CLA4605-085LF

RF Diode Overview

The CLA4605-085LF is a surface-mountable, low-capacitance silicon PIN limiter diode designed for shunt-connected high-power limiter applications from 10 MHz to over 6 GHz. It features a nominal threshold level of +9 dBm and a maximum series resistance of 2 Ω at 10 mA forward current. The device exhibits a maximum capacitance of 0.45 pF at 6 V reverse bias and operates within an ambient temperature range of -55 °C to +150 °C. Absolute maximum ratings include a reverse voltage of 60 V and a forward current of 1.5 A at 25 °C. The component utilizes a low-profile, ultra-miniature QFN package with dimensions of 2 x 2 mm.

RF Diode Feature Summary

• Low thermal resistance of 91 °C/W achieved through direct copper ground paddle connection
• Ultra-miniature QFN package design reduces parasitic inductance effects compared to other surface mount packages
• Nominal 2 um I-region width combined with low junction capacitance supports large signal limiting
• Moisture Sensitivity Level 1 (MSL1) rated for lead or lead-free soldering processes

RF Diode Applications

• Low-loss, high-power limiters
• Receiver protectors

RF Diode Procurement Notes

Verify the specific datasheet revision date against the manufacturer's official records prior to procurement. Confirm that the ordering suffix matches the required tape and reel format for production integration. Ensure all handling procedures strictly adhere to industry-standard electrostatic discharge precautions during storage and assembly.

RF Diode Selection Notes

Select this component when designing shunt-connected limiter circuits requiring operation up to 6 GHz. Evaluate the 91 °C/W thermal resistance against the expected CW power dissipation and heat sink capabilities. Verify that the system impedance matches the 50 Ω line configuration used for typical performance characterization.

RF Diode Part Context

This part belongs to the Skyworks Solutions CLA4605 series of surface-mount limiter diodes. The product family focuses on providing robust receiver protection in RF front-end architectures. The specific model integrates a silicon PIN diode structure optimized for high-power handling within a compact footprint suitable for modern miniaturized electronic designs.

RF Diode Replacement Considerations

Skyworks offers the CLA4605-085LF-EK1 evaluation board for testing purposes. No alternative substitute part numbers are documented in the provided source material.