PMBFJ110,215

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
FET Type:	N-Channel
Voltage - Breakdown (V(BR)GSS):	25V
Drain to Source Voltage (Vdss):	25V
Current - Drain (Idss) @ Vds (Vgs=0):	10mA @ 15V
Voltage - Cutoff (VGS off) @ Id:	4V @ 1µA
Input Capacitance (Ciss) (Max) @ Vds:	30pF @ 10V (VGS)
Resistance - RDS(On):	18 Ohms
Power - Max:	250mW
Operating Temperature:	150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23 (TO-236AB)
Base Part Number:	MBFJ110

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PMBFJ110, 215 Application Field and Working Principle

The PMBFJ110 and 215 are two distinct types of junction field-effect transistors (JFETs) manufactured by Powerex, Inc. They are widely used for a variety of applications, including audio switching, motor control, power measurement, and power conversion. This article will provide an overview of the PMBFJ110 and 215 application fields, as well as its working principle.

PMBFJ110 Applications

The PMBFJ110 is designed for use in low impedance audio switching applications, such as volume control and impedance bridging. It has excellent frequency response, low distortion, and low noise. Its input capacitance is very low, making it well suited for use in bridging applications. Additionally, the PMBFJ110 has a high I slew rate, making it well suited for audio switching.

PMBFJ215 Applications

The PMBFJ215 is designed for use in motor control and power conversion applications, such as switching variable-speed control and speed control. Its low on resistance enables the PMBFJ215 to support high-frequency PWM signals. Additionally, the PMBFJ215 has low capacitance and low junction capacitance, making it well suited for use in power conversion applications.

Working Principle

The working principle of a junction field-effect transistor (JFET) is similar to that of a bipolar transistor. It consists of two terminals, the “gate” and the “source”, which are connected together through a semiconductor material. When a positive voltage is applied to the gate, current flows from the source to the drain. The degree to which the gate is affected by the applied voltage determines the degree to which the current is controlled.The gate of a JFET is reverse biased with respect to the source-drain current. This means that when a positive voltage is applied to the gate, the current is restricted and decreases proportionally. By varying the gate voltage, the current through the JFET can be varied. The area of the JFET is an important factor in determining the maximum current that can be passed through the device.The PMBFJ110 and PMBFJ215 are both depletion-type JFETs, meaning they are normally on and require a gate voltage to turn them off. This makes them well suited for audio switching applications, as well as motor control and power conversion.

Conclusion

In summary, the PMBFJ110 and PMBFJ215 are two distinct types of junction field-effect transistors (JFETs) manufactured by Powerex, Inc. The PMBFJ110 is designed for use in low impedance audio switching applications, while the PMBFJ215 is designed for use in motor control and power conversion applications. The working principle of a JFET is similar to that of a bipolar transistor, but with the gate reverse biased with respect to the source-drain current. By varying the gate voltage, the current through the JFET can be varied. The PMBFJ110 and PMBFJ215 are both depletion-type JFETs, making them well-suited for a variety of applications.

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