1478

Terminations & Loads
Model 1478
SMK Connectors
dc to 40.0 GHz
20 Watts
RoHS
TEMPERATURE RANGE: -55°C to +125°C
TEST DATA: Swept data plots of SWR from 50 MHz to
40 GHz is available at additional cost.
CONNECTOR: 2.92mm connector mate nondestructively
with SMA per MIL-C-39012, SMK, 3.5mm and other
2.92mm connector. Choice of male (-2) or female connector
(-1).
CONSTRUCTION: Black, finned aluminum body, gold
plated beryllium copper contacts.
WEIGHT: 200 g (7 oz)
PHYSICAL DIMENSIONS:
Features
o
o
Compact Construction - Lowest size/power ratio.
Precision Injection Molded Connector.
Specifications
NOMINAL IMPEDANCE: 50 Ω
FREQUENCY RANGE:
dc to 40.0 GHz
MAXIMUM SWR:
Frequency (GHz)
SWR
dc - 18
18 - 40
1.20
1.35
POWER RATING (mounted horizontally): 20 watts average (unidirectional) to 25°C ambient temperature, derated
linearly to 2 Watts @ 125°C. 200 watts peak (5 μsec pulse
width; 5% duty cycle).
2
Model #
1478-1
1478-2
DIM A
Connector Type
SMK female
SMK male
NOTE: All dimensions are given in mm (inches) and are
maximum, unless otherwise specified.
5305 Spectrum Drive, Frederick, MD 21703-7362 s TEL: 301-846-9222, 800-638-2048 s Fax: 301-846-9116
web: www.aeroflex.com/weinschel s email: weinschel-sales@aeroflex.com
Revision Date: 2/120/2013