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
·
NEW PRODUCT
Terminals: Solderable per MIL-STD-202,
·
Method 208
Polarity: See Diagram
·
Marking: KA3
·
Weight: 0.008 grams (approx.)
·
E
MMBD4448H
SURFACE MOUNT SWITCHING DIODE
SOT-23
Dim Min Max
A
B
C
D
E
G
H
M
J
K
L
M
All Dimensions in mm
0.37 0.51
1.19 1.40
2.10 2.50
0.89 1.05
0.45 0.61
1.78 2.05
2.65 3.05
0.013 0.15
0.89 1.10
0.45 0.61
0.076 0.178
TOP VIEW
G
H
A
B
C
D
K
J
L
Maximum Ratings
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
Power Dissipation (Note 1)
Thermal Resistance Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
Electrical Characteristics
Reverse Breakdown Voltage (Note 2)
Forward Voltage (Note 2)
Peak Reverse Current (Note 2)
Junction Capacitance
Reverse Recovery Time
@ TA= 25°C unless otherwise specified
Characteristic Symbol MMBD4448H Unit
@ t = 1.0s
@ TA= 25°C unless otherwise specified
Characteristic Symbol Min Max Unit Test Condition
V
(BR)R
V
FM
I
RM
C
t
rr
j
V
RM
V
RRM
V
RWM
V
R
V
R(RMS)
I
FM
I
O
I
FSM
P
d
R
qJA
T
j,TSTG
80 ¾ V
0.62
¾
¾
¾
¾
¾ 3.5 pF
¾ 4.0 ns
100 V
80
57 V
500 mA
250
4.0
2.0
350 mW
357 K/W
-65 to +150 °C
= 2.5mA
I
R
= 5.0mA
0.72
0.855
1.0
1.25
100
50
30
25
nA
mA
mA
nA
I
F
I
= 10mA
V
F
I
= 100mA
F
I
= 150mA
F
V
R
V
R
V
R
V
R
V
R
V
R
V
mA
A
= 70V
= 75V, Tj= 150°C
= 25V, Tj= 150°C
= 20V
= 6V, f = 1.0MHz
= 6V, IF= 5mA
Notes: 1. Valid provided that terminals are kept at ambient temperature.
2. tp <300ms, duty cycle <2%.
DS30176 Rev. B-1 1 of 2 MMBD4448H
1000
10,000
100
10
WARD CURRENT (mA)
R
1.0
US F
NEW PRODUCT
0.1
F
0.01
I , INSTANTANE
012
V , INSTANTANEOUS FORWARD VOLTAGE (V)
F
Fig. 1 Forward Characteristics
R
I , LEAKAGE CURRENT (nA)
1000
100
10
1
0 100 200
T , JUNCTION TEMPERATURE (°C)
j
Fig. 2 Leakage Current vs Junction Temperature
V = 20V
R
DS30176 Rev. B-1 2 of 2 MMBD4448H