INCH POUND
MIL-PRF-1/302P
27 February 2004
SUPERSEDING
MIL-PRF-1/302N
10 July 1998
PERFORMANCE SPECIFICATION SHEET
ELECTRON TUBE, POW ER
TYPE 8172
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, metal-glass and ceramic
Outline drawing: See figure I
Mounting position: Any
W eight: 6 ounces nominal
ABSOLUTE RATINGS: F1 (CW ) = 500 MHz, F1 (pulsed) = 1,500 MHz
Parameter:
Ef
eb
Eb
ec1
Ec1
ec2
Ec2
Ib
ik
cooling
Unit:
Vac
kv
V dc
v
V dc
kv
V dc
mA dc
a
note 1
Maximum:
(notes 1 and 2)
Class C Telep:
---
1,000
---
-250
---
300
200
---
---
2.5 ± 5%
Class C Teleg:
---
1,250
---
-250
---
300
250
---
---
2.5 ± 5%
Class C Pulsed:
7.0
---
-500
---
1.5
---
---
7
---
2.5 ± 5%
Test conditions:
2.5
---
1,000
---
Adj
---
300
150
---
note 3
ABSOLUTE RATINGS: F1 (CW ) = 500 MHz, F1 (pulsed) = 1,500 MHz
Parameter:
tp
Pg1
Pg2
Pp
Pi
tk
T (ceramic seals
T
and anode core)
(glass seal)
Unit:
W
W
W
W
sec
µs
°C
°C
(min)
note 4
Maximum:
(notes 1 and 2)
Class C Telep:
---
2
12
165
200
30
250
150
Class C Teleg:
---
2
12
250
312
30
250
150
Class C Pulsed:
5
2
12
250
312
30
250
150
Test conditions:
---
---
---
---
---
120
---
---
Qualification - Required.
AMSC N/A
FSC 5960
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