Overview
The BC857B-TP is a PNP bipolar junction transistor (BJT) produced by Micro Commercial Co. It is designed for general-purpose applications and is particularly suited for small signal amplification. This transistor is packaged in a SOT-23-3 surface mount package, making it ideal for compact and efficient circuit designs. The BC857B-TP is known for its high performance, reliability, and versatility, making it a popular choice for a wide range of electronic projects.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package/Case | SOT-23-3 | |
| Transistor Polarity | PNP | |
| Collector-Emitter Voltage (VCEO Max) | 45 | V |
| Collector-Base Voltage (VCBO) | 50 | V |
| Emitter-Base Voltage (VEBO) | 5 | V |
| Maximum DC Collector Current | 100 | mA |
| Power Dissipation (Pd) | 310 | mW |
| Gain Bandwidth Product (fT) | 100 | MHz |
| Minimum Operating Temperature | -55 | °C |
| Maximum Operating Temperature | 150 | °C |
| DC Current Gain (hFE) Min | 220 | |
| DC Current Gain (hFE) Max | 480 | |
| Collector-Emitter Saturation Voltage (Vce Sat) | 650 mV @ 5mA, 100mA | |
| Collector Cutoff Current (Icbo) | 15 nA |
Key Features
- High performance and reliability
- General-purpose PNP bipolar transistor
- Surface mount SOT-23-3 package
- Collector-Emitter voltage up to 45V
- Collector current up to 100mA
- High gain bandwidth product of 100 MHz
- Low collector-emitter saturation voltage (Vce Sat) of 650 mV
- Wide operating temperature range from -55°C to 150°C
Applications
The BC857B-TP is versatile and can be used in a variety of applications, including:
- Small signal amplification in audio and other electronic circuits
- Switching and driver applications
- General-purpose amplifiers and buffers
- Automotive and industrial control systems (with appropriate consultation and approval)
Q & A
- What is the package type of the BC857B-TP?
The BC857B-TP is packaged in a SOT-23-3 surface mount package. - What is the maximum collector-emitter voltage (VCEO) of the BC857B-TP?
The maximum collector-emitter voltage (VCEO) is 45V. - What is the maximum collector current of the BC857B-TP?
The maximum collector current is 100 mA. - What is the gain bandwidth product (fT) of the BC857B-TP?
The gain bandwidth product (fT) is 100 MHz. - What is the operating temperature range of the BC857B-TP?
The operating temperature range is from -55°C to 150°C. - What is the typical collector-emitter saturation voltage (Vce Sat) of the BC857B-TP?
The typical collector-emitter saturation voltage (Vce Sat) is 650 mV at 5mA and 100mA. - Is the BC857B-TP suitable for automotive applications?
For automotive usage, please contact the sales department for specific approval and consultation. - What is the DC current gain (hFE) range of the BC857B-TP?
The DC current gain (hFE) range is from 220 to 480. - How is the BC857B-TP typically packaged for shipping?
The BC857B-TP is carefully packed in anti-static bags to provide ESD anti-static protection, with durable outer packaging and various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray. - Where can I find detailed specifications and datasheets for the BC857B-TP?
Detailed specifications and datasheets can be found on the manufacturer's website, as well as through distributors like Lisleapex, which also provides circuit diagrams, pin layouts, and other relevant information.
