
Allicdata Part #: | BC857BWT1-ND |
Manufacturer Part#: |
BC857BWT1 |
Price: | $ 0.00 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | ON Semiconductor |
Short Description: | TRANS PNP 45V 0.1A SOT-323 |
More Detail: | Bipolar (BJT) Transistor PNP 45V 100mA 100MHz 150m... |
DataSheet: | ![]() |
Quantity: | 1000 |
1 +: | 0.00000 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Obsolete |
Transistor Type: | PNP |
Current - Collector (Ic) (Max): | 100mA |
Voltage - Collector Emitter Breakdown (Max): | 45V |
Vce Saturation (Max) @ Ib, Ic: | 650mV @ 5mA, 100mA |
Current - Collector Cutoff (Max): | 15nA (ICBO) |
DC Current Gain (hFE) (Min) @ Ic, Vce: | 220 @ 2mA, 5V |
Power - Max: | 150mW |
Frequency - Transition: | 100MHz |
Operating Temperature: | -55°C ~ 150°C (TJ) |
Mounting Type: | Surface Mount |
Package / Case: | SC-70, SOT-323 |
Supplier Device Package: | SC-70-3 (SOT323) |
Base Part Number: | BC85**W |
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The BC857BWT1 is a PNP small-signal transistor offering both high-current and high-voltage switching capabilities in a small SOT-23 package. It is often used in low-power amplifier, switching and switching regulator applications. This type of transistor has a single base-collector junction, making it a single bipolar junction transistor (BJT).
A transistor is essentially a three-terminal semiconductor device that can be used to amplify or switch electronic signals and electrical power. A bipolar junction transistor (BJT) is formed when two P type and one N type material are placed adjacent to each other. In the case of the BC857BWT1, the PNP structure consists of two P type layers and one N type layer sandwiched between them.
When a transistor, such as the BC857BWT1, is activated, electronic signals flow from the base to the collector and from the collector to the emitter. The collector is the main current carrying terminal, while the base is responsible for controlling the amount of current that flows through the device. The greater the current flowing through the base of the transistor, the greater the current that can flow through the collector. The emitter is responsible for dissipating any excess current through its terminals.
The BC857BWT1 has a maximum collector-emitter voltage of 50V, meaning that it can switch up to 50V of voltage. It also has a maximum collector current of 90mA, which means that it can switch up to 90mA of current. Additionally, the device has a minimum gain of 30, meaning that it can amplify signals up to 30 times their original size.
The BC857BWT1 can be used in a wide range of applications, including low-power amplifiers, switching and switching regulators. For example, it can be used to control the voltage output of a switching regulator by controlling the amount of current that is allowed to pass through the regulator. Additionally, it can be used to amplify low-level signals in applications such as audio amplifiers.
The BC857BWT1 is a versatile and reliable small-signal transistor. Its wide operating voltage range, high current capability and low noise figure makes it suitable for a variety of applications. Additionally, its integrated protection diodes make it highly resistant to damage from static electricity or voltage spikes. Its small package size ensures that it can be easily mounted, and its wide operating temperature range makes it suitable for use in industrial and automotive applications.
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