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1N4148W

Surface-Mount Fast Switching Diode

The 1N4148W is a surface-mount fast switching diode from Rectron. View the full 1N4148W datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

Official 1N4148W datasheet (PDF) — the source this page was extracted from.

Manufacturer

Rectron

Category

Switches

Package

SOD-123

1N4148W Key Specifications

ParameterValue
Capacitance @ Vr, F4pF @ 0V, 1MHz
Current - Average Rectified (Io)250mA
Reverse Leakage Current2.5 µA @ 75 V
Mounting TypeSurface Mount
Operating Temperature - Junction-55°C ~ 150°C
Package / CaseSOD-123
PackagingReel
Reverse Recovery Time4 ns
Clock SpeedFast Recovery =< 500ns, > 200mA (Io) Hz
Standard Pack Qty10000
Supplier Device PackageSOD-123
Diode TechnologyStandard
Reverse Voltage (Max)75 V
Forward Voltage (Max)1.25 V @ 150 mA

1N4148W Overview

Part: BAV16W/1N4148W — Diodes Incorporated

Type: Surface-Mount Fast Switching Diode

Description: Fast switching diode with a maximum forward voltage of 0.715V at 1mA, a fast reverse recovery time of 4ns, and low capacitance of 2pF.

Operating Conditions:

  • Operating and Storage Temperature Range: -55 to +150 °C
  • Forward Continuous Current: 300 mA

Absolute Maximum Ratings:

  • Max Peak Repetitive Reverse Voltage: 100 V
  • Max Forward Continuous Current: 300 mA
  • Max Operating and Storage Temperature: +150 °C

Key Specs:

  • Reverse Breakdown Voltage (I_R = 1.0μA): 100 V (Min)
  • Forward Voltage (I_F = 1.0mA): 0.715 V (Max)
  • Peak Reverse Current (V_R = 75V): 1.0 μA (Max)
  • Total Capacitance (V_R = 0, f = 1.0MHz): 2.0 pF (Max)
  • Reverse Recovery Time (I_F = I_R = 10mA): 4.0 ns (Max)
  • Power Dissipation: 400 mW
  • Thermal Resistance Junction to Ambient Air: 315 °C/W

Features:

  • Fast Switching Speed
  • Low-Forward Voltage: maximum of 0.715V at 1mA
  • Fast Reverse Recovery: maximum of 4ns
  • Low Capacitance: maximum of 2pF
  • Surface-Mount Package Ideally Suited for Automated Insertion
  • Totally Lead-Free & Fully RoHS Compliant
  • Halogen and Antimony Free. 'Green' Device
  • AEC-Q101 qualified, PPAP capable (for 1N4148WQ)

Applications:

  • General Purpose Switching Applications
  • Automotive applications (for 1N4148WQ)

Package:

  • SOD123

1N4148W Features

  • Fast Switching Speed
  • Low-Forward Voltage: maximum of 0.715V at 1mA
  • Fast Reverse Recovery: maximum of 4ns
  • Low Capacitance: maximum of 2pF
  • Surface-Mount Package Ideally Suited for Automated Insertion
  • For General Purpose Switching Applications
  • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
  • Halogen and Antimony Free. 'Green' Device (Note 3)
  • The 1N4148WQ is suitable for automotive applications requiring specific change control; this part is AEC-Q101 qualified, PPAP capable, and manufactured in IATF 16949 certified facilities.

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

Top View

1N4148W Electrical Characteristics

CharacteristicSymbolMinMaxUnitTest Condition
Reverse Breakdown Voltage (Note 6)V (BR)R100⎯VI R = 1.0μA
Forward VoltageV FM⎯0.715 0.855 1.0 1.25VI F = 1.0mA I F = 10mA I F = 50mA I F = 150mA
Peak Reverse Current (Note 6)I RM⎯1.0 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 T⎯2.0pFV R = 0, f = 1.0MHz
Reverse Recovery Timet RR⎯4.0nsI F = I R = 10mA, I RR = 0.1 x I R , R L = 100Ω

Notes:

  1. Part mounted on FR-4 PC board, double-sided, with 3oz copper plating and with anode and cathode terminal pad dimensions of 2" x 2".

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

1N4148W Absolute Maximum Ratings

CharacteristicCharacteristicSymbolValueUnit
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 R100V
RMS Reverse VoltageRMS Reverse VoltageV R(RMS)71V
Forward Continuous CurrentForward Continuous CurrentI FM300mA
Non-Repetitive Peak Forward Surge Current@t = 1.0μ s @t = 1.0sI FSM2.0 1.0A

1N4148W Thermal Information

CharacteristicSymbolValueUnit
Power Dissipation (Note 5)P D400mW
Thermal Resistance Junction to Ambient Air (Note 5)R ← JA315° C/W
Operating and Storage Temperature RangeT J , T STG-55 to +150° C

1N4148W Package Information

  • Package: SOD123
  • 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: 0.01 grams (Approximate)

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
BAV16WRectronSOD123
BAV16W/1N4148WDiodes IncorporatedSOD123

More part numbers on this datasheet

Their pages show this same datasheet. Some are linked through their part family rather than checked part by part, so confirm the exact part in the ordering information.

Other Switches

  • 1N4148 – onsemi, Switching Diode
  • 1N4148WQ – Rectron, Surface-Mount Fast Switching Diode
  • 1N4148WQ-13-F – Rectron, Surface-Mount Fast Switching Diode
  • 1N4148WQ-7-F – Rectron, Surface-Mount Fast Switching Diode
  • A3144 – Allegro MicroSystems, Sensitive Hall-Effect Switch
  • BAV16W – Rectron, Surface-Mount Fast Switching Diode
  • BAV16W/1N4148W – Diodes Incorporated, Surface-Mount Fast Switching Diode
  • LT8640 – Analog Devices, Synchronous Step-Down Silent Switcher 2

All Switches datasheetsAll Rectron datasheets (13)

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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