MCC
Features
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Fast Switching Speed
omponents
21201 Itasca Street Chatsworth
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MMBD4448
Surface Mount Package Ideally Suited for Automatic Insertion
For General Purpose Switching Applications
High Conductance
Surface Mount
Schottky Barrier
Switching Diode
350mW
Mechanical Data
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Case: SOT-23, Molded Plastic
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Terminals: Solderable per MIL-STD-202, Method 208
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Polarity: See Diagram
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Marking: KA3
A
D
SOT-23
Maximum Ratings @ 25 C Unless Otherwise Specified
o
C
B
Characteristic
Non-Repetitive Peak Reverse Volt.
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current(Note1)
Average Rectified Output Current
Non-Repetitive Peak @ t<=1.0s
Forward Surge Current @ t=1.0us
Power Dissipation(Note 1)
Thermal Resistance(Note 1)
Operation/Storage Temp. Range
Symbol
V
RM
V
RRM
V
RWM
V
R
V
R(RMS)
I
FM
Io
I
FSM
Pd
R
Tj, T
STG
Value
100
75
53
500
250
2
4
350
357
-55 to +150
Unit
V
V
V
mA
mA
A
A
mW
K/W
o
F
E
G
H
J
DIMENSIONS
INCHES
MIN
.110
.083
.047
.035
.070
.018
.0005
.035
.003
.015
MM
MIN
2.80
2.10
1.20
.89
1.78
.45
.013
.89
.085
.37
C
Electrical Characteristics @ 25
o
C Unless Otherwise Specified
Charateristic
Maximum Forward
Voltage Drop
Symbol
V
F M
Min
0.62
-----
Max
0.72
0.855
1
1.25
2.5
Maximum Peak
Reverse Current
Junction Capacitance
Reverse Recovery Time
Cj
t
rr
-----
-----
I
RM
-----
50
30
25
4
4
uA
uA
uA
nA
pF
ns
V
Unit
Test Cond.
I
F
=5.0mA
I
F
=10mA
I
F
=100mA
I
F
=150mA
V
R
=75V
V
R
=75V Tj=150 C
V
R
=25V Tj=150 C
V
R
=20V
V
R
=0V, f=1.0MHz
o
o
DIM
A
B
C
D
E
F
G
H
J
K
MAX
.120
.098
.055
.041
.081
.024
.0039
.044
.007
.020
MAX
3.04
2.64
1.40
1.03
2.05
.60
.100
1.12
.180
.51
NOTE
Suggested Solder
Pad Layout
.031
.800
.035
.900
.079
2.000
inches
mm
.037
.950
.037
.950
Note
: 1. Valid provided that terminals are kept at ambient temperature
2. Trr Test Condition: IF=IR=10mA, Irr=0.1*IR, R=100 OHM
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