All about 2N7002 MOSFET | Features, pinout, Specs & working principle
The 2N7002 MOSFET is created by using DMOS technology and high cell viscosity. These transistors play a crucial part in reducing on − state resistance by furnishing dependable, rugged & veritably presto switching performance.
2N7002 MOSFET is used where 400 mama of DC is needed and delivers 2A of palpitation current and especially used in low current and low voltage grounded operations like switching, controlling of mini servo motor and gate motorists of power MOSFET. This type of MOSFET is available in an SMD package therefore used in compact operations. This composition discusses an overview of 2N7002 MOSFET, working with operations.
2N7002 MOSFET definition?
2N7002 MOSFET
This transistor is used in high effectiveness- grounded power operation operations due to its high switching performance capability. Once the voltage is applied at the Gate outstation, also it controls the conductivity in between two remaining outstations like drain & source which is known as a channel. This channel length is substantially controlled through the voltage handed at the gate terminal in the MOSFET.
2N7002 MOSFET is available in the face-mount package and it includes low input capacitance and low gate threshold voltage. This transistor is dependable and rugged because of its high achromatism current capacity.
In normal operating conditions like VGs = 0, this MOSFET does n’t conduct but it'll conduct simply once the voltage is handed at the gate terminal. So the conductivity of this transistor can be carried out throughout the maturity charge carriers (electrons) rather of nonage charge carriers ( holes).
2N7002 MOSFET Configuration
The configuration of 2N7002 MOSFET and its symbol is shown below. This type of MOSFET includes three outstations which are bandied below.
2N7002 MOSFET Leg Configuration
2N7002 MOSFET Leg Configuration
Pin1 ( Gate) This terminal controls the transistor turning
Pin2 ( Source) Current flows out from this terminal
Pin3 ( Drain) This terminal allows the inflow of current
2N7002 MOSFET Working
Conduction between two outstations like source and drain can be carried out with the help of electrons. Once the voltage is handed at the gate outstation of MOSFET, also the charge carrier’s inflow will be from the source to drain outstations.
2N7002 is an N-Channel MOSFET, so both the outstations like source and drain are composed with N- type material whereas the substrate is with P- type material.
When the positive voltage is applied to the MOS structure also it'll acclimate the charge allotment within the semiconductor. So, negative charge carriers are associated with the acceptor tittles to form the reduction region.
Once the positive voltage is applied at the gate terminal also it controls the inflow of electrons. Also, when the positive voltage is increased at the gate terminal also it'll attract several electrons which helps in expanding the path of the channel in between source & drain outstations. Therefore, the MOSFET conductivity substantially depends on the intensity of applied voltage at the gate terminal.
2N7002 MOSFET Features & Specifications
It's dependable & rugged.
The package is face- mounted.
Cell design viscosity is high.
It's available with maximum switching performance.
Applicable for sense position gate drive sources.
On state resistance of this MOSFET is< 5Ω.
Constant drain current or ID is 200mA.
Voltage from D to S is 60V.
Gate voltage is 3V.
It's available in SOT23-3L & To-92 package.
Indispensable 2N7002 MOSFETs are NTR4003, FDC666, FDC558. Original P-Channel 2N7002 MOSFETs are FDN358P, BSS84 & Other N-Channel MOSFETs are IRF3205, BS170N, 2N7000, IRF540N, IRF1010E, etc.
How to use 2N7002 MOSFET?
The LED as a light detector with a 2N7002 MOSFET circuit is shown below. We know that light- emitting diodes are used as an volition to light detectors. In utmost semiconductor bias, LEDs induce voltage. So this property is used in a switch circuit to control the LED by turning OFF formerly illumination goes beyond a fixed position.
LED and 2N7002 MOSFET
There are different types of LEDs available in the request which induce voltage but Green color LEDs are best in generating voltage. The voltage range produced by utmost of the LEDs ranges from0.5 volts to1.8 volts but the only debit is their internal resistance which ranges from 100 to 1000 kΩ.
This schematic illustration is veritably easy to design and understand. Once the four LEDs in the circuit are actuated like D1, D2, D3 & D4, they induce voltage. Once the position of this voltage exceeds above 2 volts, also this transistor will be ON & the voltage at the‘ drain’electrode will be reduced to 0V. So, the Q2 transistor will be turned OFF also D5 LED will stop blinking.
An R1 = 50Mega-Ohms resistor decreases the perceptivity of the below circuit, else, the circuit will turn veritably sensitive toward the position of light. Also, formerly illumination drops, it'll take some time to switch the LED as the input of the transistor signifies like 1000 pF capacitor & requires a many seconds to discharge it.
For SMD factors, the bobby vid is used as a carrier because the values of the resistors are limited to 20M, so the R1 resistor includes three values of resistors like 10, 20 & 20M
Where to use 2N7002 MOSFET/ Applications
The operations of 2N7002 MOSFET include the following.
Used in eMobility and power operation grounded operations
Used in switching and power MOSFET gate motorists.
DC to DC transformers.
Used where on- state resistance low is necessary.
Used to control motors
Used in low voltage & current switching grounded operations
It's a perfect volition to reduce on- state resistance.
Therefore, this is each about an overview of the 2N7002 MOSFET datasheet. This MOSFET replaces bipolar junction transistor in several operations due to no turning current at the gate terminal but the capacitance can be charged through a small swell current at the gate terminal. This MOSFET is designed through DMOS technology and is ideal for operations that bear 400 mama DC & deliver up to 4 A of palpitated current. Then's a question for you, at the gate terminal, why this MOSFET does n’t use a current limiting resistor?
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