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1N4448WS
Document number: DS30096 Rev. 13 - 2
1 of 4
www.diodes.com
September 2013
? Diodes Incorporated
1N4448WS
SURFACE MOUNT FAST
SWITCHING DIODE
Features
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Fast Switching Speed
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Small Surface Mount Package
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For General Purpose Switching Applications
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High Conductance
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Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
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Halogen and Antimony Free. “Green” Device (Note 3)
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Qualified to AEC-Q101 Standards for High Reliability
Mechanical Data
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Case: SOD323
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Case Material: Molded Plasti
c, “Green” Molding Compound.
UL Flammability Classification Rating 94V-0
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Moisture Sensitivity: Level 1 per J-STD-020
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Leads: Matte Tin Finish annealed over Alloy 42 leadframe (Lead
Free Plating). Solderable per MIL-STD-202, Method 208
e3
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Polarity: Cathode Band
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Weight: 0.004 grams (approximate)
Ordering Information
Part Number
Case
Packaging
1N4448WS-7-F
SOD323
3000/Tape & Reel
Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more in
formation about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined
as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
Marking Information
Maximum Ratings
(@TA
= +25°C, unless otherwise specified.)
Characteristic Symbol Value Unit
Non-Repetitive Peak Reverse Voltage
VRM
100 V
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
75 V
RMS Reverse Voltage
VR(RMS)
53 V
Forward Continuous Current
IFM
500 mA
Average Rectified Output Current
IO
250 mA
Non-Repetitive Peak Forward Surge Current @t = 1.0μs
@t = 1.0s
IFSM
4
0.5
A
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 5)
PD
200 mW
Thermal Resistance Junction to Ambient Air (Note 5)
RθJA
625 °C/W
Operating and Storage Temperature Range
TJ, TSTG
-65 to +150 °C
Top View
SOD323
T5 = Product Type Marking Code
T5
Cathode Band
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