Coaxial
Precision Fixed Attenuator
50Ω
5W
20dB
-55°C to 100°C
-55°C to 100°C**
BW-N20W5+
DC to 18000 MHz
Features
• DC to 18000 MHz
• precise attenuation
• excellent VSWR, 1.20 typ
• stainless steel N male and female connectors
Connectors
N-Female N-Male
CASE STYLE: DC736
Model
Price
Qty.
BW-N20W5+ $54.95 ea. (1-49)
Maximum Ratings
Operating Temperature
Storage Temperature
** With mated connectors; unmated, 85°C max.
Applications
Outline Drawing
• matching
• instrumentation
• test set-ups
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix has been added in order to identify 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.
20
ACCURACY
-0.5, +0.8
Max.
1.20
VSWR
2
(:1)
4-8
GHz
Max.
1.25
8-12.4
GHz
Max.
1.30
MAX.
INPUT
POWER
3
(W)
5
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 2W at 100°C. Peak Power 125W max. 5µsec. pulse width, 100 Hz PRF.
Outline Dimensions (
inch
)
mm
B
.61
15.49
D
1.90
48.26
E
.812
20.62
wt
grams
49.7
Typical Performance Data
Frequency
(MHz)
100
2000
4000
6000
8000
10000
12000
14000
16000
18000
Attenuation
(dB)
20.00
20.06
20.07
20.17
20.10
20.07
20.12
20.07
20.17
20.09
VSWR
(:1)
1.01
1.01
1.02
1.10
1.09
1.15
1.05
1.10
1.15
1.03
Electrical Schematic
R2
ATTENUATION (dB)
BW-N20W5+
ATTENUATION
20.3
1.25
1.20
VSWR
1.15
1.10
1.05
1.00
0
3000
6000 9000 12000 15000 18000
FREQUENCY (MHz)
0
3000
6000
9000 12000
FREQUENCY (MHz)
15000
18000
BW-N20W5+
VSWR
MALE
R1
R3
FEMALE
20.2
20.1
20.0
19.9
19.8
Mini-Circuits
ISO 9001 ISO 14001
CERTIFIED
RF/IF MICROWAVE COMPONENTS
®
EW
ALL N
minicircuits.com
REV. C
M98898
EA-8722
BW-N20W5+
070323
Page 1 of 1
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