State of the Art, Inc.
0303 Coplanar Chip Attenuator
Thin Film, Top Surface Terminations
1 to 20 dB
50 milliwatts
DC to 20 GHz
PERFORMANCE CHARACTERISTICS
Attenuation Factor
Maximum Power
Frequency Range
The Frequency response data plotted below shows an example of VSWR
obtained in pressure contact fixtures. Data for chips which are solder attached
to matched circuit traces may exhibit even better performance.
1.20
ENVIRONMENTAL PERFORMANCE*
Thermal Shock
Low Temperature Operation
Short Time Overload
Resistance to Bonding Exposure
Moisture Resistance
High Temperature Exposure
±0.02%
±0.02%
±0.02%
±0.02%
±0.03%
±0.03%
1.15
VSWR
1.10
On Rogers 4350 Board
* Typical percent resistance change -test methods and
actual specification limits are in accordance with Mil-PRF-55342.
1.05
On Chip
TYPICAL LIFE PERFORMANCE
Absolute Percent
Resistance Change
0.5
0.4
0.3
0.2
0.1
0.0
0
250 500 1K 2K 4K 6K 8K 10K
1.00
0
4
8
12
16
20
Frequency (GHz)
Attenuation Tolerance
Test Duration in Hours
Increment (dB)
DC - 4 GHz
4 - 8 GHz
8 - 12 GHz
12 - 16 GHz
16 - 20 GHz
Consult our Engineering Department for frequency specific
performance requirements.
1 to 20 dB
± 0.5 dB
± 0.5 dB
± 0.5 dB
± 0.75 dB
± 1 dB
PART NUMBERING
S 0303 A C 10B0 B (******) W
PACKAGING CODE: - TR = Tape/Reel - W = Waffle Carrier (Default packaging is Bulk)
SCD REFERENCE
TERMINATION FINISH: B: Sn60 over nickel barrier, W: Gold
VALUE CODE:
Three or Four digits are used to express the attenuation value (available from 1 to 20 dB in 1dB increments). The letter “B” is used to
represent the decimal. Example: 10B0 = 10 dB, 1B5= 1.5 dB, etc.
PRODUCT DESIGNATION: C: Attenuator on alumina
TERMINATION TYPE: A: Topside termination D: Metallized Bottom
SIZE CODE
GRADE: S: Standard Production H: High Reliability (For screening options, contact the factory)
MECHANICAL
INCHES
Length
Width
Thickness
I/O Length (a)
I/O Width (b)
Approx. Weight
.035 (.033 - .037)
.035 (.033 - .037)
.011 (.009 - .013)
.005 (.004 - .007)
.011 (.010 - .012)
.00028 grams
Le
ng
th
Wid
th
MILLIMETERS
0.89 (0.84 - 0.94)
0.89 (0.84 - 0.94)
0.28 (0.23 - 0.33)
0.13 (0.10 - 0.18)
0.25 (0.23 - 0.28)
b
a
“Specifications subject to change without notice.”
www.resistor.com
Fax (814) 355-2714
Toll Free 1-800-458-3401
STATE OF THE ART, INC.
2470 Fox Hill Road, State College, PA 16803-1797
Phone (814) 355-8004
10/16/08
Power technology
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