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  • 1N4149
1N4149
Category: Diode
Manufacture: onsemi
Description: DIODE GEN PURP 100V 500MA DO35
Lead Time: Can ship immediately
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Diodes are one of the most important components in electronic circuits. They are used in a variety of applications and are essential for many types of electronic devices.

In its simplest form, a diode is a two-terminal electronic device that allows current to flow in only one direction. This is referred to as rectification and it is used to convert alternating current (AC) to direct current (DC). This is commonly found in power supplies, which are used to regulate electrical currents in a wide variety of electronics.

Diodes are also widely used in switching and amplifying applications. They are used to turn on and off signals, as well as amplify them. Transistors, which are widely used in most types of electronics, rely on diodes for their functioning. Diodes can also be used to protect components from transient voltages by providing a high impedance path for large currents.

Another common application for diodes is in optoelectronics. When a diode is forward biased, it emits light and is used in LEDs, lasers, and photodiodes. LEDs are used in numerous types of lighting, including automotive headlights and traffic signals. Lasers are found in a variety of applications including gas sensors, data storage, laser printers and barcode readers. Photodiodes are used in photocells and detectors that sense light and heat.

Diodes are also used in telecommunication applications. LEDs are used in fiber-optic communication systems as well as GPS receivers, and photodiodes are used in optical communications systems.


  • S****a R*******z2023-02-23
    Excelente servicio, estoy sorprendido con los tiempos de traslado y los costos de envíos. Gracias, muchas gracias. Seguiremos comprando.
  • J****e F*****y2023-04-27
    You have always been proactively offering me the latest components to ensure I get the performance I need without sacrificing on quality. And when a component was out of stock, you handled the issue quickly, clearly outlining my cancel or substitute options.
  • F******o T****s2021-11-26
    Worked as expected.
  • P**y B****o2023-04-10
    Thank you once again for everything you have done and for being our trusted electronic components distributor.
  • E****a V****s2023-03-21
    We recognize your components and services so much that you have become our Class A supplier

Don't accept our current quality as the status quo. Quality improvements must continuously occur to keep pace with market demands for lower costs, which can only be achieved through attaining high yields.

One River's primary goal is "to exceed the expectations of our customers.” The entire organization, beginning with top management, has worked consistently to meet this goal.

We are committed to selling high-quality diode products that meet customer needs. Our dedicated quality inspection team quickly resolves quality-related issues through coordinated efforts and communication with business departments, sales and manufacturing teams. Every member of the team participates in the communication about product control, corrective actions and quality improvement plans.


Shopping Guide
  • How to buy
    The price and stock of 1N4149 changes time to time, so we suggest you acquire quotations to get the update offer if you are interested.
    Please fill the information to send RFQ to us.
    Our sales will reply to your request by email within 12 hours.
  • Delivery Period
    Packages will be arranged for delivery within 1-2 days from the date of all items arriving at our warehouse. In-stock items can be shipped out within 24 hours. Delivery Time depends on the Shipping Method and Delivery Destinations.
  • If you have any questions, you can contact us quickly in the following ways

    Tel : +86-755-8417 5709

    Email:[email protected]

  • Shipping Methods