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IMA Series Surface Mount
Thick Film Attenuator
IMA Series Custom family surface mount thick film attenuators are
compact, high performance devices especially suited to RF and
microwave applications. Performance is based on the attenuator
operating in a matched continuous 50 ohm system, with proper
device mounting and workmanship.
IMA Series Specifications
VSWR (Max):
1.25:1 up to 4 GHz
1.35:1 @ 4 to 8 GHz
1.50:1 @ 8 to 12 GHz
.0001 dB/ dB/ deg. C *
2W (metalized baseplate maintained
below 100° C)
-55 deg. C to 150 deg. C
DC - 12.4 GHz
0.122” X 0.145” X 0.028” Max
Thick Film on 96% Alumina (Al
2
O
3
)
DC Attenuation Stability:
Power Rating:
Operating Temperature:
Frequency Range:
Standard Case Size:
Architecture:
For other substrate thicknesses, sizes and power levels, consult the factory.
40dB
To
Attenuation Accuracy (DC)
Increment
(dB)
1 - 3.5
4 - 19
20 - 30
31 - 40
Accuracy
+/- 0.2dB
+/- 0.3dB
+/- 0.5dB
+/- 1.0dB
0.2dB
Accuracy
At the circuit level,
with proper application
of RF principles, these
attenuators, and their
variations, are capable of
operating up to 20 GHz
with a managable VSWR.
* Based on TCR and resistor
tolerance at DC
2W
Rated Power
Ordering Information
IMA2314-03D5 (Sample P/N)
IMAXXXX-XXDX
Part #
(See Reverse)
International
Manufacturing
Services, Inc.
dB Increment
(0 denotes whole value)
(5 denotes whole value + .5dB
available to 9.5dB)
dB Whole Value (00-40)
Tel (401) 683-9700
Fax (401) 683-5571
e-mail: ims@ims-resistors.com
http://www.ims-resistors.com
impossible made simple
Ver 2 11/2011 Specifications Subject to Change Without Notice
Wraparound Styles
IMA2314
Terminal Style:
Terminal Materials:
Attachment:
IMA2609
Terminal Style:
Terminal Materials:
Attachment:
IMA2373
Terminal Style:
Terminal Material:
Attachment:
Single-Sided Styles
IMA2381
Terminal Style:
Terminal Material:
Attachment:
IMA2370
Terminal Style:
Terminal Materials:
Attachment:
Single-Sided
Platinum Silver
Solder or Epoxy
IMA2381 FRONT
IMA2381 BACK
Full Wraparound
Platinum Silver with 62/36/2 Tin Lead Silver Solder
Solder
IMA2314 FRONT
IMA2314 BACK
Full Wraparound
Platinum Silver with RoHS Compliant 96/4 Tin Silver Solder
Solder
IMA2609 FRONT
IMA2609 BACK
Full Wraparound
Platinum Silver
Solder or Epoxy
IMA2373 FRONT
IMA2373 BACK
Single-Sided with Backplane
Platinum Silver with 62/36/2 Tin Lead Silver Solder
Solder
IMA2370 FRONT
IMA2370 BACK
Single-Wrap Style (SG)
IMA2371
Terminal Style:
Terminal Materials:
Attachment:
Single-Wrap to Backplane
Platinum Silver with 62/36/2 Tin Lead Silver Solder
Solder
IMA2371 FRONT
IMA2371 BACK
S-Parameters, Mag. / Phase, 6dB T-Pad
1.0 To 10GHz - P/N: IMA2314-06D0
FREQ
(GHz)
1.00
2.10
3.02
4.12
5.04
5.96
7.06
7.98
9.08
10.0
S11
mag
0.020
0.041
0.059
0.081
0.098
0.116
0.137
0.154
0.175
0.192
S11
phase
-91.995
-92.998
-94.046
-95.361
-96.473
-97.588
-98.926
-100.035
-101.358
-102.451
S21
mag
0.501
0.501
0.500
0.499
0.497
0.496
0.494
0.492
0.489
0.486
S21
phase
-1.799
-3.780
-5.428
-7.400
-9.038
-10.670
-12.617
-14.230
-16.153
-17.744
VSWR
1.040
1.086
1.126
1.175
1.218
1.263
1.317
1.365
1.423
1.474
Indicates RoHS
Compliant Part
Non-Magnetic
International
Manufacturing
Services, Inc.
impossible made simple
Ver 2 11/2011 Specifications Subject to Change Without Notice
Tel (401) 683-9700
Fax (401) 683-5571
e-mail: ims@ims-resistors.com
http://www.ims-resistors.com
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