MMBTA44-HF

Single Bipolar Transistors Overview

The MMBTA44-HF is a single NPN bipolar junction transistor manufactured by Comchip Technology. It utilizes silicon technology and is housed in an SOT-23-3 surface-mount package. The device features a collector-emax voltage of 400 V and a continuous collector current of 200 mA. Key electrical parameters include a power dissipation of 350 mW, a transition frequency of 50 MHz, and a DC current gain ranging from 100 to 300. It operates within a temperature range of -55°C to +150°C.

Single Bipolar Transistors Feature Summary

• High voltage capability suitable for demanding switching applications
• Compact surface-mount design for space-constrained PCB layouts
• Silicon-based construction ensuring stable thermal performance

Single Bipolar Transistors Applications

• General purpose switching circuits
• Embedded system control interfaces
• Industrial automation signal processing

Single Bipolar Transistors Procurement Notes

Verify the specific datasheet version and marking code (3D) against the physical component upon receipt. Confirm that the SOT-23-3 package dimensions match the target footprint. Ensure compliance with RoHS requirements if applicable to the final assembly. Cross-reference the manufacturer part number to avoid confusion with similar high-voltage variants.

Single Bipolar Transistors Selection Notes

Select this component when a single NPN BJT requires high voltage blocking capability in a small outline package. Consider the 200 mA current limit and 350 mW power dissipation constraints during thermal design. Evaluate the 50 MHz bandwidth for high-speed switching needs. Compare against alternative manufacturers offering equivalent voltage ratings and package styles for supply chain flexibility.

Single Bipolar Transistors Part Context

This component belongs to the general-purpose transistor category from Comchip Technology. It serves as a discrete semiconductor solution for amplification and switching tasks. The product line emphasizes reliability in industrial and consumer electronics applications requiring robust NPN configurations.

Single Bipolar Transistors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with direct replacements based on matching electrical specifications and pinout configuration before substitution.