MIL-PRF-1/311L
TABLE I. Testing and inspection - Continued.
Inspection
Method Type Notes
Conditions
Symbol Limits Limits
Unit
MIL-STD-
Min Max
1311
Conformance
inspection, part 2
-Continued.
---
---
1D2
---
Side terminal alignment
5101
---
All
---
(electrostatic types)
---
---
Pin No. 5
---
Side terminal and base
5101
---
All
---
alignment
---
---
---
Neck and base alignment
5101
---
All
---
(electrostatic types)
---
---
---
Base pin solder depth
1111
---
All
---
---
---
---
Screens
5221
---
All
---
Ib3 = 50 A dc
0.4
mm
Line width "A"
Width
5226
---
All
---
Ib3 = 200 A dc
0.7
mm
Width
(electrostatic deflection)
---
91
Degrees
---
Angle between traces
5101
89
All
---
Ib3 = 50 A dc
0.6
mm
Width
Line width "B"
5226
---
All
---
0.8
mm
Width
(electrostatic deflection)
---
Ib3 = 200 A dc
---
V dc
Focusing voltage at cutoff
Eb1
5246
390
All
---
550
V dc
Focusing voltage (zero-
Eb1
5246
---
All
---
bias)
200
---
V dc/in.
Deflection factor
DF
5248
175
All
1D2
158
---
V dc/in.
Deflection factor
DF
5248
138
All
3D4
A dc
15
---
Heater-cathode leakage
Ihk
5251
---
All
current
---
---
Secureness of base, cap,
---
1101
---
All
---
or insert
---
---
---
Permanence of marking
---
1105
All
---
Conformance
inspection, part 3
Life test
-
All
---
---
Group C;
---
---
---
Ib3 = 30 A dc
t = 500 hours (min)
Life-test end points
-
Ec1
Ib3 = 150 A dc
Modulation
5223
All
---
---
45
V dc
Ib3 = 150 A dc
Line width "A"
5226
All
---
---
0.8
mm
Width
Line width "B"
5226
All
---
---
0.9
mm
Ib3 = 150 A dc
Width
See notes at end of table I.
4
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