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BC857BS
- Manufacturer's Part No.:BC857BS
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- In Stock: 35000
- Available: 4604
Reference Price(In US Dollars)
Qty | Unit Price | Ext.Price |
---|---|---|
1+ | US $0.04719 | US $0.05 |
10+ | US $0.03146 | US $0.31 |
30+ | US $0.02360 | US $0.71 |
100+ | US $0.01888 | US $1.89 |
500+ | US $0.01730 | US $8.65 |
1000+ | US $0.01573 | US $15.73 |
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The BC857BS is a general-purpose NPN bipolar junction transistor (BJT) manufactured by NXP Semiconductors. It is designed for low-power switching and amplification applications, making it suitable for a variety of electronic circuits. Here’s a detailed description of its key features and specifications:
Physical Characteristics:
- Package Type: The BC857BS is typically available in a SOT-23 package, which is a small, surface-mount package that allows for efficient use of space on printed circuit boards (PCBs).
- Dimensions: The SOT-23 package generally measures approximately 2.9 mm x 1.3 mm x 1.1 mm, making it compact and ideal for space-constrained applications.
Electrical Specifications:
- Type: NPN transistor, which means it conducts when a positive voltage is applied to the base relative to the emitter.
- Maximum Collector-Emitter Voltage (Vce): The BC857BS can handle a maximum voltage of 45V, making it suitable for a wide range of applications.
- Maximum Collector Current (Ic): It can support a maximum collector current of 100 mA, allowing it to drive small loads effectively.
- DC Current Gain (hFE): The transistor has a current gain (hFE) ranging from 100 to 800, depending on the collector current, which indicates its efficiency in amplifying signals.
- Transition Frequency (fT): The BC857BS has a transition frequency of around 100 MHz, which makes it suitable for high-frequency applications.
Thermal Characteristics:
- Junction Temperature (Tj): The maximum junction temperature is typically rated at 150°C, allowing for operation in various thermal environments.
- Thermal Resistance: The thermal resistance from junction to ambient is low, which helps in managing heat dissipation during operation.
Applications:
The BC857BS is widely used in various applications, including:
- Signal Amplification: It is commonly used in audio and radio frequency amplification circuits.
- Switching Applications: The transistor can be used in low-power switching applications, such as driving LEDs or small relays.
- Level Shifting: It can be employed in level shifting circuits to interface different voltage levels in digital applications.
Additional Features:
- Low Noise: The BC857BS is designed to operate with low noise levels, making it suitable for audio and sensitive signal applications.
- High Reliability: As a product from NXP Semiconductors, the BC857BS is manufactured to high standards, ensuring reliability and performance in various electronic designs.
Conclusion:
The BC857BS from NXP Semiconductors is a versatile and reliable NPN transistor that is well-suited for a range of electronic applications, from amplification to switching. Its compact size, robust electrical characteristics, and thermal performance make it a popular choice among engineers and designers in the electronics industry.
Functional Equivalent (FE) materials, including Fused Filament Fabrication (FFF) form, assembly, and functionally compatible substitute materials.
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