Overview
The BC857A,215 is a PNP general-purpose bipolar junction transistor (BJT) produced by NXP Semiconductors. It is packaged in a surface-mount TO-236AB (SOT23) case, making it suitable for a wide range of electronic applications where space is limited. This transistor is known for its reliability and versatility in various circuit designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector-Base Voltage (VCBO) | -50 | V |
| Collector-Emitter Voltage (VCEO) | -45 | V |
| Emitter-Base Voltage (VEBO) | -5 | V |
| Collector Current (IC) | -100 | mA |
| Peak Collector Current (ICM) | -200 | mA |
| Peak Base Current (IBM) | -200 | mA |
| Total Power Dissipation (Ptot) | 250 | mW |
| Operating Ambient Temperature (Tamb) | -65 to 150 | °C |
| Junction Temperature (Tj) | -150 | °C |
| DC Current Gain (hFE) | 125 - 800 | |
| Collector-Emitter Saturation Voltage (VCEsat) | -75 to -300 | mV |
Key Features
- PNP General-Purpose Transistor: Suitable for a wide range of applications including amplifiers, switches, and voltage regulators.
- Surface Mount Package: TO-236AB (SOT23) package for compact designs.
- High Current Gain: DC current gain (hFE) ranges from 125 to 800, ensuring reliable performance in various circuits.
- Low Saturation Voltage: Collector-emitter saturation voltage (VCEsat) as low as -75 mV, which is beneficial for reducing power consumption.
- Wide Operating Temperature Range: Operates from -65°C to 150°C, making it suitable for diverse environmental conditions.
Applications
The BC857A,215 transistor is versatile and can be used in various electronic circuits, including:
- Amplifiers: As a general-purpose amplifier in audio, video, and other signal processing applications.
- Switches: In switching circuits where high current gain and low saturation voltage are required.
- Voltage Regulators: To regulate voltage in power supply circuits.
- Automotive Electronics: Due to its wide operating temperature range, it is suitable for use in automotive systems.
- Consumer Electronics: In devices such as televisions, radios, and other consumer electronic products.
Q & A
- What is the package type of the BC857A,215 transistor?
The BC857A,215 transistor is packaged in a surface-mount TO-236AB (SOT23) case. - What is the maximum collector current of the BC857A,215 transistor?
The maximum collector current (IC) is -100 mA. - What is the maximum collector-emitter voltage of the BC857A,215 transistor?
The maximum collector-emitter voltage (VCEO) is -45 V. - What is the typical DC current gain (hFE) of the BC857A,215 transistor?
The DC current gain (hFE) ranges from 125 to 800. - What is the operating ambient temperature range of the BC857A,215 transistor?
The operating ambient temperature range is from -65°C to 150°C. - What is the total power dissipation of the BC857A,215 transistor?
The total power dissipation (Ptot) is 250 mW. - What are some common applications of the BC857A,215 transistor?
It is commonly used in amplifiers, switches, voltage regulators, automotive electronics, and consumer electronics. - What is the collector-emitter saturation voltage (VCEsat) of the BC857A,215 transistor?
The collector-emitter saturation voltage (VCEsat) ranges from -75 mV to -300 mV. - Is the BC857A,215 transistor suitable for high-frequency applications?
Yes, it has a high frequency response, with a typical frequency of 100 MHz. - Where can I find detailed specifications for the BC857A,215 transistor?
Detailed specifications can be found in the datasheet available on the NXP Semiconductors website or through distributors like Digi-Key and Mouser.
