INCH-POUND
MIL-PRF-1/1660C
1 October 2003
SUPERSEDING
MIL-PRF-1/1660B
25 September 1998
PERFORMANCE SPECIFICATION SHEET
ELECTRON TUBE, MICROW AVE, NEGATIVE GRID
TYPE 8403
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:
Triode, planar, ceramic-metal.
See figure 1.
Mounting position: Any.
W eight: 2.5 ounces (71 grams) nominal.
ABSOLUTE RATINGS:
ib
Ec
Ib
epy
Ic
Eb
Parameter:
Ef
F1
tp
V dc
kv
kV dc
Unit:
V
GHz
a
mA dc
mA dc
µs
Anode pulsed osc or amp:
Maximum:
3.0
6.6
---
3.5
-150
3.0 3/
30
10
6
Minimum:
---
6.0 1/ 2/
---
---
---
---
---
---
---
Grid pulsed osc or amp:
Maximum:
3.0
6.6
2.5
---
-150
3.0 3/
30
10
6
Minimum:
---
6.0
---
---
---
---
---
---
---
CW :
Maximum:
2.5
6.6
---
---
-150
---
150
---
---
Minimum:
---
6.0
---
---
---
---
---
---
---
Test conditions:
---
6.3
1,000
---
Adj
---
100
---
---
ABSOLUTE RATINGS:
T
Barometric pressure,
Parameter:
Du
Pp
Pg
reduced
tk
(anode shank)
TE
---
W
Unit:
W
mmHg
sec
°C 5/
°C
Anode pulsed osc or amp:
Maximum:
2 4/
---
250
250
0.01
58
54
Minimum:
---
60
---
---
---
---
---
Grid pulsed osc or amp:
Maximum:
2 4/
---
250
250
0.01
33
54
Minimum:
---
60
---
---
---
---
---
CW :
Maximum:
2
---
250
250
---
100
---
Minimum:
---
60
---
---
---
---
---
Test conditions:
---
300
---
---
---
---
---
See footnotes at end of table I.
_______________________________________________________________________________________________
GENERAL:
Qualification - Required.
AMSC N/A
1 of 10
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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