TFA20C04DBER

Overview

The TFA20C04DBER is a surface-mount RF attenuator manufactured by Ohmite, designed for wireless and radio frequency integrated circuit applications. It utilizes thin film technology to provide precise signal attenuation within the 0805 (2012 metric) package footprint. The component operates with a nominal impedance of 50 Ohms and supports a maximum frequency of 20 GHz. It delivers an attenuation value of 4 dB across a single channel. The device maintains a maximum Voltage Standing Wave Ratio (VSWR) of 1.5 and functions reliably within a temperature range of -40°C to +125°C.

Feature Summary

• Thin film construction ensures stable performance in high-frequency environments
• Compact 0805 surface mount package facilitates automated PCB assembly
• Single-channel design provides dedicated signal path control

Applications

• Wireless communication systems
• Radio frequency integrated circuits
• Signal conditioning networks

Procurement Notes

Verify compliance with RoHS directives prior to integration. Confirm that the 0805 package dimensions align with the target PCB layout constraints. Ensure thermal management strategies accommodate the specified operating temperature range of -40°C to +125°C during system operation.

Selection Notes

Select this component when a 4 dB fixed attenuation is required at frequencies up to 20 GHz. The 50 Ohm impedance matches standard RF transmission lines. Consider the thin film technology for superior stability compared to other resistor technologies in high-frequency applications.

Part Context

This part belongs to Ohmite's TFA series of RF attenuators, which are categorized under wireless and RF integrated circuits. The series offers various attenuation values and package sizes, including 0603 and 1206 options, to suit different power and space requirements in RF designs.

Replacement Considerations

TFA20C04DBER is functionally equivalent to PAT1220-C-3DB-T5 regarding parameter matching, though attenuation values differ slightly. Verify exact electrical specifications against the specific datasheet before substitution.