MIL-PRF-39012/18H
Voltage standing wave ratio (VSWR): From 500 to 4 GHz, or approximately 80 percent of upper
cutoff frequency of the cable, whichever is lower; 1.30 maximum.
Swept frequency VSWR test setup:
Item 6 - VSWR shall be Less than 1.015 + .005 F (F in GHz).
Item 16- VSWR shall be Less than 1.015 + .005 F (F in GHz).
Second step of VSWR checkout procedure - VSWR shall be less then 1.045 + .019 F (F in GHz).
Group B inspection - VSWR shall be less than 1.1 + .01 F (F in GHz).
Qualification and group C inspection - VSWR shall not exceed 1.15.
Connector durability: 500 cycles minimum at 12 cycles/minute maximum. The connector shall meet
the mating characteristics and force to engage end disengage requirements.
Contact resistance: In milliohms maximum:
Initial
After environment
Center contact
1.5
2.0
Outer contact (silver)
.2
Not applicable
Outer contact (nickel)
.4
Not applicable
Braid to body
.1
Not applicable
Dielectric withstanding voltage: Method 301 of MIL-STD-202. 1,500 volts rms minimum at sea level.
Vibration, high frequency: Method 204 of MIL-STD-202, test condition B. No discontinuity permitted.
Shock: Method 213 of MIL-STD-202, test condition G. No discontinuity permitted.
Thermal shock: Method 107 of MIL-STD-202, test condition B, except test high temperature shall be
+85°C. High temperature shall be +200°C for connectors using +200° cables (see tables I and III).
Moisture resistance: Method 106 of MIL-STD-202. No measurements at high humidity. Insulation
resistance shall be at least 200 megohms within 5 minutes after removal from humidity.
Corona Level:
Voltage - 375 volts rms, minimum.
Altitude - 70,000 feet.
RF high potential withstanding voltage:
Voltage and frequency: 1,000 volts rms at a frequency from 5 to 7.5 MHz.
Leakage current: Not applicable.
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