MMST4124T146

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Not For New Designs
Transistor Type:	NPN
Current - Collector (Ic) (Max):	200mA
Voltage - Collector Emitter Breakdown (Max):	25V
Vce Saturation (Max) @ Ib, Ic:	--
Current - Collector Cutoff (Max):	--
DC Current Gain (hFE) (Min) @ Ic, Vce:	120 @ 2mA, 1V
Frequency - Transition:	300MHz
Operating Temperature:	--
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SMT3

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MMST4124T146, a type of single bipolar junction transistor (BJT), is widely used in various electronic applications including amplification and switching. It is a switching-biased transistor, meaning it can be used to control the on/off current of a circuit. This transistor is characterized by its low voltage and high current capabilities, allowing it to operate at high speeds, while still being cost-effective.The MMST4124T146 is a voltage-controlled, NPN bipolar transistor that features an enhanced-isolation “grounded-gate” construction, which makes it ideal for use in high-speed switching applications. Its minimum breakdown voltage is typically 125V, and its maximum collector current is 1A. The MMST4124T146 transistor is constructed from a monolithic silicon die, and features an integral base-emitter resistor for improved isolation.The main purpose of the MMST4124T146 transistor is to provide a very efficient and reliable switching solution for a wide range of applications. It can be used to create DC-to-AC power conversion, high-current switching, and low-voltage DC/DC conversion. The MMST4124T146 transistor also provides high-frequency switching applications, allowing better response times and higher efficiency.The working principle of the MMST4124T146 is based on its ability to control the current of the circuit. When a voltage is applied to the base, it creates a small current (the base current). This current then flows through the transistor to the collector, providing an amplified current to the load. The emitter then supplies the load with the required voltage. As the load needs more current, the transistor provides more current as well.To determine the amount of current that can be controlled by the MMST4124T146, the beta (β) of the transistor is measured. Beta, which is defined as the transistor’s current gain, is calculated by dividing the collector current by the base current. The collector current is the current flow through the load when the base is grounded, while the base current is the current flowing between the emitter and the base. Generally, transistors with a higher beta will provide a higher gain.The MMST4124T146 transistor is a very versatile device, and is suitable for use in a wide range of application fields. It can be used for signal amplification, signal switching, low-power DC/DC conversion, and even radio frequency signal conversion. Its predictability and low power dissipation make it quite popular among engineers.In conclusion, the MMST4124T146 is a versatile switch-biased transistor that can be used to provide reliable and efficient switching solutions. It is designed for high-speed switching applications, and offers high gain and low power dissipation. Because of its simple configuration, the MMST4124T146 transistor is relatively easy to use and is suitable for a variety of applications.

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