Consult Factory for other attenuation values, termination
styles and case sizes.
ENVIRONMENTAL SPECIFICATIONS
OPERATING TEMPERATURE:
-55°C to +150°C
100% inspection Per MIL-STD-883
ELECTRICAL AND MECHANICAL
SPECIFICATIONS
NOMINAL IMPEDANCE:
50 Ohms
FREQUENCY RANGE:
DC to 20 GHz
VALUES AVAILABLE:
0 to 10 dB (1 dB increments)
INPUT POWER CW:
1W: 0 to 6 dB
0.75W: 7 to 10 dB
VSWR:
1.25:1 typical
FREQUENCY RESPONSE (dB):
D.C. to 10 GHz: ±0.50 dB
>10 GHz: ±1 dB
SUBSTRATE MATERIALS:
AlN (1 to 10 dB)
Al
2
O
3
(0 dB)
RESISTORS:
Tantalum Nitride
TERMINAL:
Thin Film metal stack, Au
THE ENGINEERS’ CHOICE
®
www.atce ra mic s.c om
ATC # 001-1149 Rev. C; 9/17
Mechanical Configurations
0.004
0.016
ø0.003
0.008
0.024
TOP
VIEW
0.031
0.003
0.014
0.024
0.031
BOTTOM
VIEW
0.005
0.015
ø0.003
0.010
0.063
Dimensions are in inches
0.010
0.063
Part Thickness .020 ± .001 (all values)
.0055
.0055
.024
G
R
D
.028
.042
.035
Dimensions are in inches
NOTE: The Ground pad is also used to remove heat from the component.
Provisions must be made to connect to heat sink.
The Ground pad is also used to remove heat from the component.
Provisions must be made to connect to heat sink.
ATC PART NUMBER CODE
ATC AT
Product Designation
Case Size
Power Rating:
T = 1 W (0 to 6 dB)
C = 3/4 W (7 to 10 dB)
Attenuation:
0 to 10 dB
Configuration
E = All Terminations wrapped and
patterned ground plane
The above part number refers to an ATC AT 0603 Case Size with an attenuation of 3dB, 1W Power Rating, wrapped and patterned
ground plane configuration with Non-Mag Gold Termination and tape and reel packaging, 1000 pcs.
ATC accepts orders for our parts using designations
with
or
without
the
“ATC” prefix. Both methods of defining the part number are equivalent, i.e.,
part numbers referenced with the “ATC” prefix are interchangeable to parts
referenced without the “ATC” prefix. Customers are free to use either in
specifying or procuring parts from American Technical Ceramics.
0603
T
03
E
CA T
D
Quantity
D = 1000, B = 500, 7 = 100, 3 = 25
Packaging
T = Tape & Reel: 7’’ reel, 1000 pcs.
.
C = Cap Pack, 100 pcs.
S= Snippet
Termination:
CA = Non-Mag Gold
For additional information and catalogs contact your ATC
representative or call direct at (+1-631) 622-4700.
Consult factory for additional performance data.
A M E R I C A N
ATC North America
sales@atceramics.com
T E C H N I C A L
ATC Europe
saleseur@atceramics.com
C E R A M I C S
ATC Asia
sales@atceramics-asia.com
2
w w w.a t c e ra m ic s .c om
ATC AT Series 0603 RF/Microwave Attenuator Performance Data
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
-11
-12
RF/Microwave Attenuator Series Measured Data
0 dB
1 dB
2 dB
3 dB
4 dB
5 dB
6 dB
7 dB
8 dB
9 dB
10 dB
Magnitude (dB)
-2
0
2
4
6
8
10
12
Frequency (GHz)
14
16
18
20
All testing performed on 13.3-mil-thick Rogers RO4350 microstrip board, with the UUT subtending a 44 mil gap in a 30 mil-wide center trace (nominal
50-ohm characteristic impedance). Measurements were made using a four-receiver architecture. Measurements have been de-embedded to the edges of
the UUT using a standard TRL calibration procedure.
RF / Microwave Attenuator Test Condition Description
0
-1
-2
RF/Microwave Attenuator Series Modeled Data
0 dB
1 dB
2 dB
3 dB
4 dB
5 dB
6 dB
7 dB
8 dB
9 dB
10 dB
Magnitude (dB)
-3
-4
-5
-6
-7
-8
-9
-10
-11
0
5
10
15
20
Frequency (GHz)
25
30
Models were simulated using Ansoft HFSS version 14 in a perfect 50 ohm environment with ideal ports placed at the edge of the pads to ground. The
boundary condition was set to be a radiating boundary in air.
Sales of ATC products are subject to the terms and conditions contained in American Technical Ceramics Corp. Terms and Conditions of Sale (ATC document #001-992).
Copies of these terms and conditions will be provided upon request. They may also be viewed on ATC’s website at www.atceramics.com/productfinder/default.asp. Click
on the link for Terms and Conditions of Sale.
ATC has made every effort to have this information as accurate as possible. However, no responsibility is assumed by ATC for its use, nor for any infringements of rights of
third parties which may result from its use. ATC reserves the right to revise the content or modify its product without prior notice.
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