DS12002 Rev. 11 - 2 1 of 3 1N4448W
www.diodes.com ãDiodes Incorporated
1N4448W
FAST SWITCHING SURFACE MOUNT DIODE
·Case: SOD-123
·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, on Page 3
·Polarity: Cathode Band
·Marking: Date Code and Type Code: See Page 3
·Type Code: T5
·Ordering Information See Page 3
·Weight: 0.01 grams (approx.)
Mechanical Data
A
B
C
D
E
G
H
J
Features
Characteristic Symbol 1N4448W Unit
Non-Repetitive Peak Reverse Voltage VRM 100 V
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
75 V
RMS Reverse Voltage VR(RMS) 53 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 2) Pd400 mW
Thermal Resistance Junction to Ambient Air (Note 2) RqJA 315 °C/W
Operating and Storage Temperature Range Tj,T
STG -65 to +150 °C
Maximum Ratings @ TA= 25°C unless otherwise specified
Characteristic Symbol Min Max Unit Test Condition
Reverse Breakdown Voltage (Note 1) V(BR)R 75 ¾VIR= 10mA
Forward Voltage (Note 1) VFM
0.62
¾
¾
¾
0.72
0.855
1.0
1.25
V
IF= 5.0mA
IF= 10mA
IF= 100mA
IF= 150mA
Peak Reverse Current (Note 1) IRM ¾
2.5
50
30
25
mA
mA
mA
nA
VR= 75V
VR= 75V, Tj= 150°C
VR= 25V, Tj= 150°C
VR= 20V
Total Capacitance CT¾4.0 pF VR= 0, f = 1.0MHz
Reverse Recovery Time trr ¾4.0 ns IF= IR= 10mA,
Irr = 0.1 x IR,R
L= 100W
Electrical Characteristics @ TA= 25°C unless otherwise specified
·Fast Switching Speed
·Surface Mount Package Ideally Suited for Automatic Insertion
·For General Purpose Switching Applications
·High Conductance
·Available in Lead Free/RoHS Compliant Version (Note 3)
Notes: 1. Short duration pulse test used to minimize self-heating effect.
2. Part mounted on FR-4 PC board with minimum recommended pad layout, which can be found on our website at http://www/diodes.com/datasheets/ap02001.pdf.
3. No purposefully added lead.
SOD-123
Dim Min Max
A3.55 3.85
B2.55 2.85
C1.40 1.70
D— 1.35
E0.45 0.65
0.55 Typical
G0.25 —
H0.11 Typical
J— 0.10
a0°8°
All Dimensions in mm
SPICE MODEL: 1N4448W
DS12002 Rev. 11 - 2 2 of 3 1N4448W
www.diodes.com
10
100
1
0.1
0 1000
800
200 400 600
I,F
O
RWARD CURRENT (mA)
F
V , FORWARD VOLTAGE (mV)
Fig. 2 Typical Forward Characteristics
F
Ta = -30 C°
Ta = 50 C°
Ta = 0 C°
Ta = 85 C°
Ta = 25 C°
025
50 75 100 125 150
P , POWER DISSIPATION (mW)
d
T , AMBIENT TEMPERATURE ( C)
Fi
g
. 1 Power Deratin
g
Curve
A
°
0
200
400
5
00
100
300
04
68
210
I , FORWARD CURRENT (mA)
Fig. 4 Reverse Recovery Time vs.
Forward Current
F
t , REVERSE RECOVERY TIME (nS)
rr
0
0.5
1.0
1.5
2.0
2
.5
0.10
1.0
10.0
0.01
0.001
020 40 60 80
V , REVERSE VOLTAGE (V)
Fig. 3 Typical Reverse Characteristics
R
Ta = 100 C°
Ta = 0 C°
Ta = 75 C°
Ta = 50 C°
Ta = 25 C°
Ta = -30 C°
04
3
25
16
V , REVERSE VOLTAGE (V)
Fig. 5 Total Capacitance vs.
Reverse Volta
g
e
R
C , TOTAL CAPACITANCE (pF)
T
0
1
2
3
4
f=1MHz
DS12002 Rev. 11 - 2 3 of 3 1N4448W
www.diodes.com
Month Jan Feb March Apr May Jun Jul Aug Sep Oct Nov Dec
Code 1234567
89 OND
Date Code Key
Marking Information
T5
YM
T5 = Product Type Marking Code
YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)
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: 1N4448W-7-F.
Device Packaging Shipping
1N4448W-7 SOD-123 3000/Tape & Reel
Ordering Information (Note 4)
Year 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
Code JKLMNPR
ST U VW