ATTENUATORS
SMA, up to 18 GHz, 5 Watts
SPECIFICATIONS:
Models: 18B5W-XX, 18B5W-XXF & 18B5W-XXM
Electrical:
Frequency Range
Standard Freq. Values
Standard dB Values*
Attenuation Accuracy
0 - 6 dB
7 - 20 dB
2 - 30 dB
1
40 dB
VSWR
DC - 4 GHz
4 - 8 GHz
8 - 1 GHz
2.4
1
2.4 - 18 GHz
Input Power
Impedance
Operating Temp Range
DC - 18 GHz
4, 6, 12.4 & 18 GHz
0 - 10, 12, 15, 20, 30, & 40 dB
In 1 dB Increments
Ø.61±.02
[15.49±0.51]
SMA Female
±0.3 dB
±0.5 dB
±0.75 dB
±1.5 dB
1.15:1 Max.
1.20:1 Max.
1.25:1 Max.
1.35:1 Max.
5 Watts Avg. @ 25°C
Derated Linearly to 1 Watt @ +1
o
C
25
50 Ohms
-65°C to +125°C
LENGTH
SEE TABLE
Mechanical:
SMA Connectors
Mates with MIL
-STD-348
Passivated Stainless Steel
Gold Plated Beryllium Copper
Anodized Aluminum
Conductors
Housing
SMA Male
Connector
Configuration
Male/Female
Male/Male
Female/Female
LENGTH
0 - 30 & 40dB
Inches
Millimeters
[30.5 ±1.3]
1.20 ±.05
[33.8 ±1.3]
1.33 ±.05
[26.9 ±1.3]
1.06 ±.05
HOW TO ORDER:
Model Number:
XXB5W-XXY
Freq. Range
4 - DC - 4 GHz
6 = DC - 6 GHz
12 = DC - 12.4 GHz
18 = DC - 18 GHz
Connector Configuration
= Male/Female
F = Fem/Fem
M = Male/Male
dB Value
Ordering Examples:
Model Number:
4B5W-20
DC - 4 GHz, 20 dB; SMA - Male/Fem
Model Number:
18B5W-06F
DC - 18 GHz, 6 dB; SMA - Fem/Fem
Model Number:
12B5W-03M
DC - 12.4 GHz, 3 dB; SMA - Male/Male
Note: Dimensions in Brackets are Expressed in Millimeters and are for Reference Only.
*Othere dB values, units that operated over a more specific frequency band and/or
offer very low return loss (VSWR) are also available.
XXB5W-ATT: REV N
Aeroflex / Inmet, Inc.
• 300 Dino Drive, Ann Arbor, MI 48103 • U.S.A.
888-244-6638 or 734-426-5553 • FAX: 734-426-5557
www.aeroflex-inmet.com • inmetsales@aeroflex-.com
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