AT-42086-TR2G

Overview

The Broadcom AT-42086-TR2G is a general-purpose NPN silicon bipolar transistor designed for high-frequency applications up to 6 GHz. Fabricated using a 10 GHz fT self-aligned-transistor process, it features a surface-mount plastic package with a 4-micron emitter-to-emitter pitch and 20 interdigitated fingers. Key electrical specifications include a typical P1 dB of 20.5 dBm at 2.0 GHz, a typical gain of 13.5 dB at 1 dB compression, and a low noise figure of 1.9 dB at 2.0 GHz. The device operates with a collector-emitter voltage of 12 V maximum and supports a collector current of 80 mA.

Feature Summary

• High output power and gain characteristics suitable for medium power applications
• Low noise figure performance optimized for low noise amplifier designs
• Self-aligned-transistor fabrication process ensuring high frequency reliability

Applications

• Wireless system low noise amplifiers
• RF gain stages and buffers
• Oscillators and mixers

Procurement Notes

Verify the specific ordering suffix TR2G corresponds to the 4000-unit 13-inch reel configuration as documented in the official datasheet. Confirm that the lead time and availability status align with current distributor listings before finalizing procurement plans. Ensure compliance with RoHS and lead-free requirements specified for this component variant.

Selection Notes

Select this component when designing circuits requiring a balance of medium power output and low noise figure in the sub-6 GHz range. The 50-ohm impedance matching capability simplifies integration into standard RF systems. Consider the thermal resistance and power dissipation limits when determining heat sinking requirements for continuous operation.

Part Context

This part belongs to the AT-42086 series of silicon bipolar transistors manufactured by Broadcom Limited (formerly Avago Technologies). It utilizes a specialized 10 GHz fT self-aligned-transistor process to achieve consistent performance across production batches. The series is engineered for robustness in wireless communication infrastructure and consumer electronics.

Replacement Considerations

Consult official replacement guides or manufacturer cross-reference lists for verified equivalent components. Do not substitute based solely on generic pinout compatibility without verifying electrical parameter alignment.

FAQ

What is the maximum operating frequency for the AT-42086?

The device is rated for operation up to 6 GHz.

How many emitter fingers does the AT-42086 utilize?

It features a 20 emitter finger interdigitated geometry.

What is the typical noise figure at 2.0 GHz?

The typical optimum noise figure is 1.9 dB at 2.0 GHz.