MMBD4448 Ver la hoja de datos (PDF) - Diodes Incorporated.
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componentes Descripción
Fabricante
MMBD4448 Datasheet PDF : 4 Pages
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MMBD4448
Maximum Ratings @TA = 25°C unless otherwise specified
Characteristic
Symbol
Value
Unit
Non-Repetitive Peak Reverse Voltage
VRM
100
V
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
75
V
VR
RMS Reverse Voltage
VR(RMS)
53
V
Forward Continuous Current (Note 4)
IFM
500
mA
Average Rectified Output Current (Note 4)
IO
250
mA
Non-Repetitive Peak Forward Surge Current
@ t = 1.0μs
@ t = 1.0s
IFSM
4.0
1.0
A
Thermal Characteristics
Characteristic
Power Dissipation (Note 4)
Thermal Resistance Junction to Ambient Air (Note 4)
Operating and Storage Temperature Range
Symbol
PD
RθJA
TJ , TSTG
Value
350
357
-65 to +150
Unit
mW
°C/W
°C
Electrical Characteristics @TA = 25°C unless otherwise specified
Characteristic
Reverse Breakdown Voltage (Note 5)
Forward Voltage
Reverse Current (Note 5)
Total Capacitance
Reverse Recovery Time
Symbol
V(BR)R
VF
Min
75
0.62
⎯
⎯
⎯
IR
⎯
CT
⎯
trr
⎯
Max
⎯
0.72
0.855
1.0
1.25
2.5
50
30
25
4.0
4.0
Unit
V
V
μA
μA
μA
nA
pF
ns
Test Condition
IR = 2.5μA
IF = 5.0mA
IF = 10mA
IF = 100mA
IF = 150mA
VR = 75V
VR = 75V, TJ = 150°C
VR = 25V, TJ = 150°C
VR = 20V
VR = 0, f = 1.0MHz
IF = IR = 10mA,
Irr = 0.1 x IR, RL = 100Ω
Notes: 4. Part mounted on FR-4 board with recommended pad layout, which can be found on our website at http://www.diodes.com.
5. Short duration pulse test used to minimize self-heating effect.
500
1,000
400
Note 4
100
300
10
200
100
1
0
0
40
80
120
160 200
TA, AMBIENT TEMPERATURE (°C)
Fig. 1 Power Derating Curve
0.1
0
0.4
0.8
1.2
1.6
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
MMBD4448
Document number: DS12011 Rev. 17 - 2
2 of 4
www.diodes.com
February 2011
© Diodes Incorporated
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