Part Number: 1N4148W, 1N4448W
PAGE 1
1N4148W, 1N4448W
SURFACE MOUNT SWITCHING DIODES
VOLTAGE
100 Volts
POWER
410 - 500 mW
FEATURES
Fast switching Speed
Electrically Identical to Standard JEDEC
High Conductance
Surface Mount Package Ideally Suited for Automatic Insertion
Flat package SOD-123 in stead mini-MELF package.
MECHANICAL DATA
Case: SOD-123, Plastic
Terminals: Solderable per MIL-STD-202, Method 208
Approx. Weight:0.01 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
SOD-123
R
E
T
E
M
A
R
A
P
L
O
B
M
Y
S
W
8
4
1
4
N
1
W
8
4
4
4
N
1
S
T
I
N
U
e
g
a
tl
o
V
e
s
r
e
v
e
R
V
R
5
7
5
7
V
e
g
a
tl
o
V
e
s
r
e
v
e
R
k
a
e
P
V
RM
0
0
1
0
0
1
V
e
g
a
tl
o
V
S
M
R
m
u
m
i
x
a
M
V
RMS
0
5
0
5
V
e
g
a
tl
o
V
g
n
i
k
c
o
l
B
C
D
m
u
m
i
x
a
M
V
DC
5
7
5
7
V
5
2
=
a
T
t
a
t
n
e
r
r
u
C
d
r
a
w
r
o
F
e
g
a
r
e
v
A
m
u
m
i
x
a
M
O
C
I
AV
0
5
1
0
5
1
A
m
e
v
a
w
-
e
n
i
s
fl
a
h
e
l
g
n
i
s
s
m
3
.
8
,t
n
e
r
r
u
C
e
g
r
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S
d
r
a
w
r
o
F
k
a
e
P
)
d
o
h
t
e
m
C
E
D
E
J
(
d
a
o
l
d
e
t
a
r
n
o
d
e
s
o
p
m
ir
e
p
u
s
I
FSM
0
.
2
0
.
4
A
5
2
e
v
o
b
A
e
t
a
r
e
D
n
o
it
a
p
i
s
s
i
D
r
e
w
o
P
O
C
P
TOT
0
1
4
0
0
5
W
m
e
g
a
tl
o
V
d
r
a
w
r
o
F
m
u
m
i
x
a
M
I
@
F
A
m
0
1
=
I
@
F
A
m
5
=
V
F
0
.
1
-
0
.
1
2
7
.
0
V
e
g
a
tl
o
V
g
n
i
k
c
o
l
B
C
D
d
e
t
a
R
t
a
t
n
e
r
r
u
C
e
s
r
e
v
e
R
C
D
m
u
m
i
x
a
M
T
J
5
2
=
O
C
I
R
5
.
2
5
.
2
A
)
1
s
e
t
o
N
(
e
c
n
a
ti
c
a
p
a
C
n
o
it
c
n
u
J
l
a
c
i
p
y
T
J
C
0
.
4
0
.
4
F
p
)
2
s
e
t
o
N
(
y
r
e
v
o
c
e
R
e
s
r
e
v
e
R
m
u
m
i
x
a
M
T
RR
0
.
4
0
.
4
s
n
e
c
n
a
t
s
i
s
e
R
l
a
m
r
e
h
T
m
u
m
i
x
a
M
R
A
J
0
5
4
0
5
4
O
W
/
C
e
g
n
a
R
e
r
u
t
a
r
e
p
m
e
T
e
g
a
r
o
t
S
T
J
5
2
1
+
O
T
5
5
-
O
C
NOTE:
1. CJ at V
R
=0, f=1MHZ
2.From I
F
=10mA to I
R
=1mA, V
R
=6Volts, R
L
=100
Part Number: 1N4148W, 1N4448W
PAGE 2
RATING and CHARACTERISTIC CURVES
RECTIFICATION EFFCIENCY MEASUREMENT CIRCUIT
TYPICAL CAPATICANCE
LEAKAGE CURRENT
FORWARD VOLTAGE
100
0.2
0.4
0.6
0.8
1.0
1.2
10
1.0
0.1
10
0
1.0
0.1
0.01
0.001
10
20
30
40
50
6.0
0
4.5
3.5
1.5
0
2
4
6
8
FOR
W
ARD
CURRENT
,m
A
FORWARD VOLTAGE, Volts
REVERSE
CURRENT
,A
m
REVERSE VOLTAGE, Volts
T =150 C
A
O
T =125 C
A
O
T =85 C
A
O
T =55 C
A
O
T =25 C
A
O
DIODE
CAP
ACIT
ANCE,
pF
REVERSE VOLTAGE, Volts
5k W
Vo
2nF
V =2V
RF
60 W
Part Number: 1N4148W, 1N4448W
PAGE 3
OUTLINE DRAWING
Copyright PanjIt International Inc. 2001
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner.
The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may changed without notice. No liability
will be accepted by the publisher for any consequence of its use.
Publication thereof does not convey nor imply any license under patent or other industrial or intellectual property rights.
PanJit Internatioal Inc.
TEL:886-7-6213121 Fax:886-7-6213129 Internet: http://www.panjit.com.tw email: sales@panjit.com.tw
.019
(0.50)
.028
(0.70)
.098 (2.50)
.110 (2.80)
.141 (3.60)
.154 (3.90)
.055
(1.40)
.071
(1.80)
.037
(.95)
.053
(1.35)
.008
(.20)
MAX.
.005 (.12) MAX.
.016 (.40) MIN.
SOD-123
Dimensions in inches and (millimeters)
4.9
2.5
1.2
0.7
3.7
Suggested Mounting Pad Layout
Dimensions in (millimeters)
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