BSR18A Discrete Semiconductor Products |
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Allicdata Part #: | BSR18ATR-ND |
Manufacturer Part#: |
BSR18A |
Price: | $ 0.00 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | ON Semiconductor |
Short Description: | TRANS PNP 40V 0.2A SOT-23 |
More Detail: | Bipolar (BJT) Transistor PNP 40V 200mA 250MHz 350m... |
DataSheet: | BSR18A Datasheet/PDF |
Quantity: | 15000 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Transistor Type: | PNP |
Current - Collector (Ic) (Max): | 200mA |
Voltage - Collector Emitter Breakdown (Max): | 40V |
Vce Saturation (Max) @ Ib, Ic: | 400mV @ 5mA, 50mA |
Current - Collector Cutoff (Max): | 50nA (ICBO) |
DC Current Gain (hFE) (Min) @ Ic, Vce: | 100 @ 10mA, 1V |
Power - Max: | 350mW |
Frequency - Transition: | 250MHz |
Operating Temperature: | -55°C ~ 150°C (TJ) |
Mounting Type: | Surface Mount |
Package / Case: | TO-236-3, SC-59, SOT-23-3 |
Supplier Device Package: | SOT-23-3 |
Base Part Number: | BSR18 |
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BSR18A transistors are a type of single-bipolar junction transistors (BJT). They are commonly used in a wide range of electronic applications such as amplifying, switching, power standardization and voltage regulation, as well as many other configurations such as transimpedance amplifiers and current-measuring or level-shifting circuits.
BSR18A transistors work on the principle of, what is known as, the 3-Terminal Operating Theory. A BJT is composed of two terminals, known as the Base and the Emitter, and the Collector. In order for the BJT to operate properly, it must have a forward bias, which is the application of a small voltage across the Base to Emitter junction. This forward bias creates a ‘ depletion region’ that prevents current from flowing through the transistor. When the end user applies a voltage to the collector, this voltage causes a current to flow as though it’s been ‘ turned on’.
The operating conditions of BSR18A transistors are generally very short, as the signal will only pass through them for a short amount of time before being switched off. As such, the signal must be supplied with a sufficient voltage to ensure that the signal remains strong, otherwise the collector will not activate. The amount of voltage required to turn on the transistor is usually indicated by the voltage drop across the Base to Collector junction.
The application fields of BSR18A transistors include various areas of power management, digital and analog circuit control, signal control and signal conversion, motor control and switching, as well as myriads of applications specifically designed for specific needs. In many cases, a variety of different BJTs are used with special characteristics that allow enhanced performance or greater protection of components.
In addition, the BSR18A transistor is also an ideal choice as a power transistor switch, as its robust construction and low resistance characteristics allow it to switch large loads. Generally, the collector current of a BSR18A transistor must be limited to prevent excessive power consumption, and the device must be mounted securely against a heat sink or other cooling surface to allow the device to dissipate heat efficiently.
In conclusion, the BSR18A transistor is a common and versatile device that is used in a wide variety of circuits and applications. Its operating principle of 3-Terminal Operation ensures that the transistor is able to operate in a wide range of conditions, allowing for maximum performance and protection. Its robust construction and low resistance characteristics allow for maximum efficiency when switching large loads, and the variety of applications makes it a great choice for both digital and analog circuit control.
The specific data is subject to PDF, and the above content is for reference
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