SPICE MODEL: 1N4448HWT
1N4448HWT
SURFACE MOUNT FAST SWITCHING DIODE
Lead-free Green
Features
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Fast Switching Speed
Ultra-Small Surface Mount Package
For General Purpose Switching Applications
High Conductance
CATHODE MARK
SOD-523
Lead Free by Design/RoHS Compliant (Note 1)
"Green" Device, Note 3 and 4
Dim
A
Min
1.50
1.10
0.25
0.70
0.10
0.55
Max
1.70
1.30
0.35
0.90
0.20
0.65
Mechanical Data
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B
Case: SOD-523
C
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Case Material: Molded Plastic, "Green" Molding
Compound, Note 4. UL Flammability Classification
Rating 94V-0
D
MARKING CODE
E
G
E
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Moisture Sensitivity: Level 1 per J-STD-020C
Terminal Connections: Cathode Band
C
D
All Dimensions in mm
G
Terminals: Solderable per MIL-STD-202, Method 208
Lead Free Plating (Matte Tin Finish) annealed over
Alloy 42 leadframe.
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Marking Code: T8
Ordering Information: See Last Page
Weight: 0.002 grams (approximate)
@ TA = 25°C unless otherwise specified
Maximum Ratings
Characteristic
Symbol
Value
Unit
VRM
Non-Repetitive Peak Reverse Voltage
100
V
VRRM
VRWM
VR
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
80
VR(RMS)
IFM
RMS Reverse Voltage
57
V
Forward Continuous Current
Average Rectified Output Current
250
125
mA
mA
IO
Non-Repetitive Peak Forward Surge Current @ t = 1.0ms
2.0
1.0
IFSM
A
@ t = 1.0s
Tj , TSTG
Operating and Storage Temperature Range
-65 to +150
°C
@ TA = 25°C unless otherwise specified
Thermal Characteristics
Characteristic
Power Dissipation (Note 2)
Symbol
Value
150
Unit
mW
Pd
RqJA
Thermal Resistance Junction to Ambient (Note 2)
833
°C/W
Note:
1. No purposefully added lead.
2. Part mounted on FR-4 board with recommended pad layout, which can be found on our website
at http://www.diodes.com/datasheets/ap02001.pdf.
3. Diode's Inc.'s "Green" Policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
4. Product manufactured with date code 0609 (week 9, 2006) and newer are built with Green Molding Compound. Product manufactured prior to date
code 0609 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
DS30395 Rev. 5 - 2
1 of 3
1N4448HWT
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ã Diodes Incorporated