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BMA

BMA is a blind mate connector, it's smaller than SMA, and has higher frequency, which can meet 22Ghz.

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

Electrical:

Impedance50 Ω
Frequency rangeDC - 22 GHz
Insertion loss (typ.) dB0.03 √ F (GHz)
RF leakage (min.) dB-90 + F (GHz) for gold and BBR connector body
-80 + F (GHz) for passivated connector body
Insulation resistance≥ 5000 MΩ
Contact resistanceCenter contact: 5 mΩ max. / Outer contact: 2.5 mΩ max.
Voltage in V. RMS
• At sea level
• At 70000 ft		Dielectric withstanding voltage
≥ 1000 V.
200 V.

Working voltage
≤ 335 V.
85 V.

Mechanical&Environmental:

Force to engage13.6 N (3 lbf) max.
Force to disengage0.56 N (0.13 lbf) min.
Cable retention force.085"/ RG405 cable : > 136 N (30 lbf)
.141"/ RG402 cable : > 272 N (61 lbf)
Center contact retention force27 N (6 lbf) min.
Misalignment
• Radial misalignment
• Axial misalignment		Fixed mount
± 0.1mm (.004 in)
0.38mm (.015 in) max.

Float mount
± 0.51mm (.020 in)
1.52mm (.060 in) min.
Temperature range
• Standard models
• Semi-rigid cables
-65°C / + 165°C
-65°C / +105°C
Thermal cyclingMIL-STD-202, Method 107, Condition B, -65°C / +125°C
VibrationMIL-STD-202, Method 204, Condition D, 20 g
ShockMIL-STD-202, Method 213, Condition A, 50 g
BumpsCECC 22000, Paragraph 4.6.2, 4000 bumps per axis
Moisture resistanceMIL-STD-202, Method 106
CorrosionMIL-STD-202, Method 101, Condition A, 96H
Degree of protectionIP54 (male connector with O-ring)

Material/Finish:

 MaterialFinish
Body/NutStainless steel (standard BMA)
Brass (commercial BMA)		Gold or Passivated
Center contactsBrass (male)
Beryllium copper (female)		Gold over Nickel
Outer contactBeryllium copperGold
GasketsSilicon rubber-
InsulatorsPTFE-

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