DS30196 Rev. 4 - 2 1 of 3 1N4448HWS
1N4448HWS
SURFACE MOUNT FAST SWITCHING DIODE
Features
·Case: SOD-323, Plastic
·Case Material - UL Flammability Rating
Classification 94V-0
·Moisture Sensitivity: Level 1 per J-STD-020A
·Polarity: Cathode Band
·Leads: Solderable per MIL-STD-202,
Method 208
·Marking: T5
·Weight: 0.004 grams (approx.)
Mechanical Data
A
B
C
D
E
G
a
H
J
Characteristic Symbol 1N4448HWS 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 IO250 mA
Non-Repetitive Peak Forward Surge Current @ t = 1.0ms
@ t = 1.0s IFSM 4.0
2.0 A
Power Dissipation (Note 2) Pd200 mW
Thermal Resistance Junction to Ambient Air (Note 2) RqJA 625 °C/W
Operating and Storage Temperature Range Tj,T
STG -65 to +150 °C
Maximum Ratings @ TA= 25°C unless otherwise specified
Notes: 1. Short duration test pulse used to minimize self-heating.
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.
Characteristic Symbol Min Max Unit Test Condition
Reverse Breakdown Voltage (Note 1) VBR(R) 80 ¾VIR= 100mA
Forward Voltage (Note 1) VFM
0.62
¾
¾
¾
0.72
0.855
1.0
1.25
V
IF= 5.0mA
IF= 10mA
IF= 100mA
IF= 150mA
Peak Reverse Current (Note 1) IRM ¾
100
50
30
25
nA
mA
mA
nA
VR= 80V
VR= 75V, Tj= 150°C
VR= 25V, Tj= 150°C
VR= 20V
Total Capacitance CT¾3.5 pF VR= 0, f = 1.0MHz
Reverse Recovery Time trr ¾4.0 ns IF= IR= 10mA,
Irr = 0.1 x IR,R
L= 100W
Electrical Characteristics @ TA= 25°C unless otherwise specified
·Fast Switching Speed
·Ultra-Small Surface Mount Package
·For General Purpose Switching Applications
·High Conductance
NEW PRODUCT
SOD-323
Dim Min Max
A 2.30 2.70
B 1.60 1.80
C 1.20 1.40
D 1.05 Typical
E 0.25 0.35
G 0.20 0.40
H 0.10 0.15
J 0.05 Typical
a0°8°
All Dimensions in mm