AC817-40Q-7

Single Bipolar Transistors Overview

The AC817-40Q-7 is a single NPN small-signal bipolar junction transistor manufactured by Diodes Incorporated. It utilizes silicon technology and is housed in an SOT-23-3 surface-mount package. The device supports a maximum collector-emitter voltage of 45 V and a continuous collector current of 500 mA. Key electrical specifications include a transition frequency of 100 MHz, power dissipation of 310 mW, and a reverse current of 200 nA. It operates within a temperature range of -65°C to +150°C and holds AEC-Q101 qualification for automotive applications.

Single Bipolar Transistors Feature Summary

• NPN configuration with low saturation voltage characteristics
• Automotive-grade reliability via AEC-Q101 qualification
• Compact SOT-23-3 surface-mount packaging

Single Bipolar Transistors Applications

• General-purpose switching circuits
• Amplifier stages in consumer electronics
• Signal processing in automotive systems

Single Bipolar Transistors Procurement Notes

Verify the specific manufacturer source when sourcing this component, as multiple vendors may list similar part numbers. Confirm that the received units match the Diodes Incorporated marking code '2D8' to ensure authenticity. Check for any recent product change notices or environmental compliance updates relevant to the AEC-Q101 standard before finalizing procurement plans.

Single Bipolar Transistors Selection Notes

Select this transistor for designs requiring robust NPN switching capabilities in space-constrained applications. Its AEC-Q101 qualification makes it suitable for automotive environments where thermal stability and reliability are critical. Ensure the circuit design accounts for the 310 mW power dissipation limit and the 100 MHz transition frequency to maintain optimal performance under expected load conditions.

Single Bipolar Transistors Part Context

This component belongs to the BC817 series of single NPN bipolar transistors offered by Diodes Incorporated. The series provides various voltage and current ratings across different packages. The AC817-40Q-7 specifically targets applications needing 45V blocking capability and 500mA current handling in a compact form factor, bridging general-purpose and automotive-grade requirements.

Single Bipolar Transistors Replacement Considerations

Public confirmed substitute part numbers: BAS40Q-7-F (Note: Different component type, verify compatibility), BC817-40Q-7-F.