SSD120-42N, Model SSD120 Trans-Cal Encoder, Solid state, 42K



SSD120-42N, Model SSD120 Trans-Cal Encoder, Solid state, 42K

SSD120-42N Description

The Trans-Cal Industries are dependable Solid-State Altitude Encoders. The SSD120-42N model provides both a reliable and rugged means of measuring air pressure while converting this measurement into the ICAO parallel data as set forth in the International Standard for Pressure Altitude Transmission. This TCI device has an Altitude Range of -1000 to +42,000 feet, and is is in accordance with the U.S. National Standards for Common System Component Characteristics for the I.F.F. Mark X (SIF)/Air Traffic Control Radar Beacon System SIF/ATCRBS.


  • FAA TSO-C88a and also EASA ETSO-C88a Certified
  • Altitude Range: -1000 to +42,000 feet
  • Suitable for ADS-B Installations – 10′ resolution serial data
  • Tested and also Conforming to MIL-STD-704E and RTCA DO-160E
  • Operating Voltage 14-28Vdc
  • Low Power Consumption
  • Standard D-Subminiature Electrical Connectors or MIL Cylindrical Connectors
  • Also, Dual 1/8-27NPT Static Port Inlets or Optional 1/8″ Hose Barb with 360° Adjustable Swivel
  • All Aluminum Housings Treated to Resist Corrosion as per MIL-C-5541E or Anodized as per MIL-A-8625 or Black Powder Coat
  • Standard Operating Temperature Range: -20° to +70°C (-4° to +158°F)
  • Optionally Available with Extended Temperature Range: -55° to +70°C (-67° to +158°F)
  • An “E” suffix in the part number calls out the extended operating temperature range. -55° to +70°C (-67° to +158°F)

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