DS30263 Rev. C-2 1 of 2 MMBD4448HT /HAT /HCT /HST
MMBD4448HT /HAT /HCT /HST
SURFACE MOUNT FAST SWITCHING DIODE
·Case: SOT-523, Molded Plastic
·Case Material - UL Flammability Rating
Classification 94V-0
·Terminals: Solderable per MIL-STD-202,
Method 208
·Polarity: See Diagram
·Marking: See Diagram
Mechanical Data
A
BC
G
M
L
JD
H
N
K
TOP VIEW
Features
Maximum Ratings @ TA= 25°C unless otherwise specified
Notes: 1. Device mounted on FR-4 PC board with recommended pad layout.
2. Short duration test pulse used to minimize self-heating effect.
Electrical Characteristics@ TA= 25°C unless otherwise specified
NEW PRODUCT
MMBD4448HST Marking: AB
MMBD4448HCT Marking: A7MMBD4448HAT 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 IFM 500 mA
Average Rectified Output Current 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
Junction Capacitance Cj¾3.5 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
All Dimensions in mm
DS30263 Rev. C-2 2 of 2 MMBD4448HT /HAT /HCT /HST
Ordering Information (Note 3)
Device Packaging Shipping
MMBD4448HT-7 SOT-523 3000/Tape & Reel
MMBD4448HAT-7 SOT-523 3000/Tape & Reel
MMBD4448HCT-7 SOT-523 3000/Tape & Reel
MMBD4448HST-7 SOT-523 3000/Tape & Reel
Notes: 3. For Packaging Details: go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
NEW PRODUCT
1
10
100
1000
10,000
0 100 200
I , LEAKAGE CURRENT (nA)
R
T , JUNCTION TEMPERATURE (°C)
Fig. 2 Leakage Current vs Junction Temperature
j
V = 20V
R
10
1.0
100
1000
0.1
0.01
01
2
I , INSTANTANE
O
US F
O
RWARD CURRENT (mA)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Forward Characteristics
F
Marking Information
XXYM
XX = Product Type Marking Code
YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)
Date Code Key
Year 1998 1999 2000 2001 2002 2003 2004
Code JKLM N OP
Month Jan Feb March Apr May Jun Jul Aug Sep Oct Nov Dec
Code 1234567
89 OND
