Overview
The BC847B is an NPN general-purpose transistor manufactured by Yangzhou Yangjie Electronic Technology Co., Ltd., although it is more commonly associated with other manufacturers like STMicroelectronics and ON Semiconductor. This transistor is packaged in a SOT-23-3 surface mount configuration, making it suitable for a variety of electronic applications. It is known for its high current gain, low collector-emitter saturation voltage, and low noise characteristics, making it ideal for amplification and switching tasks.
Key Specifications
| Parameter | Value |
|---|---|
| Type number | BC847B |
| Package version | SOT23 |
| Package name | SOT-23-3 |
| Size (mm) | 2.9 x 1.3 x 1 |
| Polarity | NPN |
| Collector Power dissipation (PC) [W] | 0.2 |
| Collector-Emitter voltage (VCEO) [V] | 45 |
| Collector current (IC) [mA] | 100 |
| DC Current Gain (hFE) [Min] | 200 |
| DC Current Gain (hFE) [Max] | 450 |
| Mounting Style | Surface mount |
| Storage Temperature (Min.) [°C] | -55 |
| Storage Temperature (Max.) [°C] | 150 |
Key Features
- High current gain (hFE) of 200 to 450 at IC = 2mA and VCE = 5V
- Low collector-emitter saturation voltage
- Low noise between 30 Hz and 15 kHz
- Pb-free (RoHS compliant) package
- Qualified according to AEC Q101 standards for high reliability
- Complementary PNP types available (e.g., BC857B)
Applications
- General-purpose switching and amplification
- Audio frequency (AF) input stages and driver applications
- Portable equipment due to its small size and high reliability
- Small load switch transistors requiring high gain and low saturation voltage
Q & A
- What is the BC847B transistor? The BC847B is an NPN general-purpose transistor in a SOT-23-3 surface mount package.
- How many pins does the BC847B have? The BC847B has 3 pins.
- What is the collector-emitter voltage (VCEO) of the BC847B? The VCEO of the BC847B is 45V.
- What is the maximum collector current (IC) of the BC847B? The maximum collector current is 100mA.
- What are the typical applications of the BC847B? The BC847B is used in general-purpose switching and amplification, AF input stages, and driver applications.
- Is the BC847B RoHS compliant? Yes, the BC847B is Pb-free and RoHS compliant.
- What is the operating temperature range of the BC847B? The recommended operating temperature range is between -65°C and 150°C.
- What is the DC current gain (hFE) of the BC847B? The DC current gain (hFE) is between 200 and 450.
- Does the BC847B have a complementary PNP transistor? Yes, the BC857B is a complementary PNP transistor for the BC847B.
- Is the BC847B qualified for automotive use? For automotive usage, please contact the sales department of the manufacturer.
