A
M
JL
DF
BC
H
K
TOP VIEW
DS30302 Rev. 3 - 2 1 of 2 MMBD4448HTM
www.diodes.com ã Diodes Incorporated
MMBD4448HTM
SURFACE MOUNT FAST SWITCHING DIODE ARRAY
Features
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) Pd350 mW
Thermal Resistance Junction to Ambient Air (Note 1) RqJA 357 °C/W
Operating and Storage Temperature Range Tj, TSTG -65 to +150 °C
Maximum Ratings @ TA= 25°C unless otherwise specified
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
Reverse 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 = 6, f = 1.0MHz
Reverse Recovery Time trr ¾4.0 ns VR = 6V, IF= 5mA
Electrical Characteristics @ TA= 25°C unless otherwise specified
·Case: SOT-26
·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
·Also Available in Lead Free Plating (Matte Tin Finish
annealed over Copper leadframe). Please see Ordering
Information, Note 5, on Page 2
·Orientation: See Diagram
·Marking: KAD (See Page 2)
·Weight: 0.016 grams (approximate)
Mechanical Data
·Fast Switching Speed
·Ultra-Small Surface Mount Package
·For General Purpose Switching Applications
·High Conductance
·Available in Lead Free/RoHS Compliant Version (Note 3)
TCUDORPWEN
Notes: 1. Device mounted on FR-5 PCB 1.0 x 0.75 x 0.062 inch, pad layout as shown on Diodes Inc. suggested pad layout AP02001, 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.
SOT-26
Dim Min Max Typ
A0.35 0.50 0.38
B1.50 1.70 1.60
C2.70 3.00 2.80
D¾¾0.95
F¾¾0.55
H2.90 3.10 3.00
J0.013 0.10 0.05
K1.00 1.30 1.10
L0.35 0.55 0.40
M0.10 0.20 0.15
a0°8°¾
All Dimensions in mm
DS30302 Rev. 3 - 2 2 of 2 MMBD4448HTM
www.diodes.com
TCUDORPWEN
10
100
1000
1
0.1
01.6
1.2
0.4 0.8
I,INSTANTANE
O
US F
O
RWARD CURRENT (mA)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
F
Fig. 1 Typical Forward Characteristics
T = 125ºC
A
T = -40ºC
A
T = 75ºC
A
T = 25ºC
A
T = 0ºC
A
Device Packaging Shipping
MMBD4448HTM-7 SOT-26 3000/Tape & Reel
Ordering Information (Note 4)
Notes: 4. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
5. For Lead Free/RoHS Compliant version part number, please add "-F" suffix to the part number above. Example: MMBD4448HTM-7-F.
Month Jan Feb March Apr May Jun Jul Aug Sep Oct Nov Dec
Code 1234567
89 OND
Date Code Key
KAD = Product Type Marking Code
YM = Date Code Marking
Y = Year ex: N = 2002
M = Month ex: 9 = September
KAD
YM
Marking Information
Year 2002 2003 2004 2005 2006 2007 2008 2009
Code NPRSTU
VW
0.1
1
10
100
1000
10000
020 40 60 80 100
V , REVERSE VOLTAGE (V)
R
Fig. 2 Typical Reverse Characteristics
I , INSTANTANE
O
US REVERSE CURRENT (nA)
R
T = -40ºC
A
T = 25ºC
A
T = 75ºC
A
T = 125ºC
A
T = 0ºC
A
0
0.5
1
2.5
2
1.5
3
01020 40
30 50
C , TOTAL CAPACITANCE (pF)
T
V , REVERSE VOLTAGE (V)
R
Fi
g
.3 T
y
pical Capacitance vs. Reverse Volta
g
e
f = 1MHz
0
50
100
150
0 25 50 75 100 125 150
P , POWER DISSIPATION (mW)
d
T , AMBIENT TEMPERATURE (°C)
A
Fi
g
. 4 Power Deratin
g
Curve
200
250
300
