1N5818 Schottky barrier rectifier rated for 30V reverse voltage and 1A average forward current. Axial lead DO-41 package.
Mfr Part #:

1N5818

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
Schottky barrier rectifier rated for 30V reverse voltage and 1A average forward current. Axial lead DO-41 package.
Total Stock: 62,900 pcs

1N5818 Available from 2 distributors

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62,000 pcs
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900 pcs
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1N5818 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Average Rectified Forward Current (IF(AV))
Current
Forward Voltage (Vf)
Lead Style
Mounting Type
Non-Repetitive Peak Surge Current (IFSM)
Operating Junction Temperature
Operating Temperature
Operating and Storage Temperature Range
Package / Case
Reverse Voltage (Vrrm)
Speed
Supplier Device Package
Tape & Reel
Technology
Thermal Resistance Junction-to-Ambient
Voltage

1N5818 Description

Short technical summary and product information.

The 1N5818 is a Schottky barrier rectifier diode from the 1N5817/1N5818/1N5819 series, designed for low-voltage, high-frequency applications. It features a maximum reverse voltage (VRRM) of 30V and an average rectified forward current (IF(AV)) of 1A. The forward voltage is typically 500mV at 1A, enabling low power loss and high efficiency. The device can handle non-repetitive peak surge currents up to 25A. This rectifier employs Schottky barrier technology with majority carrier conduction for fast switching (recovery ≤500ns at >200mA). It operates over a junction temperature range of -65°C to +150°C and has a thermal resistance (junction-to-ambient) of 80°C/W. The component is housed in a through-hole DO-41 (DO-204AL) axial lead package, making it suitable for PCB mounting. The 1N5818 is ideal for use as a rectifier in low-voltage inverters, freewheeling diodes, and polarity protection circuits.

1N5818 Quick Information

Product Type: Schottky Rectifier Diode
Canonical Name: STMicroelectronics 1N5818 Schottky Barrier Rectifier
Subcategory: Schottky Rectifier

1N5818 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): MSL 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Yes

1N5818 Features

  • 30V reverse voltage and 1A forward current.
  • Low forward voltage of 500mV at 1A.
  • Fast recovery ≤500ns for high-frequency use.
  • Non-repetitive surge current up to 25A.
  • Axial lead DO-41 through-hole package.

1N5818 Applications

  • Rectification in low-voltage power supplies.
  • Freewheeling diode in inductive circuits.
  • Polarity protection in electronic systems.

1N5818 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the maximum reverse voltage (VRRM) of the 1N5818?

The maximum repetitive peak reverse voltage (VRRM) is 30 V.

What is the average forward current rating?

The average rectified forward current (IF(AV)) is 1 A.

What is the package type?

The component is available in a DO-41 (DO-204AL) axial lead through-hole package.

What is the typical forward voltage?

The forward voltage (VF) is typically 500 mV at 1 A.

Is this part Pb-free?

The datasheet indicates the device is Pb-Free.

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