MMBD4448HW
SURFACE MOUNT SWITCHING DIODE
Features
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Fast Switching Speed
Surface Mount Package Ideally Suited for
Automatic Insertion
For General Purpose Switching Applications
High Conductance
SOT-323
Dim
A
NEW PRODUCT
Min
0.30
1.15
2.00
0.30
1.20
1.80
0.0
0.90
0.25
0.10
Max
0.40
1.35
2.20
0.40
1.40
2.20
0.10
1.00
0.40
0.25
A
B
C
B
C
Mechanical Data
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Case: SOT-323, Molded Plastic
Terminals: Solderable per MIL-STD-202,
Method 208
Polarity: See Diagram
Marking: KA1
Weight: 0.006 grams (approx.)
E
D
E
G
H
J
M
L
0.65 Nominal
TOP VIEW
D
G
H
K
J
K
L
M
All Dimensions in mm
Maximum Ratings
@ T
A
= 25擄C unless otherwise specified
Characteristic
Non-Repetitive Peak Reverse Voltage
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current (Note 1)
Average Rectified Output Current (Note 1)
Non-Repetitive Peak Forward Surge Current @ t = 1.0ms
@ t = 1.0s
Power Dissipation (Note 1)
Thermal Resistance Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
Symbol
V
RM
V
RRM
V
RWM
V
R
V
R(RMS)
I
FM
I
O
I
FSM
P
d
R
qJA
T
j
, T
STG
MMBD4448H
100
80
57
500
250
4.0
2.0
200
625
-65 to +150
Unit
V
V
V
mA
mA
A
mW
擄C/W
擄C
Electrical Characteristics
Characteristic
Reverse Breakdown Voltage (Note 2)
Forward Voltage (Note 2)
@ T
A
= 25擄C unless otherwise specified
Symbol
V
(BR)R
V
FM
Min
80
0.62
戮
戮
戮
戮
戮
戮
Max
戮
0.72
0.855
1.0
1.25
100
50
30
25
3.5
4.0
Unit
V
V
nA
mA
mA
nA
pF
ns
Test Condition
I
R
= 2.5mA
I
F
= 5.0mA
I
F
= 10mA
I
F
= 100mA
I
F
= 150mA
V
R
= 70V
V
R
= 75V, T
j
= 150擄C
V
R
= 25V, T
j
= 150擄C
V
R
= 20V
V
R
= 6V, f = 1.0MHz
V
R
= 6V, I
F
= 5mA
Peak Reverse Current (Note 2)
Junction Capacitance
Reverse Recovery Time
Notes:
I
RM
C
j
t
rr
1. Valid provided that terminals are kept at ambient temperature.
2. Short duration test pulse used to minimize self-heating effect.
DS30228 Rev. A-2
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MMBD4448HW
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