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1N4148WS

Fast Switching Diode

The 1N4148WS is a fast switching diode from onsemi. View the full 1N4148WS datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

1N4148WS shares its datasheet with 1N4148WS-7-F, whose page lists every part number it covers.

Official 1N4148WS datasheet (PDF) — the source this page was extracted from.

Manufacturer

onsemi

Category

Discrete Semiconductors

Package

SC-90, SOD-323F

1N4148WS Key Specifications

ParameterValue
Capacitance @ Vr, F4pF @ 0V, 1MHz
Current - Average Rectified (Io)150mA
Reverse Leakage Current5 µA @ 75 V
Mounting TypeSurface Mount
Operating Temperature - Junction150°C (Max)
Package / CaseSC-90, SOD-323F
Reverse Recovery Time4 ns
Clock SpeedSmall Signal =< 200mA (Io), Any Speed Hz
Supplier Device PackageSOD-323F
Diode TechnologyStandard
Reverse Voltage (Max)75 V
Forward Voltage (Max)1 V @ 10 mA

1N4148WS Overview

Part: 1N4148WS / BAV16WS — Diodes Incorporated

Type: Surface Mount Fast Switching Diode

Description: A fast switching diode with 75 V peak repetitive reverse voltage, 150 mA average rectified output current, and 4.0 ns reverse recovery time, available in a small surface mount package.

Operating Conditions:

  • Operating and storage temperature: -55 to +150 °C

Absolute Maximum Ratings:

  • Max repetitive reverse voltage: 75 V
  • Max average rectified output current: 150 mA
  • Max junction/storage temperature: +150 °C

Key Specs:

  • Reverse Breakdown Voltage: 75 V (min) @ I R = 1.0μA
  • Forward Voltage: 0.715 V (max) @ I F = 1.0mA
  • Forward Voltage: 1.25 V (max) @ I F = 150mA
  • Peak Reverse Current: 1.0 μA (max) @ V R = 75V
  • Total Capacitance: 2.0 pF (max) @ V R = 0, f = 1.0MHz
  • Reverse Recovery Time: 4.0 ns (max) @ I F = I R = 10mA, I RR = 0.1 x I R , R L = 100Ω
  • Power Dissipation: 200 mW

Features:

  • Fast Switching Speed
  • Small Surface Mount Package
  • For General-Purpose Switching Applications
  • Totally Lead-Free & Fully RoHS Compliant
  • Halogen and Antimony Free. 'Green' Device
  • AEC-Q101 qualified (for 1N4148WSQ)

Applications:

  • General-Purpose Switching Applications
  • Automotive applications (for 1N4148WSQ)

Package:

  • SOD323

1N4148WS Features

  • Fast Switching Speed
  • Small Surface Mount Package
  • For General-Purpose Switching Applications
  • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
  • Halogen and Antimony Free. 'Green' Device (Note 3)
  • The 1N4148WSQ is suitable for automotive applications requiring specific change control; this part is AEC-Q101 qualified, PPAP capable, and manufactured in IATF16949 certified facilities.

https://www.diodes.com/quality/product-definitions/

SOD323

Top View

1N4148WS Electrical Characteristics

CharacteristicSymbolMinMaxUnitTest Condition
Reverse Breakdown Voltage (Note 5)V (BR)R75VI R = 1.0μA
Forward VoltageV FM0.715 0.855 1.0 1.25VI F = 1.0mA I F = 10mA I F = 50mA I F = 150mA
Peak Reverse Current (Note 5)I RM1.0 50 30 25μA μA μA nAV R = 75V V R = 75V, T J = +150°C V R = 25V, T J = +150°C V R = 20V
Total CapacitanceC T2.0pFV R = 0, f = 1.0MHz
Reverse Recovery Timet RR4.0nsI F = I R = 10mA, I RR = 0.1 x I R , R L = 100Ω

Notes:

  1. Short duration pulse test used to minimize self-heating effect.

  2. Part mounted on FR-4 PC board with 1 inch square, 2oz copper pad layout.

1N4148WS Absolute Maximum Ratings

CharacteristicCharacteristicSymbolValueUnit
Non-Repetitive Peak Reverse Voltage (Note 5)Non-Repetitive Peak Reverse Voltage (Note 5)V RM100V
Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking VoltagePeak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking VoltageV RRM V RWM V R75V
RMS Reverse VoltageRMS Reverse VoltageV R(RMS)53V
Forward Continuous CurrentForward Continuous CurrentI FM300mA
Average Rectified Output CurrentAverage Rectified Output CurrentI O150mA
Non-Repetitive Peak Forward Surge Current@t = 1.0μs @t = 1.0sI FSM2.0 1.0A

1N4148WS Thermal Information

CharacteristicSymbolValueUnit
Power Dissipation (Note 6)P D200mW
Thermal Resistance Junction to Ambient Air (Note 6)R θJA625°C/W
Operating and Storage Temperature RangeT J , T STG-55 to +150°C

1N4148WS Package Information

  • Package: SOD323
  • Package 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 Alloy 42 Leadframe (Lead-Free Plating). Solderable per MIL-STD-202, Method 208
  • Polarity: Cathode Band
  • Weight: 0.006 grams (Approximate)

Device Schematic

Device Schematic

XX = Product Type Marking Code, T4 A bar on top of the letter 'T' denotes assembly site

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part NumberManufacturerPackage
1N4148WS-13-FDiodes IncorporatedSOD323
1N4148WS-7-FDiodes IncorporatedSC-76, SOD-323
1N4148WSQDiodes IncorporatedSOD323
1N4148WSQ-13-FDiodes IncorporatedSOD323
1N4148WSQ-7-FDiodes IncorporatedSOD323
BAV16WSDiodes IncorporatedSOD323

Other Discrete Semiconductors

  • 2N3904 – onsemi, NPN General - Purpose Amplifier
  • 1N4148W-13-F – Diodes Incorporated, Surface-Mount Fast Switching Diode
  • 1N4148W-7-F – Diodes Incorporated, Surface-Mount Fast Switching Diode
  • 1N4148WS-13-F – Diodes Incorporated, Fast Switching Diode
  • 1N4148WS-7-F – Diodes Incorporated, Fast Switching Diode
  • 1N4148WSQ – Diodes Incorporated, Fast Switching Diode
  • 1N4148WSQ-13-F – Diodes Incorporated, Fast Switching Diode
  • 1N4148WSQ-7-F – Diodes Incorporated, Fast Switching Diode

All Discrete Semiconductors datasheetsAll onsemi datasheets (357)

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

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