Precision Fixed Attenuator
50Ω
2W
3dB
-55°C to 100°C
-55°C to 100°C**
Coaxial
BW-S3-2W263+
DC to 26 GHz
Features
• DC to 26 GHz
• precise attenuation
• excellent VSWR, 1.08 typ
• stainless steel SMA male and female connectors
CASE STYLE: FF658
Connectors
Model
Price
Qty.
SMA-Fem SMA-Male
BW-S3-2W263+ $34.95 ea. (1-49)
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Maximum Ratings
Operating Temperature
Storage Temperature
**With mated connectors. Unmated, 85°C max.
Permanent damage may occur if any of these limits are exceeded.
Applications
Outline Drawing
• matching
• instrumentation
• test set-ups
Electrical Specifications at 25°C
Parameter
Frequency Range
Attenuation
1
DC - 26
DC - 12
12 - 18
18 - 26
DC - 12
12 - 18
18 - 26
DC - 26
Condition (GHz)
Min.
DC
—
2.7
2.7
2.7
—
—
—
—
Typ.
—
3
—
—
—
1.07
1.08
1.17
—
Max.
26
—
3.3
3.3
3.7
1.20
1.25
1.40
2
Unit
GHz
dB
Outline Dimensions (
B
.36
9.14
D
.85
21.59
E
.312
7.92
inch
mm
)
VSWR
Input Power
2
:1
W
F
wt
.312 grams
7.92
4.3
1. At 25°C, accuracy includes frequency and power variations. Temperature coefficient for attenuation: .0004 dB/dB/°C typ.
2. Max. power at 25°C ambient, derate linearly to 0.5W at 100°. Peak power 125W max. 5µsec. pulse width, 100Hz PRF
Typical Performance Data
Frequency
(GHz)
0.01
1.0
4.0
8.0
10.0
12.0
14.0
16.0
18.0
20.0
26.0
Attenuation
(dB)
2.79
2.82
2.84
2.88
2.90
2.92
2.95
2.99
3.03
3.09
3.28
VSWR
(:1)
1.00
1.01
1.03
1.05
1.03
1.05
1.06
1.02
1.05
1.11
1.07
Electrical Schematic
R2
MALE
R1
R3
FEMALE
3.4
3.3
ATTENUATION (dB)
3.2
BW-S3-2W263+
ATTENUATION
1.4
1.3
VSWR
1.2
1.1
1.0
BW-S3-2W263+
VSWR
3.1
3.0
2.9
2.8
2.7
0
2
4
6
8
10
12
14
16
18
20
22
24
26
FREQUENCY (GHz)
0
2
4
6
8
10
12
14
16
18
20
22
24
26
FREQUENCY (GHz)
Notes
A.
Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document.
B.
Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.
C.
The parts covered by this specification document are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled
to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp
www.minicircuits.com
P.O. Box 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
Mini-Circuits
®
REV. A
M135662
BW-S3-2W263+
MD/TH/CP/AM
130918
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