DIODES MMBD4448HTS, MMBD4448HT, MMBD4448HTA, MMBD4448HTC Datasheet
MMBD4448HT /HTA /HTC /HTS
A
M
J
L
D
B
C
H
K
G
TOP VIEW
C
E
B
N
TCUDORP WEN
Features
· Ultra-Small Surface Mount Package
· Fast Switching Speed
· For General Purpose Switching Applications
· High Conductance
Mechanical Data
· 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
SURFACE MOUNT FAST SWITCHING DIODE
SOT-523
Dim Min Max Typ
0.15 0.30 0.22
A
0.75 0.85 0.80
B
1.45 1.75 1.60
C
¾ ¾ 0.50
D
0.90 1.10 1.00
G
1.50 1.70 1.60
H
0.00 0.10 0.05
J
0.60 0.80 0.75
K
0.10 0.30 0.22
L
0.10 0.20 0.12
M
0.45 0.65 0.50
N
0° 8° ¾
a
All Dimensions in mm
MMBD4448HT Marking: A3
Maximum Ratings
Characteristic Symbol Value Unit
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 (Note 1)
Operating and Storage Temperature Range
Electrical Characteristics
Characteristic Symbol Min Max Unit Test Condition
Reverse Breakdown Voltage (Note 2)
Forward Voltage (Note 2)
Leakage Current (Note 2)
Total Capacitance
Reverse Recovery Time
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.
DS30263 Rev. 5 - 2 1 of 2 MMBD4448HT /HTA /HTC /HTS
MMBD4448HTA Marking: A6
@ TA = 25°C unless otherwise specified
@ TA = 25°C unless otherwise specified
V
(BR)R
MMBD4448HTC Marking: A7
V
RM
V
RRM
V
RWM
V
R
V
R(RMS)
I
FM
I
O
I
FSM
P
d
R
qJA
Tj , T
STG
80 ¾ V
0.62
V
F
I
R
C
T
t
rr
¾
¾
¾
¾
¾ 3.5 pF
¾ 4.0 ns
-65 to +150 °C
0.72
0.855
1.0
1.25
100
50
30
25
MMBD4448HTS Marking: AB
100 V
80
57 V
500 mA
250
4.0
2.0
150 mW
833 °C/W
IR = 2.5mA
IF = 5.0mA
IF = 10mA
V
IF = 100mA
IF = 150mA
nA
mA
mA
nA
VR = 70V
VR = 75V, Tj = 150°C
VR = 25V, Tj = 150°C
VR = 20V
VR = 6V, f = 1.0MHz
VR = 6V, IF = 5mA
V
mA
A
TCUDORP WEN
1
10
100
1000
10,000
0 100 200
I , LEAKAGE CURRENT (nA)
R
T , JUNCTION TEMPERATURE (°C)
j
Fig. 2 Leakage Current vs Junction Temperature
V = 20V
R
10
1.0
100
1000
0.1
0.01
0 1 2
I , INSTANTANEOUS FORWARD CURRENT (mA)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
F
Fig. 1 Forward Characteristics
XXYM
Ordering Information
Device
MMBD4448HT-7
MMBD4448HTA-7
MMBD4448HTC-7
MMBD4448HTS-7
(Note 3)
Packaging Shipping
SOT-523 3000/Tape & Reel
SOT-523 3000/Tape & Reel
SOT-523 3000/Tape & Reel
SOT-523 3000/Tape & Reel
Marking Information
XX = Product Type Marking Code (See Page 1 Diagrams)
YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)
Date Code Key
Year 2001 2002 2003 2004
Code
Month Jan Feb March Apr May Jun Jul
Code
Notes: 3. For Packaging Details: go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
1 2 3 4 5 6 7
M N P R
2005 2006 2007 2008 2009
S T U V W
Aug Sep Oct Nov Dec
8 9 O N D
DS30263 Rev. 5 - 2 2 of 2 MMBD4448HT /HTA /HTC /HTS
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