MMBD4448HTA
SURFACE MOUNT
FAST SWITCHING DIODE
FEATURES
REVERSE VOLTAGE – 80 Volts
FORWARD CURRENT – 0.25 Ampere
SOT-523
SOT-523
Dim.
A
A1
b
c
D
E
E1
e
e1
L
Min.
Max.
•
Fast switching speed
•
Ideally suited for automatic insertion
•
For general purpose switching applications
MECHANICAL DATA
•
Case: SOT-523 Plastic
•
Case material: “Green” molding compound, UL
flammability classification 94V-0, (No Br. Sb. CI)
•
Moisture sensitivity: Level 1 per J-STD-020D
•
Lead free in RoHS 2002/95/EC compliant
0.70
0.90
0.00
0.10
0.25
0.325
0.10
0.20
1.50
1.70
1.45
1.75
0.75
0.85
0.50 Typ.
0.90
1.10
0.55 Ref.
Dimensions in millimeter
Maximum Ratings & Thermal Characteristics
@ T
A
= 25℃ unless otherwise specified
Characteristic
Non-Repetitive Peak Reverse Voltage
Repetitive Peak Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current
Average Rectified Output Current
Non-Repetitive Peak Forward Current
Power Dissipation
Thermal Resistance Junction to Ambient
Operating Temperature Range
Storage Temperature Range
@t=1us
@t=1s
Symbol
V
RM
V
RRM
V
RWM
V
R
V
R(RMS)
I
FM
I
O
I
FSM
P
D
R
Θ
JA
T
J
T
STG
MMBD4448HTA
100
80
57
500
250
4
1.5
150
833
150
-65~+150
Units
V
V
V
mA
mA
A
mW
℃
/W
℃
℃
Electrical Characteristics
@
T
A
= 25℃ unless otherwise specified
Characteristic
Reverse Breakdown Voltage
Maximum Forward Voltage
Maximum DC Reverse Current
at Rated DC Blocking Voltage
Typical Diode Capacitance
Reverse Recovery time
Test Condition
I
R
= 100uA
I
F
= 5mA
I
F
= 10mA
I
F
= 100mA
I
F
= 150mA
V
R
= 70V
V
R
= 20V
V
R
=6V,f=1MHz
V
R
=6V, I
F
=5mA
Symbol
V
BR
V
F
Min.
80
620
--
--
--
--
--
--
--
Typ.
--
--
--
--
--
--
--
--
--
Max.
--
720
855
1000
1250
100
25
3.5
4
Unit
V
mV
I
R
C
D
trr
nA
pF
ns
REV. 2, Jul-2012, KSYR75
RATING AND CHARACTERISTIC CURVES
MMBD4448HTA
Fig.1 Typical Forward Characteristics
Fig.2 Typical Reverse Characteristics
Fig.3 Total Capacitance vs. Reverse Voltage
Fig.4 Power Derating Curve
Fig.5 Reverse Recovery Time vs. Forward Current
MMBD4448HTA
Important Notice and Disclaimer
LSC reserves the right to make changes to this document and its products and specifications
at any time without notice. Customers should obtain and confirm the latest product
information and specifications before final design, purchase or use.
LSC makes no warranty, representation or guarantee regarding the suitability of its products
for any particular purpose, nor does LSC assume any liability for application assistance or
customer product design. LSC does not warrant or accept any liability with products which
are purchased or used for any unintended or unauthorized application.
No license is granted by implication or otherwise under any intellectual property rights of
LSC.
LSC products are not authorized for use as critical components in life support devices or
systems without express written approval of LSC.
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