MIL-PRF-1/590C
TABLE I. Testing and inspection - Continued.
Limits
Notes
Conditions
Symbol
Units
Inspection
Method
MIL-STD-1311
Min
Max
Conformance
inspection, part 2
Heater current
1301
---
lf
540
660
mA
A dc
Electrode current
5201
--
Ec1 = 0
lb1
-50
10
(anode 1)
1b3=150 A dc
A dc
lk
---
1,500
Electrode current
5201
---
(cathode)
Base alignment
5101
---
+ 1D2, pin No. 5
---
---
---
---
(electrostatic types)
Side terminal alignment
5101
---
+1D2
---
---
---
---
(electrostatic types)
Angle between traces
5101
---
---
---
---
---
Neck and base alignment
5101
---
---
---
---
---
(electrostatic types)
Stray light emission
5216
---
Eb2=2,200 V dc
---
---
---
---
(conventional types)
Eb3=4,400 V dc
Screens
5221
---
---
---
---
---
1b3=150 A dc
Width
---
0.75
Line width "A"
5226
2
mm
(electrostatic deflection)
1b3=150 A dc
Width
---
0.90
Line width "B"
5226
3
mm
(electrostatic deflection)
Focusing voltage at cutoff
5246
---
Eb1
460
690
V dc
Deflection factor
5248
---
1D2
DF
212
288
V dc/in.
Deflection factor
5248
---
3D4
DF
153
207
V dc/in.
Heater-cathode
5251
---
---
---
---
---
leakage current
Secureness of base, cap
1101
---
---
---
---
---
or insert
Base pin solder depth
1111
---
---
---
---
---
Permanence of marking
1105
---
---
---
---
---
Conformance
inspection, part 3
Life test
---
---
Group C;
---
---
---
---
Eb3 = 4,400 V dc;
Eb2=2,200 V dc;
lb3-30 A dc
t = 500 hours
Life-test end points:
lb3=112 A dc
Ec
---
50
V dc
Modulation
5223
---
lb3=112 A dc
Line width "A"
5226
---
Width
---
0.8
mm
lb3=112 A dc
Line width "B"
5226
---
Width
---
0.95
mm
3
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