formerly General Semiconductor Small-Signal Diode Mounting L
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IMBD4448
formerly General Semiconductor
Small-Signal Diode
Mounting Layout
TO-236AB (SOT-23)
.122 (3.1) .110 (2.8) .016 (0.4) .056 (1.43) .052 (1.33)
0.031 (0.8)
View
0.079 (2.0)
0.035 (0.9)
max. .004 (0.1)
0.037 (0.95)
.007 (0.175) .005 (0.125)
0.037 (0.95)
.037(0.95) .037(0.95)
.045 (1.15) .037 (0.95)
Features
Silicon Epitaxial Planar Diodes Fast switching diode case SOT-23, especially suited automatic insertion. This diodes also available other case styles including: DO-35 case with type designation 1N4448, Mini-MELF case with type designation LL4448, SOD-123 case with type designation 1N4448W.
.016 (0.4)
.016 (0.4)
.102 (2.6) .094 (2.4)
Dimensions inches (millimeters)
Marking
Mechanical Data
View
Case: SOT-23 Plastic Package Weight: approx. 0.008g Packaging Codes/Options: E8/10K reel (8mm tape), 30K/box E9/3K reel (8mm tape), 30K/box
25°C unless otherwise noted)
Maximum Ratings Thermal Characteristics
Parameter Reverse Voltage Peak Reverse Voltage Rectified Current (Average) Half Wave Rectification with Resist. Load Tamb 25°C 50Hz Surge Forward Current 25°C Power Dissipation Tamb 25°C Thermal Resistance Junction Ambient Junction Temperature Storage Temperature Range
Note: Device fiberglass substrate, layout next page.
Symbol IF(AV) IFSM Ptot
Value 150(1)
Unit °C/W
+150
Document Number 88204 14-May-02
www.vishay.com
IMBD4448
formerly General Semiconductor
Electrical Characteristics
Parameter Forward Voltage
25°C unless otherwise noted)
Symbol
Test Condition 100mA
0.62
0.72
Unit
Leakage Current Capacitance Reverse Recovery Time
Ctot
70V, 150°C 25V, 150°C 1MHz 10mA, 10mA
(1)Device fiberglass substrate, layout (SOT-23).
Layout RthJA test
Thickness: Fiberglass 0.059 (1.5 Copper leads 0.012 (0.3
0.30 (7.5) 0.12
0.59 (15) 0.47 (12)
0.03 (0.8)
0.06 (1.5) 0.20 (5.1)
Dimensions inches (millimeters)
www.vishay.com
Document Number 88204 14-May-02
IMBD4448
formerly General Semiconductor
Ratings Characteristic Curves 25°C unless otherwise noted)
Document Number 88204 14-May-02
www.vishay.com
IMBD4448
formerly General Semiconductor
Ratings Characteristic Curves 25°C unless otherwise noted)
www.vishay.com
Document Number 88204 14-May-02
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