PAT0816-C-3DB-T5

Overview

The PAT0816-C-3DB-T5 is a surface-mount chip attenuator manufactured by Susumu. It provides a fixed attenuation of 3 dB with a nominal impedance of 50 Ohms. The device operates within a frequency range from DC to 10 GHz and has a maximum VSWR of 1.5. It is housed in a compact 0603 (0816 metric) package and supports a maximum power dissipation of 64 mW. The component functions reliably across an operating temperature range of -55°C to +125°C.

Feature Summary

• Fixed 3 dB attenuation value for precise signal level control
• Broadband operation extending from DC up to 10 GHz
• Compact 0603 surface-mount footprint for space-constrained designs
• High thermal stability supporting operation up to +125°C

Applications

• RF signal conditioning in wireless communication systems
• Impedance matching networks in microwave circuits
• Signal level adjustment in test and measurement equipment
• Attenuation stages in RF front-end modules

Procurement Notes

Verify the specific suffix T5 against official Susumu documentation to confirm tape and reel specifications. Ensure the 0603 package dimensions align with PCB layout constraints. Confirm RoHS compliance status through the manufacturer's current datasheet, as regulatory statuses may change. Cross-reference the 64 mW power rating with actual circuit thermal conditions to prevent overheating during operation.

Selection Notes

Select this component when a low-profile 0603 attenuator is required for frequencies up to 10 GHz. The 3 dB value suits applications needing moderate signal reduction. Consider the 64 mW power limit carefully; higher power requirements necessitate larger packages like the PAT1220 series. Verify that the 1.5 VSWR meets system return loss specifications. Compare against alternative manufacturers if supply chain diversification is necessary.

Part Context

This part belongs to the Susumu PAT series of thin-film chip attenuators. The series offers various attenuation values and power ratings in standard SMD packages. The PAT0816 designation indicates the 0603 physical size. These components are designed for high reliability in harsh environments, utilizing silicon-based technology suitable for mass production in consumer and industrial electronics.

Replacement Considerations

Official substitutes include other Susumu parts with similar electrical characteristics but different power ratings or sizes, such as the PAT1220-C-3DB-T5 for higher power handling. External equivalents from other manufacturers must be verified for identical 3 dB attenuation, 50 Ohm impedance, and 10 GHz bandwidth compatibility.