TE Connectivity
Technology Corner
KOAXXA SMA Frequency and VSWR Measurements
1.5
1.4
1.3
1.2
1.1
KOAXXA SMA RF Interconnects
KEY
VSWR Average Plot for RG402
VSWR Spec Limit for RG402
1.05+0.007*f(GHz)
1
0
5
10
15
20
25
30
Frequency (GHz)
DESCRIPTION
The Voltage Standing Wave Ratio is a unit-less measure of the
maximum voltage of a standing wave in the transmission line.
Standing waves result from the mismatched complex impedances
between the connector and the cable, causing reflections that sum
with the input signal.
KOAXXA SMA Product Specifications
The KOAXXA SMA product family is qualified per TE Connectivity
Product Specification 108-60094.
ELECTRICAL
Low Level Contact Resistance — 15 mOhm delta per EIA-364-23
Insulation Resistance — 5000 Mohms per EIA-364-21
Withstanding Voltage — 750 VAC (flex cable); 1000 VAC (SR cable)
Voltage Standing Wave Ratio — 1.05+.007*f(GHz) up to 18 GHz
(SR cable)
MECHANICAL
Sinusoidal Vibration — 20 G’s, 10 to 2000 Hz per EIA-364-28,
Cond IV
Mechanical Shock — 100 G’s per EIA-364-27, Cond G
Mating Torque — 0.45 N-m [4 in-lb] per EIA-364-13, Method A
Durability — 500 cycles minimum per EIA-364-9
ENVIRONMENTAL
Thermal Shock — 5 cycles from -55 to +85°C per EIA-364-32C
Humidity-Temperature Cycling — 10 cycles from 25 to 65 c at 95%
RH per EIA-364-31B, Cond III
Temperature Life — 85°C for 1000 hours per EIA-364-17B
Mixed Flowing Gas — 14 days mated exposure to Class IIA per
EIA-364-65A
KOAXXA.com
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