INCH-POUND
MIL-PRF-1/1386F
2 December 2008
SUPERSEDING
MIL-E-1/1386E
20 July 1976
PERFORMANCE SPECIFICATION SHEET
ELECTRON TUBE, CATHODE RAY
TYPE 4QP2
Inactive for new design
after 5 December 1997
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:
Flat face, rectangular, electrostatic deflection and focus, post accelerator.
DIMENSIONS AND PIN CONNECTORS:- See figure 1.
ABSOLUTE RATING:
Parameter:
Ef
Ec1
Eb1
Eb2
Eb3
Ed
Rg
Unit:
V
Vdc
Vdc
Vdc
Vdc
V
Meg
Ω
Maximum
6.9
0
160
650
3,400
200
1.5
Minimum:
5.67
-200
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6.3
Adjust
Focus
575
3,000
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TEST CONDITIONS:
(Cathode reference )
(Notes 1 and 2)
6.3
Adjust
Focus
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TEST CONDITIONS:
(Oscilloscope use)
(Ground reference)
( Notes 1 and 2)
ABSOLUTE RATINGS:
Parameter:
Zd
Ehk
Eb3/Eb2
Ek
Egeom
Esd
East
Escn
Meg Ω
Unit:
Vdc
Ration
Vdc
Vdc
Vdc
Vdc
Vdc
(Note 2)
Maximum
----
+180
5.2
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Minimum:
1.0
-180
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TEST CONDITIONS:
Cathode reference )
(Notes 1 and 2)
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-575
Adjust
Adjust
Adjust
2,425
TEST CONDITIONS:
(Oscilloscope use)
(Ground reference)
( Notes 1 and 2)
GENERAL:
Qualification - Required
AMSC N/A
FSC 5960
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