APD0520-000

RF Diode Overview

The APD0520-000 is a silicon PIN diode bondable chip from the Skyworks APD series, designed for high-performance RF and microwave switch applications. It operates over a wide frequency range from below 100 MHz to beyond 30 GHz. Key electrical specifications include a junction capacitance of 0.20 pF maximum at 50 V reverse bias and 1 MHz, with a typical value of 0.18 pF. The series resistance is 1.0 Ω maximum at 500 MHz with a 10 mA forward current. The device features a voltage rating of 50 V, an I-region thickness of 5 μm, and a thermal resistance of 55 °C/W. It supports a maximum forward current of 200 mA and operates within a temperature range of -65 °C to +175 °C.

RF Diode Feature Summary

• Designed for switch applications requiring low insertion loss and fast switching speed
• Utilizes tightly controlled I-region characteristics via established silicon technology
• Available as a bare die for custom packaging and integration

RF Diode Applications

• RF and microwave switches
• High-frequency attenuators
• Phased array radar systems

RF Diode Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct top contact diameter and die outline compatibility. Confirm that handling procedures adhere to industry-standard ESD precautions due to the sensitivity of the bondable chip. Ensure the application environment remains within the specified operating temperature and power dissipation limits defined in the datasheet.

RF Diode Selection Notes

Select this component for designs prioritizing low junction capacitance and moderate series resistance in switching roles. Compare its 50 V rating and 5 μm I-region thickness against higher voltage variants like the APD08xx or APD15xx series if increased breakdown capability is required. Evaluate the trade-off between the 0.20 pF capacitance and the 1.0 Ω resistance relative to other devices in the APD05xx family based on specific frequency and power requirements.

RF Diode Part Context

This part belongs to the Skyworks APD Series of Silicon PIN Diode Bondable Chips. The series includes various models optimized for either general switching (APD0505 through APD1520) or high-power attenuator applications (APD2220). These chips are manufactured using Skyworks' proprietary silicon process, offering consistent performance across the product line for RF and microwave circuit implementations.

RF Diode Replacement Considerations

Direct substitutes within the same series include APD0505-000, APD0510-000, APD0805-000, and APD0810-000. Selection among these depends on matching the required junction capacitance, series resistance, and voltage rating. Verify that the alternative part number shares the same die outline drawing (150-801) to ensure mechanical compatibility.