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TSX Fixed Chip Attenuators

TSX Fixed Chip Attenuators

TSX Fixed Chip Attenuators

Product catalog summary
Overview: The TSX Series by Smiths Interconnect offers a range of chip attenuators designed for applications from DC to 50 GHz. These components are suitable for space and defense environments due to their robust design and use of thin film technology on alumina substrates.
Key Features:
  • Small form factor for reduced footprint.
  • Surface mountable, ideal for automated assembly.
  • Broad frequency range reduces the bill of materials (BOM) count.
  • Low Voltage Standing Wave Ratio (VSWR) enhances transmitted power.
  • Available in a wide range of attenuation values (1-10, 15, and 20 dB) with tight tolerance for optimal performance.
Applications: The TSX Series is suitable for amplifier circuits, transmit/receive modules, up/down converters, instrumentation, satellite communications, radar, and 5G applications.
Technical Characteristics:
  • Mounting Configuration: Planar
  • Nominal Impedance: 50 ohms
  • Frequency Range: DC - 50 GHz
  • Attenuation Values: 0-10, 15 & 20 dB in 1 dB increments
  • Attenuation Accuracy: ±0.50 dB for 1-10 dB (DC-40 GHz), ±3.0 dB for 15 & 20 dB (40-50 GHz)
  • Input Power: 3.0 watts for 0-1 dB, 2.0 watts for 2-3 dB, 1.0 watt for 4-20 dB
  • Operating Temperature: -55°C to +150°C
  • Storage Temperature: -65°C to +150°C
  • Temperature Coefficient: ±200 PPM/°C Max
  • Moisture Sensitivity Level: MSL 1 - Unlimited
Mechanical and Quality Assurance:
  • Substrate Material: Alumina (Al2O3) 96%
  • Resistive Film: Thin Film, Tantalum Nitride
  • Terminal Material: Thin Film, Solderable Gold over Nickel
  • Protective Coating: Silicon Nitride
  • Unit Marking: Orientation dot and dB Value
  • Quality Assurance: Visual and mechanical inspection, periodic electrical inspection, high reliability testing available per MIL-PRF-55342.
Packaging: Available in Tape and Reel or Waffle Pack.
VSWR: 1.20:1 Max for 1-10 dB (DC-40 GHz), 1.25:1 Max for 15-20 dB (40-50 GHz).
Ordering Information: Specify model number using the format TSXdB.00, where dB represents the attenuation value.
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Catalog excerpts

TSX Fixed Chip Attenuators-1

TSX Series Fixed Chip Attenuators Smiths Interconnect is a leading provider of chip attenuators offering the widest selection of products from DC to Q-band, backed by proven performance and significant heritage. Chip components are offered on Alumina, Aluminum Nitride, Beryllium Oxide, and CVD Diamond for a wide range of applications. TSX Chip Attenuators offers excellent performance and power from DC-50 GHz in a small 0604 package size. The TSX Series of chip attenuators pushes the boundaries of Size, Weight and Power in a cost effective, easy to implement surface mount solution, suitable for a wide array of applications. ■ Small form factor - Reduces overall footprint The TSX Series offers excellent broadband RF performance to 50 GHz while delivering increased power handling in a small surface mount format factor. ■ Broad frequency range – Reduces BOM count ■ Surface mountable – Ideal for pick and place applications ■ Low VSWR – Increases transmitted power ■ Wide range of attenuation values – 1-10, 15 and 20dB The chip attenuator design offers 1 to 3 watts of power handling performance and multiple attenuation values are available for surface mounting. The use of a robust, proven all thin film process technology on an alumina substrate provides a product suitable for harsh environments, such as those of Space and Defense applications. ■ Tight attenuation tolerance – For optimal performance Applications ■ Amplifier Circuits ■ Transmit/Receive Modules ■ Up/Down Converters ■ Instrumentation ■ Satellite

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TSX Fixed Chip Attenuators-2

Technical Characteristics Mounting Configuration Options Electrical Nominal Impedance Frequency Range Attenuation Values Attenuation Accuracy INPUT POWER (CW) dB Watts 2-3 10X CW power based on 1 µS pulse width @ 1% Duty Cycle Environmental Operating Temperature Storage Temperature Temperature Coefficient Moisture Sensitivity Level Mechanical Substrate Material Resistive Film Thin Film, Tantalum Nitride Terminal Material Thin Film, Solderable Gold over Nickel Protective Coating Silicon Nitride Marking Unit Marking Quality Assurance Sample visual and mechanical inspection - 1.0 AQL per mechanical...

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TSX Fixed Chip Attenuators-3

Power Derating Curve Typical Data TSX Series Attenuation Unless otherwise specified, tolerance: X.XXX = ±0.002” 3

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TSX Fixed Chip Attenuators-4

Suggested Mounting Footprint Inches Part Number This is an FPO NEW FILE TO COME Specify Model Number: TSXdB.00 . 0 0 more > smithsinterconnect.com Copyright© 2021 Smiths Interconnect | All rights reserved | Version 1.0 The information contained within this document is subject at all times to applicable Export Control regu lations and legal requirements 4

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