Vishay SQ2389CES Type P-Channel Single MOSFETs, -4.1 A, -40 V Enhancement, 3-Pin SOT-23

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RS Stock No.:
653-160
Mfr. Part No.:
SQ2389CES-T1_GE3
Manufacturer:
Vishay
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Brand

Vishay

Channel Type

Type P

Product Type

Single MOSFETs

Maximum Continuous Drain Current Id

-4.1A

Maximum Drain Source Voltage Vds

-40V

Series

SQ2389CES

Package Type

SOT-23

Mount Type

PCB

Pin Count

3

Maximum Drain Source Resistance Rds

0.094Ω

Channel Mode

Enhancement

Maximum Power Dissipation Pd

3W

Typical Gate Charge Qg @ Vgs

12nC

Minimum Operating Temperature

-55°C

Forward Voltage Vf

-1.2V

Maximum Gate Source Voltage Vgs

20V

Maximum Operating Temperature

175°C

Length

3.04mm

Standards/Approvals

RoHS

Width

2.64mm

Automotive Standard

AEC-Q101

Vishay SQ2389CES Series Single MOSFETs, 3W Maximum Power Dissipation, -40V Maximum Drain Source Voltage - SQ2389CES-T1_GE3


This single MOSFETs device is a P-channel enhancement-mode MOSFET designed for PCB mounting in compact SOT-23 packages. It is intended for power switching and control in applications requiring moderate current handling and compact board space, with operation across a wide industrial-to-automotive temperature range.

Features and Benefits:


• Low on-resistance 0.094Ω reduces conduction losses
• 3W power dissipation enables sustained power handling
• Continuous drain current 4.1A supports medium-load switching
• Gate charge 12nC yields efficient switching performance
• Gate-source rating 20V allows robust gate drive margins
• Forward voltage -1.2V minimises voltage drop in conduction

Applications


• Suitable for automotive power distribution and load switching
• Ideal for battery management and protection circuits
• Used with driver ICs in DC power conversion stages
• Can be used for reverse-polarity protection in modules
• Used for compact motor driver low-side or high-side switching

What mounting considerations are required for thermal management?


Thermal performance depends on PCB copper area and vias

increasing copper around the SOT-23 pad improves heat dissipation for the 3W power rating.

Which environmental extremes can it withstand during operation?


The device remains functional from -55°C up to 175°C, suitable for high-temperature automotive compartments and harsh industrial settings.

What polarity and voltage limitations apply to the gate and drain?


The drain-to-source blocking capability is -40V and the gate may be driven up to 20V relative to source within safe operating limits.

How many pins are available and what is the package footprint?


It is supplied in a three-pin SOT-23 package with overall package dimensions of 3.04mm by 2.64mm.

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