MMBFJ110 Discrete Semiconductor Products

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
FET Type:	N-Channel
Voltage - Breakdown (V(BR)GSS):	25V
Current - Drain (Idss) @ Vds (Vgs=0):	10mA @ 15V
Voltage - Cutoff (VGS off) @ Id:	4V @ 10nA
Input Capacitance (Ciss) (Max) @ Vds:	--
Resistance - RDS(On):	18 Ohms
Power - Max:	460mW
Operating Temperature:	150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SuperSOT-3
Base Part Number:	MBFJ110

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The MMBFJ110 is an N-Channel Junction Field-Effect Transistor (JFET). This device is similar to a FET, in that it relies on an electric field to control the movement of current from its source (gate) to its drain terminal. It operates in the same way as a diode, with current only flowing in one direction. It is typically used for low power applications and is often used in digital switching circuits.The MMBFJ110 transistor has two terminals, the gate and the drain. The gate is the control voltage of the device, while the drain is the current through which the device operates. When the gate receives a positive voltage, electric field is generated and it creates an inversion layer, allowing current to flow from the drain to the gate. On the contrary, when there is a negative voltage at the gate, the electric field generated in the inversion layer is eliminated and no current flows through the transistor. This makes the MMBFJ110 an ideal device for digitally switching circuits.The MMBFJ110 must be operated within its specified ratings, such as voltage and current. In order to ensure that the device doesn’t exceed its ratings and get damaged, a slight margin of safety should be maintained when selecting the operating voltage and current levels. In terms of application, the MMBFJ110 is most commonly used for analog signal switching in electronic circuits. It can also be used for signal modulation, signal amplification, and noise suppression. This transistor is also suitable for precision control applications, such as controlling the speed of motors or the current through inductors.The MMBFJ110 works by creating an electric field between the gate and the drain terminal. The electric field is generated by applying a voltage across the terminals, allowing for current to flow either way. This current can be controlled and is used for the purpose of analog signal switching. Another important factors to consider when designing with MMBFJ110 is the input and output impedances. Input impedance is the AC resistance of the gate to the source, which determines the amount of current that can be drawn from the gate. Output impedance is the AC resistance from the drain to the source, which determines the amount of current that can be delivered to the drain. This can be manipulated to adjust the levels of gain in the circuit.In summary, the MMBFJ110 is an N-Channel Junction Field-Effect Transistor commonly used for analog signal switching. It relies on the electric field that is generated between the gate and the drain, allowing for the current to flow and be controlled. This makes the device suitable for applications such as signal modulation and amplification, precision control, and noise suppression. The MMBFJ110 must be operated within its specified ratings and users must consider the input and output impedances when designing circuits.

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