4N28

1.How to order 4N28 on Highrise?

Highrise can provide stock order or lead time orders. While you submit the RFQ, our professional sales team will contact you with the competitive price in the global market, and will proceed with order if you accept our offer.

2.Should I sign up on the website to make an inquiry for 4N28 ?

No need register. You only need to fulfill the part number, quantity, email address and other contact information required for the inquiry of 4N28, our sales team will get back to you within 24hours.But you need to sign up for the post comments and resource downloads.

3.How does Highrise guarantee that 4N28 is from the original manufacturer or authorized distributors?

Highrise pay more attention to the channels and quality of 4N28 than any other suppliers. Highrise strictly implement supplier audits each quarter every year, so you can purchase with confidence.

We have a professional and experienced quality control team to strictly verify and test the 4N28 . All suppliers must pass our qualification reviews before they can offer the electronic components to Highrise including 4N28.

4. Are the 4N28 price and inventory displayed accurate?

The price and inventory of 4N28 fluctuates frequently, so cannot be updated in time. But Highrise will be update periodically within 24 hours.You can view the historical price trends of electronic components to provide a basis for your purchasing decisions.

Furthermore, our quotation usually expire after 5 days.

5.What payment term can you accept?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment terms may require handling fee, which should be bared by the buyer.

6.What shipping method can be used for my order?

All courier can be used like DHL, UPS, FedEx, TNT,SF express and Registered Mail. Shipping insurance is available. If you have courier account, freight collect; if you don’t have account number, may choose ours,freight prepaid.

Our sales team will advice the lead time in advance before shipment, after deliver, will share tracking number for you to track online.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

7.What is the process for return or replacement of 4N28 ?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the 4N28 we delivered, we will accept the replacement or return of the 4N28 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of 4N28 .

(3)The Part No is unused and only in the original unopened packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorization.

8.How to contact us to get technical support, such as 4N28 pin diagram, 4N28 datasheet?

If you need any pre-sales, in-sales or after-sales service, please do not hesitate to contact our sales team: sales@icrise.com.

9.How do you guarantee your products?

Highrise guarantee 100% customer satisfaction and our tech support team will back our services to satisfy all our customers. Meanwhile, Highrise provide 90days warranty, if the received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

10.How can I obtain software development tools related to the Xilinx FPGA platform?

In FPGA/CPLD design tools, Xilinx's Vivado Design Suite is easy to use, it is very user-friendly in synthesis and implementation, and it is easier to use than ISE design tools; The specific choice depends on personal habits and functional requirements to specifically select a more suitable match. You can search and download through the Highrise resource channel.

11.How to obtain 4N28 technical support documents?

Enter the "4N28" keyword in the search box of the website, or find these through the Download Channel.

12.What should I do if I did not receive the technical support for 4N28 in time?

Depending on the time difference between your location and China, it may take several hours for us to reply, please be patient, our Highrise technical engineer will help you with the 4N28 pinout information, replacement, datasheet in pdf, programming tools, starter kit, etc.