1N4148WS-V
www.vishay.com Vishay Semiconductors
Rev. 1.9, 23-Mar-12 1Document Number: 85751
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
Small Signal Fast Switching Diode
MARKING (example only)
Bar = cathode marking
XY = type code
MECHANICAL DATA
Case: SOD-323
Weight: approx. 4.3 mg
Packaging codes/options:
GS18/10K per 13" reel (8 mm tape), 10K/box
GS08/3K per 7" reel (8 mm tape) , 15K/box
FEATURES
• These diodes are also available in other case
styles including the DO-35 case with the type
designation 1N4148, the MiniMELF case with
the type designation LL4148, and the SOT-23
case with the type designation IMBD4148-V
• Silicon epitaxial planar diode
• Fast switching diodes
• AEC-Q101 qualified
• Material categorization: For definitions of compliance
please see www.vishay.com/doc?99912
Note
(1) Valid provided that electrodes are kept at ambient temperature.
12
1 = Cathode
2 = Anode
22611
X
Y
22610
PARTS TABLE
PART ORDERING CODE TYPE MARKING INTERNAL CONSTRUCTION REMARKS
1N4148WS-V 1N4148WS-V-GS18 or 1N4148WS-V-GS08 A2 Single diode Tape and reel
ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)
PARAMETER TEST CONDITION SYMBOL VALUE UNIT
Reverse voltage VR75 V
Repetitive peak reverse voltage VRRM 100
Average rectified current half
wave rectification with resistive
load (1)
f 50 Hz IF(AV) 150 mA
Surge forward current t < 1 s and Tj = 25 °C IFSM 350
Power dissipation (1) Ptot 200 mW
1N4148WS-V
www.vishay.com Vishay Semiconductors
Rev. 1.9, 23-Mar-12 2Document Number: 85751
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
Note
(1) Valid provided that electrodes are kept at ambient temperature
RECTIFICATION EFFICIENCY MEASUREMENT CIRCUIT
THERMAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PARAMETER TEST CONDITION SYMBOL VALUE UNIT
Thermal resistance junction to ambient air (1) RthJA 650 K/W
Junction temperature Tj150
°COperating temperature range Tj- 55 to + 150
Storage temperature range Tstg - 65 to + 150
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT
Forward voltage IF = 10 mA VF1000 mV
IF = 100 mA VF1200
Leakage current
VR = 20 V IR25 nA
VR = 75 V IR5
μAVR = 100 V IR100
VR = 20 V, Tj = 150 °C IR50
Diode capacitance VF = VR = 0 V CD4pF
Voltage rise when switching ON
Tested with 50 mA pulses,
tp = 0.1 μs, rise time < 30 ns,
fp = (5 to 100) kHz
Vfr 2.5 V
Reverse recovery time IF = 10 mA, iR = 1 mA, VR = 6 V,
RL = 100 trr 4ns
Rectification efficiency f = 100 MHz, VRF = 2 V 0.45
17436
60 Ω5 kΩ
2 nF
V
O
V
RF
= 2 V
1N4148WS-V
www.vishay.com Vishay Semiconductors
Rev. 1.9, 23-Mar-12 3Document Number: 85751
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
TYPICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
Fig. 1 - Forward Characteristics
Fig. 2 - Dynamic Forward Resistance vs. Forward Current
Fig. 3 - Admissible Power Dissipation vs. Ambient Temperature
Fig. 4 - Relative Capacitance vs. Reverse Voltage
Fig. 5 - Leakage Current vs. Junction Temperature
17437
012
VF (V)
IF (mA)
10-1
10-2
1
10
102
103
Tj = 100 °C Tj = 25 °C
17438
f = 1 kHz
Tj = 25 °C
IF (mA)
Rf (Ω)
10
102
103
104
10-2 10-1 110
2
10
2
5
2
5
2
5
2
5
0
50
100
150
200
250
0 50 100 150 200
20324
Tamb - Ambient Temperature (°C)
Ptot - Power Dissipation (mW)
17440
V
R
(V)
0.7
0.8
0.9
1.0
1.1 f = 1 MHz
Tj = 25 °C
2086410
C
D
(V
R
)
C
D
(0 V)
17441 Tj (°C)
IR (nA)
10
102
103
104
100 200
2
5
2
5
2
5
2
5
VR = 20 V
1
0
1N4148WS-V
www.vishay.com Vishay Semiconductors
Rev. 1.9, 23-Mar-12 4Document Number: 85751
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
Fig. 6 - Admissible Repetitive Peak Forward Current vs. Pulse Duration
PACKAGE DIMENSIONS in millimeters (inches): SOD-323
17442 tP (s)
IFRM (A)
100
1
3
5
10-5 10-4 10-3 1010-1
10-2 25 2 525 25 25 25
2
4
10
3
5
2
4
1
3
5
2
4
0.1
I
IFRM
T
n = tP/T T = 1/fP
t
tP
n = 0
0.1
0.2
0.5
Foot print recommendation:
Rev. 5 - Date: 23.Sept.2009
17443
Document no.:S8-V-3910.02-001 (4)
0.6 (0.024)
0.6 (0.024)0.6 (0.024)
1.6 (0.063)
0.10 (0.004)
Cathode bar
0.20 (0.008)
0.40 (0.016)
2.50 (0.098)
1.1 (0.043)
1.5 (0.059)
2.85 (0.112)
1.60 (0.063)
1.95 (0.077)
0.15 (0.006)
0.1 (0.004) max.
1.15 (0.045)
0.8 (0.031)
Created - Date: 24.August.2004
0.40 (0.016)
0.25 (0.010)
0.2 (0.008)
0° to 8°
Legal Disclaimer Notice
www.vishay.com Vishay
Revision: 02-Oct-12 1Document Number: 91000
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“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.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
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,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical
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
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. Please
contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by
any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
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.
