3.2.4.4 Relays

Relay footprint names shall be A B C D (example TYCO IM TH SD which can also be used for the Tyco IM23KS) where:

  • A = manufacturer
  • B = base model
  • C = Mount
    • TH
    • SM
    • WR (wired)
  • D = density
    • SD
    • HD
  • E = optional Impedance if applicable