Diodes 1N4448WS User Manual
Features, Mechanical data, Ordering information
1N4448WS
Document number: DS30096 Rev. 13 - 2
1 of 4
September 2013
© Diodes Incorporated
1N4448WS
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)
Qualified to AEC-Q101 Standards for High Reliability
Mechanical Data
Case:
SOD323
Case Material: Molded Plastic, “Green” Molding Compound.
UL Flammability Classification Rating 94V-0
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
Polarity: Cathode Band
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. S
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
(@T
A
= +25°C, unless otherwise specified.)
Characteristic Symbol
Value
Unit
Non-Repetitive Peak Reverse Voltage
V
RM
100 V
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
75 V
RMS Reverse Voltage
V
R(RMS)
53 V
Forward Continuous Current
I
FM
500 mA
Average Rectified Output Current
I
O
250 mA
Non-Repetitive Peak Forward Surge Current
@t = 1.0
μs
@t = 1.0s
I
FSM
4
0.5
A
Thermal Characteristics
Characteristic Symbol
Value
Unit
Power Dissipation (Note 5)
P
D
200 mW
Thermal Resistance Junction to Ambient Air (Note 5)
R
θJA
625 °C/W
Operating and Storage Temperature Range
T
J
, T
STG
-65 to +150
°C
Top View
SOD323
e3
T5 = Product Type Marking Code
T5
Cathode Band