MIL-PRF-1/1291H
TABLE I. Testing and inspection.
Acceptance
Inspection
Method
Notes
Conditions
level
Symbol
Limits
Unit
MIL-STD-1311
6/
Min
Max
Conformance inspection,
part 1
1231
ib = 6.0 a (grid connected
0.65
etd
---
12.0
v
Peak emission by
5/
to anode)
voltage drop
Critical grid voltage for
3201
---
0.65
Ecc
-2.2
-5.5
V dc
conduction (1)
Critical anode voltage
3201
---
Ecc = 0
0.65
Ebb
10.0
35.0
V dc
for conduction
Operation (1)
3206
---
epy = epx = 1,800 v;
0.65
Ecc
-4.0
-13.0
V dc
Rg = 100,000 ohms
Operation (3)
---
---
Operate in power supply
0.65
Ripple
---
0.08
v
PP-1160 B/M (FSN 1285-
682-9942) at a current of
1.2 amperes
Conformance inspection,
part 2
3241
---
---
If
6.25
7.75
A ac
Heater current
ĆEcc
Critical grid voltage for
3201
2/
Ebb = 100 V dc
---
---
2.1
V dc
conduction (2)
Variable-frequency
1031
---
No voltage applied;
---
---
---
---
---
vibration
F = 50 to 150 to 50 Hz;
10 G; t = 5 minutes in
each of 3 axes: X, Y, and
Z (15 minutes total)
Variable-frequency
---
vibration end points:
---
---
---
---
---
---
Short and discontinuity
1201
detection
V dc
-13
-4
Ecc
---
---
Operation (1)
3206
v
12
---
etd
---
---
Peak emission by
1231
voltage drop
Ep = 220 V ac ± 10%;
µA dc
Grid current
3216
3/
---
Ic
---
5.0
Rp/Ib = 1.5 A dc;
Ef = 2.75 V ac;
Rg = 1.0 Meg (min)
High-frequency operation
3214
4/
Epp = 125 V ac;
---
F
500
3,400
Hz
Rp/Ib = 1.5 A dc;
Cg = 250 pF;
Rg = 47,000 ohms;
Ecc1 = 22.5 ± 2 V dc;
Ecc2 = -45 ± 2 V dc
See footnotes at end of table.
2
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