AC847CWQ-7

Single Bipolar Transistors Overview

The AC847CWQ-7 is an NPN small signal bipolar junction transistor (BJT) manufactured by Diodes Incorporated. It is housed in a SOT323 surface-mount package and designed for automotive applications, meeting AEC-Q101 standards. Key electrical parameters include a collector-emitter voltage of 45 V, a collector-base voltage of 50 V, and an emitter-base voltage of 6 V. The device supports a continuous collector current of 100 mA with a peak current rating of 200 mA. Power dissipation is rated at 200 mW, and the transition frequency ranges from 100 MHz to 300 MHz. Operating temperatures span from -65°C to +150°C.

Single Bipolar Transistors Feature Summary

• Qualified to AEC-Q101 standards for high reliability in automotive environments
• Totally lead-free and fully RoHS compliant with halogen and antimony-free green packaging
• Ideally suited for automatic insertion into manufacturing lines
• Complementary PNP types available within the AC857 series

Single Bipolar Transistors Applications

• General-purpose switching circuits
• Audio frequency (AF) amplifier applications
• Automotive electronic systems requiring high reliability

Single Bipolar Transistors Procurement Notes

Verify that the specific part number matches the required gain band, as the datasheet defines distinct groups B and C with different hFE ranges. Confirm the ordering suffix corresponds to the desired reel size, such as the 3,000-unit quantity for the -7 suffix. Ensure compliance with automotive quality requirements, including PPAP capability, if the application demands it. Check the marking code on the component to validate the specific product type and date code upon receipt.

Single Bipolar Transistors Selection Notes

Select this component when an NPN transistor with AEC-Q101 qualification is required for automotive designs. Consider the specific DC current gain group needed; Group B offers lower gain than Group C. Evaluate the thermal resistance and power dissipation limits relative to the PCB copper layout, as performance depends on minimum recommended pad sizes. Ensure the operating temperature range fits the environmental conditions of the target system.

Single Bipolar Transistors Part Context

This component belongs to the AC847xW-Q series of NPN general-purpose transistors produced by Diodes Incorporated. These devices are specifically engineered to meet the stringent reliability requirements of the automotive industry. They serve as the NPN counterparts to the AC857BWQ and AC857CWQ PNP transistors, allowing for complementary circuit designs in compact SOT323 packages.

Single Bipolar Transistors Replacement Considerations

Direct substitutes include other AEC-Q101 qualified NPN transistors in the SOT323 package with similar voltage and current ratings. Verify that any replacement matches the specific gain band (B or C) required by the design. Complementary PNP options are available in the AC857 series.

Single Bipolar Transistors FAQ

What are the available DC current gain bands for the AC847CWQ-7?

The datasheet specifies two gain bands: Group B with an hFE range of 200 to 450, and Group C with an hFE range of 420 to 800.

Is the AC847CWQ-7 suitable for use in life support devices?

No, Diodes Incorporated explicitly states that these products are not authorized for use as critical components in life support devices or systems without express written approval.

What is the maximum peak collector current for this transistor?

The absolute maximum rating for peak collector current (ICM) is 200 mA.