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MMBD4448 Datasheet, PDF (1/3 Pages) Won-Top Electronics – SURFACE MOUNT FAST SWITCHING DIODE
Shanghai Lunsure Electronic
Technology Co.,Ltd
Tel:0086-21-37185008
Fax:0086-21-57152769
MMBD4448
Features
l Fast Switching Speed
l Surface Mount Package Ideally Suited for Automatic Insertion
l For General Purpose Switching Applications
l High Conductance
Mechanical Data
l Case: SOT-23, Molded Plastic
l Terminals: Solderable per MIL-STD-202, Method 208
l Polarity: See Diagram
l Marking: KA3
Surface Mount
Schottky Barrier
Switching Diode
350mW
SOT-23
A
D
Maximum Ratings @ 25oC Unless Otherwise Specified
Characteristic
Non-Repetitive Peak Reverse Volt.
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current(Note1)
Symbol
VRM
VRRM
VRWM
VR
VR(RMS)
IFM
Value
Unit
100
V
75
V
53
V
500
mA
Average Rectified Output Current
Io
Non-Repetitive Peak @ t<=1.0s
IFSM
250
mA
2
A
Forward Surge Current @ t=1.0us
4
A
Power Dissipation(Note 1)
Pd
350
mW
Thermal Resistance(Note 1)
Operation/Storage Temp. Range
R
Tj, TSTG
357
K/W
-55 to +150
oC
Electrical Characteristics @ 25oC Unless Otherwise Specified
Charateristic
Maximum Forward
Voltage Drop
Maximum Peak
Reverse Current
Junction Capacitance
Reverse Recovery Time
Symbol Min
0.62
VFM -----
IR M -----
Cj -----
trr -----
Max
0.72
0.855
1
1.25
2.5
50
30
25
4
4
Unit Test Cond.
IF=5.0mA
V
IF=10mA
IF=100mA
IF=150mA
uA
VR=75V
uA VR=75V Tj=150o C
uA VR=25V Tj=150o C
nA
VR=20V
pF VR=0V, f=1.0MHz
ns
F
E
CB
G
H
J
DIMENSIONS
INCHES
DIM
MIN
MAX
A
.110
.120
B
.083
.098
C
.047
.055
D
.035
.041
E
.070
.081
F
.018
.024
G
.0005
.0039
H
.035
.044
J
.003
.007
K
.015
.020
MM
MIN
2.80
2.10
1.20
.89
1.78
.45
.013
.89
.085
.37
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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