Lead-free
MMBD4448HT /HTA /HTC
/HTS
SURFACE MOUNT FAST SWITCHING DIODE
SOT-523
A
Features
·
·
·
·
·
Ultra-Small Surface Mount Package
Fast Switching Speed
For General Purpose Switching Applications
High Conductance
Lead Free/RoHS Compliant (Note 3)
Case: SOT-523
Case Material: Molded Plastic. UL Flammability
Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020C
Terminals: Solderable per MIL-STD-202, Method 208
Lead Free Plating (Matte Tin Finish annealed over Alloy 42
leadframe).
Polarity: See Diagrams Below
Marking: See Diagrams Below & Page 3
Weight: 0.002 grams (approx.)
Ordering Information, see Sheet 2
J
D
L
K
TOP VIEW
B C
Dim
A
B
C
D
G
H
N
M
Min
0.15
0.75
1.45
¾
0.90
1.50
0.00
0.60
0.10
0.10
0.45
0°
Max
0.30
0.85
1.75
¾
1.10
1.70
0.10
0.80
0.30
0.20
0.65
8°
Typ
0.22
0.80
1.60
0.50
1.00
1.60
0.05
0.75
0.22
0.12
0.50
¾
Mechanical Data
·
·
·
·
·
·
·
·
·
G
H
J
K
L
M
N
a
All Dimensions in mm
MMBD4448HT Marking: A3
MMBD4448HTA Marking: A6
MMBD4448HTC Marking: A7
MMBD4448HTS Marking: AB
Maximum Ratings
@ T
A
= 25°C unless otherwise specified
Characteristic
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
Symbol
V
RM
V
RRM
V
RWM
V
R
V
R(RMS)
I
FM
I
O
I
FSM
P
d
R
qJA
T
j
, T
STG
Value
100
80
57
500
250
4.0
2.0
150
833
-65 to +150
Unit
V
V
V
mA
mA
A
mW
°C/W
°C
Electrical Characteristics
@ T
A
= 25°C unless otherwise specified
Characteristic
Reverse Breakdown Voltage (Note 2)
Forward Voltage
Symbol
V
(BR)R
V
F
Min
80
0.62
¾
¾
¾
¾
¾
¾
Max
¾
0.72
0.855
1.0
1.25
100
50
30
25
3.5
4.0
Unit
V
V
nA
mA
mA
nA
pF
ns
Test Condition
I
R
= 2.5mA
I
F
= 5.0mA
I
F
= 10mA
I
F
= 100mA
I
F
= 150mA
V
R
= 70V
V
R
= 75V, T
j
= 150°C
V
R
= 25V, T
j
= 150°C
V
R
= 20V
V
R
= 6V, f = 1.0MHz
V
R
= 6V, I
F
= 5mA
Leakage Current (Note 2)
Total Capacitance
Reverse Recovery Time
I
R
C
T
t
rr
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.
3. No purposefully added lead
DS30263 Rev. 9 - 2
1 of 3
www.diodes.com
MMBD4448HT /HTA /HTC /HTS
ã
Diodes Incorporated
I
F
, INSTANTANEOUS FORWARD CURRENT (mA)
I
R
, INSTANTANEOUS REVERSE CURRENT (nA)
1000
10000
T
A
= 125ºC
1000
100
T
A
= 75ºC
100
10
T
A
= -40ºC
T
A
= 0ºC
10
T
A
= 25ºC
1
T
A
= 25ºC
T
A
= 75ºC
T
A
= 125ºC
1
T
A
= 0ºC
T
A
= -40ºC
0.1
0
0.4
0.8
1.2
1.6
V
F
, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Typical Forward Characteristics
3
f = 1MHz
0.1
0
20
40
60
80
100
V
R
, REVERSE VOLTAGE (V)
Fig. 2 Typical Reverse Characteristics
250
C
T
, TOTAL CAPACITANCE (pF)
2.5
2
P
d
, POWER DISSIPATION (mW)
0
10
20
30
40
50
200
150
1.5
100
1
0.5
50
0
0
0
40
80
120
160
200
T
A
, AMBIENT TEMPERATURE (
°
C)
Fig. 4 Power Derating Curve, Total Package
V
R
, REVERSE VOLTAGE (V)
Fig. 3 Typical Capacitance vs. Reverse Voltage
DS30263 Rev. 9 - 2
2 of 3
www.diodes.com
MMBD4448HT /HTA /HTC /HTS
Ordering Information
(Note 4)
Device
MMBD4448HT-7-F
MMBD4448HTA-7-F
MMBD4448HTC-7-F
MMBD4448HTS-7-F
Notes:
Packaging
SOT-523
SOT-523
SOT-523
SOT-523
Shipping
3000/Tape & Reel
3000/Tape & Reel
3000/Tape & Reel
3000/Tape & Reel
4. For Packaging Details: go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
XXYM
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
Code
Month
Code
2001
M
Jan
1
2002
N
Feb
2
2003
P
March
3
2004
R
Apr
4
2005
S
May
5
2006
T
Jun
6
2007
U
Jul
7
2008
V
Aug
8
2009
W
Sep
9
2010
X
Oct
O
2011
Y
Nov
N
2012
Z
Dec
D
IMPORTANT NOTICE
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further
notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product described herein; neither
does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall assume all risks of such use and will
agree to hold Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages.
LIFE SUPPORT
Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the
President of Diodes Incorporated.
DS30263 Rev. 9 - 2
3 of 3
www.diodes.com
MMBD4448HT /HTA /HTC /HTS
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