Features
Fast Switching Speed
·
Surface Mount Package Ideally Suited for
·
Automatic Insertion
For General Purpose Switching Applications
·
High Conductance
·
Mechanical Data
Case: SOT-323, Molded Plastic
·
NEW PRODUCT
Terminals: Solderable per MIL-STD-202,
·
Method 208
Polarity: See Diagram
·
Marking: KA1
·
Weight: 0.006 grams (approx.)
·
E
MMBD4448HW
SURFACE MOUNT SWITCHING DIODE
SOT-323
Dim Min Max
TOP VIEW
G
H
A
B
C
D
K
J
L
A 0.30 0.40
B 1.15 1.35
C 2.00 2.20
D 0.65 Nominal
E 0.30 0.40
G 1.20 1.40
H 1.80 2.20
J 0.0 0.10
K 0.90 1.00
M
L 0.25 0.40
M 0.10 0.25
All Dimensions in mm
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 VI
0.62
¾
¾
¾
¾
¾ 3.5 pF
¾ 4.0 ns
0.72
0.855
1.0
1.25
100
100 V
80
57 V
500 mA
250
4.0
2.0
200 mW
625 °C/W
-65 to +150 °C
50
30
25
nA
mA
mA
nA
V
mA
A
= 2.5mA
R
= 5.0mA
I
F
I
= 10mA
V
F
I
= 100mA
F
I
= 150mA
F
= 70V
V
R
= 75V, Tj= 150°C
V
R
= 25V, Tj= 150°C
V
R
V
= 20V
R
= 6V, f = 1.0MHz
V
R
= 6V, IF= 5mA
V
R
Notes: 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 1 of 2 MMBD4448HW
1000
10,000
100
10
WARD CURRENT (mA)
R
1.0
NEW PRODUCT
US F
0.1
F
0.01
I , INSTANTANE
1000
100
10
R
I , LEAKAGE CURRENT (nA)
1
012
V , INSTANTANEOUS FORWARD VOLTAGE (V)
F
Fig. 1 Forward Characteristics
0 100 200
T , JUNCTION TEMPERATURE (°C)
Fig. 2 Leakage Current vs Junction Temperature
V = 20V
R
j
DS30228 Rev. A-2 2 of 2 MMBD4448HW