A51-428-3196220 ITT SEALECTRO, A51-428-3196220 Datasheet - Page 2

• Manufacturer Part Number: A51-428-3196220
• Description: RF/COAXIAL, SSMB PLUG, R/A, 50OHM, CRIMP
• Manufacturer: ITT SEALECTRO

Specifications of A51-428-3196220

• Body Style: Right Angle Plug
• Coaxial Termination: Crimp
• Rg Cable Type: RG-178, 196
• Contact Material: Beryllium Copper
• Contact Plating: Gold
• Connector Type: SSMB Coaxial
• Impedance: 50ohm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL
MECHANICAL
ENVIRONMENTAL
GENERAL
frequency of the cable, whichever is lower.
S S P P E E C C I I F F I I C C A A T T I I O O N N S S
Cannon 50 Ohm Connectors
Voltage Standing Wave Ratio (VSWR)
To 12.4 GHz or 80% of upper cut-off
Applicable to 50Ω cables only.(F = GHz)
Vibration, High Frequency
Coupling Nut Retention
Contact Current Rating
Corrosion (salt spray)
Insulation Resistance
Connector Durability
Contact Captivation
Engagement Forces
Temperature Rating
Contact resistance
Frequency Range
Cable Retention
Locknut Torque
Voltage Rating
Thermal Shock
Mating Torque
Insertion Loss
Finish/Plating
RF Leakage
Impedance
Materials
Shock
50Ω
SSMB = 0 to 4.0 GHz. SSMC = 0 to 12.4 GHz
At Sea Level = 250 Vrms. at 21km (70k feet) = 60 Vrms
1000 MΩ minimum
Center Contact = 4.0 m Ω maximum initial. 6.0 m Ω maximum after environment
Outer Contact = 1.0 m Ω maximum initial. 1.5 m Ω maximum after environment
Braid to Body = 1.0 m Ω maximum
1.0 A dc maximum
0.30 dB maximum @ 1.5 GHz
SSMB = -40 dB minimum @ 2 - 3 GHz
SSMC = -50 dB minimum @ 2 - 3 GHz
Cable group
RG178/U, 196/U
RG188/U, 316/U
SSMB: Initial = 26.7 N (6 lbs.) max. engagement and 8.9 N(2 lbs.) minimum disengagement.
After 500 matings = 26.7 N (6 lbs.) max. engagement and 4.4 N (1 lb.) min. disengagement.
SSMC: 0.11 Nm (16 in. oz.) torque max.
SSMB: N/A
0.28 Nm to 0.35 Nm (40 - 50 in. oz)
SSMB: N/A
Body, Body Components: Brass, half hard. Male and Female Contacts: Beryllium Copper.
Insulators: PTFE. Lockwashers: Phosphor Bronze. Crimp Ferrule: Annealed copper alloy.
Center Contacts: Gold plated. Other Metal Parts: Gold or nickel plated to meet the
finish and corrosion requirements of MIL-C-39012
-65° C to 165° C
MIL-STD-202, Method 101, test condition B, 5% salt solution
MIL-STD-202, Method 204, SSMB: test condition B (15 G' s ). SSMC: test condition D (20 G' s )
MIL-STD-202, Method 213, SSMB: test condition B, 75 G's @ 6 milliseconds, 1/2 sine.
SSMC: test condition C, 100 G's @ 6 milliseconds, 1/2 sine.
MIL-STD-202, Method 107, test condition B, except high temperature shall be 85º C.
High temperature shall be 200ºC for connectors using 200ºC cables.
500 matings minimum
8,9 N (2 lbs.) minimum axial force.
When properly assembled to the compatible single braided coaxial cable, the retention
is equal to the breaking strength of the cable.
Body plating options
The following part number suffices can be specified for SSMB and SSMC connectors.
...220 gold body
...910 nickel body
SSMC: 0.2 Nm to 0.23 Nm (28 - 32 in.oz)
SSMC: 111 N (25 lbs. ) minimum
28
Straight
1.25 + .02F
1.30 + .02F
Connector Configuration
SSMB
Right Angle
1.25 + .03F
1.30 + .03F
Specifications and dimensions subject to change
Straight
1.20 + .02F
1.25 + .03F
Dimensions shown in mm (inch)
SSMC
www.ittcannon.com
SSMB / SSMC
Right Angle
1.20 + .03F
1.30 + .02F