ZTX557 Allicdata Electronics
Allicdata Part #:

ZTX557-ND

Manufacturer Part#:

ZTX557

Price: $ 0.00
Product Category:

Discrete Semiconductor Products

Manufacturer: Diodes Incorporated
Short Description: TRANS PNP 300V 0.5A E-LINE
More Detail: Bipolar (BJT) Transistor PNP 300V 500mA 75MHz 1W T...
DataSheet: ZTX557 datasheetZTX557 Datasheet/PDF
Quantity: 1000
Stock 1000Can Ship Immediately
Specifications
Series: --
Packaging: Bulk 
Part Status: Obsolete
Transistor Type: PNP
Current - Collector (Ic) (Max): 500mA
Voltage - Collector Emitter Breakdown (Max): 300V
Vce Saturation (Max) @ Ib, Ic: 300mV @ 5mA, 50mA
Current - Collector Cutoff (Max): 100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce: 50 @ 50mA, 10V
Power - Max: 1W
Frequency - Transition: 75MHz
Operating Temperature: -55°C ~ 200°C (TJ)
Mounting Type: Through Hole
Package / Case: E-Line-3
Supplier Device Package: E-Line (TO-92 compatible)
Base Part Number: ZTX557
Description

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The ZTX557 transistor, a PNP amplifier transistor, is built on a planar, monolithic epitaxial base, and has a unique structure far more advanced than its predecessors. With its small chip size, and a remarkably wide range of functionalities, the ZTX557 stands out as one of the best transistors in its class.

The ZTX557 is one of the most common transistors used in automobile industry and other forms of engineering, thanks to its robust design and high performance. Due to its wide scope of applications, the ZTX557 finds use in fields such such as amplifiers, control circuits, switching circuits, and timer circuits, making it a very popular device.

The working principle of a ZTX557 is in fact very simple. It consists of three regions: the P-region, the N-region, and the E-region. The E-region is the base, in which the charge carriers, either electrons or holes, collect. The P-region and N-region are the emitter and collector respectively.

When the ZTX557 is open, the base regions (E-region) is forward biased; this means that the electrons in the emitter region will be attracted to the base region due to the electric field. At the same time, the collector region is reverse biased; this means it will not accept electrons from the emitter region.

When a voltage is applied to the base region of the ZTX557, the reverse bias on the collector is reduced, or neutralized. This leaves the collector free to accept electrons from the emitter region. The number of electrons that move from the emitter to collector is a function of the voltage applied to the base. The higher the voltage applied to the base, the greater the number of electrons that will flow from the emitter to the collector.

Due to its performance and reliability under heavy loads, the ZTX557 is used to control high power applications such as motor control, starter systems, and lighting control. In such applications, the ZTX557 is required to control the flow of huge amounts of current. As such, the ZTX557 provides a reliable and stable platform in these applications.

In summary, the ZTX557 is a versatile and highly reliable PNP amplifier transistor. It is easy to use, and can handle large amounts of power, making it an ideal choice for many applications. With its small chip size and high performance, the ZTX557 is the go-to transistor for many engineers and automotive manufacturers.

The specific data is subject to PDF, and the above content is for reference

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