Overview
The BCP54 is an NPN general-purpose amplifier transistor manufactured by onsemi. This device is designed for medium power amplifiers and switching circuits, capable of handling collector currents up to 1.2 A. It is sourced from Process 38 and is suitable for a wide range of applications due to its versatile characteristics.
Key Specifications
| Characteristic | Symbol | Value | Units |
|---|---|---|---|
| Collector-Emitter Voltage | VCEO | 45 | V |
| Collector-Base Voltage | VCBO | 45 | V |
| Emitter-Base Voltage | VEBO | 5.0 | V |
| Collector Current - Continuous | IC | 1.5 | A |
| Operating and Storage Junction Temperature Range | TJ, Tstg | -55 to +150 | °C |
| Total Device Dissipation | PD | 1.5 | W |
| Thermal Resistance, Junction to Ambient | RθJA | 83.3 | °C/W |
| DC Current Gain (IC = 5.0 mA, VCE = 2.0 V) | hFE | 25 - 250 | |
| Collector-Emitter Saturation Voltage (IC = 500 mA, IB = 50 mA) | VCE(sat) | 0.5 | V |
| Base-Emitter On Voltage (IC = 500 mA, VCE = 2.0 V) | VBE(on) | 1.0 | V |
Key Features
- High Collector Current Capability: Up to 1.5 A, making it suitable for medium power applications.
- Low VCE(sat): Collector-Emitter Saturation Voltage of 0.5 V, which is beneficial for low power loss in switching applications.
- Wide Operating Temperature Range: From -55°C to +150°C, ensuring reliability in various environmental conditions.
- High DC Current Gain: hFE ranges from 25 to 250, providing a wide range of amplification capabilities.
- Compact Package: Available in SOT-223 package, which is compact and suitable for surface mount applications.
Applications
- General Purpose Amplifiers: Suitable for a variety of amplifier circuits due to its balanced current gain and low VCE(sat).
- Switching Circuits: Ideal for switching applications where high collector current and low saturation voltage are required.
- Power Supplies: Can be used in power supply circuits that require medium power handling.
- Audio Amplifiers: Applicable in audio amplifier circuits where medium power and good current gain are necessary.
Q & A
- What is the maximum collector current of the BCP54 transistor?
The maximum collector current of the BCP54 transistor is 1.5 A.
- What is the collector-emitter saturation voltage (VCE(sat)) of the BCP54?
The collector-emitter saturation voltage (VCE(sat)) of the BCP54 is 0.5 V.
- What is the operating temperature range of the BCP54 transistor?
The operating temperature range of the BCP54 transistor is from -55°C to +150°C.
- What is the typical DC current gain (hFE) of the BCP54 transistor?
The typical DC current gain (hFE) of the BCP54 transistor ranges from 25 to 250.
- What package type is the BCP54 transistor available in?
The BCP54 transistor is available in the SOT-223 package.
- What is the maximum collector-base voltage (VCBO) of the BCP54 transistor?
The maximum collector-base voltage (VCBO) of the BCP54 transistor is 45 V.
- What is the thermal resistance (RθJA) of the BCP54 transistor?
The thermal resistance (RθJA) of the BCP54 transistor is 83.3 °C/W.
- What is the base-emitter on voltage (VBE(on)) of the BCP54 transistor?
The base-emitter on voltage (VBE(on)) of the BCP54 transistor is 1.0 V.
- Can the BCP54 transistor be used in audio amplifier circuits?
Yes, the BCP54 transistor can be used in audio amplifier circuits due to its medium power handling and good current gain.
- Is the BCP54 transistor suitable for high-frequency applications?
The BCP54 transistor has a gain bandwidth product, but it is more suited for general-purpose and medium power applications rather than high-frequency applications.
