INCH-POUND
MIL-PRF-1/945E
17 September 1999
SUPERSEDING
MIL-E-1/945D
8 May 1975
PERFORMANCE SPECIFICATION SHEET
ELECTRON TUBE, MAGNETRON
TYPES 2J49 AND 2J50
This specification is approved for use by all Depart-
ments and Agencies of the Department of Defense.
The requirements for acquiring the electron tube described herein
shall consist of this document and the latest issue of MIL-PRF-1.
DESCRIPTION: Pulsed, fixed frequency (2J49) 9,080 ± 80 MHz, (2J50) 8,825 ± 75 MHz; magnet separate; 50-kw rated peak power
output.
ABSOLUTE RATINGS:
Parameter:
Ef
tk
tpc
Du
epy
Pi
pi
ib
T(anode)
Alt
Unit:
µs
°C
V
sec
---
kv
W
kw
a
ft
Maximum:
7.0
---
2.5
0.0012
16
180
260
16
100
10,000
Minimum:
--- 2/
120
---
----
---
----
---
---
---
---
PHYSICAL CHARACTERISTICS:
See figure 1.
Dimensions:
3/
Marking:
W eight:
23 ounces (652.04 grams) approximately.
Cathode:
Unipotential.
TEST CONDITIONS:
Parameter:
Ef
tk
tpc
Du
Ib
VSWR
H
µs
Unit:
V
sec
---
mA dc
Ratio
Gauss
±10%
---
---
---
---
Tolerance:
---
---
---
---
---
---
Test 1:
120(max)
6.3
---
5,400
1.05:1
12
0.001
Test 2:
---
0
1.0
5,400
1.5:1
11
0.001
---
Test 3:
0
1.0
5,400 4/
1.5:1
13
0.001
---
Test 4:
0 2/
1.0
See footnotes at end of table I.
_______________________________________________________________________________________
GENERAL:
Qualification: Required.
AMSC N/A
1 of 7
FSC 5960
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
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