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MMBD4448H Datasheet, PDF (1/2 Pages) Diodes Incorporated – SURFACE MOUNT SWITCHING DIODE
MMBD4448H
Surface Mount Switching Diode
Features
Fast switching speed
Surface mount package ideally suited for
automatic insertion
For general purpose switching applications
High conductance
Mechanical Data
Case: SOT-23, Molded plastic
Terminals: Solderable per MIIL-STD-202,
Method 208
Polarity: See diagram
Marking: KA3
Weight: 0.008 gram (approx.)
Voltage Range
80 Volts
350m Watts Power Dissipation
SOT-23
0.020(0.51)
0.015(0.37)
0.055(1.40) 0.098(2.50)
0.047(1.19) 0.083(2.10)
0.080(2.05)
0.070(1.78)
0.024(0.61)
0.018(0.45)
0.120(3.05)
0.104(2.65)
0.041(1.05)
0.047(0.89)
0.043(1.10)
0.035(0.89)
0.006(0.15)
0.001(0.013)
0.024(0.61)
0.018(0.45)
0.007(0.178)
0.003(0.076)
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25℃ambient temperature unless otherwise specified.
Maximum Ratings
Type Number
Symbol
MMBD4448H
Non-Repetitive Peak Reverse Voltage
VRM
100
Peak Repetitive Reverse Voltage
VRRM
Working Peak Reverse Voltage
VRWM
80
DC Blocking Voltage
VR
RMS Reverse Voltage
VR(RMS)
57
Forward Continuous Current (Note 1)
IFM
500
Average Rectifier Output Current (Note 1)
Io
250
Non-Repetitive Peak Forward Surge Current
@ t=1.0uS
IFSM
4.0
@ t=1.0S
2.0
Power Dissipation (Note 1)
Pd
350
Thermal Resistance Junction to Ambient Air
(Note 1)
RθJA
357
Operating and Storage Temperature Range
Electrical Characteristics
TJ, TSTG
-65 to + 150
Type Number
Reverse Breakdown Voltage (Note 2) IR=2.5uA
Symbol
V(BR)
Min
Max
80
_
Forward Voltage
IF=5.0mA
0.62
0.72
IF= 10mA
IF =100mA
VF
0.855
1.0
IF=150mA
1.25
Peak Reverse Current (Note 2)
VR=75V
VR=75V, Tj=150℃
IR
VR=25V, TJ=150℃
VR=20V
Junction Capacitance VR=0.6V, f=1.0MHz
Cj
Reverse Recovery Time VR=6V, IF=5mA
trr
100
_
50
30
25
_
3.5
_
4.0
Notes: 1. Valid Provided that Terminals are Kept at Ambient Temperature.
2. tp < 300uS, Duty Cycle < 2%.
Units
V
V
V
mA
mA
A
mW
K/W
OC
Units
V
V
uA
nA
pF
nS
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