Overview
The BC846B is a general-purpose NPN bipolar junction transistor (BJT) manufactured by MDD and other semiconductor companies. It is designed for use in a variety of applications, including audio frequency small signal amplifiers and switching circuits. The transistor is packaged in a SOT23 surface-mount device (SMD) plastic package, making it suitable for compact and efficient designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Polarity | NPN | |
| Maximum Collector Power Dissipation (Pc) | 0.2 | W |
| Maximum Collector-Base Voltage (Vcb) | 80 | V |
| Maximum Collector-Emitter Voltage (Vce) | 65 | V |
| Maximum Emitter-Base Voltage (Veb) | 6 | V |
| Maximum Collector Current (Ic max) | 0.12 | A |
| Maximum Operating Junction Temperature (Tj) | 150 | °C |
| Transition Frequency (ft) | 300 | MHz |
| Collector Capacitance (Cc) | 6 | pF |
| Forward Current Transfer Ratio (hFE), MIN | 200 | |
| Forward Current Transfer Ratio (hFE), MAX | 450 | |
| Package | SOT23 |
Key Features
- Leadless ultra small SMD plastic package with a low package height of 0.37 mm (for some variants).
- High collector-emitter voltage (Vce) of 65 V, making it suitable for a wide range of applications.
- Low collector-emitter saturation voltage (Vce(sat)), which is beneficial for reducing power losses.
- Closely matched current gain (hFE) ranging from 200 to 450, ensuring consistent performance.
- Compliance with EU RoHS 2011/65/EU directive and fully lead-free, making it environmentally friendly.
- Ideal for automatic insertion due to its SOT23 package, which is well-suited for automated assembly processes.
Applications
- General-purpose amplifier applications, including audio frequency small signal amplifiers.
- Switching circuits where high reliability and low power consumption are required.
- Automotive applications, though specific automotive-grade versions may need to be consulted with the manufacturer.
- Other electronic circuits requiring a reliable and efficient NPN transistor.
Q & A
- What is the polarity of the BC846B transistor?
The BC846B transistor is an NPN bipolar junction transistor.
- What is the maximum collector power dissipation of the BC846B?
The maximum collector power dissipation (Pc) is 0.2 W.
- What is the maximum collector-emitter voltage (Vce) of the BC846B?
The maximum collector-emitter voltage (Vce) is 65 V.
- What is the package type of the BC846B transistor?
The BC846B transistor is packaged in a SOT23 surface-mount device (SMD) plastic package.
- What is the transition frequency (ft) of the BC846B transistor?
The transition frequency (ft) is 300 MHz.
- Is the BC846B transistor lead-free and RoHS compliant?
- What are the typical applications of the BC846B transistor?
The BC846B is typically used in general-purpose amplifier applications, switching circuits, and other electronic circuits requiring a reliable NPN transistor.
- What is the forward current transfer ratio (hFE) range of the BC846B transistor?
The forward current transfer ratio (hFE) ranges from 200 to 450.
- What is the maximum operating junction temperature (Tj) of the BC846B transistor?
The maximum operating junction temperature (Tj) is 150 °C.
- Is the BC846B suitable for automotive applications?
While the BC846B can be used in various applications, for automotive-specific use, it is recommended to consult with the manufacturer for any special requirements or certifications.
