SPECIFICATIONS:
Models: XXB25W-XX, XXB25W-XXF & XXB25W-XXM
XXB25W-ATT: REV K
Mechanical:
Electrical:
Mates with MIL-STD-348
Derated Linearly to 5 Watts @ +125 C
(5uSec Pulse, .05% Duty Cycle)
o
Standard dB Values*
Impedance
Operating Temp Range
DC - 6 GHz
7 - 20 dB
3-6dB
6 - 12.4 GHz
Attenuation Accuracy
Input Power
Peak Power
VSWR
Frequency Range
3, 6, 10, 20, 30 & 40 dB
50 Ohms
-65°C to +125°C
1.20:1 Max.
±0.75 dB
±1.00 dB
1.30:1 Max.
25WattsAvg.@25°C
500 Watts Max.
6 - 12.4 GHz
±0.50 dB
±0.75 dB
DC - 18.0 GHz
±0.30 dB
±0.50 dB
DC - 6 GHz 12.4 - 18 GHz
21 - 3 0 d B ±0.75 dB ±1.25 dB±1.00 dB
31 - 4 0 d B ±1.00 dB ±1.50 dB±1.25 dB
12.4 - 18 GHz 1.40:1 Max.
Gold Plated Beryllium Copper
SMA Connectors
Conductors
Housing
Passivated Stainless Steel
Anodized Aluminum
6, 12.4 & 18 GHz
Standard Freq. Values
Units must be Mounted in such a way as to
Allow for Free Air Flow Around fins to Insure
Performance
2.65±.02
[67.31±0.51]
SQUARE
END VIEW
TYPICAL
= Male/Female
F = Fem/Fem
Connector Configuration
12 = DC - 12.4 GHz
18=DC-18GHz
XXB25W-XXY
6=DC-6GHz
DC - 6 GHz; 3 dB; SMA - Fem/Fem
Model Number:
DC - 18 GHz; 20 dB; SMA - Male/Fem
Model Number:
18B25W-20
6B25W-03F
HOW TO ORDER:
Model Number:
Freq. Range
Ordering Examples:
M = Male/Male
dB Value
Model Number: XXB25W-XX
Male/Female Connectors
Length: 3.79 ±.05 [96.3 ±1.3]
Pictured
Female/Female Connectors
Length: 3.66 ±.05 [93.0 ±1.3]
XXB25W-XXFModel Number:
Male/Male Connectors
Length: 3.92 ±.05 [99.6±1.3]
XXB25W-XXMModel Number:
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.
ATTENUATORS
SMA, up to 18 GHz, 25 Watts
3.79±.05
[96.21±1.27]
.25 [6.35]
2X M4x0.7 TAP
x .50[12.7] DP.
2X 8-32UNC-2B TAP
x .50[12.7] DP.
1.25
[31.75]
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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