STD18NF03L Allicdata Electronics
Allicdata Part #:

497-7961-2-ND

Manufacturer Part#:

STD18NF03L

Price: $ 0.26
Product Category:

Discrete Semiconductor Products

Manufacturer: STMicroelectronics
Short Description: MOSFET N-CH 30V 17A DPAK
More Detail: N-Channel 30V 17A (Tc) 30W (Tc) Surface Mount DPAK
DataSheet: STD18NF03L datasheetSTD18NF03L Datasheet/PDF
Quantity: 5000
1 +: $ 0.26000
10 +: $ 0.25220
100 +: $ 0.24700
1000 +: $ 0.24180
10000 +: $ 0.23400
Stock 5000Can Ship Immediately
$ 0.26
Specifications
Vgs(th) (Max) @ Id: 2.2V @ 250µA
Package / Case: TO-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device Package: DPAK
Mounting Type: Surface Mount
Operating Temperature: -55°C ~ 175°C (TJ)
Power Dissipation (Max): 30W (Tc)
FET Feature: --
Input Capacitance (Ciss) (Max) @ Vds: 320pF @ 25V
Vgs (Max): ±16V
Gate Charge (Qg) (Max) @ Vgs: 6.5nC @ 5V
Series: STripFET™ II
Rds On (Max) @ Id, Vgs: 50 mOhm @ 8.5A, 10V
Drive Voltage (Max Rds On, Min Rds On): 5V, 10V
Current - Continuous Drain (Id) @ 25°C: 17A (Tc)
Drain to Source Voltage (Vdss): 30V
Technology: MOSFET (Metal Oxide)
FET Type: N-Channel
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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The STD18NF03L is a type of n-channel enhancement mode Field Effect Transistor (FET). It is intended for use as a low side switch and is compatible with logic level gate drive signals. It is made using advanced trench Power MOSFET technology and is commonly used in various applications including Power Management, General-Purpose Switches, Battery Management, High Efficiency DC/DC Converters, High-Current Switching, Automotive, and Motor Control.

The STD18NF03L features an 80 V drain-source voltage (VDS), an 8 A continuous drain current (ID), a 24 A peak drain current (IDM), and a 30 mΩ typical drain-source on resistance (RDS(on)). It also has a 20 mA gate threshold voltage (VGS(th)) and a 9.2 mΩ typical gate charge (Qg), making it a very versatile and efficient FET.

The STD18NF03L is a metal oxide semiconductor (MOS) type FET. As such, the device operates in an "enhancement" mode, meaning that the channel between the source and the drain will be opened by applying a positive voltage to the gate. An advantage of this type of FET is that it needs much less gate current than other FETs, making it more efficient. As with all MOS devices, a thin film of metal (in this case, silicon dioxide) is used as the gate insulation layer, which allows for very fast switching speeds and low capacitance gate-source voltages (VGS).

The STD18NF03L in particular is specifically designed to be a low side switch, meaning it allows the flow of current only when the source is lower than the drain. This makes it particularly useful in applications such as battery, motor and power management, as it prevents damage from reverse-voltage pulses. The device is also commonly used in automotive applications and high-current switching, due to its ability to provide high current for short periods of time.

The working principle of the STD18NF03L is actually quite simple. When a positive voltage is applied to the gate, the current begins to flow from the source to the drain. The gate voltage determines how much current flows, with a higher voltage resulting in more current. The drain-source voltage (VDS) also has an effect on the current flow, with a higher voltage resulting in a higher current. Finally, the power MOSFET technology used in the device allows for very fast switching times and low capacitance values, which make it an ideal choice for applications requiring high-speed logic level switching.

In conclusion, the STD18NF03L is an advanced enhancement mode field effect transistor (FET) which is well suited to low side switch applications in various fields such as Power Management, General-Purpose Switches, Battery Management, High Efficiency DC/DC Converters, High-Current Switching, Automotive, and Motor Control. It is characterized by an 80 V drain-source voltage (VDS), an 8 A continuous drain current (ID), a 24 A peak drain current (IDM), and a 30 mΩ typical drain-source on resistance (RDS(on)), and operates according to the principle of applying a positive voltage to the gate in order to open the channel between the source and the drain.

The specific data is subject to PDF, and the above content is for reference

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