POWER DISCRETES
1
www
.semtech.com
1N6638, 1N6642, 1N6643
Axial Leaded Hermetically Sealed
Switching Diodes
F
eatures
Revision: September 2012
Quick reference data
V
BR
= 75 - 150V
t
rr
= 4.5 - 6.0ns
I
o
= 300mA
,
T
a
= 75°C
V
F
=
1.1 - 1.2V
u
Low reverse leakage current
u
Hermetically sealed in fused metal oxide
u
Good thermal shock resistance
u
Low forward voltage drop
These products are qualified to MIL
-PRF
-19500/578.
They can be supplied fully released as JAN, JANTX
and JANTXV
.
Absolute Maximum Ratings
Electrical specifications @ T
A
= 25°C unless otherwise specified.
l
o
b
m
y
S
8
3
6
6
N
1
2
4
6
6
N
1
3
4
6
6
N
1
s
t
i
n
U
e
g
a
t
l
o
V
n
w
o
d
k
a
e
r
B
V
R
B
0
5
1
0
0
1
5
7
V
e
g
a
t
l
o
V
e
s
r
e
v
e
R
g
n
i
k
r
o
W
V
M
W
R
5
2
1
5
7
0
5
V
t
n
e
r
r
u
C
g
n
i
t
a
r
e
p
O
"
5
7
3
.
0
h
t
g
n
e
l
d
a
e
l
,
C
°
5
7
@
I
O
0
0
3
0
0
3
0
0
3
A
m
t
n
e
r
r
u
C
e
g
r
u
S
e
v
i
t
i
t
e
p
e
R
-
n
o
N
)
C
°
5
2
@
,
S
m
3
.
8
=
p
t
(
I
M
S
F
5
.
2
5
.
2
5
.
2
A
e
g
n
a
R
e
r
u
t
a
r
e
p
m
e
T
e
g
a
r
o
t
S
T
G
T
S
5
7
1
+
o
t
5
6
-
C
°
Description
2
2012 Semtech Corporation
www
.semtech.com
POWER DISCRETES
1N6638, 1N6642, 1N6643
Electrical Specifications
l
o
b
m
y
S
8
3
6
6
N
1
2
4
6
6
N
1
3
4
6
6
N
1
s
t
i
n
U
.
x
a
m
p
o
r
D
e
g
a
t
l
o
V
d
r
a
w
r
o
F
T
j
C
°
5
2
=
V
1
F
I
@
8
.
0
F
A
m
0
1
=
I
@
8
.
0
F
A
m
0
1
=
I
@
8
.
0
F
A
m
0
1
=
V
.
x
a
m
p
o
r
D
e
g
a
t
l
o
V
d
r
a
w
r
o
F
T
j
C
°
5
2
=
V
2
F
I
@
1
.
1
F
A
m
0
0
2
=
I
@
2
.
1
F
A
m
0
0
1
=
I
@
2
.
1
F
A
m
0
0
1
=
V
x
a
m
t
n
e
r
r
u
C
e
s
r
e
v
e
R
I
1
R
V
@
R
V
0
2
=
I
2
R
V
@
R
V
=
M
W
R
I
3
R
V
@
R
T
,
V
0
2
=
A
C
°
0
5
1
=
I
4
R
V
@
R
V
=
M
W
R
T
,
A
C
°
0
5
1
=
I
1
R
I
2
R
I
3
R
I
4
R
5
3
0
0
5
0
5
0
0
1
5
2
0
0
5
0
5
0
0
1
0
5
0
0
5
5
7
0
0
1
A
n
A
n
A
u
A
u
.
x
a
m
e
m
i
T
y
r
e
v
o
c
e
R
d
r
a
w
o
F
I
F
A
m
0
0
2
=
t
r
f
0
2
0
2
0
2
s
n
.
x
a
m
e
m
i
T
y
r
e
v
o
c
e
R
e
s
r
e
v
e
R
I
M
R
I
=
F
A
m
0
1
=
t
r
r
5
.
4
0
.
5
0
.
6
s
n
.
p
y
t
e
c
n
a
t
i
c
a
p
a
C
n
o
i
t
c
n
u
J
V
R
V
0
=
C
1
T
5
.
2
0
.
5
0
.
5
F
p
l
o
b
m
y
S
8
3
6
6
N
1
2
4
6
6
N
1
3
4
6
6
N
1
s
t
i
n
U
d
a
e
L
o
t
n
o
i
t
c
n
u
J
-
e
c
n
a
t
s
i
s
e
R
l
a
m
r
e
h
T
"
5
7
3
.
0
=
h
t
g
n
e
l
d
a
e
L
R
)
A
T
E
H
T
(
L
J
0
5
1
W
/
C
°
Thermal Characteristics
3
2012 Semtech Corporation
www
.semtech.com
POWER DISCRETES
1N6638, 1N6642, 1N6643
Outline Drawing
r
e
b
m
u
N
t
r
a
P
n
o
i
t
p
i
r
c
s
e
D
8
3
6
6
N
1
2
4
6
6
N
1
3
4
6
6
N
1
d
e
l
a
e
s
y
l
l
a
c
i
t
e
m
r
e
h
d
e
d
a
e
l
l
a
i
x
A
)
1
(
Note:
(1) Available in bulk and tape and reel packaging. Please
consult factory for quantities.
Ordering Information
s
n
o
i
s
n
e
m
i
D
M
I
D
N
s
e
h
c
n
I
s
r
e
t
e
m
i
l
l
i
M
N
I
M
X
A
M
N
I
M
X
A
M
A
6
5
0
.
0
8
0
.
0
2
4
.
1
3
0
.
2
B
0
.
1
5
.
1
4
.
5
2
1
.
8
3
C
3
1
.
0
8
1
.
0
3
.
3
7
5
.
4
D
8
1
0
.
0
2
2
0
.
0
6
4
.
0
6
5
.
0
Semtech Corporation
Power Discretes Products Division
200 Flynn Road, Camarillo, CA 93012
Phone: (805)498-2111 F
AX (805)498-3804
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