UM2222AU3HZGT106

Single Bipolar Transistors Overview

The UM2222AU3HZGT106 is a single NPN silicon bipolar junction transistor manufactured by ROHM Semiconductor. It is housed in an SOT-323 (UMT3) surface-mount package with three terminals. Key electrical ratings include a collector-emitter voltage of 40 V, a collector-base voltage of 75 V, and an emitter-base voltage of 6 V. The device supports a continuous collector current of 600 mA and dissipates up to 200 mW of power. It features a gain-bandwidth product of 300 MHz and operates at temperatures up to +150°C. The component holds AEC-Q101 qualification for automotive reliability.

Single Bipolar Transistors Feature Summary

• Automotive-grade reliability certified under the AEC-Q101 standard
• Integrated bias resistor configuration for simplified digital circuit design
• High-speed switching capability suitable for fast transition applications
• Compact SOT-323 surface-mount footprint for space-constrained layouts

Single Bipolar Transistors Applications

• Automotive electronic control units and interface circuits
• General-purpose high-speed switching applications
• Low-frequency amplification stages
• Driver circuits for relays and small loads

Single Bipolar Transistors Procurement Notes

Verify the specific suffix HZGT106 against official ROHM documentation to confirm tape-and-reel packaging quantities and lead times. Ensure compatibility with AEC-Q101 requirements if used in automotive systems. Cross-reference datasheet revisions to confirm pinout consistency with legacy UMT2222A designs. Confirm RoHS compliance status through manufacturer declarations prior to integration.

Single Bipolar Transistors Selection Notes

Select this component when a compact NPN switch with integrated biasing is required for automotive or industrial environments. The 40V rating suits low-voltage logic interfacing. Compare hFE ranges and saturation voltages against load requirements. Consider thermal dissipation limits within the SOT-323 package for high-current duty cycles. Verify frequency response needs against the 300 MHz gain-bandwidth product.

Single Bipolar Transistors Part Context

This part belongs to ROHM's UMT3 series of surface-mount transistors designed for automotive and consumer electronics. It serves as a modern replacement for older through-hole or larger SMD packages while maintaining similar electrical characteristics. The series emphasizes miniaturization and reliability, aligning with industry trends toward smaller form factors in mobile and automotive devices.

Single Bipolar Transistors Replacement Considerations

The UMT2222AT106 is documented as a direct pin-compatible substitute with identical specifications. Both parts share the same SOT-323 package and electrical ratings. Verify that the replacement part meets the same AEC-Q101 qualification standards required for the original application.