ZTX1149ASTZ

Single Bipolar Transistors Overview

The ZTX1149ASTZ is an NPN silicon planar medium-power high-gain transistor manufactured by Diodes Incorporated. It features a collector-emitter voltage of -25V, continuous collector current of 3A, and pulse current capability of 10A. The device operates within a temperature range of -55°C to +200°C with a power dissipation of 1W at 25°C. It utilizes the E-Line package for surface mounting.

Single Bipolar Transistors Feature Summary

• High gain characteristics suitable for amplification applications
• Low saturation voltage for efficient switching performance
• Robust pulse current handling capability up to 10A
• Extended operating temperature range reaching +200°C

Single Bipolar Transistors Applications

• Automotive electronics requiring specific change control
• Medium-power amplification circuits
• General-purpose switching applications

Single Bipolar Transistors Procurement Notes

Verify component authenticity through authorized Diodes Incorporated channels or certified distributors. Confirm datasheet revision DS33333 Rev. 2-3 matches the supplied documentation. Ensure compliance with AEC-Q100/101/104/200 standards if automotive qualification is required. Validate manufacturing origin against IATF 16949 certification requirements.

Single Bipolar Transistors Selection Notes

Evaluate thermal management requirements given the 1W power dissipation limit at 25°C ambient. Consider the E-Line package dimensions for PCB layout constraints. Verify that the -25V collector-emitter voltage rating exceeds maximum circuit operating voltages. Assess whether the high gain and low saturation voltage meet specific signal processing needs.

Single Bipolar Transistors Part Context

This component belongs to the ZTX1149A family of NPN silicon planar transistors designed for medium-power applications. It is intended for use in environments demanding high reliability and extended temperature operation. The product line supports automotive industry standards through qualified manufacturing processes.

Single Bipolar Transistors Replacement Considerations

The datasheet explicitly states the ZTX1149A is not recommended for new designs. Contact Diodes Incorporated directly for updated product recommendations or approved substitute components.