DIMENSIONS
INCHES MM DIM MIN MAX MIN MAX NOTE
A .090 .107 2.30 2.70
B .063 .071 1.60 1.80
C .045 .053 1.15 1.35
D .031 .045 0.80 1.15
E .010 .016 0.25 0.40
G .004 .018 0.10 0.45
H .004 .010 0.10 0.25
J ----- .006 ----- 0.15
Features
l Fast Switching Speed
l Ultra Small Surface Mount Package
l For General Purpose Switching Applications
l High Conductance
Mechanical Data
l Case: SOD-323, Molded Plastic
l Polarity: Indicated by Cathode Band
Maximum Ratings @ 25oC Unless Otherwise Specified
Characteristic Symbol Value Unit
Non-Repetitive Peak Reverse Volt. VRM 100 V
Peak Repetitive Reverse Voltage VRRM
Working Peak Reverse Voltage VRWM 75 V
DC Blocking Voltage VR
RMS Reverse Voltage VR(RMS) 53 V
Forward Continuous Current(Note1)
IFM 500 mA
Average Rectified Output Current Io 250 mA
Non-Repetitive Peak @ t=1.0us
Forward Surge Current @ t=1.0s
IFSM 4
2A
A
Power Dissipation(Note 1) Pd 200 mW
Thermal Resistance(Note 1) R 625 K/W
Operation/Storage Temp. Range Tj, TSTG -65 to +150 oC
1N4448WX
A
B
E
C
J
D
H
G
SOD323
0.022”
0.074"
0.027”
SUGGESTED SOLDER
PAD LAYOUT
Electrical Characteristics @ 25oC Unless Otherwise Specified
Charateristic Symbol Max Unit Test Cond.
0.720 IF=5.0mA
Maximum Forward
V
FM
0.855
V
I
F
=10mA
Voltage Drop 1 IF=100mA
1.25
I
F
=150mA
Maximum Peak
I
RM
50
uA
V
R
=75V Tj=150
o
C
Reverse Current 30 uA VR=25V Tj=150oC
25 nA
V
R
=20V
Junction Capacitance Cj 4 pF VR=0V, f=1.0MHz
Reverse Recovery Time trr 4ns IF=IR=10mA, Irr=0.1IR,
RL=100 OHM
Note: 1. Valid provided that terminals are kept at ambient temperature
High Speed
Switching Diode
200mW
V
R
=75V
2.5
uA
θJA
www.mccsemi.com
Revision: 2 2005/07/13
omponents
20736 Marilla Street Chatsworth
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MCC
1N4448WX
1
10
100
1000
10,000
0 100 200
I , LEAKAGE CURRENT (nA)
R
T , JUNCTION TEMPERATURE (°C)
Fig. 2 Leakage Current vs Junction Temperature
j
V = 20V
R
10
1.0
100
1000
0.1
0.01
01
2
I , INSTANTANE
O
US F
O
RWARD CURRENT (mA)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Forward Characteristics
F
MCC
www.mccsemi.com
Revision: 2 2005/07/13
