MPQ3904

Series:	--
Packaging:	Tube
Part Status:	Active
Transistor Type:	4 NPN (Quad)
Current - Collector (Ic) (Max):	200mA
Voltage - Collector Emitter Breakdown (Max):	40V
Vce Saturation (Max) @ Ib, Ic:	200mV @ 1mA, 10mA
Current - Collector Cutoff (Max):	50nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	75 @ 10mA, 1V
Power - Max:	500mW
Frequency - Transition:	250MHz
Operating Temperature:	-65°C ~ 150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	14-DIP (0.300", 7.62mm)
Supplier Device Package:	TO-116

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Introduction

The MPQ3904 is a versatile Bipolar Junction Transistor (BJT) array that is useful for a variety of applications from gaining and buffering signals to providing power to an operation. The MPQ3904 has wide-ranging applications, but one of the most popular is being used as an amplifier in certain types of audio equipment. The MPQ3904 also has the versatility to be used in switching applications, providing reliable frequency and reliability.

Application Field

The MPQ3904 is a NPN array of BJTs and is suitable for applications like amplifying and buffering signals, power switching, providing current to operations, and controlling optically sensitive circuits. It is particularly useful for amplifying audio signals, as it provides a natural and pleasing sound. The MPQ3904 is particularly useful for being used as a power amplifier, as it can provide large amounts of current gain with a relatively low power requirement. This makes it suitable for powering high-end audio systems, as well as for powering professional sound systems. It is also commonly used for encoding and decoding voice signals. The MPQ3904 is also suitable for switching applications, and has the ability to switch a wide variety of signals, including both direct current (DC) and alternating current (AC). This makes it useful in switching circuits that require a high degree of reliability and frequency of operation.

Working Principle

The MPQ3904 is an array of NPN transistors, with each transistor having four leads: a collector, base, and emitter. The collector lead is where voltage is supplied, and the other two are used to control the flow of current. When a voltage is applied to the collectors, current flows through the base-emitter junctions of the transistors, resulting in an amplified signal. The signal is further amplified when the base-collector junction is open, allowing current to flow from the collector to the emitter and increasing the amount of current gain. The temperature of the transistor junction also affects the amount of current gain, as a cooler junction will allow a greater amount of current to flow. The MPQ3904 is designed to keep its junction temperature consistent and to dissipate heat, ensuring a stable and reliable current gain.

Conclusion

The MPQ3904 is a versatile and reliable array of Bipolar Junction Transistors (BJT). It has the ability to amplify and buffer signals, provide current to operations, control optically sensitive circuits, and switch a wide variety of signals. It is especially useful for amplifying audio signals, as it provides a natural and pleasing sound. The MPQ3904 is also suitable for being used as a power amplifier, as it is able to provide large amounts of current gain with a relatively low power requirement. Finally, it is able to maintain a consistent junction temperature and dissipate heat, ensuring a stable and reliable current gain.

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