INCH-POUND
MIL-PRF-1/1260K
25 August 2010 _
SUPERSEDING
MIL-PRF-1/1260J
2 July 2004
PERFORMANCE SPECIFICATION SHEET
ELECTRON TUBE, THYRATRON
TYPES 7190 AND 7191
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.
See figures 1 and 2.
Mounting position: Any.
Weight: 0.5 ounce (14.2 grams) nominal.
ABSOLUTE RATINGS:
Parameter:
Ef
epy
epx
Ebb
Ecc
egx
egy
ib
Ip
Unit:
V
kv
kv
V dc
V dc
v
v
a
A ac
Maximum:
1/
1.2 2/
1.0 3/
---
---
200
400
20
1.0
Minimum:
---
---
---
300
---
---
175 4/
---
---
Test conditions:
6.3
1.2
---
---
0
---
130
---
---
ABSOLUTE RATINGS:
Barometric
dik
Parameter:
Ib
tj
tk
Pb
Ehk
prr
TA
pressure,
dt
reduced
°C
Unit:
mA dc
ns
sec
---
V
---
mmHg
a
µs
9
Maximum:
50
5 5/
---
400
+25
6/
+125
---
0.1 x 10
Minimum:
---
---
30
---
---
-100
---
-60
20
Test conditions:
---
---
30
---
---
---
5,000
---
---
See footnotes at end of table I.
______________________________________________________________________________
GENERAL:
Qualification: Not required.
AMSC N/A
FSC 5960
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