The 2N7002 N-Channel is a logic level MOSFET with a low on-state resistance. This mosfet has a low gate to source threshold voltage of 2.1volts and commonly this makes the mosfet suitable even for 3.3volt application circuits. Because the mosfet has low on state resistance it has high efficiency during when we drive the mosfet. Due to this property it can maintain high switching performance and consequently used extensively in power management application. The 2N7002 mosfet also comes in a SMD package so can be used for compact applications. One substantial disadvantage of this mosfet is its low drain current; it can supply a continuous current of 200mA and peaks currents upto 1A at max threshold voltage. Anything more than that will disadvantage the mosfet.
Pin configuration of 2N7002 N-channel logic level Mosfet
2N7002 detail |
|||||
|---|---|---|---|---|---|
| Pin# | Name | Symbol | Type | Function | |
| 1 | Gate | G | P-Type | Controls the current between Drain and Source | |
| 2 | Drain | D | N-Type | Electrons Emitter(Drain) | |
| 3 | Source | S | N-Type | Electrons Collector(Source) | |
The 2N7002 N Channel consist of three pins total. The pins along with the types and names are given above table. Electrons flow from Drain to source terminal. The output current depends on the voltage applied to the Gate terminal.
Features of 2N7002
- Available in To-92 and SOT23-3L package
- On-state Resistance is <5 Ω
- Continuous Drain Current (ID) is 200mA
- Maximum Gate threshold voltage (VGS-th) is 3volt
- Drain Source Voltage (VDS) is 60V
- N-Channel MOSFET with low on-state resistance
- Minimum Gate threshold voltage (VGS-th) is 1volt
- Turn ON and Turn off time is 15ns and 8ns each
Alternate of 2N7002:
The Alternate of 2N7002 are:NTR4003, FDC666, FDC558, BS170N, IRF3205, 2N7000, IRF1010E, IRF540N
Compliment of 2N7002:
The Compliment of P-Channel 2N7002 is:BSS84, FDN358P
Applications of 2N7002:
- Application where low on-state resistance is required.
- DC-DC converters
- Power management applications
- eMobility applications
- Low current and Low Voltage switching applications
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