MMBTA64-HF

Single Bipolar Transistors Overview

The MMBTA64-HF is a PNP Darlington transistor manufactured by Comchip Technology in an SOT-23-3 package. It features a maximum collector current of 500 mA and a collector-emitter voltage rating of 30 V. The device offers a minimum DC current gain (hFE) of 10,000 at -10 mA and -5 V, with a gain-bandwidth product (fT) of 125 MHz. Power dissipation is rated at 300 mW, and the component complies with RoHS standards.

Single Bipolar Transistors Feature Summary

• High current gain capability with a minimum hFE of 10,000 for sensitive signal amplification
• Integrated Darlington configuration providing substantial amplification in a compact surface-mount footprint
• Designed for general-purpose switching and linear amplifier applications requiring high input impedance

Single Bipolar Transistors Applications

• General-purpose signal amplification circuits
• Switching applications requiring high gain
• Driver stages for low-power loads

Single Bipolar Transistors Procurement Notes

Verify that the specific order includes the HF suffix to ensure compliance with lead-free manufacturing requirements. Confirm the SOT-23-3 package type matches the PCB layout constraints. Check the datasheet for thermal derating curves relevant to the intended operating environment. Ensure the application voltage does not exceed the 30 V collector-emitter rating to prevent device failure.

Single Bipolar Transistors Selection Notes

Select this component when high current gain is required in a small form factor. The 125 MHz bandwidth supports moderate frequency operations. Compare against standard bipolar transistors if lower gain is acceptable for cost reduction. Consider the 300 mW power dissipation limit for thermal management in dense circuit designs.

Single Bipolar Transistors Part Context

This part belongs to the Comchip Technology Darlington transistor series. It utilizes silicon technology for reliable performance. The single configuration simplifies circuit design compared to dual-transistor arrays. It serves as a compact alternative to larger through-hole packages while maintaining comparable electrical characteristics for many low-power applications.

Single Bipolar Transistors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pinout compatibility before considering any generic Darlington replacements.

Single Bipolar Transistors FAQ

What is the typical marking on the MMBTA64-HF package?

The component is typically marked with '2V'.

What is the maximum collector-emitter voltage for this device?

The maximum collector-emitter voltage (VCEO) is 30 V.