AS186-302

RF Switches Overview

The AS186-302 is a GaAs FET IC SPDT nonreflective switch designed for commercial applications. It operates from DC to 4 GHz with a typical insertion loss of 1 dB and isolation of 55 dB at 0.9 GHz and 1.9 GHz. The device features positive voltage control (0/3 to 0/5 V) and is housed in an MSOP-8 exposed pad package. It supports operation up to 6 GHz and is lead-free and RoHS-compliant.

RF Switches Feature Summary

• High isolation performance suitable for demanding RF environments
• Nonreflective design ensures signal integrity
• Positive voltage control simplifies interface logic

RF Switches Applications

• Base station synthesizer switches
• GSM and PCS systems
• WCDMA infrastructure
• 2.4 GHz ISM band applications
• 3.5 GHz wireless local loop

RF Switches Procurement Notes

Verify the specific suffix (e.g., LF) against the datasheet, as it indicates lead-free compliance. Confirm availability status, as this component may be discontinued or have limited supply. Ensure the operating environment temperature range aligns with the specified commercial limits. Check for any specific handling requirements associated with the GaAs technology and MSOP-8 package during assembly.

RF Switches Selection Notes

Select this component when high isolation and low reflection are critical for RF signal paths. It is suitable for base station synthesizers requiring a three-switch solution. Consider the MSOP-8 package size for space-constrained designs. Verify that the positive control voltage levels match the system's logic outputs. Evaluate the frequency range requirements to ensure the 4 GHz specification meets the application needs.

RF Switches Part Context

This part belongs to Skyworks' portfolio of GaAs FET switches. It is designed for cost-effective, high-isolation commercial applications. The MSOP-8 package provides a compact footprint. It is distinct from other variants by its specific control voltage and frequency characteristics.

RF Switches Replacement Considerations

Check for direct substitutes within the Skyworks AS186 series. Verify pinout compatibility if replacing with similar SPDT switches. Ensure replacement parts meet the same isolation and insertion loss specifications.