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SMB

SMB connectors are suitable for application from DC up to 4 GHz. respectively 4 GHz.

SMB is quick connection/disconnection snap-on mating.

Selection Matrix
Gender
Orientation
Cable Group
Panel
Impedance
Interface Mating Dimensions Technical Data

Male Femal
LTRMillimeters / Inches
MinimumMaximum
A Ø2.00 Ø.079 Ø2.08 Ø.082
B     1.63 .064
C 0.27 .011 0.52 .021
D 0.29 .012 0.57 .023
E Ø3.40 Ø.134 Ø3.50 Ø.138
F 3.58 .141    
G 0.00 0.00 0.29 .012
H 1.65 .065    
I 2.79 .110    
J Ø0.95 Ø.037 Ø1.02 Ø.040
K Ø0.56 Ø.022 Ø0.60 Ø.024
L Ø3.05 Ø.120 Ø3.10 Ø.122
LTRMillimeters / Inches
MinimumMaximum
A Ø2.10 Ø.083 Ø2.20 Ø.087
B Ø3.66 Ø.144 Ø3.71 Ø.146
C 0.04 .002 0.24 .010
D 3.48 .137 3.53 .139
E 0.05 .002    
F 1.65 .065    
G 2.39 .094 2.72 .107
H Ø3.05 Ø.120 Ø3.10 Ø.122
I Ø0.48 Ø.019 Ø0.53 Ø.021
J Ø0.95 Ø.037 Ø1.02 Ø.040
K 2.51 .099 2.70 .103

Electrical:

Nominal impedance50Ω
Frequency up to4.0 GHz
VSWR1.25+0.05×f GHz
Working voltage250 Volts rms.
Dielectric withstanding voltage750 Volts rms.
Insulation resistance1000 mΩmin.
Contact resistancecenter conductor 6.0 mΩ
outer conductor 1.5 mΩ

Mechanical&Environmental:

MatingSnap on coupling
Cable retention6 kgf typical
Engage fore3.0 kgf max.
Disengage force0.5 kgf min.
Durability≥ 500 cycles
Temperature rangePTFE -55 ℃ to +155 ℃
VibrationPer MIL-STD-202 Method 204 Test Condition D
CorrosionPer MIL-STD-202 Method 101 Test Condition B

Material/Finish:

 MaterialFinish
Connector bodyBrass per(QQ-B-626 or JIS-C3604B)Nickel or gold plating
Center contact maleBrass per(QQ-B-626 or JIS-C3604B)Gold plating
Center contact femaleBeryllium copper per(QQ-C-530 or JIS-C1730)Gold plating
InsulatorPTFENone
Crimp ferruleAnnealed copperSame as body

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