1N4448W 1 of 3 © 2002 Won-Top Electronics
1N4448W
SURFACE MOUNT FAST SWITCHING DIODE
Features
! High Conductance
! Fast Switching Speed A
! Surface Mount Package Ideally Suited for
Automatic Insertion
! For General Purpose Switching Application C
! Plastic Material – UL Recognition Flammability D
Classification 94V-O B
E
Mechanical Data H
! Case: SOD-123, Molded Plastic G
! Terminals: Plated Leads Solderable per J
MIL-STD- 202, Met hod 208
! Polarity: Cathode Band
! Weight: 0.01 grams (approx.)
! Marking: A3
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic Symbol Value Unit
Non-Repetiti ve P eak Reverse Voltage VRM 100 V
Peak Repetit i ve Revers e Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR75 V
RMS Reverse Voltage VR(RMS) 53 V
Forward Continuous Current (Note 1) IFM 500 mA
Average Rectified Output Current (Note 1) IO250 mA
Non-Repetiti ve Peak Forward Surge Current @ t = 1.0µs
@ t = 1.0s IFSM 4.0
2.0 A
Power Dissipation (Note 1) Pd500 mW
Typical Thermal Resistance, Junction to Ambient Air (Note 1) RJA 357 K/W
Operating and Storage Temperature Range Tj, TSTG -65 to +150 °C
Electrical Characteristics @TA=25°C unless ot herwise specified
Characteristic Symbol Value Unit
Forward Voltage Drop @ IF = 5mA
@ I
F = 10mA VFM 0.72
1.0 V
Peak Reverse Leakage Current @ VR = 20V
@ V
R = 75V IRM 25
5.0 nA
µA
Typi cal Junction Capacitanc e (VR = 0V DC, f = 1.0MHz) Cj4.0 pF
Reverse Recovery Time (Note 2) trr 4.0 nS
Note: 1. Valid provided that terminals are kept at ambient temperature.
2. Measured with IF = IR = 10mA, IRR = 0.1 x IR, RL = 100.
WTE
POWER SEMICONDUCTORS
SOD-123
Dim Min Max
A3.6 3.9
B2.5 2.8
C1.4 1.8
D0.5 0.7
E—0.2
G0.4 —
H0.95 1.35
J—0.12
All Dimensions in mm