DS30263 Rev. 5 - 2 1 of 2 MMBD4448HT /HTA /HTC /HTS
MMBD4448HT /HTA /HTC /HTS
SURFACE MOUNT FAST SWITCHING DIODE
·Case: SOT-523, Molded Plastic
·Case Material - UL Flammability Rating
Classification 94V-0
·Moisture sensitivity: Level 1 per J-STD-020A
·Terminals: Solderable per MIL-STD-202,
Method 208
·Polarity: See Diagrams Below
·Marking: See Diagrams Below & Page 2
Mechanical Data
Features
Maximum Ratings @ TA = 25°C unless otherwise specified
Notes: 1. Device mounted on FR-4 PC 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.
Electrical Characteristics
@ TA = 25°C unless otherwise specified
TCUDORP WEN
MMBD4448HTS Marking: AB
MMBD4448HTC Marking: A7
MMBD4448HTA Marking: A6
MMBD4448HT Marking: A3
·Ultra-Small Surface Mount Package
·Fast Switching Speed
·For General Purpose Switching Applications
·High Conductance
Characteristic Symbol Value Unit
Non-Repetitive Peak Reverse Voltage VRM 100 V
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
80 V
RMS Reverse Voltage VR(RMS) 57 V
Forward Continuous Current (Note 1) IFM 500 mA
Average Rectified Output Current (Note 1) IO250 mA
Non-Repetitive Peak Forward Surge Current @ t = 1.0ms
@ t = 1.0s IFSM 4.0
2.0 A
Power Dissipation (Note 1) Pd150 mW
Thermal Resistance Junction to Ambient (Note 1) RqJA 833 °C/W
Operating and Storage Temperature Range Tj , TSTG -65 to +150 °C
Characteristic Symbol Min Max Unit Test Condition
Reverse Breakdown Voltage (Note 2) V(BR)R 80 ¾VIR = 2.5mA
Forward Voltage (Note 2) VF
0.62
¾
¾
¾
0.72
0.855
1.0
1.25
V
IF = 5.0mA
IF = 10mA
IF = 100mA
IF = 150mA
Leakage Current (Note 2) IR¾
100
50
30
25
nA
mA
mA
nA
VR = 70V
VR = 75V, Tj = 150°C
VR = 25V, Tj = 150°C
VR = 20V
Total Capacitance CT¾3.5 pF VR = 6V, f = 1.0MHz
Reverse Recovery Time trr ¾4.0 ns VR = 6V, IF = 5mA
SOT-523
Dim Min Max Typ
A0.15 0.30 0.22
B0.75 0.85 0.80
C1.45 1.75 1.60
D¾ ¾ 0.50
G0.90 1.10 1.00
H1.50 1.70 1.60
J0.00 0.10 0.05
K0.60 0.80 0.75
L0.10 0.30 0.22
M0.10 0.20 0.12
N0.45 0.65 0.50
a0°8° ¾
All Dimensions in mm