2SB1201T-TL-E

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Transistor Type:	PNP
Current - Collector (Ic) (Max):	2A
Voltage - Collector Emitter Breakdown (Max):	50V
Vce Saturation (Max) @ Ib, Ic:	700mV @ 50mA, 1A
Current - Collector Cutoff (Max):	100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	200 @ 100mA, 2V
Power - Max:	800mW
Frequency - Transition:	150MHz
Operating Temperature:	150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device Package:	2-TP-FA
Base Part Number:	2SB1201

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2SB1201T-TL-E Application Field and Working Principle

The 2SB1201T-TL-E transistor is a high-current switching transistor, which belongs to a class of transistors known as Bipolar Junction Transistors (BJTs). They are one of the most commonly used and versatile devices in both analog and digital circuits. The 2SB1201T-TL-E transistor is a single type, with a low saturation voltage, high-current capability, and distinctly forward-biased operation.

2SB1201T-TL-E Transistor Description and Specifications

The 2SB1201T-TL-E is a single device, meaning it has three ports: collector, base, and emitter. As with all bipolar transistors, the collector and emitter are connected by two layers of material, known as the P-type and the N-type. When a voltage is applied to the base, the current flowing through the collector and emitter will increase, allowing more current to flow. This process is known as "switching".The 2SB1201T-TL-E has a low saturation voltage, meaning it can be switched quickly. It also has a high-current capability, with a maximum current rating of 500mA. The maximum voltage rating is 40V, which is suitable for most applications.

2SB1201T-TL-E Application Field

The 2SB1201T-TL-E transistor is primarily used for high-current switching applications. It is most commonly used in digital circuits, where the quick switching properties allow the transistor to act as a switch or amplifier. The 2SB1201T-TL-E transistor is also popular in analog circuits, where its low saturation voltage is beneficial. Common applications include power supplies, DC-DC converters, motor speed control, and LED lighting systems.

2SB1201T-TL-E Working Principle

The 2SB1201T-TL-E transistor works by controlling the flow of current through the collector and emitter. When a voltage is applied to the base, the current flowing through the collector and emitter will increase. This increased current flow allows the transistor to act as a switch or amplifier.The transistor works in two distinct modes. In the active mode, a small current is allowed to flow from the base to the collector, allowing a current to flow from the collector to the emitter. In the saturation mode, the base-collector voltage is lower than the base-emitter voltage, which allows for a higher current flow from the collector to the emitter.

Conclusion

The 2SB1201T-TL-E is a single type, high-current switching transistor. It has a low saturation voltage and a high-current capability, which makes it suitable for a variety of applications. Its most common applications include digital and analog circuits, power supplies, DC-DC converters, motor speed control, and LED lighting systems. The 2SB1201T-TL-E transistor works by controlling the flow of current through the collector and emitter, allowing it to act as a switch or amplifier.

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