Spark Logic

IRF7311 N-channel MOSFET pinout

Two separate N-channel MOSFETs in one SO-8, each with its own gate, source and pair of drain leads.

SO-8

8 contacts Current package

Infineon / International Rectifier · Two dies in an eight-lead small-outline package.

SO-8 pinout

Top view. Locate the package index before counting counterclockwise from pin 1.
Selected pin details

3 · S2

Current terminal · Bidirectional

Source. It sets the gate-voltage reference and is the intrinsic diode anode.

International Rectifier IRF7311PbF, p. 1

Electrical limits · Link to this pin

All 8 pins

PinSignalDirectionFunction
1S1 Current terminalCurrent terminal Source. It sets the gate-voltage reference and is the intrinsic diode anode.
2G1 InputInput Gate. Drive with the rated voltage relative to its own source.
3S2 Current terminalCurrent terminal Source. It sets the gate-voltage reference and is the intrinsic diode anode.
4G2 InputInput Gate. Drive with the rated voltage relative to its own source.
5D2 Current terminalCurrent terminal Drain. It connects to the switched load and is the intrinsic diode cathode.
6D2 Current terminalCurrent terminal Drain. It connects to the switched load and is the intrinsic diode cathode.
7D1 Current terminalCurrent terminal Drain. It connects to the switched load and is the intrinsic diode cathode.
8D1 Current terminalCurrent terminal Drain. It connects to the switched load and is the intrinsic diode cathode.

Signal assignments

Electrical limits

ParameterLimitConditions and source
Drain-to-source voltage20 V20 V Absolute maximum with the gate off. Allow margin for supply and switching transients. International Rectifier IRF7311PbF, Absolute Maximum Ratings
Gate-to-source voltage±12 V±12 V Absolute maximum. Gate drive in this example is 5 V. International Rectifier IRF7311PbF, Absolute Maximum Ratings
Maximum on-resistance29 mΩ29 mΩ At VGS = 4.5 V. See the data sheet for drain-current and junction-temperature conditions. International Rectifier IRF7311PbF, Electrical Characteristics

Models and documents

International Rectifier / Infineon pinout and electrical figures. Check the manufacturer before applying them to second-source parts.

IRF7311TRPBF
Infineon tape-and-reel order code.