Name: ST491ACDR
Brand: STMicroelectronics
SKU: ST491ACDR
Availability: InStock
Rating: 5 (194 reviews)

ST491ACDR

For Reference Only

Part Number	ST491ACDR
Manufacturer	STMicroelectronics
Description	IC TXRX LPWR HS RS485/422 14SOIC
Datasheet	ST491ACDR Datasheet ST491ACDR Specifications
Package	14-SOIC (0.154", 3.90mm Width)
ECAD
In Stock	297,840 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 29 - May 4 (Choose Expedited Shipping)
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Part Number # ST491ACDR (Interface - Drivers, Receivers, Transceivers) is manufactured by STMicroelectronics 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 ST491ACDR specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add ST491ACDR with quantity into BOM. Heisener.com does NOT require any registration to request a quote of ST491ACDR.

ST491ACDR Specifications

Manufacturer	STMicroelectronics
Category	Integrated Circuits (ICs) - Interface - Drivers, Receivers, Transceivers
Package	14-SOIC (0.154", 3.90mm Width)
ECAD
Series	-
Type	Transceiver
Protocol	RS422, RS485
Number of Drivers/Receivers	1/1
Duplex	Full
Receiver Hysteresis	70mV
Data Rate	50Mbps
Voltage - Supply	4.5 V ~ 5.5 V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	14-SOIC (0.154", 3.90mm Width)
Supplier Device Package	14-SO

ST491ACDR Datasheet

ST491ACDR Reviews

Juli*****ashyap

April 9, 2023

★ ★ ★ ★ ★

Super easy to replace and labelled terminals made it a quick replacement.

Jay***** Bhat

March 16, 2023

★ ★ ★ ★ ★

I got a very helpful customer service here. Definitely will order my electronics needs again.

Els*****Todd

February 27, 2023

★ ★ ★ ★ ★

I have never been experienced anything wrong with my order, the logistic has always get out the same day, and the items are always well packaged.

Jayc*****Colon

February 24, 2023

★ ★ ★ ★ ★

I love your products are well organized. You make it easy to spend $$$! Lol. Keep up the good work folks!

Dax***** Dua

February 21, 2023

★ ★ ★ ★ ★

Works just like the original one and even has the correct connectors installed.

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ST491ACDR Packaging

ST491ACDR FAQ

1. How to order ST491ACDR 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 ST491ACDR is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the ST491ACDR. All suppliers must pass our qualification reviews before they can publish their products including ST491ACDR on Heisener; we pay more attention to the channels and quality of ST491ACDR products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the ST491ACDR price and inventory displayed accurate?

The price and inventory of ST491ACDR 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 ST491ACDR?

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 ST491ACDR we delivered, we will accept the replacement or return of the ST491ACDR 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 ST491ACDR.

(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 ST491ACDR pin diagram, ST491ACDR datasheet?

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

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ST491ACDR 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.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number

Manufacturer

Description

Stock

ST491ACDR

STMicroelectronics

IC TXRX LPWR HS RS485/422 14SOIC

Part Number

Manufacturer

Description

Stock

ST491ACDR

D# 497-2889-2-ND

STMicroelectronics

IC TRANSCEIVER FULL 1/1 14SO

Part Number

Manufacturer

Description

Stock

ST491ACDR

D# NS-ST491ACDR

STMicroelectronics

OEM/CM ONLY

8388

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ST491ACDR

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