BC547 Datasheet
General Description
The BC547 is a general-purpose silicon NPN transistor commonly used in amplifier, switching, and low-power applications. It features a moderate gain, good frequency response, and a rugged construction.
Features
* Universal NPN bipolar transistor
* Moderate current gain (hFE) of 110-800
* Low collector-emitter saturation voltage (VCE(sat)) of 0.2V
* High collector-base voltage (VCBO) of 50V
* High emitter-base voltage (VEBO) of 6V
* Good frequency response with a cut-off frequency (fT) of 300MHz
* Lead-free and RoHS compliant
Pin Configuration
1. Emitter (E)
2. Base (B)
3. Collector (C)
Absolute Maximum Ratings
| Parameter | Value |
|—|—|
| Collector-Emitter Voltage (VCE) | 45V |
| Collector-Base Voltage (VCB) | 50V |
| Emitter-Base Voltage (VEB) | 6V |
| Collector Current (IC) | 100mA |
| Base Current (IB) | 5mA |
| Power Dissipation (Pd) | 500mW |
| Junction Temperature (Tj) | 150°C |
| Storage Temperature | -65°C to 150°C |
Electrical Characteristics
| Parameter | Value |
|—|—|
| Collector-Emitter Voltage (VCE) at IC = 10mA | 0.15V |
| Base-Emitter Saturation Voltage (VBE) at IC = 10mA | 0.7V |
| Collector-Emitter Saturation Voltage (VCE(sat)) at IC = 10mA | 0.2V |
| DC Current Gain (hFE) at IC = 1mA | 110-800 |
| DC Current Gain (hFE) at IC = 10mA | 200-600 |
Applications
* Small-signal amplifiers
* Voltage regulators
* Switching circuits
* Digital logic circuits
* Oscillators
* Audio pre-amplifiers
Package Options
* TO-92 (SOT-23)
* SOT-23 (SC-59)
* SOT-89 (TO-226)
Notes
* All values are at 25°C unless otherwise specified.
* For additional information, refer to the full BC547 datasheet from the manufacturer.
