MIL-PRF-1/1069G
MIL-STD-
Acceptance
Limits
1311
Requirement or test
Notes
Conditions
Level
Unit
Symbol
method
(see note 9)
Min
Max
Conformance
inspection, part 1
5.5
Ib
9.5
0.65
mA dc
Electrode current (1)
1256
(anode)
µA dc
---
Ib
0.65
50
Ec1 = -9.0 V dc;
Electrode current (2)
1256
Rk = 0
(anode)
Ic2
1.7
0.65
3.5
Electrode current
1256
mA dc
(screen grid)
Rg1 = 1.0 MegΩ
µA dc
Ic1
0
0.65
-0.1
Total grid current
1266
If
190
0.65
210
Heater current
1301
mA
µmhos
Sm
0.65
4,200
5,800
Transconductance (1)
1306
µA dc
Ihk
0.65
---
5.0
Heater-cathode
1336
leakage
---
0.4
---
---
Short and discontinuity
1201
---
detection
Conformance
inspection, part 2
MegΩ
R
2.5
---
250
1211
Insulation of electrodes
Ep
2.5
50
Rp = 10,000 ohms
---
1031
High-frequency
mV ac
vibration
EB
2.5
17
Esig = 70 mV ac;
---
1246
Audio frequency noise
vu
Ec2 = 25 V dc;
Rg1 = 0.1 MegΩ;
Rg2 = 1,000 ohms;
Rp = 0.2 MegΩ;
Rk = 4,000 ohms
µA dc
Ic1
---
-0.5
0
1266
Grid emission
Ef = 7.5 V;
Rg1 = 1.0 MegΩ;
Ec1 = -10 V dc
ĆSm
2.5
5.0
---
1306
Transconductance (2)
%
Ef = 5.7 V
Ef
MegΩ
---
---
0.15
1311
Anode resistance
rp
6.5
0.03
---
1331
Direct-interelectrode
Cg1p
pF
0.405-inch diameter
5.5
4.1
capacitance
Cin
pF
shield
4.1
2.9
Cout
pF
4.0
110
90
1256
Electrode current (1)
Ib
%
t - 20 seconds
(anode) (tube
operation time)
See notes at end of table.
2
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business