BC547B Transistor Datasheet
1. General Description
The BC547B is a general-purpose silicon NPN transistor with a high gain and excellent switching characteristics. It is widely used in low-to medium-power applications.
2. Specifications
| Parameter | Value |
|—|—|
| Collector-emitter voltage (VCEO) | 50 V |
| Collector-base voltage (VCBO) | 50 V |
| Emitter-base voltage (VEBO) | 5 V |
| Collector current (IC) | 100 mA |
| Base current (IB) | 10 mA |
| Emitter current (IE) | 100 mA |
| Power dissipation (PD) | 500 mW |
| Gain-bandwidth product (fT) | 100 MHz |
3. Pin Configuration
The BC547B has a TO-92 package with three leads:
* E: Emitter
* B: Base
* C: Collector
4. Electrical Characteristics
| Parameter | Value |
|—|—|
| DC current gain (hFE) | 100-300 |
| Base-emitter voltage (VBE) | 0.7 V |
| Saturation voltage (VCE(sat)) | 0.1 V |
| Base resistance (rB) | 20 Ω |
| Emitter resistance (rE) | 5 Ω |
| Collector capacitance (CC) | 10 pF |
5. Applications
The BC547B is commonly used in various applications, including:
* Amplifiers
* Switches
* Oscillators
* Logic gates
* Power supplies
6. Package Information
The BC547B is available in a TO-92 package.
7. Ordering Information
The BC547B can be ordered by its part number: NPN Transistor BC547B.
8. Additional Notes
* The maximum power dissipation and operating temperature range must be observed to avoid damage to the transistor.
* The DC current gain (hFE) can vary depending on the operating conditions.
* The BC547B is complementary to the BC557B transistor (PNP).
