Overview
The BC846B-7-F-79 is a high-performance NPN bipolar junction transistor (BJT) manufactured by Diodes Incorporated. This transistor is part of the BC846 series, known for its reliability and versatility in various electronic applications. The '7-F-79' suffix indicates the specific packaging and marking of the device, with '7-F' denoting the SOT23 package and '79' possibly indicating a specific lot or production batch. The BC846B is fully RoHS compliant and lead-free, making it suitable for modern electronic designs that require environmental compliance.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Transistor Polarity | NPN | ||
| Configuration | Single | ||
| Maximum DC Collector Current | IC | 100 | mA |
| Collector-Emitter Voltage (VCEO Max) | VCEO | 65 | V |
| Collector-Base Voltage (VCBO Max) | VCBO | 80 | V |
| Emitter-Base Voltage (VEBO Max) | VEBO | 6.0 | V |
| Peak Collector Current | ICM | 200 | mA |
| Peak Emitter Current | IEM | 200 | mA |
| Power Dissipation (PD) | PD | 310 | mW |
| Thermal Resistance, Junction to Ambient (RθJA) | RθJA | 403 | °C/W |
| Operating and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| ESD Ratings (Human Body Model) | ESD HBM | 4,000 | V |
Key Features
- High DC Current Gain: The BC846B offers a high DC current gain (hFE) ranging from 200 to 450, making it suitable for amplification and switching applications.
- Low Collector-Emitter Saturation Voltage: The transistor has a low VCE(sat) of 90 to 250 mV, which is beneficial for reducing power losses in switching circuits.
- High Collector-Emitter Voltage: With a VCEO of 65V, this transistor can handle high voltage applications.
- Lead-Free and RoHS Compliant: The BC846B is fully RoHS compliant and lead-free, ensuring it meets current environmental standards.
- Compact SOT23 Package: The SOT23 package makes it ideal for space-constrained designs.
Applications
- General Purpose Amplification: Suitable for a wide range of general-purpose amplification tasks due to its high current gain and low noise characteristics.
- Switching Circuits: The low VCE(sat) and high current handling make it a good choice for switching applications.
- Automotive Electronics: Can be used in automotive systems due to its robustness and ability to handle high temperatures and voltages.
- Consumer Electronics: Ideal for use in consumer electronics such as audio equipment, power supplies, and other electronic devices.
Q & A
- What is the maximum collector-emitter voltage (VCEO) of the BC846B-7-F-79 transistor?
The maximum collector-emitter voltage (VCEO) is 65V.
- What is the maximum DC collector current (IC) of the BC846B-7-F-79 transistor?
The maximum DC collector current (IC) is 100 mA.
- What is the typical DC current gain (hFE) of the BC846B-7-F-79 transistor?
The typical DC current gain (hFE) ranges from 200 to 450.
- Is the BC846B-7-F-79 transistor RoHS compliant?
Yes, the BC846B-7-F-79 transistor is fully RoHS compliant and lead-free.
- What is the operating temperature range of the BC846B-7-F-79 transistor?
The operating and storage temperature range is -65 to +150 °C.
- What is the peak collector current (ICM) of the BC846B-7-F-79 transistor?
The peak collector current (ICM) is 200 mA.
- What is the thermal resistance, junction to ambient (RθJA), of the BC846B-7-F-79 transistor?
The thermal resistance, junction to ambient (RθJA), is 403 °C/W.
- What is the ESD rating of the BC846B-7-F-79 transistor according to the Human Body Model?
The ESD rating according to the Human Body Model is 4,000 V.
- In what package is the BC846B-7-F-79 transistor available?
The BC846B-7-F-79 transistor is available in the SOT23 package.
- What are some common applications of the BC846B-7-F-79 transistor?
Common applications include general-purpose amplification, switching circuits, automotive electronics, and consumer electronics.
