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MIL-PRF-19500-521 Light Emitting Diode, Green, Jedec Types Jan1N6094, Jantx1N6094 \(Diffused Lens\), Jan1N6611, Jantx1N6611 \(Clear Lens\), And Panel Mount Assembly, Types Janm19500/52101, Jantxm19500/52102 \(Diffused Lens\), Janm19500/52103 And Jantxm19500/52104 \(Clear Lens\)This specification covers the performance requirements for hermetically-sealed green discrete and panel mount light emitting diodes. Two levels of product assurance are provided for each device type as specified in MIL–PRF–19500.

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MIL­PRF­19500/521E
TABLE II. Group A inspection for panel mount assemblies.
Limits
Symbol
Unit
Inspection 1/
Method
Conditions
Min
Max
Subgroup 1
External visual
2071
examination
Subgroup 2
Luminous intensity
2/  3.0
mcd
IV1
Θ = 0 degrees (see 3.3 and 4.5.1);
3/ 20.0
mcd
IF = 20 mA dc
Luminous intensity 2/
1.5
mcd
IV2
Θ = 30 degrees; IF = 20 mA dc
Reverse current
4016
1.0
DC method; VR = 3 V dc
IR
µA dc
Forward voltage
4011
3.0
V dc
DC method, IF = 20 mA dc
VF
Subgroup 3, 4, 5, and 6
Not applicable
Subgroup 7
Solderability 4/
2026
15 devices, c = 0
Resistance to solvents
1022
15 devices, c = 0
Physical dimensions
2066
See figure 2, 45 devices, c = 0
1/
For sampling plan, see MIL­PRF­19500.
2/
Applies to JAN19500/52101 and JANTX19500/52102.
3/
Applies to JANM19500/52103 and JANTX19500/52104.
4/
The sample size for solderability test applies to the number of leads inspected except in no case shall less than
three leads be used to provide the number of leads required.
9



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