
MICROPAC INDUSTRIES, INC.
OPTOELECTRONIC PRODUCTS DIVISION
725 E. Walnut St., Garland, TX 75040
(972) 272-3571
Fax (972) 487-6918
www.micropac.com
E-MAIL:
optosales@micropac.com
2 - 9
4N51, 4N52,
67023
4N53, 4N54
HERMETIC, NUMERIC AND HEXIDECIMAL DISPLAYS
PART MARKING SYSTEM
PREFERRED PART NUMBER SYSTEM
Standard Product
With Tables I, II, III and IV Quality Level A
MII PART NUMBERS
TXV
Tables I, II
Commercial
Table II, Subgroups I, VII
4N51
M87157/00101XXX
67023-201
67023-101
67023-102
67023-001
67023-002
4N52
M87157/00102XXX
67023-202
4N53
M87157/00103XXX
67023-203
67023-103
67023-003
4N54
M87157/00104XXX
67023-204
67023-104
67023-004
TABLE I
100% SCREENING – CLASS A OF MIL-PRF-87157
MIL-PRF-750
Method
2072
Test Screen
Conditions
1. Precap Visual
2. High Temperature Storage
1032
T
A
= 125
°
C, Time = 24 hours
3. Temperature Cycling
1051
Condition B, 10 Cycles, 15 Min. Dwell
4. Constant Acceleration
2006
10,000 G’s at Y
1
orientation
5. Fine Leak
1071
Condition H
6. Gross Leak
1071
Condition C
7. Interim Electrical / Optical Tests
(2)
------
I
V
, I
CC
, I
BL
, I
BH
, I
EL
, I
EH
, I
IL
, and I
IH
T
A
= 25
°
C
Condition B at V
CC
= 5V and cycle through
logic at 1 character per second.
T
A
= 100
°
C, t = 160 hours
Same as Step 7
8. Burn-In
(1,3)
1015
9. Final Electrical Test
(2)
------
10. Delta Determinations
------
I
V
= 20%,
I
CC
=
±
10 mA,
I
IH
=
±
10
μ
A
and
I
EH
=
±
13
μ
A
11. External Visual
(1)
2009
TABLE II
GROUP A ELECTRICAL TEST – CLASS A OF MIL-PRF-87157
Parameters
Test
Subgroup 1
DC Electrical Test at 25
°
C
(2)
LTPD
I
V
, I
CC
, I
BL
, I
BH
, I
EL
, I
EH
, I
IL
, and I
IH
and
visual function, T
A
= 25
°
C
5
Subgroup 2
DC Electrical Tests at High
Temperature
(2)
Subgroup 3
DC Electrical Tests at Low
Temperature
(2)
Subgroup 4, 5 and 6 not tested
Subgroup 7
Optical and Functional Tests
at 25
°
C.
Subgroup 8
External Visual
Same as Subgroup 1, except delete I
V
and visual
function. T
A
= +100
°
C
7
Same as Subgroup 1, except delete I
V
and visual
function. T
A
= -55
°
C
7
Satisfied by Subgroup 1
5
7