BC557
- Manufacturer's Part No.:BC557
- Manufacturer:
- Categories:
- Sub-Categories:
- Series:-
- Description:TRANS PNP 45V 0.1A TO-92
- Datasheet:
- Quantity:RFQAdd to RFQ List
- Payment:
- Delivery:
- Available: 13269
Reference Price(In US Dollars)
Qty | Unit Price | Ext.Price |
---|---|---|
1+ | US $0.15000 | US $0.15 |
10+ | US $0.10000 | US $1.00 |
30+ | US $0.07500 | US $2.25 |
100+ | US $0.06000 | US $6.00 |
500+ | US $0.05500 | US $27.50 |
1000+ | US $0.05000 | US $50.00 |
Do you want a lower wholesale price? Please send us an inquiry, and we will respond immediately.
- Description
- Alternatives
- Shopping Guide
The BC557 is a PNP bipolar junction transistor (BJT) manufactured by ON Semiconductor, designed for general-purpose amplification and switching applications. It is commonly used in low-power applications due to its favorable characteristics.
Key Features:
- Type: PNP Transistor
- Package Type: Typically available in a TO-92 package, which is a cylindrical plastic package with three leads. This makes it suitable for through-hole mounting on printed circuit boards (PCBs).
- Maximum Collector-Emitter Voltage (Vce): The BC557 can handle a maximum Vce of around -45V, making it suitable for various applications where moderate voltage levels are present.
- Maximum Collector Current (Ic): The transistor can handle a maximum collector current of approximately -100mA, which is adequate for many low-power applications.
- DC Current Gain (hFE): The BC557 has a current gain (hFE) ranging from 100 to 600, depending on the specific model and operating conditions. This high gain allows for effective amplification of weak signals.
- Transition Frequency (fT): The transition frequency is typically around 100 MHz, indicating the frequency range over which the transistor can operate effectively.
- Thermal Resistance: The thermal resistance junction-to-ambient is relatively low, allowing for efficient heat dissipation during operation.
Electrical Characteristics:
- Emitter-Base Voltage (Veb): The maximum reverse voltage that can be applied to the emitter-base junction is around -5V.
- Power Dissipation (Pd): The maximum power dissipation is typically around 500 mW, which is important for ensuring the transistor operates within safe limits without overheating.
Applications:
The BC557 is widely used in various applications, including:
- Signal Amplification: It is often used in audio and radio frequency amplification circuits.
- Switching: The transistor can be used as a switch in low-power applications, controlling larger loads with a small input signal.
- Inverter Circuits: It is commonly found in inverter circuits for converting DC to AC.
- Level Shifting: The BC557 can be used in level shifting applications where signal levels need to be adjusted.
Characteristics:
- Polarity: Being a PNP transistor, it conducts when the base is pulled low relative to the emitter.
- Temperature Range: The BC557 operates effectively over a wide temperature range, typically from -55°C to +150°C, making it suitable for various environmental conditions.
Conclusion:
The BC557 from ON Semiconductor is a versatile and reliable PNP transistor that is well-suited for a variety of electronic applications. Its combination of moderate voltage and current ratings, along with high gain and frequency response, makes it a popular choice among engineers and hobbyists alike.
Functional Equivalent (FE) materials, including Fused Filament Fabrication (FFF) form, assembly, and functionally compatible substitute materials.
SHIPPING GUIDE
Shipping Methods
Rest assured that your orders will be handled by these trusted providers, such as DHL, FedEx, SF, and UPS.
Shipping Cost
Shipping starts at $40 but varies for destinations like South Africa, Brazil, India, and more. The actual shipping charges depend on time zone, country, and package weight/volume.
Delivery Time
We ship orders once daily, around 5 p.m., except on Sundays. The estimated delivery time may vary depending on the courier service you choose, but typically ranges from 5 to 7 business days.
Professional Platform
Full-speed Delivery
Wide Variety of Products
365 Days of Quality Assurance