MMBD4448 SWITCHING DIODE Datasheet

MMBD4448 Datasheet, PDF, Equivalent


Part Number

MMBD4448

Description

SURFACE MOUNT SWITCHING DIODE

Manufacture

Diodes Incorporated

Total Page 4 Pages
Datasheet
Download MMBD4448 Datasheet


MMBD4448
Features
Fast Switching Speed
Surface Mount Package Ideally Suited for Automated Insertion
For General Purpose Switching Applications
High Conductance
Lead, Halogen and Antimony Free, RoHS Compliant
"Green' Device (Notes 1 and 2)
MMBD4448
SURFACE MOUNT SWITCHING DIODE
Mechanical Data
Case: SOT-23
Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: Matte Tin Finish annealed over Alloy 42 leadframe
(Lead Free Plating). Solderable per MIL-STD-202, Method 208
Polarity: See Diagram
Weight: 0.008 grams (approximate)
SOT-23
Top View
Top View
Internal Schematic
Ordering Information (Note 3)
Notes:
Part Number
MMBD4448-7-F
Case
SOT-23
Packaging
3000/Tape & Reel
1. No purposefully added lead. Halogen and Antimony Free.
2. Product manufactured with Date Code V9(week 34, 2008) and newer are built with Green Molding Compound. Product manufactured prior to Date Code
V9 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
3. For packaging details, go to our website at http://www.diodes.com.
Marking Information
KA3
KA3 = Product Type Marking Code
YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)
Date Code Key
Year 1999
Code
K
2000
L
2001
M
2002
N
2003
P
2004
R
2005
S
2006
T
2007
U
2008
V
2009
W
2010
X
2011
Y
2012
Z
2013
A
2014
B
2015
C
Month
Code
Jan
1
Feb Mar
23
Apr May Jun
456
Jul Aug Sep
78
9
Oct Nov Dec
OND
MMBD4448
Document number: DS12011 Rev. 17 - 2
1 of 4
www.diodes.com
February 2011
© Diodes Incorporated

MMBD4448
MMBD4448
Maximum Ratings @TA = 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 4)
Average Rectified Output Current (Note 4)
Non-Repetitive Peak Forward Surge Current
@ t = 1.0μs
@ t = 1.0s
Symbol
VRM
VRRM
VRWM
VR
VR(RMS)
IFM
IO
IFSM
Value
100
75
53
500
250
4.0
1.0
Unit
V
V
V
mA
mA
A
Thermal Characteristics
Characteristic
Power Dissipation (Note 4)
Thermal Resistance Junction to Ambient Air (Note 4)
Operating and Storage Temperature Range
Symbol
PD
RθJA
TJ , TSTG
Value
350
357
-65 to +150
Unit
mW
°C/W
°C
Electrical Characteristics @TA = 25°C unless otherwise specified
Characteristic
Reverse Breakdown Voltage (Note 5)
Forward Voltage
Reverse Current (Note 5)
Total Capacitance
Reverse Recovery Time
Symbol
V(BR)R
VF
Min
75
0.62
IR
CT
trr
Max
0.72
0.855
1.0
1.25
2.5
50
30
25
4.0
4.0
Unit
V
V
μA
μA
μA
nA
pF
ns
Test Condition
IR = 2.5μA
IF = 5.0mA
IF = 10mA
IF = 100mA
IF = 150mA
VR = 75V
VR = 75V, TJ = 150°C
VR = 25V, TJ = 150°C
VR = 20V
VR = 0, f = 1.0MHz
IF = IR = 10mA,
Irr = 0.1 x IR, RL = 100Ω
Notes: 4. Part mounted on FR-4 board with recommended pad layout, which can be found on our website at http://www.diodes.com.
5. Short duration pulse test used to minimize self-heating effect.
500 1,000
400
Note 4
100
300
10
200
100 1
0
0 40 80 120 160 200
TA, AMBIENT TEMPERATURE (°C)
Fig. 1 Power Derating Curve
0.1
0
0.4 0.8 1.2 1.6
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
MMBD4448
Document number: DS12011 Rev. 17 - 2
2 of 4
www.diodes.com
February 2011
© Diodes Incorporated


Features Features • Fast Switching Speed • Su rface Mount Package Ideally Suited for Automated Insertion • For General Pur pose Switching Applications • High Co nductance • Lead, Halogen and Antimon y Free, RoHS Compliant • "Green' Devi ce (Notes 1 and 2) MMBD4448 SURFACE MO UNT SWITCHING DIODE Mechanical Data • Case: SOT-23 • Case Material: Molded Plastic. UL Flammability Classificatio n Rating 94V-0 • Moisture Sensitivity : Level 1 per J-STD-020 • Terminals: Matte Tin Finish annealed over Alloy 42 leadframe (Lead Free Plating). Soldera ble per MIL-STD-202, Method 208 • Pol arity: See Diagram • Weight: 0.008 gr ams (approximate) SOT-23 Top View To p View Internal Schematic Ordering Inf ormation (Note 3) Notes: Part Number MMBD4448-7-F Case SOT-23 Packaging 30 00/Tape & Reel 1. No purposefully adde d lead. Halogen and Antimony Free. 2. P roduct manufactured with Date Code V9(w eek 34, 2008) and newer are built with Green Molding Compound. Product manufactured prior to Date Code V9 are built with Non-G.
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