ATF-38143-BLKG

Overview

The ATF-38143-BLKG is a single N-channel EpHEMT RF transistor manufactured by Broadcom Limited using Gallium Arsenide (GaAs) technology. Designed for surface-mount installation in an SOT-343 package, it operates at frequencies up to 2 GHz. Key electrical parameters include a gain of 16 dB, a noise figure of 0.4 dB, and a P1dB compression point of 12 dBm. The device supports a drain-source voltage of 4.5 V with a continuous drain current of 145 mA and dissipates up to 270 mW. It is rated for maximum operating temperatures of +150°C.

Feature Summary

• Utilizes GaAs EpHEMT technology for high-frequency performance
• Provides low noise figure suitable for sensitive receiver stages
• Offers moderate power output capability within a compact footprint

Applications

• Low-noise amplifier (LNA) circuits
• RF signal amplification in communication systems
• Wireless infrastructure components

Procurement Notes

Verify component authenticity through authorized channels due to obsolete status. Confirm datasheet revisions match design requirements. Check RoHS compliance documentation for regulatory adherence. Validate package markings against official specifications. Ensure storage conditions meet semiconductor handling standards.

Selection Notes

Evaluate thermal management capabilities given the 270 mW power dissipation limit. Compare noise figure specifications against system sensitivity requirements. Assess impedance matching networks for optimal gain at target frequencies. Consider availability constraints associated with end-of-life status.

Part Context

This component belongs to Broadcom's ATF series of RF transistors, specifically designed for microwave and radio frequency applications. The BLKG suffix typically denotes specific packaging or testing configurations within the product line. It shares technological similarities with other GaAs HEMT devices from the manufacturer.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Designers should consult official Broadcom documentation for recommended alternatives or perform comprehensive characterization when considering cross-brand replacements.