Precision Fixed Attenuator
50Ω
2W
7dB
-55°C to 100°C
-55°C to 100°C**
Coaxial
BW-S7W2+
DC to 18000 MHz
Features
• DC to 18000 MHz
• precise attenuation
• excellent VSWR, 1.20 typ.
• stainless steel SMA male and female connectors
CASE STYLE: FF658
Connectors
Model
Price
SMA Female-SMA Male
BW-S7W2+ 29.95 ea.
Qty.
(1-49)
Maximum Ratings
Operating Temperature
Storage Temperature
**With mated connectors. Unmated, 85°C max.
Permanent damage may occur if any of these limits are exceeded.
+RoHS Compliant
Applications
Outline Drawing
• matching
• instrumentation
• test set-ups
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Electrical Specifications
FREQ.
RANGE
(MHz)
ATTENUATION
1
(dB)
DC-4
GHz
f
L-
-f
U
DC-18000
Nom.
7
ACCURACY
-0.4, +0.9
Max.
1.20
VSWR
2
(:1)
4-8
GHz
Max.
1.25
8-12.4
GHz
Max.
1.30
MAX.
INPUT
POWER
3
(W)
2
Outline Dimensions (
inch
)
mm
B
.36
9.14
D
.85
21.59
E
.312
7.92
F
wt
.312 grams
7.92
4.3
1. At 25°C, accuracy includes frequency and power variations. Temperature coefficient for attenuation: .0004dB/dB/°C typ.
2. VSWR from 12.4 to 18 GHz, 1.6:1 typ.
3. Average power at 25°C ambient, derate linearly to 0.5W at 100°C. Peak Power 125W max. 5µsec pulse width, 100 Hz PRF
Typical Performance Data
Frequency
(MHz)
100.00
199.90
1000.00
1999.90
5000.00
7999.90
9999.90
12400.10
15000.00
18000.00
Attenuation
(dB)
6.78
6.79
6.82
6.85
6.95
7.02
7.06
7.04
6.93
7.16
VSWR
(:1)
1.02
1.02
1.03
1.04
1.08
1.11
1.13
1.17
1.24
1.39
Electrical Schematic
BW-S7W2+
ATTENUATION
BW-S7W2+
VSWR
1.45
1.40
1.35
1.30
1.25
1.20
1.15
1.10
1.05
1.00
0
3000
6000
9000
12000 15000 18000
FREQUENCY (MHz)
R2
MALE
R1
R3
FEMALE
ATTENUATION (dB)
7.20
7.15
7.10
7.05
7.00
6.95
6.90
6.85
6.80
6.75
0
3000
6000
9000
12000 15000 18000
FREQUENCY (MHz)
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
VSWR
www.minicircuits.com
P.O. Box 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
Mini-Circuits
®
REV. D
M98898
EE-7120
BW-S7W2
130917
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