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1N4448HWS
Document number: DS30196 Rev. 12 - 2
1 of 4
www.diodes.com
September 2013
? Diodes Incorporated
1N4448HWS
SURFACE MOUNT FAST
SWITCHING DIODE
Features
?
Fast Switching Speed
?
Small Surface Mount Package
?
For General Purpose Switching Applications
?
High Conductance
?
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
?
Halogen and Antimony Free. “Green” Device (Note 3)
Mechanical Data
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Case: SOD323
?
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
?
Leads: Matte Tin Finish annealed over Alloy 42 leadframe (Lead
Free Plating). Solderable per MIL-STD-202, Method 208
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Polarity: Cathode Band
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Weight: 0.004 grams (approximate)
Ordering Information
(Note 4)
Part Number
Qualification Case
Packaging
1N4448HWS-7-F Commercial SOD323 3,000/Tape & Reel
1N4448HWSQ-7-F Automotive SOD323 3,000/Tape & Reel
1N4448HWS-13-F Commercial SOD323 10,000/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.
4. For packaging details, go to our website at http://www.diodes.com/products/packages.html
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
80 V
RMS Reverse Voltage
VR(RMS)
57 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
1.0
A
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 5)
PD
200 mW
Thermal Resistance Junction to Ambient Air (Note 5)
R?JA
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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