142-4408-106 Emerson Network Power, 142-4408-106 Datasheet - Page 52
![RF Connectors R/A PLG 142/400 Ni](/photos/32/16/321662/142-4408-106_lg_sml.jpg)
142-4408-106
Manufacturer Part Number
142-4408-106
Description
RF Connectors R/A PLG 142/400 Ni
Manufacturer
Emerson Network Power
Datasheet
1.133-3711-801.pdf
(294 pages)
Specifications of 142-4408-106
Product
Connector
Rf Series
SMA
Gender
Plug
Polarity
Reverse
Contact Plating
Gold
Shell Plating
Nickel
Impedance
50 Ohms
Termination Style
Crimp
Connector Type
Plug Crimp
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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52
SMA - 50 Ohm Connectors
End Launch Connectors - A Johnson Original
INCHES (MILLIMETERS) • CUSTOMER DRAWINGS AVAILABLE ON REQUEST
The End Launch connector is attached to the circuit board
by inserting the board edge between the legs and solder-
ing the legs and center conductor to pads on the board.
For optimum high frequency performance, the connector
to circuit board transition must be adjusted for low VSWR.
To compensate for the transition from coax to microstrip,
trace widths “A” and “B” must be adjusted based on circuit
board thickness. When properly adjusted, this technique
yields a low VSWR over a wide bandwidth.
The tabulated dimensions “A”, “B”, “C”, "D", and “E” were
determined experimentally to achieve low VSWR (typically
less than 1.5 up to 18 GHz). The circuit board used for
these tests was double-sided FR 4 with 1 oz. copper on
ELECTRICAL RATINGS
Impedance: 50 Ohms
Frequency Range: 0-18 GHz
VSWR: Dependent upon application
Working Voltage (VRMS max.): 335 @ Sea Level, 85 @ 70K Feet
Dielectric Withstanding Voltage (VRMS min. at sea level): 1000
Corona Level (Volts min. at 70,000 feet): 250
Insulation Resistance: 5000 megohms min
Contact Resistance (milliohms max.): 3.0 Initial, 4.0 after environmental
RF High Potential Withstanding Voltage (VRMS min. tested at
MECHANICAL RATINGS
Engagement Design: MIL-C-39012, Series SMA
Engagement/Disengagement Force: 2 inch-pounds max.
Mating Torque: 7 to 10 inch-pounds
Coupling Proof Torque: 15 inch-pounds min.
Coupling Nut Retention: 60 pounds min.
Contact Retention Force: 6 lbs min. axial force, 4 inch-ounce min. torque
Durability: 500 cycles min.
4 and 7 MHz): 670
Connectivity Solutions
Tel: 800-247-8256
SMA End Launch Specifications
•
Fax: 507-833-6287
Tabulated Dimensions “A”, “B”, “C” and “D” are symmetrical about the center line
142-0701-801/806
142-0701-851/861
142-0701-871/876
142-0711-821/826
142-0711-871/876
142-0711-881/886
142-0701-881/886
Surface Mount Versions Available!
ENVIRONMENTAL RATINGS
(Meets or exceeds the applicable paragraph of MIL-C-39012)
Temperature Range: -65
Thermal Shock: MIL-STD-202, Method 107, Condition B
Corrosion: MIL-STD-202, Method 101, Condition B
Shock: MIL-STD-303, Method 213, Condition I
Vibration: MIL-STD-202, Method 204, Condition D
Moisture Resistance: MIL-STD-202, Method 106
MATERIAL SPECIFICATIONS
Bodies: Brass per QQ-B-626, gold plated* per
Contacts:
Male - brass per QQ-B-626, gold plated per MIL-G-45204 .00003" min.
Female - beryllium copper per QQ-C-530, gold plated
Nut Retention Spring: Beryllium copper per QQ-C-533. Unplated
Insulators: PTFE fluorocarbon per ASTM D 1710 and ASTM D 1457
Mounting Hardware: Brass per QQ-B-626 or QQ-B-613, gold plated per
*All gold plated parts include a
PART
.00005" min. nickel underplate barrier layer.
both sides. The copper was left on the bottom of the board
to create a ground plane for the 50 Ohm microstrip structure.
While not all inclusive, these dimensions are given as
reference information for selected SMA End Launch
connectors. Further adjustments may be necessary
depending upon the application. All dimensions are in inches.
NO.
per MIL-G-45204 .00003" min.
MIL-G-45204 .00001" min. or nickel plated per QQ-N-290
MIL-G-45204 .00001" min. or nickel plated per QQ-N-290
•
www.EmersonNetworkPower.com/connectivity
WIDTH
BASE BOARD
.375
.375
.375
.250
.375
.375
.375
THICK
.062
.062
.062
.062
.047
.047
.031
o
to + 165
.103
.103
.103
.103
.083
.083
.050
“A”
o
C
.090
.090
.090
.070
.075
.075
.045
“B”
.250
.250
.250
.170
.250
.250
.250
“C”
.440
.440
.440
.380
.440
.440
.440
“D”
.200
.200
.200
.165
.200
.200
.200
“E”
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