Features
Fast Switching Speed
Ultra-Small Surface Mount Package
For General Purpose Switching Applications
High Conductance
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
1N4448HWT
SURFACE MOUNT FAST SWITCHING DIODE
Mechanical Data
Case: SOD523
Case Material: Molded Plastic, "Green" Molding Compound.
UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminal Connections: Cathode Band
Terminals: Matte Tin Finish (Lead Free Plating) annealed over
Alloy 42 leadframe. Solderable per MIL-STD-202, Method 208
Weight: 0.002 grams (approximate)
SOD523
Top View
Ordering Information (Notes 4 & 5)
Part Number (Note 6) Case Packaging
1N4448HWT-7 SOD523 3000/Tape & Reel
1N4448HWT-13 SOD523 10000/Tape & Reel
Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
4. For packaging details, go to our website at http://www.diodes.com/products/packages.html
5. Product manufactured with date code 0627 (week 27, 2006) and newer are built with Green Molding Compound. Product manufactured prior to date
code 0627 are built with Non-Green Molding Compound and may contain Halogens or Sb
6. Dispensed in every other cavity of the tape.
Fire Retardants.
2O3
Marking Information
Maximum Ratings (@T
Characteristic Symbol Value Unit
Non-Repetitive Peak Reverse Voltage
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current
Average Rectified Output Current
Non-Repetitive Peak Forward Surge Current @t = 1.0μs
@t = 1.0s
Cathode Band
= +25°C, unless otherwise specified.)
A
1N4448HWT
Document number: DS30395 Rev. 10 - 2
T8
www.diodes.com
T8 = Product Type Marking Code
V
RM
V
RRM
V
RWM
V
R
V
R(RMS
I
FM
I
O
I
FSM
1 of 4
100 V
80 V
57 V
250 mA
125 mA
2.0
1.0
A
September 2013
© Diodes Incorporated
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 7)
Thermal Resistance Junction to Ambient (Note 7)
Operating and Storage Temperature Range
P
D
R
JA
T
, T
J
STG
Electrical Characteristics (@T
= +25°C, unless otherwise specified.)
A
Characteristic Symbol Min Max Unit Test Conditions
Reverse Breakdown Voltage (Note 8)
Forward Voltage
V
V
F
80
R
0.62
0.72
0.855
1.0
1.25
100
Peak Reverse Current (Note 8)
I
R
50
30
25
Total Capacitance
Reverse Recovery Time
Notes: 7. Part mounted on FR-4 board with recommended pad layout, which can be found on our website at http://www.diodes.com.
8. Short duration pulse test used to minimize self-heating effect.
200
C
T
t
rr
1000
3.0 pF
4.0 ns
150 mW
833 °C/W
-65 to +150 °C
V
IR = 100A
= 5.0mA
I
F
= 10mA
I
F
V
I
= 100mA
F
= 150mA
I
F
= 80V
V
nA
μA
μA
nA
R
V
= 75V, TJ = +150°C
R
= 25V, TJ = +150°C
V
R
V
= 20V
R
VR = 0.5V, f = 1.0MHz
= IR = 10mA,
I
F
= 0.1 x IR, RL = 100Ω
I
rr
1N4448HWT
(mW)
150
I
ISSI
100
D
50
0
125
025
50 75
T , AMBIENT TEMPERATURE ( C)
A
100
Fig. 1 Power Derating Curve
150
°
100
T = 150°C
A
T = 125°C
A
10
T = 85°C
A
T = 25°C
A
1
T = -55°C
A
F
0.1
I , INSTANTANEOUS FORWARD CURRENT (mA)
0 200 400 600 800 1000 1200 1400 1600
V , INSTANTANEOUS FORWARD VOLTAGE (mV)
F
Fig. 2 Typical Forward Characteristics
1N4448HWT
Document number: DS30395 Rev. 10 - 2
2 of 4
www.diodes.com
September 2013
© Diodes Incorporated