MIL-PRF-1/390E
TABLE 1. Testing and inspection - Continued.
Inspection
Method
Conditions
Symbol
Limits
Limits
Unit
Min
Max
Conformance inspection, part 2
-Continued.
Neck and base alignment
5101
---
---
---
---
(electrostatic types)
Base and trace alignment
5101
+3D4; pin no. 1
---
---
---
---
Angle between traces
5101
---
---
---
---
Stray light emission
5216
Eb2 = 2,750 V dc
---
---
---
---
(conventional types)
Line width A (electrostatic
5226
Light = 4 fL
Width
---
mm
0.65
deflection)
Line width B (electrostatic
5226
Light = 4 fL
Width
---
mm
0.65
deflection)
Focusing voltage at cutoff
5246
Light = 4 fL
Eb1
165
V dc
310
Focusing voltage at modulation
5246
Eb1
165
V dc
310
condition
Deflection factor
5248
1D2
DF
73
V dc/inch
99
Deflection factor
5248
3D4
DF
52
V dc/inch
70
Heater-cathode leakage current
5251
---
---
---
---
Permanence of marking
1105
---
---
---
---
Conformance inspection, part 3
---
---
---
Group C; light = 4 fL;
---
---
Life test
Eb2 = 2,750 V dc;
T= 500 hours (min)
---
Light = 3.4 fL
---
---
---
---
Life-test end points:
0.65
Width
---
mm
Line width A
0.65
Width
---
mm
Line width B
ĆEc1
48
---
V dc
Modulation
---
---
---
Grid No. 1 leakage current
---
---
---
Anode No. 1 leakage current
---
---
---
---
Anode No. 2 leakage current
---
---
---
Heater-cathode leakage current
---
---
---
---
Stray light emission
---
---
---
NOTES:
1. This value is recommended only for low velocity deflecting and low ambient light levels.
2. This test to be performed at the conclusion of the holding period.
3