INCH POUND
MIL-PRF-1/273K
16 June 2003
SUPERSEDING
MIL-PRF-1/273J
26 June 1998
PERFORMANCE SPECIFICATION SHEET
ELECTRON TUBES, CATHODE RAY
TYPES 5CP1A , 5CP1B , AND 5CP12
This specification is approved for use by all Depart-
ments and Agencies of the Department of Defense.
The requirements for acquiring the electron tubes described herein
shall consist of this document and the latest issue of MIL-PRF-1.
DESCRIPTION: Electrostatic deflection and focus with post accelerator.
See figure 1.
Mounting position: Any.
ABSOLUTE RATINGS:
Parameter:
Type
Ef
Ec1
ed
Eb1
Eb2
Eb3
phosphor
Unit:
V
V dc
v
V dc
V dc
V dc
Maximum:
ALL
6.9
0
550
1,100
2,200
4,400
Minimum:
1A, 1B
5.7
-200
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1,500
1,500
12
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-200
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1,500
1,500
Parameter:
Type
Light output
Rg
Zd
Ehk
Eb3/Eb2
Barometric pressure
phosphor
reduced
fL (cd/m2)
Unit:
Megohm
Megohm
V dc
Ratio
mmHg
Maximum:
ALL
1.5
1.0
-125
2:3
87
Minimum:
1A, 1B
15 (51.4)
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12
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Parameter:
Type
Ef
Ec1
ed
Eb1
Eb2
Eb3
phosphor
Test conditions:
V
V dc
v
V dc
V dc
V dc
1A, 1B
6.3
Adjust
---
Focus
1,500
3,000
12 note 7
6.3
Adjust
---
Focus
2,000
4,000
____________________________________________________________________________________________________
GENERAL:
Qualification - Required (note 1).
AMSC N/A
1 of 7
FSC 5960
DISTRIBUTION STATEMENT A. Approved for pubic release; distribution is unlimited.