Overview
The BC857CQB-QZ is a PNP general-purpose bipolar transistor manufactured by Nexperia USA Inc. This transistor is part of the BC857 series, known for its low current and low voltage characteristics, making it suitable for a wide range of applications. The BC857CQB-QZ is qualified according to the AEC-Q101 standard, which ensures its reliability and performance in automotive and other demanding environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Type Number | BC857CQB-QZ | - |
| Package | DFN1110D-3 (Wettable Flank) | - |
| Channel Type | PNP | - |
| Maximum Collector Current (I_C) | 100 | mA |
| Maximum Collector-Emitter Voltage (V_CE) | 65 | V |
| Maximum Power Dissipation (P_tot) | 250 | mW |
| Minimum Current Gain (h_FE) | 420 | - |
| Maximum Current Gain (h_FE) | 800 | - |
| Maximum Junction Temperature (T_J) | 150 | °C |
| Minimum Transition Frequency (f_T) | 100 | MHz |
| Automotive Qualified | Yes (AEC-Q101) | - |
Key Features
- Low Current and Voltage: The BC857CQB-QZ operates with a maximum collector current of 100 mA and a maximum collector-emitter voltage of 65 V, making it suitable for low-power applications.
- AEC-Q101 Qualified: This transistor is qualified according to the AEC-Q101 standard, ensuring its reliability and performance in automotive and other demanding environments.
- General-Purpose Switching and Amplification: It is designed for general-purpose switching and amplification, making it versatile across various applications.
- Compact Packaging: The DFN1110D-3 (Wettable Flank) package is compact, which helps in saving PCB space and is suitable for modern, space-constrained designs.
Applications
- Automotive Electronics: Due to its AEC-Q101 qualification, it is highly recommended for use in automotive applications, including safety and efficiency improvements in e-mobility options.
- Industrial Electronics: It is used in various industrial applications, such as motor drives, collaborative robots (cobots), and industrial equipment.
- Consumer Electronics: The transistor can be used in consumer electronics for general-purpose switching and amplification.
- Power and Computing: It finds applications in power management and computing systems where low current and low voltage operations are required.
Q & A
- What is the maximum collector current of the BC857CQB-QZ transistor?
The maximum collector current is 100 mA.
- What is the maximum collector-emitter voltage of the BC857CQB-QZ transistor?
The maximum collector-emitter voltage is 65 V.
- Is the BC857CQB-QZ transistor qualified for automotive applications?
Yes, it is qualified according to the AEC-Q101 standard.
- What is the package type of the BC857CQB-QZ transistor?
The package type is DFN1110D-3 (Wettable Flank).
- What are the typical applications of the BC857CQB-QZ transistor?
It is used in automotive, industrial, consumer electronics, and power and computing applications.
- What is the minimum current gain (h_FE) of the BC857CQB-QZ transistor?
The minimum current gain is 420.
- What is the maximum junction temperature of the BC857CQB-QZ transistor?
The maximum junction temperature is 150°C.
- What is the transition frequency (f_T) of the BC857CQB-QZ transistor?
The minimum transition frequency is 100 MHz.
- How does the compact packaging of the BC857CQB-QZ benefit design?
The compact packaging helps in saving PCB space and is suitable for modern, space-constrained designs.
- Where can I find more detailed technical information about the BC857CQB-QZ transistor?
You can find detailed technical information in the datasheet available on Nexperia's official website or through authorized distributors.
