Overview
The BC857AQBAZ is a general-purpose NPN bipolar transistor manufactured by Nexperia USA Inc. This component is part of the BC857 series, known for its reliability and versatility in various electronic applications. The BC857AQBAZ is housed in the SOT23 or DFN1110D-3 package, making it suitable for space-constrained designs while maintaining high performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector-Base Breakdown Voltage (BVCEO) | -45 | V |
| Collector-Emitter Breakdown Voltage (BVECO) | -45 | V |
| Emitter-Base Breakdown Voltage (BVEBO) | -5 | V |
| Collector Cutoff Current (ICBO) | -15 nA | |
| Collector-Emitter Saturation Voltage (VCE(sat)) | -250 to -650 mV | |
| Base-Emitter Turn-On Voltage (VBE(on)) | -600 to -820 mV | |
| Base-Emitter Saturation Voltage (VBE(sat)) | -700 mV | |
| Power Dissipation (PD) | 310 mW | |
| Thermal Resistance, Junction to Ambient (RθJA) | 403 °C/W | |
| Operating and Storage Temperature Range | -55 to +150 °C | |
| ESD Ratings (Human Body Model) | 4,000 V |
Key Features
- General-purpose NPN bipolar transistor: Suitable for a wide range of applications including amplifiers, switches, and voltage regulators.
- Compact packaging: Available in SOT23 and DFN1110D-3 packages, ideal for space-constrained designs.
- High reliability: Ensures stable performance under various operating conditions.
- Low noise and high gain: Offers a high current gain (hFE) and low noise operation, making it suitable for sensitive applications.
- ESD protection: Rated for 4,000 V ESD protection, enhancing the component's durability.
Applications
- Automotive electronics: Used in various automotive systems due to its reliability and robustness.
- Industrial control systems: Suitable for motor control, power supplies, and other industrial applications.
- Consumer electronics: Found in audio amplifiers, power supplies, and other consumer electronic devices.
- Medical devices: Used in medical equipment where reliability and precision are critical.
Q & A
- What is the BC857AQBAZ transistor used for?
The BC857AQBAZ is a general-purpose NPN bipolar transistor used in amplifiers, switches, and voltage regulators across various industries. - What package types are available for the BC857AQBAZ?
The BC857AQBAZ is available in SOT23 and DFN1110D-3 packages. - What is the collector-base breakdown voltage of the BC857AQBAZ?
The collector-base breakdown voltage (BVCEO) is -45 V. - What is the thermal resistance of the BC857AQBAZ?
The thermal resistance, junction to ambient (RθJA), is 403 °C/W. - What is the operating temperature range of the BC857AQBAZ?
The operating and storage temperature range is -55 to +150 °C. - Is the BC857AQBAZ ESD protected?
Yes, it is rated for 4,000 V ESD protection. - What are the typical applications of the BC857AQBAZ?
It is used in automotive electronics, industrial control systems, consumer electronics, and medical devices. - What is the power dissipation of the BC857AQBAZ?
The power dissipation (PD) is 310 mW. - What is the current gain (hFE) of the BC857AQBAZ?
The current gain (hFE) ranges from 125 to 800, depending on the specific model and operating conditions. - Where can I purchase the BC857AQBAZ?
The BC857AQBAZ can be purchased from various distributors such as Mouser Electronics, Digi-Key, and Arrow Electronics.
