Model 251, High Power Fixed Coaxial Attenuator, dc-6

Fixed Coaxial Attenuators
Model 251
High Power, N Connectors
dc to 6.0 GHz
200 Watts
Convection Cooled, Bi-directional
RoHS
POWER RATING: 200 watts average (Bi-directional) to
25°C ambient temperature, derated linearly to 20 watts @
125°C ambient. 10 kilowatt peak (5 μsec pulse width;
1% duty cycle).
POWER COEFFICIENT: <0.0001 dB/dB/watt
TEMPERATURE COEFFICIENT: <0.0004 dB/dB/°C
TEMPERATURE RANGE: -55°C to 125°C
Features
o
o
Quality connectors with special high temperature
support beads.
Designed to meet environmental requirements of
MIL-DTL-3933.
Specifications
NOMINAL IMPEDANCE:
50 Ω
FREQUENCY RANGE:
dc to 6.0 GHz
MAXIMUM DEVIATION OVER FREQUENCY:
Nominal
ATTN (dB)
Deviation (dB)
TEST DATA: Swept data plots of attenuation and SWR
from 50 MHz to 6 GHz.
CONNECTORS: Type N connectors per MIL-STD-348
interface dimensions - mate nondestructively with
MIL-C-39012 connectors.
Connector Options
Type/Description
3
4
Type N, Female
Type N, Male
CONSTRUCTION: Black Finned Aluminum alloy body,
stainless steel connectors; gold plated beryllium copper
contacts.
WEIGHT: 1,530 g (3 lbs, 6 oz) maximum
+ 2.00
10, 20, 30 , 40
MODEL NUMBER DESCRIPTION:
Example:
MAXIMUM SWR:
Frequency (GHz)
SWR
dc - 2
1.10
2-6
1.20
251 - XX - XX
Basic
Model
Number
Attenuation
Value (dB)
Connector Options
1st digit is input side
2nd digit is output side
PHYSICAL DIMENSIONS:
Connector
N Male
N Female
DIM A
22.9 (0.90)
15.0 (0.59)
NOTE: All dimensions are given in mm (inches) and are maximum, unless otherwise specified.
67
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: [email protected]
Revision Date: 9/30/2012