Diodes 1N4148WSF User Manual
SURFACE MOUNT FAST SWITCHING DIODE
Features
Fast Switching Speed
Low Forward Voltage: Maximum of 0.715V at 1mA
Fast Reverse Recovery: Maximum of 4ns
Low Capacitance: Maximum of 1.5pF
Low Leakage Current: Maximum of 500nA at 80V
Small Surface Mount Package
Thermally Efficient Copper Alloy leadframe for High Power
Dissipation
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Mechanical Data
Case: SOD323F
Case Material: Molded Plastic, “Green” Molding Compound. UL
Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: Matte Tin Finish annealed over Copper Alloy leadframe
(Lead Free Plating). Solderable per MIL-STD-202, Method 208
Weight: 0.003 grams (approximate)
NEW PRODUCT
SOD323F
Top View
1N4148WSF
Ordering Information (Note 4)
Product Compliance Marking Reel Size (inches) Tape Width (mm) Quantity per Reel
1N4148WSF-7 Standard JP 7 8 3,000/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.
Marking Information
Date Code Key
Year 2013 2014 2015 2016 2017 2018 2019 2020
Code A B C D E F G H
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Code 1 2 3 4 5 6 7 8 9 O N D
JP
YM
1N4148WSF
Document number: DS36010 Rev. 4 - 2
JP = Product Type Marking Code
YM = Date Code Marking
Y = Year (ex: A = 2013)
M = Month (ex: 9 = September)
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September 2013
© Diodes Incorporated
Maximum Ratings (@T
= +25°C, unless otherwise specified.)
A
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 (Note 5)
Non-Repetitive Peak Forward Surge Current
Thermal Characteristics
NEW PRODUCT
Power Dissipation (Note 5)
Thermal Resistance Junction to Ambient Air (Note 5)
Operating and Storage Temperature Range
Characteristic Symbol Value Unit
@ t = 1.0µs
@ t = 1.0ms
@ t = 1.0s
V
V
V
V
R(RMS)
I
R
, T
T
J
RM
RRM
RWM
V
I
FM
FSM
P
θJA
R
D
STG
1N4148WSF
100 V
100 V
71 V
250 mA
4.0
1.0
A
0.5
400 mW
313 °C/W
-55 to +150 °C
Electrical Characteristics (@T
= +25°C, unless otherwise specified.)
A
Characteristic Symbol Min Max Unit Test Condition
Reverse Breakdown Voltage (Note 6)
Forward Voltage
Leakage Current (Note 6)
Total Capacitance
Reverse Recovery Time
Notes: 5. Device mounted on FR-4 PCB, on minimum recommended, 2oz copper pad layout.
6. Short duration pulse test used to minimize self-heating effect.
1N4148WSF
Document number: DS36010 Rev. 4 - 2
V
(BR)R
V
F
I
R
C
T
t
rr
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100
V
0.715
0.855
1.0
V
1.25
0.5
50
30
30
µA
µA
µA
nA
1.5 pF
4.0 ns
IR = 100µA
I
= 1.0mA
F
= 10mA
I
F
I
= 50mA
F
= 150mA
I
F
= 80V
V
R
V
= 80V, TJ = +150°C
R
= 25V, TJ = +150°C
V
R
V
= 25V
R
VR = 0, f = 1.0MHz
= IR = 10mA,
I
F
I
= 0.1 x IR, RL = 100
rr
September 2013
© Diodes Incorporated
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