INCH-P0UND
MIL-PRF-1/390E
3 August 1998
SUPERSEDING
MIL-E-1/390D
8 November 1971
PERFORMANCE SPECIFICATION SHEET
ELECTRON TUBE, CATHODE RAY
TYPES 3RP1 AND 3RP1A
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 (3RP1 has a curved face and the 3RP1A has a flat face).
PIN CONNECTIONS AND DIMENSIONS: See figure 1.
ABSOLUTE RATINGS:
Parameter:
Ef
Ec1
ed
Eb1
Eb2
Light
Rg
Zd
Alt
output
Unit:
V
V dc
v
V dc
V dc
fL
Megohms
Megohms
ft
Maximum:
6.9
0, -200
550
1,100
2,750
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1.5
1.0
10,000
Minimum:
5.7
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500
4.0
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note 1
Test conditions:
6.3
Adjust
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Focus
1,000
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GENERAL:
Qualification - Required.
AMSC N/A
1 of 5
FSC 5960
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.