The only official website & email suffix are and
WIN SOURCE does not have any other Company Name or Website.


Part No 1.5SMC33AT3
Manufacturer ON Semiconductor
Catalog Hard To Find
Description 1500 Watt Peak Power Zener Transient Voltage Suppressors | TVS DIODE 28.2V 45.7V SMC
Rohs State Need to verify

Shipping Information

Shipped from HK warehouse
Expected Shipping Date
Ship today if order in (HKT)
Supplier Lead-Time Call for availability
Estimate shipping fee
Enter your destination to get a shipping estimate
Estimate Shipping Fee
Pricing & Ordering $0.5449 Historical reference price : is the price that a customer announces that it is willing to pay for this component in the previous period, only for reference.
Unit Price
Ext. Price
* The above prices does not include taxes and freight rates, which will be calculated on the order pages.
Availability: 4,150 pieces
MOQ: 60 pcs
Order Increment : 1 pcs
*Need More Quantity? *Request a Bulk Quantity Quotation?
Estimate shipping
Enter your destination to get a shipping estimate


Products specifications

Categories Circuit Protection
Manufacturer ON Semiconductor
Packaging Cut Tape (CT)
Status Obsolete
Type Zener
Unidirectional Channels 1
Voltage - Reverse Standoff 28.2V
Voltage - Breakdown (Minimum) 31.4V
Voltage - Clamping (Maximum) at Ipp 45.7V
Current - Peak Pulse (10/1000μs) 33A
Power - Peak Pulse 1500W (1.5kW)
Power Line Protection No
Applications General Purpose
Temperature Range - Operating -65°C ~ 150°C
Mounting Style SMD
Manufacturer Package DO-214AB, SMC
Supplier Device Package SMC
Family Part Number 1.5SMC
Manufacturer Pack Quantity 1
MSL Level 1 (Unlimited)
Win Source Part Number 1120847-1.5SMC33AT3
Manufacturer Homepage
Popularity Medium
Fake Threat In the Open Market 35 pct.
Supply and Demand Status Balance
Application Field Used in Communications & Networking, Automation & Process Control, Automotive, Power Management, Consumer Electronics, Computers & Computer Peripherals, Medical, Industrial


Product Overview: 1.5SMC33AT3 - ON Semiconductor

The 1.5SMC33AT3 is a robust transient voltage suppression (TVS) diode manufactured by ON Semiconductor, designed to provide high-quality circuit protection in a variety of applications. This product is specially crafted to shield sensitive electronic components from voltage spikes and surges, ensuring the reliability and longevity of electronic systems.

Key Features

  • Surge Protection: With a stand-off voltage of 28.2V, the 1.5SMC33AT3 is capable of handling surges up to 1.5KW at 10/1000μs waveform, making it an excellent choice for guarding against transient overvoltage events.
  • Peak Pulse Power: It offers a peak pulse power dissipation of 1500 Watts, providing a shield against high energy transients.
  • Low Incremental Surge Resistance: The device features an extremely low incremental surge resistance, which is crucial for maintaining the integrity of the protection in surge events.
  • Operating Temperature: The diode operates effectively within a wide temperature range from -55°C to +150°C, catering to various environmental conditions.
  • Package: The 1.5SMC33AT3 comes in a compact SMC package, which is ideal for automated placement and space-constrained applications.
  • Compliance: This TVS diode is RoHS compliant, ensuring that it meets the latest environmental standards and regulations.


The 1.5SMC33AT3 is versatile and can be used in a wide array of applications including:

  • Power supply protection
  • Industrial systems
  • Telecommunication devices
  • Consumer electronics
  • Computing devices
  • Automotive systems

Reliability and Quality

ON Semiconductor is known for their commitment to quality and reliability, and the 1.5SMC33AT3 is no exception. Each diode is subjected to rigorous testing and quality control measures to ensure it meets the high standards expected from ON Semiconductor products. Customers can trust in the 1.5SMC33AT3 for consistent performance and protection in their electronic designs.

Ordering and Packaging Information

The 1.5SMC33AT3 is available in tape and reel packaging, facilitating easy handling and integration into manufacturing processes. For detailed ordering and shipping information, please consult the ON Semiconductor website or contact their customer service for assistance.

Contact Us

You May Also Be Interested in

Top Sellers

Win-Source Footer Image

Cookie Consent Preference Center

When you visit any of our websites, it may store or retrieve information on your browser, mostly in the form of cookies. This information might be about you, your preferences, or your device and is mostly used to make the site work as you expect it to. The information does not usually directly identify you, but it can give you a more personalized experience. Because we respect your right to privacy, you can choose not to allow some types of cookies. Click on the different category headings to find out more and manage your preferences. Please note, blocking some types of cookies may impact your experience of the site and the services we are able to offer.

Manage Consent Preferences

Always Active

These cookies are necessary for the website to function and cannot be switched off in our systems. They are usually only set in response to actions made by you which amount to a request for services, such as setting your privacy preferences, logging in or filling in forms. You can set your browser to block or alert you about these cookies, but some parts of the site will not then work. These cookies do not store any personally identifiable information.

These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. They help us to know which pages are the most and least popular and see how visitors move around the site. All information these cookies collect is aggregated and therefore anonymous. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance.

These cookies enable the website to provide enhanced functionality and personalisation. They may be set by us or by third party providers whose services we have added to our pages. If you do not allow these cookies then some or all of these services may not function properly.

These cookies are used to make advertising messages more relevant to you and may be set through our site by us or by our advertising partners. They may be used to build a profile of your interests and show you relevant advertising on our site or on other sites. They do not store directly personal information, but are based on uniquely identifying your browser and internet device.