IMA Series
ITEM
Standard Impedance:
VSWR (Max)
DC Attenuation Stability:1
Operating Temperature:
Frequency Range:
Standard Case Size:
Architecture:
Data Sheet | ver. B 1/2018
ULR
RoHS
Sn62
NON-MAG
Surface Mount Thick Film Attenuator
SPECIFICATION
50Ω Nominal
1.25:1 up to 4GHz
1.35:1 up to 8GHz
1.50:1 up to 12GHz
.001 dB/ dB/ °C
-55°C to 150°C
DC - 12.4GHz
0.122” x 0.145” x 0.028” Max
Thick Film on 96% Alumina (Al₂O₃)
½
0.122”
x 0.145” Size
½
Characterized to 12.4GHz
½
RoHS compliant or Sn62 solder available
½
Attenuation to 40dB
½
Half dB increments up to 16.5dB
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.
1. Based on TCR and resistor tolerance at DC.
Consult the factory for other substrate thicknesses, sizes or power levels.
Attenuation Accuracy
Increment
1 - 3.5dB
4 - 19dB
20 - 30dB
31 - 40 dB
Accuracy
+/- 0.2dB
+/- 0.3dB
+/- 0.5dB
+/- 1.0dB
Wraparound Terminal Styles
IMA2314
Terminal Style :
Full Wraparound
Terminal Material:
PtAg w/ Sn62 Solder
Attachment:
Solder
IMA2314 FRONT
IMA2314 BACK
IMA2373
S-Parameters, Mag. / Phase, 6dB T-Pad
1.0 To 10GHz - P/N: IMA2314-06D0 mounted to 0.015” thick, 50Ω alumina
Terminal Style:
Full Wraparound
Terminal Material:
PtAg
Attachment:
Solder or Epoxy
IMA2373 FRONT
IMA2373 BACK
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
IMA2609
Terminal Style:
Full Wraparound
Terminal Material :
PtAg w/ Sn96 Solder
Attachment:
Solder
IMA2609 FRONT
IMA2609BACK
IMA2686
Terminal Style:
Full Wraparound
Terminal Material:
ULR PtAg
Attachment:
Solder or Epoxy
IMA2686 FRONT
IMA2686 BACK
Single-Sided & Single-Wrap Styles
IMA2381
Terminal Style:
Single-Sided
Terminal Material:
PtAg
Attachment:
Solder or Epoxy
ORDERING INFORMATION
IMA2314-03D5 (Sample P/N)
IMA2381 FRONT
IMA2381 BACK
IMAXXXX - XX DX
Part #
dB Whole Value (00-40)
dB Increment
(0 denotes whole value)
(5 denotes whole value
+ .5dB available up to 16.5dB)
IMA2370
Terminal Style:
Single-Sided with Backplane
Terminal Material :
PtAg w/ Sn62 Solder
Attachment:
Solder
IMA2370 FRONT
IMA2370 BACK
IMA2371
Packaging: B=Bulk, T=Tape and Reel, W=Waffle
RoHS Compliant =
ULR = Ultra Leach Resistant
Terminal Style:
Single-Wrap to Backplane
Terminal Material :
PtAg w/ Sn62 Solder
Attachment:
Solder
IMA2371 FRONT
IMA2371 BACK
International Manufacturing Services, Inc.
(401) 683-9700 | www.ims-resistors.com
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Specifications subject to change without notice. | AS9100D - ISO9001:2015
Analog electronics
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