INCH-POUND
MIL-PRF-1/61D
5 December 2006
SUPERSEDING
MIL-E-1/61C
30 March 1970
PERFORMANCE SPECIFICATION SHEET
ELECTRON TUBE, RECEIVING
TYPE 12SK7 1/
Inactive for new design
after 21 July 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 the latest issue of MIL-PRF-1.
DESCRIPTION: Pentode, rf remote cutoff
Outline
----
8-1 (EIA)
Base
----
B8-21 (phenolic)
Envelope
----
MT8
Cathode
----
Coated unipotential
Base connections:
Pin No.
----
1
2
3
4
5
6
7
8
Element
----
sh
h
g3
g1
k
g2
h
a
ABSOLUTE RATINGS:
Parameter:
Ef
Eb
Ec1
Ec2
Ec3
Pp
Pg2
Ehk
Rg1
Alt
MegΩ
Unit:
V
V dc
V dc
V dc
V dc
W
W
v
ft
Maximum:
13.8
330
---
140
---
4.4
0.44
100
---
See note 1
Minimum:
11.4
---
---
---
---
---
---
---
---
---
Test conditions (1):
12.6
250
-3
100
0
---
---
---
---
---
Test conditions (2):
12.6
28
0
28
0
---
---
---
2
---
GENERAL:
Qualification - Not required.
1/ Formerly tube type 12SK7Y. See note 4.
AMSC N/A
FSC 5960
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business