SPICE MODEL: MMBD4448
MMBD4448
SURFACE MOUNT SWITCHING DIODE
Features
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·
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Fast Switching Speed
SOT-23
Surface Mount Package Ideally Suited for Automatic Insertion
For General Purpose Switching Applications
High Conductance
Dim
A
B
C
D
E
Min
0.37
1.20
2.30
0.89
0.45
1.78
2.80
0.013
0.903
0.45
0.085
0°
Max
0.51
1.40
2.50
1.03
0.60
2.05
3.00
0.10
1.10
0.61
0.180
8°
A
Lead Free/RoHS Compliant (Note 3)
B
C
Mechanical Data
TOP VIEW
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Case: SOT-23
D
E
G
·
Case material: Molded Plastic. UL Flammability
Classification Rating 94V-0
G
H
J
H
K
M
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Moisture Sensitivity: Level 1 per J-STD-020C
J
Terminals: Solderable per MIL-STD-202, Method 208
L
K
L
Lead Free Plating (Matte Tin Finish annealed over Alloy 42
leadframe).
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Polarity: See Diagram
M
a
Marking: KA3 (See Page 2)
Weight: 0.008 grams (approx.)
All Dimensions in mm
@ TA = 25°C unless otherwise specified
Maximum Ratings
Characteristic
Symbol
MMBD4448
Unit
VRM
Non-Repetitive Peak Reverse Voltage
100
V
VRRM
VRWM
VR
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
75
VR(RMS)
IFM
RMS Reverse Voltage
53
V
Forward Continuous Current (Note 1)
Average Rectified Output Current (Note 1)
500
250
mA
mA
IO
Non-Repetitive Peak Forward Surge Current @ t = 1.0ms
4.0
2.0
IFSM
Pd
A
@ t = 1.0s
Power Dissipation (Note 1)
350
357
mW
°C/W
°C
R
qJA
Thermal Resistance Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
Tj , TSTG
-65 to +150
@ TA = 25°C unless otherwise specified
Electrical Characteristics
Characteristic
Symbol
Min
Max
¾
Unit
Test Condition
V(BR)R
Reverse Breakdown Voltage (Note 2)
V
IR = 2.5mA
75
0.72
IF = 5.0mA
IF = 10mA
IF = 100mA
IF = 150mA
0.62
¾
0.855
VF
Forward Voltage (Note 2)
Reverse Current (Note 2)
V
¾
1.0
¾
1.25
VR = 75V
2.5
50
30
25
mA
mA
mA
nA
VR = 75V, Tj = 150°C
VR = 25V, Tj = 150°C
VR = 20V
IR
¾
VR = 0, f = 1.0MHz
CT
trr
Total Capacitance
¾
¾
4.0
4.0
pF
ns
IF = IR = 10mA,
Irr = 0.1 x IR, RL = 100W
Reverse Recovery Time
Notes: 1. Part mounted on FR-4 board with recommended pad layout, which can be found on our website
at http://www.diodes.com/datasheets/ap02001.pdf.
2. Short duration test pulse used to minimize self-heating effect.
3. No purposefully added lead.
DS12011 Rev. 11 - 2
1 of 3
MMBD4448
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ã Diodes Incorporated