Overview
The BC857A-AQ is a high-quality bipolar junction transistor (BJT) produced by Diotec Semiconductor. This transistor is part of the BC857 series, which is known for its reliability and versatility in various electronic applications. The BC857A-AQ is specifically designed to meet the stringent requirements of automotive and industrial environments, as it is AEC-Q101 qualified. This qualification ensures that the transistor meets the automotive industry's standards for reliability and performance.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOT-23 |
| Polarity | PNP |
| Collector-Emitter Voltage (VCEO) | -45 V |
| Collector Current (IC) | -100 mA |
| Power Dissipation (Ptot) | 0.25 W |
| Junction Temperature (Tj) | -55°C to +150°C |
| DC Current Gain (hFE) | 180 to 290 (Group A) |
| Collector-Emitter Saturation Voltage (VCEsat) | 300 mV (Industrial/AEC-Q101) |
| Base-Emitter Saturation Voltage (VBEsat) | 650 mV (Industrial/AEC-Q101) |
| RoHS / REACH Compliance | Yes |
Key Features
- General-purpose PNP transistor suitable for signal processing, switching, and amplification.
- AEC-Q101 qualified, ensuring compliance with automotive industry standards.
- Three current gain groups (A, B, C) to cater to different application requirements.
- Compliant with RoHS, REACH, and Conflict Minerals regulations.
- High junction temperature rating of up to 150°C.
- Low collector-emitter saturation voltage and base-emitter saturation voltage.
Applications
- Signal processing and amplification in various electronic circuits.
- Switching applications where high reliability and low saturation voltages are required.
- Automotive systems, including control units, sensors, and actuators.
- Industrial control systems, such as motor control and power management.
- Consumer electronics, including audio and video equipment.
Q & A
- What is the package type of the BC857A-AQ transistor?
The BC857A-AQ transistor is packaged in a SOT-23 case.
- What is the polarity of the BC857A-AQ transistor?
The BC857A-AQ transistor is a PNP type.
- What is the maximum collector-emitter voltage (VCEO) of the BC857A-AQ transistor?
The maximum collector-emitter voltage (VCEO) is -45 V.
- What is the maximum collector current (IC) of the BC857A-AQ transistor?
The maximum collector current (IC) is -100 mA.
- Is the BC857A-AQ transistor compliant with automotive industry standards?
Yes, the BC857A-AQ transistor is AEC-Q101 qualified.
- What are the typical applications of the BC857A-AQ transistor?
The BC857A-AQ transistor is typically used in signal processing, switching, and amplification applications, including automotive and industrial systems.
- What is the junction temperature range of the BC857A-AQ transistor?
The junction temperature range is -55°C to +150°C.
- Is the BC857A-AQ transistor compliant with RoHS and REACH regulations?
Yes, the BC857A-AQ transistor is compliant with RoHS and REACH regulations.
- What are the current gain groups available for the BC857A-AQ transistor?
The BC857A-AQ transistor is available in three current gain groups: A, B, and C.
- What is the collector-emitter saturation voltage (VCEsat) of the BC857A-AQ transistor?
The collector-emitter saturation voltage (VCEsat) is 300 mV for industrial and AEC-Q101 qualified versions.
