Square SMA Adapter

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The SMA adapter has two internal constructions, one is to align the ferrule of the SMA connector with a copper sleeve, and the other is to have a sleeve at the joint without the sleeve, which is directly connected by the metal forming connection hole. According to the use of the SMA jumper, the alignment accuracy of the SMA adapter is generally not strict with the SC adapter, and the SMA jumper generally only has a multimode jumper, so the SMA adapter generally does not have a single multimode. SMA adapters are widely used in communication equipment and various test instruments, especially in military equipment and medical equipment.



  • JIS C5972 Compliance
  • Corrosion resistant housing
  • Precision connection with sleeve
  • SM and MM connector can be used interchangeably
  • Low insertion loss, High Return loss
  • Good interchangeability and reliability
  • Meet IEC and ROHS standards
  • High precision of mechanical dimensions Accuracy


Test item (SM-9/125) UPC (SM-9/125) APC MM PC
Insertion Loss ≤0.2dB ≤0.2dB ≤0.2dB
Return Loss ≥50 dB ≥60 dB ≥35 dB
Durability (500 Mating) 0.1dB Max.
Withdrawal force (g/f) 2.0N ~ 5.9N (200gf ~ 600gf)
Storage Temp(℃) -40~+85


Products Materials

Parts name Material Color
Housing body Nickel plated brass/Zinc alloy
Sleeve High precision Ceramic sleeve White
Dust Cover Rubber Red/Black/Metal


Available for Simplex of SM UPC, SM APC, MM OM1 62.5/125, MM OM2 50/125



  • Patch panels, ODF and other optical connections.
  • Optical networks demarcation and monitoring point

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