DDTA143TE-7

DC Current Gain (hFE) (Min) @ Ic, Vce:	100 @ 1mA, 5V
Base Part Number:	DDTA143
Supplier Device Package:	SOT-523
Package / Case:	SOT-523
Mounting Type:	Surface Mount
Power - Max:	150mW
Frequency - Transition:	250MHz
Current - Collector Cutoff (Max):	500nA (ICBO)
Vce Saturation (Max) @ Ib, Ic:	300mV @ 250µA, 2.5mA
Series:	--
Resistor - Base (R1):	4.7 kOhms
Voltage - Collector Emitter Breakdown (Max):	50V
Current - Collector (Ic) (Max):	100mA
Transistor Type:	PNP - Pre-Biased
Moisture Sensitivity Level (MSL):	--
Part Status:	Discontinued at Digi-Key
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction to DDTA143TE-7

DDTA143TE-7 is commonly classified as a single, pre-biased bipolar junction transistor (BJT). These transistors, also known as BJTs, are more commonly referred to as pre-biased because they are designed to operate at an intermediate voltage level. When compared to other types of transistors, such as field-effect transistors (FET) or Darlington pairs, BJTs are generally preferred for their simplicity, reliability, and durability. In addition, BJTs are versatile, making them ideal for use in a wide variety of applications, from consumer electronics to industrial settings.

Application Fields and Working Principle of DDTA143TE-7

The DDTA143TE-7 is a unique BJT transistor due to its pre-biased feature, which allows for a wide range of application fields. Basically, the pre-biased feature enables it to be used in applications that require intermediate voltage operations and are also more sensitive to noise and temperature changes. For example, in consumer electronics, it is often employed as a switching regulator in power supplies, as it is an efficient regulator of both current and voltage.The DDTA143TE-7 has two main components, the emitter and collector. The emitter is what allows the electrical current to flow through the transistor, and the collector is what collects and amplifies that current. When a small current flows through the base and into the collector, it is amplified by the collector, and the current passes through the emitter as it exits the transistor.The operation of the DDTA143TE-7 using two additional components, the base and the base resistor, is simple yet highly efficient. The base resistor is what determines the gate voltage of the transistor and allows the current to pass through the emitter and to the collector. When the base resistor is adjusted accordingly, the current is amplified in the transistor and can be used for any given application.In summary, the DDTA143TE-7 is a single, pre-biased Bipolar Junction Transistor (BJT). Due to its pre-biased feature, it is versatile, making it suitable for use in a wide variety of applications, from consumer electronics to industrial settings. The transistor comprises two main components – the emitter and collector – and two additional components – the base and the base resistor – all of which allow the transistor to amplify and regulate current, thereby producing an efficient result for whatever application that it is used for.

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