faa rebated3 pocket panel

Collins TDR-950 (SV)

Pre-Owned Transponder

Informational Purposes Only
Collins - Discontinued - 622-2092-001/U

This item has been discontinued and is no longer available.


The TDR-950 is a full featured transponder in a compact chassis. In fact, it has the shortest depth of all transponders, making it possible to install where other units simply won't fit. The TDR-950 offers 250 watts of transmission power, operation up to 62,000 feet, and compatibility with encoders (either an encoding altimeter or a blind encoder).

  • Panel-mounted ATC transponder
  • Remote IDENT capability for pilot convenience
  • Altitude digitizer inputs for automatic altitude reporting on mode C
  • Unit self-test to ensure operational readiness
  • Internal lighting for maximum visibility and easy reading
  • FAA TSO: C74c, class 1A
  • Environmental: Category DAPAABEXXXXX DO-138
  • Dimensions: 1.625"H x 6.25"W x 8.15"L
  • Weight: 2.0 lbs.
  • Altitude: 30000 ft. max.
  • Temperature: -15 to +55C (continuous)
  • Bandwidth: 3dB= +-1 MHz min; 60dB= +-24 MHz max
  • Sensitivity: -71 to -77 dB mW
  • Dynamic range: 52 dB min
  • Random trigger rate: 1 per second max
  • Narrow pulse rejection: 6 dB min at 0.3 us
  • Suppression duration: 36 +-2 us
  • Ident interval: 15 to 30 s
  • Transmitter power output: 250W +-1 dB
  • Reply delay: 2.9 +-0.2 us
  • Reply jitter: +-0.07 us max

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