INCH-POUND
MIL-PRF-1/1648C(NAVY)
4 September 1998
SUPERSEDING
MIL-E-1/1648B(NAVY)
20 February 1976
PERFORMANCE SPECIFICATION SHEET
ELECTRON TUBE, POWER
TYPE 8660
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:
Tetrode, ceramic-metal.
See figure 2.
Mounting position: Any.
Weight: 27 ounces (765.5 grams) nominal.
ABSOLUTE RATINGS: F = 110 MHz.
Anode core
and seal T
Parameter:
Ef
Eb
Ec1
Ec2
Ib
Pg1
Pg2
Pp
Cooling
tk
Unit:
V ac
V dc
V dc
V dc
mA dc
W
W
W
--- 1/
sec
C
(min)
C. teleg:
3,000
-250
350
750
1.0
12
1,500
250
180
---
6.0
5%
Class B or AB:
3,000
---
400
900
1.0
12
1,500
250
180
---
6.0
5%
Test conditions:
6.0
2,000
Adj
300
250
---
---
---
---
300
2/
See footnotes at end of table I.
___________________________________________________________________________________________
GENERAL:
Qualification - Required.
AMSC N/A
1 of 7
FSC 5960
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.