Overview
The BC857BHE3-TP is a PNP bipolar junction transistor (BJT) manufactured by Micro Commercial Co. This transistor is designed for general-purpose switching and amplification applications. It is packaged in a SOT-23 surface mount format, making it suitable for a wide range of electronic circuits where space is a concern.
Key Specifications
| Parameter | Value |
|---|---|
| Transistor Type | PNP |
| Collector-Emitter Voltage (Vce) | 45 V |
| Collector-Base Voltage (Vcb) | 50 V |
| Emitter-Base Voltage (Veb) | 5 V |
| Collector Current (Ic) | 0.1 A (100 mA) |
| Current Gain (hFe) | 125 to 800 |
| Transition Frequency | 150 MHz |
| Noise Figure | 2 dB |
| Operating and Storage Temperature Range | -65 to 150°C |
| Package Type | SOT-23 |
| Power Dissipation | 310 mW |
Key Features
- Low Current and Voltage: The BC857BHE3-TP has a maximum collector current of 100 mA and a maximum collector-emitter voltage of 45 V, making it suitable for low-power applications.
- High Current Gain: With a current gain (hFe) ranging from 125 to 800, this transistor offers high amplification capabilities.
- Compact Package: The SOT-23 package is compact and ideal for surface mount applications, saving board space.
- Wide Temperature Range: The transistor can operate and be stored in a temperature range of -65 to 150°C, enhancing its reliability in various environmental conditions.
Applications
The BC857BHE3-TP is versatile and can be used in a variety of applications, including:
- General Purpose Switching: It can be used as a switch in digital circuits due to its low current and voltage ratings.
- Amplification: The high current gain makes it suitable for amplifying weak signals in audio, radio, and other electronic circuits.
- Automotive Electronics: Its robust temperature range and reliability make it a good choice for automotive applications.
- Consumer Electronics: It can be used in various consumer electronic devices such as audio equipment, remote controls, and other small electronic devices.
Q & A
- What is the maximum collector-emitter voltage of the BC857BHE3-TP transistor?
The maximum collector-emitter voltage (Vce) is 45 V. - What is the current gain range of the BC857BHE3-TP transistor?
The current gain (hFe) ranges from 125 to 800. - What is the package type of the BC857BHE3-TP transistor?
The package type is SOT-23. - What is the maximum collector current of the BC857BHE3-TP transistor?
The maximum collector current (Ic) is 100 mA. - What is the transition frequency of the BC857BHE3-TP transistor?
The transition frequency is 150 MHz. - What is the operating and storage temperature range of the BC857BHE3-TP transistor?
The operating and storage temperature range is -65 to 150°C. - Can the BC857BHE3-TP be used for high-power applications?
No, it is not suitable for high-power applications due to its low current and voltage ratings. - Is the BC857BHE3-TP RoHS compliant?
Yes, the BC857BHE3-TP is RoHS compliant. - What are some common applications of the BC857BHE3-TP transistor?
It is commonly used in general-purpose switching, amplification, automotive electronics, and consumer electronics. - What is the noise figure of the BC857BHE3-TP transistor?
The noise figure is 2 dB.
