Northern Connectors Radiall SMA Series Coaxial Connectors - Manual (Page 30)

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8-30
SMA
FIElD REPlaCEaBlE HERMETIC MICROSTRIP
RECEPTaClE INFORMaTION
ElECTRICal PERFORMaNCES:
V.S.w.R. to 18 gHz
V.S.w.R. MEaSUREMENT
Setting for V.S.w.R. measurement on field replaceable hermetic receptacle
connector only seal only connector & seal
1.04 + 0.006F (GHz) 1.02 + 0.003F (GHz) 1.06 + 0.01F (GHz)
Ceramic thickness 0.38
L1 = 1.0 to 4.0
Ceramic
a) Measurement with auxiliary contact-assembly drawing
R280 469 000 (for pin DIA 0.30 mm)
R280 469 010 (for pin DIA 0.46 mm)
b) Measurement without auxiliary contact-assembly drawing
Recommended value : L1 = 1.0 mm
ε
The track width on ceramic defines the circuit impedance.