Overview
The BC847CWT1G is a general-purpose NPN bipolar junction transistor (BJT) manufactured by onsemi. This transistor is part of the BC847 series, known for its versatility and reliability in a wide range of electronic applications. The BC847CWT1G is packaged in a compact SOT-323 format, making it suitable for space-constrained designs. It is designed to operate with a maximum collector current of 100 mA and a maximum collector-emitter voltage of 45 V, making it ideal for various low to medium power applications.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Collector-Emitter Breakdown Voltage | V(BR)CEO | - | - | 45 | V |
| Collector-Emitter Saturation Voltage | VCE(sat) | - | - | 0.25 | V |
| Base-Emitter Saturation Voltage | VBE(sat) | - | - | 0.7 | V |
| DC Current Gain | hFE | 180 | 290 | 520 | - |
| Collector Cutoff Current | ICBO | - | - | 15 nA | - |
| Output Capacitance | Cobo | - | - | 4.5 pF | - |
| Current-Gain - Bandwidth Product | fT | - | - | 100 MHz | - |
Key Features
- Compact Packaging: The BC847CWT1G is packaged in the SOT-323 format, making it ideal for applications where space is limited.
- High DC Current Gain: With a DC current gain (hFE) ranging from 180 to 520, this transistor offers high amplification capabilities.
- Low Saturation Voltages: The transistor features low collector-emitter and base-emitter saturation voltages, which reduce power losses in switching applications.
- High Breakdown Voltages: The device has high collector-emitter, collector-base, and emitter-base breakdown voltages, ensuring robust operation under various conditions.
- Wide Operating Temperature Range: The BC847CWT1G can operate over a temperature range of -55°C to +125°C, making it suitable for diverse environmental conditions.
Applications
- General Purpose Amplification: Suitable for use in general-purpose amplifier circuits due to its high DC current gain and low noise figure.
- Switching Circuits: The low saturation voltages make it ideal for use in switching applications such as power supplies, motor control, and relay drivers.
- Audio and Signal Processing: Can be used in audio amplifiers and signal processing circuits where high fidelity and low noise are required.
- Automotive and Industrial Control: Its robust breakdown voltages and wide operating temperature range make it suitable for automotive and industrial control systems.
Q & A
- What is the maximum collector current of the BC847CWT1G?
The maximum collector current of the BC847CWT1G is 100 mA.
- What is the maximum collector-emitter voltage of the BC847CWT1G?
The maximum collector-emitter voltage of the BC847CWT1G is 45 V.
- What is the typical DC current gain (hFE) of the BC847CWT1G?
The typical DC current gain (hFE) of the BC847CWT1G ranges from 180 to 520.
- What is the output capacitance of the BC847CWT1G?
The output capacitance (Cobo) of the BC847CWT1G is 4.5 pF.
- What is the current-gain - bandwidth product of the BC847CWT1G?
The current-gain - bandwidth product (fT) of the BC847CWT1G is 100 MHz.
- What is the operating temperature range of the BC847CWT1G?
The operating temperature range of the BC847CWT1G is -55°C to +125°C.
- What type of packaging does the BC847CWT1G use?
The BC847CWT1G is packaged in the SOT-323 format.
- Is the BC847CWT1G suitable for high-power applications?
No, the BC847CWT1G is more suited for low to medium power applications due to its maximum collector current and voltage ratings.
- Can the BC847CWT1G be used in audio amplifiers?
Yes, the BC847CWT1G can be used in audio amplifiers due to its high DC current gain and low noise figure.
- Is the BC847CWT1G suitable for automotive applications?
Yes, the BC847CWT1G is suitable for automotive applications due to its robust breakdown voltages and wide operating temperature range.
