WTE
POWER SEMICONDUCTORS
Pb
MMBD4448
SURFACE MOUNT FAST SWITCHING DIODE
Features
!
High Conductance
L
!
!
Fast Switching
Surface Mount Package Ideally Suited for
Automatic Insertion
A
!
!
For General Purpose and Switching
Plastic Material – UL Recognition Flammability
Classification 94V-O
B
C
M
E
D
SOT-23
Min
H
G
Dim
A
Max
0.51
1.40
2.50
1.05
0.61
2.05
3.05
0.15
1.10
0.61
0.178
0.37
1.19
2.10
0.89
0.45
1.78
2.65
0.013
0.89
0.45
0.076
Mechanical Data
B
!
!
Case: SOT-23, Molded Plastic
Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
K
C
D
J
E
G
H
!
!
!
!
!
Polarity: See Diagram
Weight: 0.008 grams (approx.)
Mounting Position: Any
Marking: A3
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 4
J
K
L
M
All Dimensions in mm
TOP VIEW
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic
Symbol
Value
Unit
Non-Repetitive Peak Reverse Voltage
VRM
100
V
V
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
75
Forward Continuous Current (Note 1)
IF
IO
500
250
mA
mA
A
Average Rectified Output Current (Note 1)
Peak Forward Surge Current (Note 1)
Power Dissipation (Note 1)
@ t < 1.0µs
IFSM
Pd
4.0
350
mW
°C/W
°C
Typical Thermal Resistance, Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
RꢀJA
Tj, TSTG
357
-65 to +150
MMBD4448
1 of 4
© 2006 Won-Top Electronics