POWER RATING 50 watts average (bi-directional),
1 kilowatts peak (5 µsec pulse width; 0.5 % duty cycle) with
case temperature held within 90 °C maximum with appro-
priate conductive heat sink.
POWER COEFFICIENT: <0.0006 dB/dB/watt
TEMPERATURE COEFFICIENT: <0.0004 dB/dB/°C
TEMPERATURE RANGE: -55°C to 90°C (case)
CONNECTORS: Model 85: TNC connectors mate nonde-
structively with MIL-C-39012 connectors.
Model 86: 3.5mm connectors - mate nondestructively with
SMA per MIL-C-39012, 2.92mm and other 3.5mm connec-
tors.
86 Options Description 85 Options Description
1 3.5mm Female 6 TNC Female
2 3.5mm Male 7 TNC Male
CONSTRUCTION: Aluminum body, stainless steel
connectors; gold plated beryllium copper contacts.
Features
oCompact Construction - Lowest size/power ratio.
oPrecision Connectors with high temperature
support beads.
oDesigned to meet environmental requirements of
MIL-A-3933.
oIdeal for Airborne or Space Applications.
Specifications
NOMINAL IMPEDANCE: 50 Ω
FREQUENCY RANGE: Model 85: dc to 18.0 GHz
Model 86: dc to 22.0 GHz
Models 85 & 86 dc to 18.0/22.0 GHz
Medium Power Fixed Coaxial Attenuators 50 Watts
Conduction Cooled, 3.5mm or TNC Connectors
Frequency (GHz) Model SWR
dc - 18.0 85 1.30
dc - 22.0 86 1.30
MAXIMUM SWR:
Nominal ATTN (dB) Deviation (dB)
85 86
3, 6, 10, 20, 30 + 0.70 + 0.80
MAXIMUM DEVIATION OVER FREQUENCY:
NOTE: All dimensions are given in mm (inches) and are
nominal, unless otherwise specified.
MODEL NUMBER DESCRIPTION:
Example: 86 - XX -XX
Basic
Model
Number
Attenuation
Value (dB)
WEIGHT: Model 85: 68 g (2.4 oz.) maximum
Model 86: 60 g (2.1 oz.) maximum
PHYSICAL DIMENSIONS:
Model 85 (TNC):
Model 86 (3.5mm):
Connector DIM A
3.5mm Male 13.4+0.5 (0.53+0.02)
3.5mm Female 9.9+0.5 (0.32+0.02)
Connector DIM A
TNC Male 18.4+0.25 (0.744+0.01)
TNC Female 13.8+0.25 (0.546+0.01)
Connector Options
1st digit is input side
2nd digit is output side
5305 Spectrum Drive, Frederick, MD 21703-7362 TEL: 301-846-9222, 800-638-2048 Fax: 301-846-9116
web: www.weinschel.com email: sales@weinschel.com
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