DDTA124ECA-7-F

Resistor - Emitter Base (R2):	22 kOhms
Base Part Number:	DDTA124
Supplier Device Package:	SOT-23-3
Package / Case:	TO-236-3, SC-59, SOT-23-3
Mounting Type:	Surface Mount
Power - Max:	200mW
Frequency - Transition:	250MHz
Current - Collector Cutoff (Max):	500nA
Vce Saturation (Max) @ Ib, Ic:	300mV @ 500µA, 10mA
DC Current Gain (hFE) (Min) @ Ic, Vce:	56 @ 5mA, 5V
Series:	--
Resistor - Base (R1):	22 kOhms
Voltage - Collector Emitter Breakdown (Max):	50V
Current - Collector (Ic) (Max):	100mA
Transistor Type:	PNP - Pre-Biased
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

DDTA124ECA-7-F is a type of pre-biased single bipolar junction transistor (BJT), and as it is pre-biased, it is ready to be used as soon as it is placed within the circuit. Pre-biased transistors make it easier to minimize the amount of external components used in the design and make the design procedure more efficient and cost-effective. This guide will provide an in-depth look into the different usage fields and the working principle of the DDTA124ECA-7-F.

Application Areas

DDTA124ECA-7-F can be applied to both linear and digital circuits, for various tasks such as switching, output current limiting or current amplification. In gloab as a linear application area, it can act as voltage controlled current sources, voltage controlled resistors and non linear controllable peak detectors. In amplified circuits, DDTA124ECA-7-F can act as an active mixer, hybrid amplifier, driver amplifier and low supply voltage amplifier. In digital circuits, DDTA124ECA-7-F can be used as a current source, open drain gate, open drain transistor and analog switch.

Working Principle

The DDTA124ECA-7-F can be used in both linear and digital circuits. In linear circuits, the DDTA124ECA-7-F works by applying a voltage, either through an external source or a signal, to the base of the transistor to control the collector current and thereby affect the load. This is done by adjusting the base voltage, which affects the current flowing through the transistor between the collector and the emitter. In digital circuits, the DDTA124ECA-7-F acts as a gate, controlling the current flow from the gate to the source, and from the gate to the drain. When the voltage applied to the gate is low, no current flows from the gate to either the source or the drain, and vice versa when the voltage applied to the gate is high.

Conclusion

The DDTA124ECA-7-F is pre-biased single bipolar junction transistor, which can be applied in both linear and digital circuits. In linear circuits it works by applying a voltage to the base of the transistor to control the collector current, while in digital circuits it acts as a gate controlling the current flow between the gate and the source, and between the gate and the drain. It is a very versatile transistor and can be used for many different applications from voltage controlled current sources and drivers, to active mixers and open drain transistors.

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