Name: XR21B1421IL28-F
Brand: Exar Corporation
SKU: XR21B1421IL28-F
Availability: InStock
Rating: 5 (147 reviews)

XR21B1421IL28-F

For Reference Only

Part Number	XR21B1421IL28-F
Manufacturer	Exar Corporation
Description	IC UART BRIDGE TO USB 1CH 28-QFN
Datasheet	XR21B1421IL28-F Specifications
Package	28-VFQFN Exposed Pad
ECAD
In Stock	13,368 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 23 - May 28 (Choose Expedited Shipping)
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Part Number # XR21B1421IL28-F (Interface - Controllers) is manufactured by Exar Corporation and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For XR21B1421IL28-F specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add XR21B1421IL28-F with quantity into BOM. Heisener.com does NOT require any registration to request a quote of XR21B1421IL28-F.

XR21B1421IL28-F Specifications

Manufacturer	Exar Corporation
Category	Integrated Circuits (ICs) - Interface - Controllers
Package	28-VFQFN Exposed Pad
ECAD
Series	-
Protocol	USB
Function	Bridge, USB to UART
Interface	UART
Standards	USB 2.0
Voltage - Supply	3 V ~ 3.6 V
Current - Supply	13mA
Operating Temperature	-40°C ~ 85°C
Package / Case	28-VFQFN Exposed Pad
Supplier Device Package	28-QFN (5x5)

XR21B1421IL28-F Reviews

Aubri*****Moses

April 2, 2023

★ ★ ★ ★ ★

Happy with purchase, would do business again

Vivia*****nesan

April 1, 2023

★ ★ ★ ★ ★

Well packed in anti-static bags. Repaired my amp perfectly - thank you!

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XR21B1421IL28-F Packaging

XR21B1421IL28-F FAQ

1. How to order XR21B1421IL28-F on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that XR21B1421IL28-F is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the XR21B1421IL28-F. All suppliers must pass our qualification reviews before they can publish their products including XR21B1421IL28-F on Heisener; we pay more attention to the channels and quality of XR21B1421IL28-F products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the XR21B1421IL28-F price and inventory displayed accurate?

The price and inventory of XR21B1421IL28-F fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

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

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

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.
6. What is the process for return or replacement of XR21B1421IL28-F?

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 XR21B1421IL28-F we delivered, we will accept the replacement or return of the XR21B1421IL28-F 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 XR21B1421IL28-F.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as XR21B1421IL28-F pin diagram, XR21B1421IL28-F datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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XR21B1421IL28-F Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you 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.

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XR21B1421IL28-F

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