FMMT6520TC

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Transistor Type:	PNP
Current - Collector (Ic) (Max):	500mA
Voltage - Collector Emitter Breakdown (Max):	350V
Vce Saturation (Max) @ Ib, Ic:	1V @ 5mA, 50mA
Current - Collector Cutoff (Max):	50nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	20 @ 50mA, 10V
Power - Max:	330mW
Frequency - Transition:	50MHz
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23-3
Base Part Number:	FMMT6520

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Introduction

FMMT6520TC is a NPN low-noise type dual transistor, a device which incorporates two independently operating and isolated transistor elements within a single package. It is optimal for a wide range of applications, and presents the advantage of lower noise, higher breakdown voltage, and improved stability and operating temperature. In this article, the application field and working principle of FMMT6520TC transistors will be discussed in detail.

Application Field

FMMT6520TC transistors are widely used in many different applications such as power supplies, electronic signals, amplifiers, motor drivers and signal switches.

• Power supplies: As FMMT6520TC transistors have low noise, high breakdown voltage, and improved stability and temperature operating, they are suitable for use in power supplies where a high current level is required without the risk of breakdown or distortion. The high stability and lower operating temperature also make them ideal for power supplies in conditions which require more precision and accuracy.
• Electronic signals: FMMT6520TC transistors can be used in electronic signals such as digital circuits and other systems that require small size and highly amplified transmission or reception of electric signals.
• Amplifiers: Due to its low noise features, FMMT6520TC transistors provide significant improvements in noise performance in amplification applications compared to other transistor types. This makes them suitable for use in audio amplifiers and precision amplifiers, where low noise is essential.
• Motor drivers: In motor drivers, FMMT6520TC transistors provide the added advantage of providing greater power and increased operating temperature stability. As the internal components of motor drivers can be highly sensitive, low noise and improved stability make FMMT6520TC transistors ideal for this application.
• Signal switches: FMMT6520TC transistors are suitable for use as signal switches, as they can provide better performance than other transistor types in this area. The low-noise and improved stability make them an ideal switching solution in a wide range of electronic devices.

Working Principle

FMMT6520TC transistors operate on the same principles as any other transistor. They consist of three pins, the collector, base and emitter. The collector and emitter are connected with a thin layer of N-type semiconductor material, and on top of this layer is the base, which is insulated from the collector and emitter with a P-type material.When a voltage is applied to the base of the transistor, it causes a current to pass through the base, the N-type layer, and the emitter. This current causes the transistor to switch on and electricity will flow from the collector to the emitter. The amount of current that passes through the circuit is then dependent on the amount of voltage applied to the base.When no current is applied to the base, the transistor will effectively ‘switch off’ and no current will pass through the circuit. This makes FMMT6520TC transistors ideal for use in switch applications and a wide range of other electronic devices.

Conclusion

FMMT6520TC transistors are highly versatile and are suitable for a wide range of applications. As they feature low noise, high breakdown voltage, and improved stability and operating temperature, they provide the user with greater reliability and precision than other transistor types. The principles behind the operation of FMMT6520TC transistors is well understood, and by applying an appropriate voltage to the base of the transistor, it can be switched on or off depending on the user’s requirements.

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