Overview
The BC857BW_R1_00001 is a PNP bipolar junction transistor (BJT) manufactured by Panjit International Inc. This transistor is designed for general-purpose amplifier applications and is housed in the SOT-323/SC-70 package, which is suitable for low-power surface mount applications. It is Pb-free and RoHS compliant, making it environmentally friendly and compliant with current regulations.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Polarity | PNP | |
| Collector-Base Voltage (VCB0) | 50 | V |
| Collector-Emitter Voltage (VCE0) | 45 | V |
| Emitter-Base Voltage (VEB0) | 5 | V |
| Collector Current (IC) | 100 | mA |
| Collector-Emitter Saturation Voltage (VCE(sat)) | 0.3 | V |
| Base-Emitter Saturation Voltage (VBE(sat)) | 0.7 | V |
| Current Gain (hFE) | 220 - 475 | |
| Transition Frequency (fT) | 200 | MHz |
| Power Dissipation (PT) | 250 | mW |
| Package Type | SOT-323/SC-70 |
Key Features
- High Current Gain: The BC857BW offers a high current gain, making it suitable for various amplifier applications.
- Low Collector-Emitter Saturation Voltage: This transistor has a low VCE(sat), which is beneficial for reducing power losses and improving efficiency.
- Low Noise: It exhibits low noise characteristics between 30 Hz and 15 kHz, making it ideal for audio and other low-noise applications.
- Pb-free and RoHS Compliant: The transistor is lead-free and complies with RoHS regulations, ensuring environmental sustainability.
- AEC-Q101 Qualified: It meets the AEC-Q101 standards, making it suitable for automotive and other demanding applications.
Applications
- Audio Frequency (AF) Input Stages: The BC857BW is well-suited for AF input stages due to its low noise characteristics and high current gain.
- Driver Applications: It can be used in various driver applications where high current gain and low saturation voltage are required.
- General Purpose Amplifier Applications: The transistor is versatile and can be used in a wide range of general-purpose amplifier applications.
Q & A
- What is the polarity of the BC857BW transistor?
The BC857BW is a PNP bipolar junction transistor.
- What is the maximum collector-emitter voltage (VCE0) of the BC857BW?
The maximum collector-emitter voltage (VCE0) is 45 V.
- What is the collector-emitter saturation voltage (VCE(sat)) of the BC857BW?
The collector-emitter saturation voltage (VCE(sat)) is 0.3 V.
- What is the current gain (hFE) range of the BC857BW?
The current gain (hFE) range is between 220 and 475.
- What is the transition frequency (fT) of the BC857BW?
The transition frequency (fT) is 200 MHz.
- Is the BC857BW Pb-free and RoHS compliant?
Yes, the BC857BW is Pb-free and RoHS compliant.
- What package type does the BC857BW use?
The BC857BW is housed in the SOT-323/SC-70 package.
- What are some potential applications of the BC857BW?
Potential applications include AF input stages, driver applications, and general-purpose amplifier applications.
- Is the BC857BW AEC-Q101 qualified?
Yes, the BC857BW is AEC-Q101 qualified, making it suitable for automotive and other demanding applications.
- What is the power dissipation (PT) of the BC857BW?
The power dissipation (PT) is 250 mW.
