C
HIP
C
OMPONENTS
B
ERYLLIUM
O
XIDE
Q
UAD
W
RAP
S
URFACE
M
OUNT
A
TTENUATORS
Quad Wrap Surface Mount Attenuators are designed
for installation directly on printed circuit boards. Metal-
lization on all four edges forms solder fillets around the
entire chip for stronger attachment, easier inspection and
increased heat removal area.
GENERAL SPECIFICATIONS
•
•
•
•
Impedance . . . . . . . . . . . . . . 50 Ohms
Operating Temperature . . . -55˚C to 150˚C
Attenuation Stability. . . . . . 0.0001 dB/dB/˚C
Attenuation Tolerance . . . . 1 - 10 dB ± 0.5 dB
11 - 20 dB ± 1.0 dB
Other attenuation values available upon request.
MATERIAL SPECIFICATIONS
• Solderable
Ground Plane . . . . . . . TIN/LEAD over Nickel
• Substrate . . . . . . . . . . . . Beryllium Oxide Ceramic
• Resistive Elements . . . . Proprietary Nichrome Thin Film
• Environment . . . . . . . . . Meets applicable portions of
MIL-E-5400 and MIL-R-55342
NOTES
Power ratings are average power and based on
maximum film temperature of 150˚C and heat sink
temperature of 100˚C maximum.
w
l
ORDERING INFORMATION
Example . . . . . . . . . . . . . . . . . . . . . . . 83-3XXX - XX.XX
Chip Attenuator
TIN/LEAD over Nickel
Attenuation Value
POWER
WATTS
10
25
PART
NUMBER
83 - 3999
83 - 3998
W
0.250
0.375
L
0.250
0.375
H
0.040
0.040
w
0.050
0.050
l
0.060
0.060
FREQUENCY
DC - 3.0 GHz
DC - 2.0 GHz
MAX.
VSWR
1.50:1
1.40:1
Tel:
800- 544- 5594
Fax:
561- 283- 5286
12
email:
rflabs@rflabs.com
Website:
http://www.rflabs.com
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