MIL-PRF-1/1373D
TABLE I. Testing and inspection. Continued
Limits
MIL-STD-1311
Inspection
Notes
Conditions
Symbol
Unit
Method
Minimum
Maximum
Conformance inspection,
Part 3
Life Test
-----
----
hrs
Group C:
t
500
Eb2 = 12,100 Vdc;
Ec2 = 770 Vdc;
Ib2 = 60 μAdc;
Eb1 at focus
Ib2 = 100 μAdc;
Life-test end points:
-----
-----
0.38
mm
Width
Ib2= 100 μAdc;
ĆEc1
Linewidth "A"
-----
5226
32
Vdc
Modulation
5223
Periodic-check tests
Pressure (implosion)
1141
Vibration
5111
2
mm
Width
μAdc
Electrode current
- 15
5201
+ 15
Ec1 = 0
Ic2
(grid No. 2)
Cathode illumination
5216
----
----
---
Direct-interelectrode
----
1331
8
pF
Cathode to all
Ck
capacitance
----
10
pF
Control grid to all
Cg1
Base material insulating
-----
1216
-----
-------
----
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quality
NOTES:
When Ec2 is greater than 330 Vdc, Rg1 shall not exceed 0.5 MegΩ. When Ec2 is less than 330 Vdc, Rg1 shall not
1.
Exceed 1.5 MegΩ.
2.
Cylinder shall be 4 inches (101.6 mm) long and 0.901 inch (22.89 mm) maximum inside diameter.
3.
The screen characteristics shall be measured with a constant beam energy of 0.24 watt defocused to a spot
approximately 0.25 cm in diameter.
The test conditions shall be Eb2 = 10,000 Vdc.
Ib2 = 24 μ Adc.
The screen characteristics shall be cB5 450 cB minimum,
G5:1 = 4 minimum
4.
This test to be performed at the conclusion of the holding period.
5.
The two sets of neck support referenced in method 5101 shall be spaced 1.125 inches (28.58 mm) and 3.25 inches
(82.55 mm) below reference plane.
6.
Tube type 7AQP33 has been added to this tube specification sheet.
7.
An accept on zero defect sampling plan (see MIL-PRF-1, table III) shall be used for conformance inspection, part 1..
3
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