INCH-POUND
MIL-PRF-1/290E
22 Februalry 2008
SUPERSEDING
MIL-E-1/290D
1 February 1971
PERFORMANCE SPECIFICATION SHEET
ELECTRON TUBE, RECEIVING
TYPE OA2WA
Inactive for new design
after 7 March 1997
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 MIL-PRF-1.
DESCRIPTION:
Voltage regulator, miniature.
Outline
---
5-3 (EIA).
Base
---
E7-1.
Envelope
---
T5-1/2.
Cathode
---
Glow discharge.
Base connections:
Pin No.
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1
2
3
4
5
6
7
Element
---
a
k
int
k
a
int
k
con
con
ABSOLUTE RATINGS:
Parameter:
Total darkness
Ambient light
Operating
Operating
TA
TE
Alt
ionization voltage
ionization voltage
voltage
current
Unit:
V dc
V dc
V dc
mA dc
°C
°C
ft
Maximum:
165
165
158
30
---
150
Note 7
Minimum:
---
---
140
5
-55
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Test conditions:
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__________________________________________________________________________________________
GENERAL:
Qualification - Required.
Reliable tube.
AMSC N/A
FSC 5960
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
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