1N4148WS
www.vishay.com
Vishay Semiconductors
Small Signal Fast Switching Diode
FEATURES
• Silicon epitaxial planar diode
• Fast switching diodes
• AEC-Q101 qualified
• Base P/N-E3 - RoHS-compliant, commercial
grade
• Base P/N-HE3 - RoHS-compliant, AEC-Q101
qualified
MARKING (example only)
XY
• Material categorization: For definitions of compliance
please see www.vishay.com/doc?99912 
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22610
Bar = cathode marking
XY = type code
MECHANICAL DATA
Case: SOD-323
Weight: approx. 4.3 mg
Packaging codes/options:
18/10K per 13" reel (8 mm tape), 10K/box
08/3K per 7" reel (8 mm tape), 15K/box
PARTS TABLE
PART
1N4148WS
ORDERING CODE
INTERNAL CONSTRUCTION
TYPE MARKING
REMARKS
Single diode
A2
Tape and reel
1N4148WS-E3-08 or 1N4148WS-E3-18
1N4148WS-HE3-08 or 1N4148WS-HE3-18
ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
SYMBOL
VALUE
VR
75
VRRM
100
f  50 Hz
IF(AV)
150
t < 1 s and Tj = 25 °C
IFSM
350
Ptot
200
mW
SYMBOL
VALUE
UNIT
RthJA
650
K/W
Tj
150
°C
Storage temperature range
Tstg
- 65 to + 150
°C
Operating temperature range
Top
- 55 to + 150
°C
Reverse voltage
Repetitive peak reverse voltage
Average rectified current half wave
rectification with resistive load (1)
Surge forward current
Power dissipation (1)
UNIT
V
mA
Note
(1) Valid provided that electrodes are kept at ambient temperature.
THERMAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
Thermal resistance junction to ambient air (1)
Junction temperature
Note
(1) Valid provided that electrodes are kept at ambient temperature
Rev. 2.0, 14-May-13
Document Number: 85751
1
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
1N4148WS
www.vishay.com
Vishay Semiconductors
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
SYMBOL
MAX.
UNIT
IF = 10 mA
VF
1
V
IF = 100 mA
VF
1.2
V
VR = 20 V
IR
25
nA
Forward voltage
VR = 75 V
IR
5
IR
100
VR = 20 V, Tj = 150 °C
IR
50
Diode capacitance
Reverse recovery time
TYP.
VR = 100 V
Leakage current
Voltage rise when switching ON
MIN.
μA
VF = VR = 0 V
CD
4
pF
Tested with 50 mA pulses,
tp = 0.1 μs, rise time < 30 ns,
fp = (5 to 100) kHz
Vfr
2.5
V
IF = 10 mA, iR = 1 mA, VR = 6 V,
RL = 100 
trr
4
ns
TYPICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
250
Ptot - Power Dissipation (mW)
103
102
Tj = 100 °C
Tj = 25 °C
IF (mA)
10
1
10-1
200
150
100
50
10-2
0
1
0
Fig. 1 - Forward Characteristics
50
100
150
200
Tamb - Ambient Temperature (°C)
20324
VF (V)
17437
0
2
Fig. 3 - Admissible Power Dissipation vs. Ambient Temperature
104
Tj = 25 °C
5
2
10
f = 1 MHz
3
1.0
CD (VR)
2
102
5
CD (0 V)
5
Rf (Ω)
Tj = 25 °C
1.1
f = 1 kHz
2
0.9
0.8
10
5
0.7
2
10-2
10-1
17438
1
10
102
IF (mA)
Fig. 2 - Dynamic Forward Resistance vs. Forward Current
Rev. 2.0, 14-May-13
0
17440
2
4
6
8
10
VR (V)
Fig. 4 - Relative Capacitance vs. Reverse Voltage
Document Number: 85751
2
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
1N4148WS
www.vishay.com
Vishay Semiconductors
104
5
2
103
IR (nA)
5
2
102
5
2
10
5
VR = 20 V
2
1
100
0
17441
200
Tj (°C)
Fig. 5 - Leakage Current vs. Junction Temperature
100
5
4
3
2
I
IFRM (A)
1
T = 1/fP
IFRM
10
5
4
3
2
n = tP/T
tP
n=0
t
T
0.1
0.2
0.5
5
4
3
2
0.1
10-5
17442
2
5
10-4
2
5
10-3
2
5
10-2
2
5
10-1
2
5
1
2
5
10
tP (s)
Fig. 6 - Admissible Repetitive Peak Forward Current vs. Pulse Duration
Rev. 2.0, 14-May-13
Document Number: 85751
3
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
1N4148WS
www.vishay.com
Vishay Semiconductors
0.1 (0.004) max.
0° to 8
°
0.15 (0.006)
0.10 (0.004)
0.2 (0.008)
0.8 (0.031)
1.15 (0.045)
PACKAGE DIMENSIONS in millimeters (inches): SOD-323
0.40 (0.016)
0.25 (0.010)
1.95 (0.077)
1.60 (0.063)
2.50 (0.098)
1.1 (0.043)
2.85 (0.112)
1.5 (0.059)
0.40 (0.016)
0.20 (0.008)
Cathode bar
Foot print recommendation:
Document no.:S8-V-3910.02-001 (4)
Created - Date: 24.August.2004
Rev. 5 - Date: 23.Sept.2009
17443
Rev. 2.0, 14-May-13
1.6 (0.063)
0.6 (0.024)
0.6 (0.024)
0.6 (0.024)
Document Number: 85751
4
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
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RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
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“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
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the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
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requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular
product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
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including but not limited to the warranty expressed therein.
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Material Category Policy
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free
requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference
to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21
conform to JEDEC JS709A standards.
Revision: 02-Oct-12
1
Document Number: 91000