DS30263 Rev. 7 - 2 1 of 3 MMBD4448HT /HTA /HTC /HTS
www.diodes.com ã Diodes Incorporated
MMBD4448HT /HTA /HTC
/HTS
SURFACE MOUNT FAST SWITCHING DIODE
·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
·Also available in Lead Free Plating (Matte Tin Finish annealed
over Alloy 42 leadframe). Please see Ordering Information,
Note 5, Page 3
·Polarity: See Diagrams Below
·Marking: See Diagrams Below & Page 3
·Weight: 0.002 grams (approx.)
Mechanical Data
A
M
JL
D
BC
H
K
G
TOP VIEW
N
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.
3. No purposefully added lead
Electrical Characteristics@ TA= 25°C unless otherwise specified
TCUDORPWEN
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
·Available in Lead Free/RoHS Compliant Version (Note 3)
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,T
STG -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
D¾¾0.50
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
SPICE MODELS: MMBD4448HT MMBD4448HTA MMBD4448HTC MMBD4448HTS
DS30263 Rev. 7 - 2 2 of 3 MMBD4448HT /HTA /HTC /HTS
www.diodes.com
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
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
200
250
0 100 200
P,P
O
WER DISSIPATI
O
N (mW)
d
T , AMBIENT TEMPERATURE (°C)
A
Fig. 4 Power Derating Curve, Total Package
TCUDORPWEN
DS30263 Rev. 7 - 2 3 of 3 MMBD4448HT /HTA /HTC /HTS
www.diodes.com
Ordering Information (Note 4)
Device Packaging Shipping
MMBD4448HT-7 SOT-523 3000/Tape & Reel
MMBD4448HTA-7 SOT-523 3000/Tape & Reel
MMBD4448HTC-7 SOT-523 3000/Tape & Reel
MMBD4448HTS-7 SOT-523 3000/Tape & Reel
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: MMBD4448HT-7-F
TCUDORPWEN
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
Month Jan Feb March Apr May Jun Jul Aug Sep Oct Nov Dec
Code 1234567
89 OND
Year 2001 2002 2003 2004 2005 2006 2007 2008 2009
Code MNPR
STUVW