MIL-PRF-1/1165F
TABLE I. Testing and inspection. Continued
Limits
MIL-STD-
Acceptance
1311
level
Inspection
Notes
Conditions
Unit
Method
Min
Max
16/
Symbol
Conformance
inspection, part 2 -
Continued
6.5
No Shield
0.95
3
0.55
1331
Cgp
pF
Direct- interelectrode
No Shield
2.0
3
1.2
Cin
PF
capacitance
No Shield (Triode 1)
0.25
0.15
Cout
pF
No Shield (Triode 2)
0.31
0.19
Cout
pF
No Shield
0.014
----
Cgg
pF
No Shield
0.86
----
Cpp
pF
1.0
Rp = 10,000 ohms
10
3
-----
1031
Ep
mVac
High- frequency vibration
2.5
Peak accel = 15G;
60
3, 9
-----
----
ep
mvpp
White noise
2.5
Rp = 10,000 ohms
10
-----
Ep
mV
2.5
----
-----
1116
----
-----
Lead fatigue
15
Accel = 750 G
-----
10
-----
1041
----
-----
Shock
6.5
F = 30 to 3,000 Hz;
-------
-----
-------
------
-----
Sweep-frequency
t = 3 minutes
vibration fatigue-test end
points
------
Rp = 10,000 ohms
50
3
--------
1031
Ep
mVac
μAdc
15
3
-------
1336
Ink
High-frequency vibration
-----
ĆSm
20
3
-----
1306
%
Heater-cathode leakage
-----
T
Transconductance (1)
Change of individua
tubes
-----
----
2126
------
----
Envelope strain
4.0
-----
------
1105
-----
------
Permanence of marking
----
Conformance
inspection, part 3
-----
------
-------
2.5
Ef = 7.0V,
1506
-----
Heater-cycling life (1)
1 minute on, 4 minute off;
Ehk = 140 Vac; Eb= Ec = 0
-----
------
------
------
10
Ef = 8.5 V,
1506
Heater-cycling life (2)
10 seconds on, 4 minutes
(min) off; 300 cycle;
Ehk = 150 Vdc;
Eb = Ec = 0
-----
Heater-cycling life (1)
and (2) test end points:
μAdc
-----
Ihk
3
1336
Heater-cathode leakage
15
MegΩ
50
R
3
1211
Insulation of electrodes
----
3
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