Overview
The BC869TA is a PNP medium power transistor manufactured by Diodes Incorporated. This transistor is designed to handle high current and low voltage applications, making it suitable for a variety of electronic circuits. It is part of the BC869 series, which includes several variants with different current gain selections.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| VCEO (Collector-Emitter Voltage) | - | - | 20 | V |
| IC (Collector Current, DC) | - | - | 1 | A |
| ICM (Peak Collector Current) | - | - | 2 | A |
| hFE (DC Current Gain) | 85 | - | 375 | - |
| VCEsat (Collector-Emitter Saturation Voltage) | - | - | 500 mV | - |
| Ptot (Total Power Dissipation) | - | - | 1.2 W | - |
| Tj (Junction Temperature) | - | - | 150 °C | - |
| Tamb (Ambient Temperature) | -65 °C | - | 150 °C | - |
Key Features
- High current handling capability
- Low voltage operation
- Three current gain selections (BC869, BC869-16, BC869-25)
- High total power dissipation of up to 1.2 W
- Collector pad for good heat transfer in SOT89 package
Applications
- Linear voltage regulators
- High side switch
- Supply line switch
- MOSFET driver
- Audio (pre-) amplifiers
- Low voltage, high current LF applications
Q & A
- What is the maximum collector-emitter voltage of the BC869TA?
The maximum collector-emitter voltage (VCEO) is 20 V. - What is the maximum collector current of the BC869TA?
The maximum collector current (IC) is 1 A. - What are the different current gain selections available for the BC869 series?
The BC869 series includes BC869, BC869-16, and BC869-25 with different current gain ranges. - What is the total power dissipation of the BC869TA?
The total power dissipation (Ptot) is up to 1.2 W. - What are the typical applications of the BC869TA?
The BC869TA is used in linear voltage regulators, high side switches, supply line switches, MOSFET drivers, and audio amplifiers. - What is the junction temperature range of the BC869TA?
The junction temperature (Tj) range is up to 150 °C. - What is the ambient temperature range of the BC869TA?
The ambient temperature (Tamb) range is from -65 °C to 150 °C. - What package type is the BC869TA available in?
The BC869TA is available in the SOT89 package. - Does the BC869TA have a collector pad for heat transfer?
Yes, the SOT89 package includes a collector pad for good heat transfer. - What are the emitter-base cut-off current and collector-base cut-off current of the BC869TA?
The emitter-base cut-off current (IEBO) and collector-base cut-off current (ICBO) are typically in the range of -100 nA to -10 μA.
