MIL-PRF-39012/59G
Voltage standing wave ratio (VSWR): From 500 MHz to 12.4 GHz, or approximately 80 percent of the
upper cutoff frequency of the cable, whichever is lower.
Cable group
VSWR
I
1.20 + 0.025 (F) GHz
II, IIa, III, IV
1.15 + 0.02 (F) GHz
VI, VIa, VIb
1.15 + 0.01 (F) GHz
Swept frequency VSWR test setup:
Item 6: VSWR shall be less than 1.025 +.002F (F in GHz).
Item 16: VSWR shall be less than 1.025 +.002F (F in GHz).
Second step of VSWR checkout procedure VSWR shall be less than 1.080 +.005F (F in GHz).
Group B inspection: Use step 5, long cable method.
Qualification and group C inspection: Use step 5, long cable method.
Connector durability: 500 cycles minimum at 12 cycles per minute maximum. The connector shall
meet mating characteristics and force to engage and disengage requirements.
Contact resistance: In milliohms, maximum.
Initial
After environment
Center contact:
3.0
4.0
Outer contact:
2.0
Not applicable
Braid to body:
.5
Not applicable
NOTE: Five milliohms are permissible on passivated steel bodied connectors.
Dielectric withstanding voltage at sea level: In accordance with MIL-STD-202.
Cable group
V rms
I
500
II, IIa, III, IV
750
VI, VIa, VIb
1,000
Vibration, high frequency: In accordance with MIL-STD-202, method 204, test condition D.
Shock: In accordance with MIL-STD-202, method 213, test condition I.
Thermal shock: In accordance with MIL-STD-202, except test high temperature shall be +85°C. High
temperature shall be +200°C for connectors using +200°C cables (see tables I and V).
Moisture resistance: In accordance with MIL-STD-202. No measurements at high humidity. Insulation
resistance shall be at least 200 mega ohms within 5 minutes after removal from humidity.
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