Skip to main content

We use cookies to understand how you use our site and improve your experience. See our Privacy Policy.

1N5818W

Schottky Barrier Rectifier

The 1N5818W is a schottky barrier rectifier from Rectron Inc. View the full 1N5818W datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

1N5818W shares its datasheet with 1N5819W, whose page lists every part number it covers.

Official 1N5818W datasheet (PDF) — the source this page was extracted from.

Manufacturer

Rectron Inc

Category

Diodes

1N5818W Key Specifications

ParameterValue
Maximum Repetitive Peak Reverse Voltage (V_RRM)20 V (1N5817W), 30 V (1N5818W), 40 V (1N5819W)
Maximum Average Forward Rectified Current (I_F(AV))1 A (0.375" lead length at T_L = 90 °C)
Peak Forward Surge Current (I_FSM)25 A (8.3ms single half sine-wave at T_L = 70 °C)
Maximum Instantaneous Forward Voltage (V_F)0.45 V (at 1 A for 1N5817W), 0.6 V (at 1 A for 1N5819W)
Maximum Instantaneous Reverse Current (I_R)1 μA (at rated DC Reverse Voltage, T_A = 150 °C)
Typical Thermal Resistance (R_θJA)50 °C/W
Typical Junction Capacitance (C_j)110 pF
Storage and Operating Junction Temperature Range (T_j, T_stg)-55 to +125 °C

1N5818W Overview

Part: 1N5817W, 1N5818W, 1N5819W — Rectron Inc

Type: Schottky Barrier Rectifier

Description: 20–40 V, 1.0 Ampere Schottky barrier rectifier with metal silicon junction and guarding for overvoltage protection, offering low power loss and high efficiency.

Operating Conditions:

  • Reverse voltage range: 20–40 V
  • Operating temperature: -55 to +125 °C
  • Max average forward rectified current: 1 A (at T_L = 90 °C)

Absolute Maximum Ratings:

  • Max repetitive peak reverse voltage: 40 V
  • Max average forward rectified current: 1 A
  • Max junction/storage temperature: +125 °C

Key Specs:

  • Maximum Repetitive Peak Reverse Voltage (V_RRM): 20 V (1N5817W), 30 V (1N5818W), 40 V (1N5819W)
  • Maximum Average Forward Rectified Current (I_F(AV)): 1 A (0.375" lead length at T_L = 90 °C)
  • Peak Forward Surge Current (I_FSM): 25 A (8.3ms single half sine-wave at T_L = 70 °C)
  • Maximum Instantaneous Forward Voltage (V_F): 0.45 V (at 1 A for 1N5817W), 0.6 V (at 1 A for 1N5819W)
  • Maximum Instantaneous Reverse Current (I_R): 1 μA (at rated DC Reverse Voltage, T_A = 150 °C)
  • Typical Thermal Resistance (R_θJA): 50 °C/W
  • Typical Junction Capacitance (C_j): 110 pF
  • Storage and Operating Junction Temperature Range (T_j, T_stg): -55 to +125 °C

Features:

  • Metal silicon junction, majority carrier conduction
  • Guarding for overvoltage protection
  • High current capability
  • Low power loss, high efficiency
  • High surge capability

Applications:

  • Low voltage, high frequency inverters
  • Free wheeling
  • Polarity protection

Package:

  • SOD-123F
  • SOD-123FL

1N5818W Features

  • Metal silicon junction, majority carrier conduction
  • Guarding for overvoltage protection
  • High current capability
  • Low power loss, high efficiency
  • High surge capability
  • For use in low voltage, high frequency inverters,free wheeling, and polarity protection applications

1N5818W Electrical Characteristics

Ratings at ambient temperature unless otherwise specified. 25 q C

ParameterSymbols1N5817W1N5818W1N5819WUnits
Maximum Repetitive Peak Reverse VoltageV RRM203040V
Maximum RMS voltageV RMS142128V
Maximum DC Blocking VoltageV DC203040V
Maximum Average Forward Rectified Current 0.375" (9.5 mm) Lead Length at T L = 90 q CI F(AV)111A
Peak Forward Surge Current, 8.3ms Single Half Sine-wave Superimposed On Rated Load (JEDEC method) at TL = 70 q CI FSM252525A
Typical Current Squared TimeI 2 T2.592.592.59A 2 S
Maximum Instantaneous Forward Voltage at 1 A Maximum Instantaneous Forward Voltage at 3.1 AV F0.45 0.750.55 0.8750.6 0.9V
Maximum Instantaneous Reverse Current at Rated DC Reverse Voltage TA = 150 q C TA = 25 q CI R1 201 201 20S A
Typical Thermal ResistanceR ˥ JA R ˥ JL50 1550 1550 15¶ C/W
Typical Junction CapacitanceC j110110110pF
Storage and Operating Junction Temperature RangeT , T j stg-55 ~ +125-55 ~ +125-55 ~ +125¶ C

1N5818W Absolute Maximum Ratings

Ratings at ambient temperature unless otherwise specified. 25 q C

ParameterSymbols1N5817W1N5818W1N5819WUnits
Maximum Repetitive Peak Reverse VoltageV RRM203040V
Maximum RMS voltageV RMS142128V
Maximum DC Blocking VoltageV DC203040V
Maximum Average Forward Rectified Current 0.375" (9.5 mm) Lead Length at T L = 90 q CI F(AV)111A
Peak Forward Surge Current, 8.3ms Single Half Sine-wave Superimposed On Rated Load (JEDEC method) at TL = 70 q CI FSM252525A
Typical Current Squared TimeI 2 T2.592.592.59A 2 S
Maximum Instantaneous Forward Voltage at 1 A Maximum Instantaneous Forward Voltage at 3.1 AV F0.45 0.750.55 0.8750.6 0.9V
Maximum Instantaneous Reverse Current at Rated DC Reverse Voltage TA = 150 q C TA = 25 q CI R1 201 201 20S A
Typical Thermal ResistanceR ˥ JA R ˥ JL50 1550 1550 15¶ C/W
Typical Junction CapacitanceC j110110110pF
Storage and Operating Junction Temperature RangeT , T j stg-55 ~ +125-55 ~ +125-55 ~ +125¶ C

Other Diodes

  • CDSOT23-SM712 – Bourns Inc., Surface Mount TVS Diode
  • SS34HE – Vishay Intertechnology, Schottky Barrier Rectifier
  • BSD3A311V – Brightking, ESD Protection Diode
  • CH213K – WCH, Low Dropout Ideal Diode Chip
  • VMNN110CMS-TR – Stanley Electric, Infrared Emitting Diode
  • ESD5Z2.5T1G – onsemi, ESD Protection TVS Diode
  • PMEG4010CEJ – Nexperia, Schottky Barrier Rectifier
  • BAT54S – Diotec Semiconductor, Dual Schottky Barrier Diode (Series)

All Diodes 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.

Ask your AI agent about the 1N5818W

Connect SheetsData to Claude, Cursor, Codex or any MCP client and your agent reads this datasheet for you: pinout, limits, register maps and design checks, with the numbers taken from the PDF.

claude mcp add --transport http sheetsdata https://mcp.sheetsdata.com/mcp

Then ask: "Can the 1N5818W run from my 12 V rail? Check it against the datasheet limits."

Create a free account $2 of usage every month, no card needed.