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  • P4SMA220CAHM3_A/H
P4SMA220CAHM3_A/H
Category: Diode
Manufacture: Vishay
Description: TVS DIODE 185VWM 328VC DO214AC
Lead Time: Can ship immediately
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Diodes are widely used because of their high reliability, low forward voltage drop, and temperature stability.

In digital applications, diodes act as switches, allowing circuits to have either an “on” or “off” state. They can be used for logic switching, data transmission, and in memories. They are also useful for suppressing transients, overvoltages, and high-energy spikes to protect other components in a circuit.

Diodes also find applications in analog circuits. For example, they can be used as rectifiers to convert Alternating Current (AC) to Direct Current (DC). They can also be used as voltage multipliers and protectors in motor drives. In power supplies, diodes act as a regulating element and divert the excess current back to the power source.

Finally, diodes are also used in automotive and communication. Automotive systems use them for alternative current (AC) to direct current (DC) conversions, voltage regulation, and to reduce electromagnetic interferences.

Diodes are also useful for speed control and for protecting against overvoltage and electrical noise in communication systems.

Overall, diodes have a wide range of applications. They can be used as power controllers, regulators,rectifiers, and protective elements in both digital and analog circuits. High reliability, low forward voltage drop, and temperature stability make Vishay diodes ideal for automotive, communication.


  • A**a P*****n2021-10-20
    Very good product at reasonable rates. It can't get better than this.
  • P**y H****o2023-04-03
    We would like to show our sincerest gratitude for your continued support as our electronics components distributor.
  • C*****v2023-03-14
    The parts arrived on time, in good condition, and at a great price. The components performed exactly as expected in our project. I would highly recommend you for anyone looking for components
  • O***r M***n2023-04-04
    Over the last year, you have consistently met our expectations and even exceeded them in the quality and delivery of your electronic components.
  • N***s L****c2023-03-27
    We are especially appreciative of your prompt customer service in answering our questions, responding to our special requests, and your ability to provide competitive prices for our service needs. We also appreciate your willingness to provide additional components for our product research and development efforts.

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 P4SMA220CAHM3_A/H 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]

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