INCH-POUND
MIL-PRF-1/1679C
7 June 2012
SUPERSEDING
MIL-PRF-1/1679B
23 September 1999
PERFORMANCE SPECIFICATION SHEET
ELECTRON TUBE, POWER
TYPE 8252W
This specification is approved for use by all Departments
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:
Tetrode, pulse modulator.
See figure 1.
Mounting position: Any.
Weight: 12 ounces (340.2 grams) nominal.
ABSOLUTE RATINGS: Pulse modulation.
Parameter:
Ef
Eb
Ec1
ec1
Ec2
Pp
Pg2
Pg1
tk
ib
Seal temp Seal temp
(glass)
(ceramic)
°C
°C
Unit:
V
kV dc
V dc
v
kV dc
W
W
W
sec
a 1/
Maximum:
28.6
20
-1,000
300
1.5
60
8
1
---
18
200
250
Minimum:
23.4
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180
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Test conditions:
25.0
1.2
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1.0
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180
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11/
11/
See footnotes at end of table I.
GENERAL:
Qualification - Required.
This specification sheet uses accept on zero defect sampling in accordance with MIL-PRF-1, table III.
Service-life guarantee 500 hours minimum tube operating time.
Marking Tubes sold under service-life guarantee shall be marked with the contract number and with the number of
tube operating hours guaranteed.
AMSC N/A
FSC 5960
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