INCH-POUND
MIL-PRF-1/1717C
1 October 2003
SUPERSEDING
MIL-PRF-1/1717B
25 September 1998
PERFORMANCE SPECIFICATION SHEET
ELECTRON TUBE, NEGATIVE GRID (MICROWAVE)
TYPE 8906 *
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: Triode, planar, ceramic, and metal.
See figure 1.
Mounting position: Any.
W eight: 1.8 ounces (48 grams) nominal.
ABSOLUTE RATINGS:
Parameter:
F
Ef
Eb
epy
Ec
ib
Ib
ic
tp
Du
Pp
Unit:
GHz
V 1/
V dc
kv
V dc
a 2/
mA dc
a
---
W
µs
Maximum:
Anode pulsed
3.0
---
4.5
-150
5.0
---
2.5
6.0
0.0033
10
6.0 ±5%
osc or amp:
Grid pulsed
3.0
3,500
---
-150
5.0
---
2.5
6.0
0.0033
10
6.0 ±5%
osc or amp:
Test conditions:
---
6.0
600
---
Adj
---
25
---
---
---
---
ABSOLUTE RATINGS:
Parameter:
Pg
tk
TE
T(anode
Barometric pressure
Cooling
shank)
reduced
Unit:
W 3/
sec
mmHg 6/
--- 5/
°C 4/
°C 4/
(min)
Maximum:
Anode pulsed
2.0
60
250
250
---
Conduction and
osc or amp:
convection
Grid pulsed
2.0
60
250
250
35
Conduction and
osc or amp:
convection
Test conditions:
---
300
---
---
---
7/
____________________________________________________________________________________________
GENERAL:
Qualification: Required. 18/
________
*
Replaces EIMAC Y-572.
AMSC N/A
1 of 10
FSC 5960
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
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