MIL-PRF-1/28H
Table 1. Testing and Inspection.
Inspection
Method
Conditions
Symbol
Limits
Limits
Units
Min
Max
Qualification inspection
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No voltages; t = 60 minutes
1031
Low-frequency vibration
pF
6.0
2.0
C
See note 5
1331
Direct-interelectrode
capacitance
pF
9.5
3.5
C
See note 6
1331
Direct-interelectrode
capacitance
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Ebb = 1,250 V dc;
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Low-pressure breakdown
Eb to Edy9 = 125 V dc;
voltages for all other stages = 125 V
dc per stage;
Rp = 1 Meg (see note 7, 8 and 9)
Spectral response
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S4
identification
5303
Plastic base material
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See note 13
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Quality conformance
inspection, part 1
Ik
0.20
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Cathode current
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A dc
Light = 0.01 m (see notes 10, 11,
12 and 19)
Ib
400
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Anode current
5301
A dc
See notes 10, 12 and 19
Lik
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2.5
5301
Dark current
Light = 0 (see note 19)
A dc
Lib
---
0.05
5301
Dark current (1)
Light = 0 (see note 19)
A dc
Lib
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1.0
5301
Dark current (2)
Light = 0; Ebb = 1,250 V dc
A dc
(see note 19)
Lib
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0.006
5301
Dark current (3)
Ebb = 500 V dc; Eb to Edy9 = 50
A dc
V dc; Rp = 10,000 ohms
(see note 19)
Lib
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0.01
5301
Dark current (4)
Light = 0 (see notes 14 and 19)
A dc
S/N
48
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5306
Signal to noise ratio
Light = 10 m;
dB
Rp = 0.1 Meg (see notes 15 and 19)
Quality conformance
inspection, part 2
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See note 16
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1101
Secureness of base, cap
or insert
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1041
Shock
200G
10% (see note 17)
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1111
Base pin solder depth
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1105
Permanence of marking
2