ATTENUATORS
SMA, up to 18 GHz, 25 Watts
SPECIFICATIONS:
Models: XXB25W-XX, XXB25W-XXF & XXB25W-XXM
Electrical:
Frequency Range
Standard Freq. Values
Standard dB Values*
Attenuation Accuracy
3 - 6 dB
7 - 20 dB
2 - 30 dB
1
3 - 40 dB
1
VSWR
DC - 6 GHz
6 - 1 GHz
2.4
1
2.4 - 18 GHz
Input Power
Peak Power
Impedance
Operating Temp Range
DC - 6 GHz
±0.30 dB
±0.50 dB
±0.75 dB
±1.00 dB
DC - 18.0 GHz
6, 1 & 18 GHz
2.4
3, 6, 10, 20, 30 & 40 dB
6 - 1 GHz
2.4
±0.50 dB
±0.75 dB
±1.00 dB
±1.25 dB
1
2.4 - 18 GHz
±0.75 dB
±1.00 dB
±1.25 dB
±1.50 dB
2.65±.02
[67 1±0.5
.3
1]
SQUARE
1.20:1 Max.
1.30:1 Max.
1.40:1 Max.
25 Watts Avg. @ 25°C
Derated Linearly to 5 Watts @ +1 C
25
o
500 Watts Max.
(5uSec Pulse, .05% Duty Cycle)
50 Ohms
-65°C to +125°C
Passivated Stainless Steel
Gold Plated Beryllium Copper
Anodized Aluminum
Mechanical:
SMA Connectors
Mates with MIL
-STD-348
END VIEW
TYPICAL
Units must be Mounted in such a way as to
Allow for Free Air Flow Around fins to Insure
Performance
Conductors
Housing
Model Number:
XXB25W-XX
Male/Female Connectors
Length: 3.79 ±.05 [96.3 ±1.3]
Pictured
3.79±.05
[96.21±1.27]
1.25
[31.75]
Model Number:
XXB25W-XXF
Female/Female Connectors
Length: 3.66 ±.05 [93.0 ±1.3]
Model Number:
XXB25W-XXM
Male/Male Connectors
Length: 3.92 ±.05 [99.6±1.3]
.25 [6.35]
2X 8-32UNC-2B TAP
x .50[12.7] DP
.
Ordering Examples:
Model Number:
18B25W-20
DC - 18 GHz; 20 dB; SMA - Male/Fem
Connector Configuration
= Male/Female
F = Fem/Fem
M = Male/Male
dB Value
Model Number:
6B25W-03F
DC - 6 GHz; 3 dB; SMA - Fem/Fem
2X M4x0.7 TAP
x .50[12.7] DP
.
HOW TO ORDER:
Model Number:
XXB25W-XXY
Freq. Range
6 = DC - 6 GHz
1 = DC - 1 GHz
2
2.4
18 = DC - 18 GHz
Note: Dimensions in Brackets are Expressed in Millimeters and are for Reference Only.
*Other dB values, units that operate over a more specific frequency band and/or offer very
low return loss (VSWR) are also available.
XXB25W-ATT: REV K
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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