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BC817
- Manufacturer's Part No.:BC817
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- Description:NPN 500mA 45V 300mW SOT-23(SOT-23-3) Transistors (NPN/PNP) RoHS
- Quantity:Buy NowAdd to Cart
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- In Stock: 2064
- Available: 4180
Reference Price(In US Dollars)
Qty | Unit Price | Ext.Price |
---|---|---|
1+ | US $0.04092 | US $0.04 |
10+ | US $0.02728 | US $0.27 |
30+ | US $0.02046 | US $0.61 |
100+ | US $0.01637 | US $1.64 |
500+ | US $0.01500 | US $7.50 |
1000+ | US $0.01364 | US $13.64 |
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- Description
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The BC817 is a widely used NPN bipolar junction transistor (BJT) manufactured by Changjiang Electronics, among other companies. It is designed for general-purpose switching and amplification applications. Here’s a detailed description of its characteristics and specifications:
Physical Characteristics:
- Package Type: The BC817 typically comes in a TO-92 package, which is a cylindrical plastic housing with three leads extending from the bottom. This package is compact and suitable for through-hole mounting on printed circuit boards (PCBs).
- Lead Configuration: The three leads are usually arranged in a specific order: the emitter (E), base (B), and collector (C). The pinout is essential for proper circuit integration.
Electrical Characteristics:
- Maximum Collector-Emitter Voltage (Vce): The BC817 can handle a maximum voltage of around 45V, making it suitable for various low to moderate voltage applications.
- Maximum Collector Current (Ic): It can support a maximum collector current of approximately 800mA, allowing it to drive small loads effectively.
- DC Current Gain (hFE): The transistor exhibits a current gain (hFE) ranging from 100 to 800, depending on the specific operating conditions. This high gain makes it efficient for amplification purposes.
- Transition Frequency (fT): The BC817 has a transition frequency of about 100 MHz, which indicates its capability for high-frequency applications.
Thermal Characteristics:
- Junction Temperature (Tj): The maximum junction temperature is typically around 150°C, which allows for operation in various environmental conditions.
- Thermal Resistance: The thermal resistance from junction to ambient is relatively low, ensuring efficient heat dissipation during operation.
Applications:
The BC817 is versatile and can be used in a variety of applications, including:
- Switching Circuits: It is commonly used in low-power switching applications, such as driving relays, LEDs, and small motors.
- Amplification: The transistor is suitable for audio and radio frequency amplification due to its high gain and frequency response.
- Signal Processing: It can be employed in signal processing circuits, including oscillators and amplifiers in communication devices.
Additional Features:
- Low Noise: The BC817 is designed to operate with low noise levels, making it ideal for audio and sensitive signal applications.
- Cost-Effective: As a widely used component, it is generally available at a low cost, making it accessible for hobbyists and professionals alike.
In summary, the BC817 from Changjiang Electronics is a reliable and versatile NPN transistor suitable for a wide range of electronic applications, characterized by its compact size, robust electrical specifications, and cost-effectiveness.
Functional Equivalent (FE) materials, including Fused Filament Fabrication (FFF) form, assembly, and functionally compatible substitute materials.
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