SENSITRON
SEMICONDUCTOR
TECHNICAL DATA
DATA SHEET 4081, REV. A
1N6638/U
1N6639/U
1N6640/U
1N6641/U
1N6642/U
1N6643/U
SIGNAL OR COMPUTER DIODE 1N6638 THRU 1N6643
•
Switching Diode
•
Hermetic, non-cavity glass package
•
Metallurgically bonded
•
Manufacture & screen to TX/TXV/JANS per MIL-PRF-19500/578,609 using Sensitron specification, 7700-409X
•
Physical dimensions: Axial lead similar to DO-35 and surface mount similar to (D-5D)
Maximum ratings T
A
=+25
o
C:
Types
V
BR
V
RWM
Io
1N6638,1N6638U
1N6639,1N6639U
1N6640,1N6640U
1N6641,1N6641U
1N6642,1N6642U
1N6643, 1N6643U
V(pk)
150
100
75
75
100
75
V(pk)
125
75
50
50
75
50
MA
300
300
300
300
300
300
I
FSM
Tp=1/120
s
A(pk)
2.5
2.5
2.5
2.5
2.5
2.5
T
STG
, T
J
o
R
θJL
L=.375
o
R
θJEC
L=0
o
Z
θJX
o
C
-65 to +175
-65 to +175
-65 to +175
-65 to +175
-65 to +175
-65 to +175
C/W
160
160
160
160
160
160
C/W
50
50
50
50
50
50
C/W
25
25
25
25
25
25
Axial
melf
1N6638 thru 1N6643
PACKAGE DIMENSIONS - INCHES ( MILLIMETERS)
STYLE
G
L
φB
φD
.018/.022 .056/.080 .130/.180 1.00/1.50
DO-35
0.46/0.56 1.42/2.03 3.30/4.57 25.4/38.10
1N6638U thru 1N6643U
PACKAGE DIMENSIONS - INCHES ( MILLIMETERS)
STYLE
BL
BD
S
ECT
.165/.195
.070/.085
0.003 Min
.019/.028
D-5D
4.19/4.95
1.78/2.16
0.48/0.71
•
221 WEST INDUSTRY COURT
•
DEER PARK, NY 11729-4681
•
PHONE (631) 586-7600
•
FAX (631) 242-9798
•
•
World Wide Web - http://www.sensitron.com
•
E-Mail - sales@sensitron.com
•
SENSITRON
TECHNICAL DATA
DATA SHEET 4081, REV. A
1N6638/U
1N6639/U
1N6640/U
1N6641/U
1N6642/U
1N6643/U
SIGNAL OR COMPUTER DIODE (DIE) 1C6638 THRU 1C6643 AND 1C4148
Types
V
BR
V
RWM
Io
V(pk) V(pk) mA
1N6638, /578E
150 125 300
1N6642, /578E
100
75 300
1N6643, /578E
75
50 300
1N6639, /609C
100
75 300
1N6640, /609C
75
50 300
1N6641, /609C
75
50 300
1C4148, /116L
100
75 200
(1) I
F
= 10 mA
(2) I
F
= 200 mA
(3) I
F
= 100 mA
(4) I
F
= 500 mA
I
FSM
Tp=1/120s
A(pk)
2.5
2.5
2.5
2.5
2.5
2.5
2.0
T
STG
, T
J
C
-65 to +175
-65 to +175
-65 to +175
-65 to +175
-65 to +175
-65 to +175
-65 to +200
o
V
F1
V dc
0.80 (1)
0.80 (1)
0.80 (1)
1.20 (4)
1.00 (2)
1.10 (2)
0.80 (1)
V
F2
V dc
1.1 (2)
1.2 (3)
1.2 (3)
-
-
-
1.2 (3)
I
R1
@
I
R1
@
V
R
=20V V
R
= V
RWM
nA dc
µA
dc
35
0.5
25
0.5
50
0.5
-
0.1
-
0.1
-
0.1
25
0.5
t
rr
I
RM
=I
F
=10mA
ns
4.5
5.0
6.0
4.0
4.0
5.0
5.0
C
T1
V
R
=0V
PF
2.5
5.0
5.0
2.5
2.5
3.0
-
1C6638 thru 1C6643
and
1C4148 Layout
D
ANODE
0.020”
±
0.002”
ANODE
0.007”
±
0.0005”
CATHODE
•
221 WEST INDUSTRY COURT
•
DEER PARK, NY 11729-4681
•
PHONE (631) 586-7600
•
FAX (631) 242-9798
•
•
World Wide Web - http://www.sensitron.com
•
E-Mail - sales@sensitron.com
•
1N6638/U
1N6639/U
1N6640/U
1N6641/U
1N6642/U
1N6643/U
SENSITRON
TECHNICAL DATA
DATA SHEET 4081, REV. A
Table: Metal pad sizes:
1C6638 thru 1C6643
D
0.011”
±
0.001”
1C4148
0.009”
±
0.001”
Top (anode) metallization:
Al, 25 kA minimum or
Ti/Ni/Ag, 30 kA minimum or
Ti/Ni/Au, 13 kA minimum or
Au, 10 kA minimum
Ti/Ni/Ag, 30 kA minimum or
Ti/Ni/Au, 12 kA minimum or
Au, 4 kA minimum
Bottom (cathode) metallization:
•
221 WEST INDUSTRY COURT
•
DEER PARK, NY 11729-4681
•
PHONE (631) 586-7600
•
FAX (631) 242-9798
•
•
World Wide Web - http://www.sensitron.com
•
E-Mail - sales@sensitron.com
•