INCH-POUND
MIL-PRF-1/1361H
12 June 2012
SUPERSEDING
MIL-PRF-1/1361G
1 December 2005
PERFORMANCE SPECIFICATION SHEET
ELECTRON TUBE, THYRATRON
TYPES 7390 AND 7390A
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: Triode, hydrogen, ceramic-metal.
See figures 1 and 1A.
Mounting position: Vertical, base down.
Weight: 9 pounds (4.1 kilograms) nominal.
ABSOLUTE RATINGS:
Parameter:
Ef
epy
epx
Ebb
egy
egx
Ecc
ib
Ib
Ip
Unit:
V ac
kv
kv
kV dc
v
v
V dc
a
A dc
A ac
Maximum:
6.6
3.3 1/
33 2/
---
3/
650
---
2,000
4.0
72
Minimum:
6.0
7
5% epy
3.5
---
---
---
---
---
---
Test conditions:
6.3
3.3
---
---
1,100
---
0
---
---
---
ABSOLUTE RATINGS:
dik
Parameter:
tj
prr
Pb
tk
TA
Cooling
Eres
Ires
dt
µs
°C
Unit:
---
---
sec
---
V ac
A ac
a
µs
9
Maximum:
0.01
---
10,000
5/
+75
6/
5.5 8/
12
30x10
Minimum:
---
---
---
---
900
-55
---
3.5
---
Test conditions:
---
465
---
---
900
---
7/
9/
---
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.
AMSC N/A
FSC 5960
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