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1N4448HWS
SURFACE MOUNT FAST SWITCHING DIODE
Features
• Fast Switching Speed
• Ultra-Small Surface Mount Package
• For General Purpose Switching Applications
• High Conductance
• Lead Free/RoHS Compliant (Note 3)
Mechanical Data
• Case: SOD-323
• Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020D
• Leads: Solderable per MIL-STD-202, Method 208
• Lead Free Plating (Matte Tin Finish annealed over Alloy 42
leadframe).
• Polarity: Cathode Band
• Marking Information: See Page 3
• Ordering Information: See Page 3
• Weight: 0.004 grams (approximate)
SOD-323
TOP VIEW
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
80 V
RMS Reverse Voltage
V
R(RMS)
57 V
Forward Continuous Current
I
FM
500 mA
Average Rectified Output Current
I
O
250 mA
Non-Repetitive Peak Forward Surge Current @ t = 1.0μs
@ t = 1.0s
I
FSM
4.0
2.0
A
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 2)
P
D
200 mW
Thermal Resistance Junction to Ambient Air (Note 2)
R
θ
JA
625
°C/W
Operating and Storage Temperature Range
T
J
, T
STG
-65 to +150
°C
Electrical Characteristics @T
A
= 25°C unless otherwise specified
Characteristic Symbol Min Max Unit Test Condition
Reverse Breakdown Voltage (Note 1)
V
BR(R)
80
⎯
V
I
R
= 100μA
Forward Voltage
V
FM
0.62
⎯
⎯
⎯
0.72
0.855
1.0
1.25
V
I
F
= 5.0mA
I
F
= 10mA
I
F
= 100mA
I
F
= 150mA
Peak Reverse Current (Note 1)
I
RM
⎯
100
50
30
25
nA
μA
μA
nA
V
R
= 80V
V
R
= 75V, T
J
= 150°C
V
R
= 25V, T
J
= 150°C
V
R
= 20V
Total Capacitance
C
T
⎯
3.5 pF
V
R
= 0, f = 1.0MHz
Reverse Recovery Time
t
rr
⎯
4.0 ns
I
F
= I
R
= 10mA,
I
rr
= 0.1 x I
R
, R
L
= 100Ω
Notes: 1. Short duration pulse test used to minimize self-heating effect.
2. Part mounted on FR-4 PC board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
3. No purposefully added lead.
1N4448HWS
Document number: DS30196 Rev. 8 - 2
1 of 3
www.diodes.com
June 2008
© Diodes Incorporated
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