PCAT0404X-5R0BT

Overview

The PCAT0404X-5R0BT is a Pi-type chip attenuator manufactured by Venkel, designed for RF applications. It provides an attenuation value of 5dB with a nominal impedance of 50 Ohms. The device operates within a frequency range of 0 Hz to 3 GHz and has a power handling capability of 100mW. It utilizes a 0404 (1010 Metric) convex package format, suitable for surface mount assembly in high-frequency circuit designs requiring precise signal level control.

Feature Summary

• Pi-type architecture for stable RF attenuation
• Convex package design for reliable surface mounting
• Optimized for operation up to 3 GHz frequency range

Applications

• RF signal conditioning circuits
• Test and measurement equipment
• Wireless communication systems

Procurement Notes

Verify the specific suffix 'CT' if continuous reel packaging is required, as the base part number may denote tape-and-reel or cut-tape variations depending on the distributor configuration. Confirm that the 100mW power rating aligns with the thermal management requirements of the target application environment. Ensure the 50 Ohm impedance matches the system characteristic impedance to prevent signal reflections.

Selection Notes

Select this component when a fixed 5dB attenuation is required in a compact 0404 footprint. The 50 Ohm nominal impedance makes it compatible with standard RF transmission lines. Consider the 100mW power limit to ensure the device does not exceed its thermal dissipation capabilities during continuous operation. The convex package profile may influence solder paste volume selection during assembly.

Part Context

This component belongs to Venkel's PCAT series of passive chip attenuators. These devices are engineered to provide precise resistance values in RF environments. The series offers various attenuation levels and impedance options within standardized metric packages, allowing designers to integrate signal attenuation directly into PCB layouts without discrete components.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative manufacturers by matching the 5dB attenuation, 50 Ohm impedance, 3 GHz frequency limit, and 0404 package dimensions.