INCH POUND
MIL-PRF-1/311L
1 October 2009
SUPERSEDING
MIL-PRF-1/311K
10 July 1998
PERFORMANCE SPECIFICATION SHEET
ELECTRON TUBE, CATHODE RAY
TYPES 3ACP1A, 3ACP2A, 3ACP7A
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: Electrostatic deflection and focus.
DIMENSIONS AND PIN CONNECTIONS: See figure 1.
ABSOLUTE RATINGS:
Parameter:
Ef
Ec1
Eb1
Eb2
Eb3
ed
Rg
Zd
Ehk
Eb3/E
Barometric
b2
pressure, reduced
MegΩ
MegΩ
Unit:
V
V dc
V dc
V dc
V dc
v
V dc
Ratio
mmHG
note 1
note 2
note3
3.0
87.0
Maximum:
6.9
-200
1,500
2,200
6,600
550
1.5
1.0
180
Minimum:
5.7
0
---
1,000
1,000
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---
---
1.0
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Test conditions:
6.3
Adjust
Focus
2,000
4,000
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---
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2.0
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__________________________________________________________________________________________________
GENERAL:
Qualification - Required.
AMSC N/A
FSC 5960
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