INCH-POUND
MIL-PRF-1/1222D
2 July 2004
SUPERSEDING
MIL-PRF-1/1222C
2 July 1999
PERFORMANCE SPECIFICATION SHEET
ELECTRON TUBE, CATHODE RAY
TYPE 12DP7C
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: Magnetic deflection and focus, round 12-inch, aluminized, gray spherical faceplate.
DIMENSIONS AND PIN CONNECTIONS. See figure 1.
ABSOLUTE RATINGS:
Alt
Rg1
Ehk
Eb
Ec2
Ec1
Ef
Parameter:
ft
Meg
V dc
V dc
V dc
V dc
V
Unit:
-200
770
13,200
+180
1/
6.9
Maximum:
60,000
5.7
0
---
4,000
-180
Minimum:
---
---
2/
Test conditions:
6.3
Adjust
250
4,000
---
---
---
See footnotes at end of table I.
GENERAL:
Qualification: Required.
AMSC N/A
FSC 5960
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