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
Mini-Circuits®
www.minicircuits.com P.O. Box 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
Typical Performance Data
Electrical Specications at 25°C
Maximum Ratings
Operating Temperature -55°C to 100°C**
Storage Temperature -55°C to 100°C
Outline Drawing
Outline Dimensions ( )
BW-S3W20+
A
TTENUATION
2.0
2.5
3.0
3.5
4.0
0 2 4 6 8 10 12 14 16 18
FREQUENCY (GHz)
ATTENUATION (dB)
inch
mm
BW-S3W20+
50Ω 20W 3dB DC to 18 GHz
Precision Fixed Attenuator
REV. A
M134704
BW-S3W20+
MD/TD/CP/AM
120321
Page 1 of 1
Coaxial
CASE STYLE: DC1660
Connectors Model Price Qty.
SMA-F SMA-M BW-S3W20+ $114.95 ea. (1-49)
BW-S3W20+
VSWR
1.0
1.1
1.2
1.3
0 2 4 6 8 10 12 14 16 18
FREQUENCY (GHz)
VSWR
Features
• DC to 18 GHz
• precise attenuation
• excellent VSWR, 1.30:1 typ
• stainless steel SMA male and female connectors
Applications
• matching
• instrumentation
• test set-ups
• high power measurements
Frequency
(GHz)
Attenuation
(dB)
VSWR
(:1)
A B C D E wt
-- 1.50 -- 2.33 .312 grams
-- 38.10 -- 59.18 7.92 49.2
Electrical Schematic
FEMALEMALE R1
R2
R3
**85°C with output into open or short.
Permanent damage may occur if any of these limits are exceeded.
0.01 3.02 1.01
2.0 3.11 1.04
4.0 3.14 1.11
6.0 3.13 1.10
8.0 3.11 1.10
10.0 3.06 1.04
12.4 2.97 1.04
14.0 2.94 1.09
16.0 2.91 1.14
18.0 2.95 1.17
1. Max. power at 25°C ambient, derate linearly to 4W at 100°C. Peak power 500W max. 5µsec. pulse width, 100Hz PRF.
Parameter Condition (GHz) Min. Typ. Max. Unit
Frequency Range DC — 18 GHz
Attenuation DC - 18 — 3 —
dB
DC - 12.4 2.5 — 3.5
12.4 - 18 2.25 — 3.75
VSWR
DC - 6 — — 1.3
:1
6 - 12.4 — — 1.3
12.4 - 18 — — 1.4
Input Power1DC - 18 — — 20 W
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
