/DC and AC/DC converters
l DC/AC Inverters
Benefits
l Improved Gate, Avalanche and Dynamic dV/dt
Ruggedness
l Fully Characterized Capacitance and Avalanche
SOA
l Enhanced body diode dV/dt and dI/dt Capability
l RoHS Compliant Containing no Lead, no Bromide
and no Halogen
PD - 97780
StrongIRFET™
IRF7946PbF
DirectFET® Power MOSFET
VDSS
RDS(on) typ.
max.
ID (Silicon Limited)
ID (Package Limited)
40V
1.1m
1.4m
c 198A
90A
G
D
S
D
S
MX
DirectFET™ ISOMETRIC
Ordering Information
Base part number
IRF7946TRPbF
IRF7946TR1PbF
Package Type
DirectFET MX
DirectFET MX
Standard Pack
Form
Tape and Reel
Tape and Reel
Quantity
4800
1000
Complete Part
Number
IRF7946TRPbF
IRF7946TR1PbF
6.0
ID = 90A
4.0
TJ = 125°C
2.0
TJ = 25°C
0.0
4 6 8 10 12 14 16 18 20
VGS, Gate -to -Source Voltage (V)
Fig 1. Typical On-Resistance vs. Gate Voltage
www.irf.com
200
Limited By Package
150
100
50
0
25
50
75
100 125 150
TC , Case Temperature (°C)
Fig 2. Maximum Drain Current vs. Case Temperature
1
04/23/12