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Microlab - Finned Dummy Loads

Numéro de référence WF-0050
Description Finned Dummy Loads
Fabricant Microlab 
Logo Microlab 





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WF-0050 fiche technique
 Extremely Rugged High Power Loads
 High Temperature Refractory Load
Elements
 Transverse Cooling Fins
 Available with most Common Flanges
Waveguide Loads, WF series
Finned Dummy Loads
1.12 - 40 GHz
Microlab WF series dummy loads are the commercial equivalent of the stan-
dard military DA loads. Models are designed to meet the requirements of MIL-D-
3954A in all electrical and mechanical respects for bands from 1.12 to 40.0 GHz.
The WF loads employ transverse cooling fins and high temperature refractory
load elements designed to meet the requirements of MIL-D-3954A. These load ele-
ments are in direct contact with the waveguide walls for optimum heat transfer.
They can withstand extremely high temperature, temperature gradients and ther-
mal shocks. The WG series is a similar finned design, but with enhanced heat trans-
fer. For lower powers unfinned models may meet the need, see the WE series.
These loads can be supplied to operate over the full indicated waveguide fre-
quency band. Generally faster delivery and a more economical unit can be furnished
for use over narrower frequency ranges. Always specify your frequency and VSWR
requirements with any request. Designs to meet special requirements for band-
width, size, flanges, etc., are available on request. (8/08)
Dissipative
Material: Refractory
Test Pressure: 35 psig. max.
Housing Finish: Black Paint
Per TT-E-489
Flange Type:
<2.6 GHz: Contact
>2.6 GHz Flange Cover
Material:
Aluminum
Flange Finish: Iridite Per
MIL-C-5541
Model
No.
Frequency
Range
GHz
Waveguide
Size
RG WR
JAN
Equivalent
WF-0005 1.12 - 1.70 103 650 DA-147/U
WF-0025 2.60 - 3.95 75 284 DA-145/U
WF-0035 3.95 - 5.85 95 187 DA-149/U
WF-0045 5.85 - 8.20 106 137 DA-144/U
WF-0050 7.05 - 10.0 68 112 DA-148/U
WF-0055 8.20 - 8.80 67
8.80 - 12.4
90 DA-146/U
WF-0065 12.4 - 18.0 349 62 DA-159/U
WF-0075 18.0 - 26.5 121 42 DA-160/U
WF-0085 26.5 - 40.0 ‡96 28
‡Aluminum Equivalent
DA-158/U
Rated
Power*
W kW pk
avg. Test
VSWR
max.
Nominal Dimensions Weight
Inches (mm)
nom.
L W H lbs (kg)
8000
4500
2000
1000
600
500
250
150
75
2200 1.15:1 32.9 8.9 11.4 90
(836) (226) (290) (41)
3200 1.10:1 14.0 4.9 6.4 11.5
(356) (124) (163) (5.2)
1000 1.10:1
9.8 3.6 4.1
5.1
(249) (91) (104) (2.3)
710 1.10:1
8.0 3.1 3.9
3.3
(203) (79) (99) (1.5)
460 1.10:1
6.3 2.5 3.1
1.5
(160) (64) (79) (0.7)
290 1.15:1
5.7 2.8 2.8
1.3
1.10:1 (145) (71) (71) (0.6)
160 1.15:1
4.3 2.4 2.4 0.75
(109) (61) (61) (0.34)
80 1.15:1 4.2 2.2 2.2 0.37
(107) (56) (56) (0.17)
100 1.20:1
4.2 2.0 2.0 0.37
(107) (51) (51) (0.17)
*when tested in accordance with MIL-D-3954A
Microlab, A Wireless Telecom Group Company, 25 Eastmans Road, Parsippany, NJ 07054
Tel: (973) 386-9696 • [email protected] • www.microlab.fxr.com • Fax: (973) 386-9191

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