Overview
The BC857C_R1_00001 is a PNP general-purpose transistor manufactured by Panjit International Inc. This transistor is part of the BC857 series, known for its versatility in various electronic applications. The BC857C is housed in a small SOT23 (TO-236AB) surface-mount device (SMD) plastic package, making it suitable for compact and efficient circuit designs.
The transistor is built using the epitaxial planar process, which ensures reliable performance and durability. It is designed for general-purpose switching and amplifier applications, making it a popular choice in a wide range of electronic projects.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Collector-Emitter Voltage (Vce) | -45 | V |
| Collector-Base Voltage (Vcb) | -50 | V |
| Emitter-Base Voltage (Veb) | -5 | V |
| Collector Current (Ic) | -100 mA | A |
| Current Gain (hFe) | 125 to 800 | - |
| Transition Frequency (ft) | 100 MHz | - |
| Noise Figure | 2 dB | - |
| Operating and Storage Temperature Range | -65 to 150 °C | - |
| Package Type | SOT23 | - |
| Maximum Collector Power Dissipation (Pc) | 0.25 W | - |
Key Features
- Type: PNP general-purpose transistor
- Low Current: Maximum collector current of 100 mA
- Low Voltage: Maximum collector-emitter voltage of 45 V
- Package Type: SOT23 surface-mount device (SMD) plastic package
- Transition Frequency: Up to 100 MHz
- Noise Figure: 2 dB
- Operating and Storage Temperature Range: -65 to 150 °C
- Moisture Sensitivity Level: Level 1 per J-STD-020
- ESD Rating: Human body model > 4000 V, machine model > 400 V
Applications
The BC857C transistor is ideally suited for various applications, including:
- General Purpose Switching: It can be used in switching circuits where low current and voltage are required.
- Amplifier Applications: Suitable for audio frequency (AF) amplifiers due to its high transition frequency and low noise figure.
- Automotive Electronics: Can be used in automotive systems due to its robust temperature range and reliability.
- Consumer Electronics: Commonly used in consumer electronic devices such as audio equipment, home appliances, and more.
Q & A
- What is the maximum collector-emitter voltage of the BC857C transistor?
The maximum collector-emitter voltage (Vce) of the BC857C transistor is 45 V.
- What is the current gain (hFe) range of the BC857C transistor?
The current gain (hFe) of the BC857C transistor ranges from 125 to 800.
- What is the transition frequency (ft) of the BC857C transistor?
The transition frequency (ft) of the BC857C transistor is up to 100 MHz.
- What is the package type of the BC857C transistor?
The BC857C transistor is housed in a SOT23 surface-mount device (SMD) plastic package.
- What are the typical applications of the BC857C transistor?
The BC857C transistor is typically used in general-purpose switching, audio frequency (AF) amplifiers, automotive electronics, and consumer electronics.
- What is the maximum collector current of the BC857C transistor?
The maximum collector current (Ic) of the BC857C transistor is 100 mA.
- What is the operating and storage temperature range of the BC857C transistor?
The operating and storage temperature range of the BC857C transistor is -65 to 150 °C.
- Is the BC857C transistor suitable for high-power applications?
No, the BC857C transistor is not suitable for high-power applications due to its low maximum collector power dissipation of 0.25 W.
- What is the noise figure of the BC857C transistor?
The noise figure of the BC857C transistor is 2 dB.
- Are there any equivalent transistors for the BC857C?
Yes, some equivalent transistors for the BC857C include BC856, BC860, FMMTA55, FMMTA56, and others listed in the datasheet.
