Collector-Emitter Saturation Voltage (VCE(sat)@Ic,Ib)
600mV@100mA,5mA
Package
SOT-23-3(TO-236-3)
Packaging
Tape & Reel (TR)
Standard Package
3000
Weight
1
概要
The BC849A-AQ from DIOTEC is a small-signal NPN transistor specifically designed for switching and amplification tasks in compact circuits. It is housed in a surface-mount SOT-23 package, allowing for efficient space utilization. With a low power dissipation and reliable gain characteristics, it supports efficiency in low-current applications. This component is widely suited for high-density, low-voltage designs due to its consistent electrical performance.
特徴
Low-power dissipation : Maximum power dissipation of 250 mW ensures energy efficiency
High gain stability : Offers a DC current gain (hFE) range of 110 to 220 for consistent operation
Voltage tolerance : Maximum VCE of 30V supports a variety of circuit requirements
Small form factor : Compact SOT-23 package enhances PCB design flexibility
Fast switching speeds : Optimized for high-speed signal applications
応用
Amplifiers : Ideal for signal amplification in small devices
Logic switching circuits : Used in low-power digital to analog switching functions
Sensor modules : Applicable in interfacing and amplifying output signals from sensors
Mobile devices : Beneficial for space-constrained designs in portable electronics
Consumer electronics : Used in radios, televisions, and similar devices for amplification
Industrial instrumentation : Employed in low-voltage industrial control circuits
設計上の考慮事項
Power handling : Ensure maximum dissipation does not exceed 250 mW to avoid overheating
Voltage ratings : Operate within the max 30V collector-emitter voltage to maintain longevity
Thermal management : Proper ventilation or heat sinking may be required in higher-load environments
Placement on PCB : Position carefully to minimize undesired coupling or interference in circuits
Signal integrity : Use appropriate resistors to avoid excessive gain, which may distort signals
よくある質問
Q: What is the maximum collector current for the BC849A-AQ?
A: The maximum collector current (IC) is 100 mA.
Q: Can this transistor handle high-power applications?
A: No, it is designed for low-power applications with a maximum power dissipation of 250 mW.
Q: Is the BC849A-AQ suitable for audio amplification?
A: Yes, it is commonly used for low-power audio signal amplification.
Q: What is the operating temperature range for this transistor?
A: The operating temperature range is -55°C to 150°C.
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