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

Typical Performance Data

Electrical Specifications

Maximum Ratings

Operating Temperature

-55°C to 100°C

Storage Temperature

-55°C to 100°C**

Outline Drawing

Outline Dimensions (

)

BW-S9W5+

ATTENUATION

8.5

8.6

8.7

8.8

8.9

9.0

0

3000

6000

9000

12000 15000 18000

FREQUENCY (MHz)

inch

mm

BW-S9W5+

50Ω

5W

9dB

DC to 18000 MHz

Precision Fixed Attenuator

REV. E

M151107

EA-8723

BW-S9W5+

150623

Page 1 of 1

Coaxial

B

D

E

wt

.61

1.20

.312

grams

15.49

30.48

7.92

9.1

BW-S9W5+

ATTENUATION & VSWR

1.00

1.02

1.04

1.06

1.08

1.10

1.12

1.14

1.16

1.18

1.20

0

3000

6000

9000 12000 15000 18000

FREQUENCY (MHz)

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.

Features

• DC to 18000 MHz

• precise attenuation

• excellent VSWR, 1.20 typ.

• stainless steel SMA male and female connectors

Applications

• matching

• instrumentation

• test set-ups

FREQ.

RANGE

(MHz)

(dB)

(:1)

MAX.

INPUT

DC-4

GHz

4-8

GHz

8-12.4

GHz

(W)

f

Nom.

ACCURACY

Max.

Max.

Max.

DC-18000

9

-0.4,+0.8

1.20

1.25

1.30

5

Frequency

(MHz)

Attenuation

(dB)

VSWR

(:1)

100

8.78

1.02

2000

8.82

1.03

4000

8.81

1.03

6000

8.89

1.11

8000

8.78

1.08

10000

8.76

1.02

12000

8.73

1.16

14000

8.62

1.11

16000

8.57

1.05

18000

8.59

1.14

Electrical Schematic

FEMALE

MALE

R1

R2

R3

**With mated connectors. Unmated, 85°C max.

Permanent damage may occur if any of these limits are exceeded.

CASE STYLE: DC737

Connectors

Model

SMA Female-SMA Male

BW-S9W5+

+RoHS Compliant

The +Suffix identifies RoHS Compliance. See our web site

for RoHS Compliance methodologies and qualifications