MIL-PRF-1/1612C
TABLE I. Testing and inspection.
Limits
MIL-STD-1311
Inspection
Conditions
Symbol
Unit
Method
Min
Max
Conformance inspection,
part 1
Visual and mechanical
App D,
inspection criteria
20(a)
DC Instantaneous starting
3267
epy = 16 kv:
---
---
---
---
Ef = Eres = 6.8 V ac
9/ 10/
Operation (1)
---
epy = 20 kv (min);
egy
---
180
v
Ef = Eres = 5.8 V ac
9/ 12/ 13/
µs
Anode delay time
3256
Operation (1)
tad
---
0.50
t = 120
Ćtad
µs
Anode delay time drift
3256
Anode delay time
14/
---
0.10
Critical anode voltage for
3246
Ef = Eres = 5.8 V ac
9/ 11/
Ebb
---
1,000
V dc
conduction
Emission
3251
ik = 500 a
17/
egk
---
175
v
Conformance inspection,
part 2
µs
Time jitter
3261
Operation (1) 15/
tj
---
0.005
Operation (1A)
---
Operation (1)
egy
---
180
v
Ef = Eres = 6.8 V ac
tk = 180 sec
12/
Cathode heater current
3241
---
If
5.5
7.5
Aac
Reservoir heater current
3241
---
Ires
1.0
4.0
Aac
Conformance inspection,
part 3
Life-test provisions
---
Group C;
t
1,000
---
hrs
epy = 20 kv
9/ 18/
Ef = Eres = 6.3 V ac
Life-test end points
---
Operation (1)
---
---
---
---
egy = 200 v (max)
Critical anode
Ebb
---
1,250
V dc
voltage for conduction
egy = 200 v (max)
µs
Anode delay time
tad
---
0.6
egy = 200 v (max);
Ef = Eres = 6.3 V ac
Periodic check tests
Variable-frequency
1031
No voltage applied
8/
vibration
(10-250 Hz)
Shock
---
100 g
19/
Post vibration and shock
---
Operation (1)
egy
---
200
v
end points
DC anode voltage
Ebb
---
1,250
V dc
µs
Time jitter
tj
---
.005
TA = +125°C
Operation (2)
---
egy
---
180
v
t = 5 hours 9/ 16/
See notes on the following page.
2
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