®
MMBD4448HT / HTA / HTC / HTS
SURFACE MOUNT FAST SWITCHING DIODE
WON-TOP ELECTRONICS
Pb
Features
Single and Dual Diode
K
Fast Switching
Surface Mount Package Ideally Suited for
Automatic Insertion
A
B
For General Purpose Switching Applications
Plastic Material – UL Recognition Flammability
Classification 94V-0
C
L
D
G
E
SOT-523
Min
Dim
Max
0.30
0.85
1.75
Mechanical Data
A
B
C
D
E
G
H
J
0.15
H
Case: SOT-523, Molded Plastic
Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
0.75
1.45
J
0.50 Typical
0.90
1.50
0.60
0.02
0.10
0.10
1.10
1.70
0.80
0.10
0.30
0.20
Polarity: See Diagrams Below
Weight: 0.002 grams (approx.)
Marking: Device Code, See Page 3
Mounting Position: Any
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 4
K
L
All Dimensions in mm
TOP VIEW
MMBD4448HT
TOP VIEW
MMBD4448HTA
TOP VIEW
MMBD4448HTC
TOP VIEW
MMBD4448HTS
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic
Symbol
Value
Unit
Non-Repetitive Peak Reverse Voltage
VRSM
100
V
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
80
V
Repetitive Peak Forward Current
Continuous Forward Current
IFRM
IO
500
250
mA
mA
Non-Repetitive Peak Forward Surge Current
@ t = 1.0µs
@ t = 1.0s
4.0
1.0
IFSM
A
Operating and Storage Temperature Range
TJ, TSTG
-55 to +150
°C
Thermal Characteristics
Characteristic
Symbol
PD
Value
150
Unit
mW
Power Dissipation (Note 1)
Thermal Resistance, Junction to Ambient (Note 1)
RθJA
833
°C/W
Note: 1. Mounted on FR-4 PC board with minimum recommended pad layout.
© Won-Top Electronics Co., Ltd.
Revision: May, 2014
www.wontop.com
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