Part Number
A4491EESTR-T
Manufacturer
Description
IC REG BUCK ADJ TRPL 20QFN
Datasheet
Package
20-WFQFN Exposed Pad
In Stock
16,764 piece(s)
Unit Price
Request a Quote
Lead Time
Can Ship Immediately
Estimated Delivery Time
Dec 29 - Jan 3 ( Choose Expedited Shipping)
Request for Quotation
Heisener's commitment to quality has shaped our processes for sourcing, testing, shipping, and every step in between. This foundation underlies each component we sell.
Do you have any question about A4491EESTR-T?
+86-755-83210559 ext. 816
Part Number # A4491EESTR-T (PMIC - Voltage Regulators - DC DC Switching Regulators) is manufactured by Allegro MicroSystems, LLCand 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 A4491EESTR-Tspecifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add A4491EESTR-T with quantity into BOM. Heisener.com does NOT require any registration to request a quote of A4491EESTR-T.
Nov*****ayal
March 17, 2023
Tony*****illan
March 3, 2023
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.
We have a professional and experienced quality control team to strictly verify and test theA4491EESTR-T. All suppliers must pass our qualification reviews before they can publish their products including A4491EESTR-T on Heisener;we pay more attention to the channels and quality of A4491EESTR-Tproducts than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the A4491EESTR-T price and inventory displayed accurate?The price and inventory of A4491EESTR-T 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.
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.
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 A4491EESTR-T we delivered, we will accept the replacement or return of the A4491EESTR-T 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 ofA4491EESTR-T.
(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
If you need any after-sales service, please do not hesitate to contact us.
We guarantee 100% customer satisfaction.
Our experienced sales team and tech support team back our services to satisfy all our customers.
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.
Part Number | Manufacturer | Description | Stock |
A4491EESTR-T D# V79:2366_17788111 |
Allegro MicroSystems LLC |
Conv DC-DC 4.5V to 23V Step Down Single-Out 4.5A 20-Pin QFN EP T/R RoHS: Compliant
|
0 |
Part Number | Manufacturer | Description | Stock |
A4491EESTR-T D# A4491EESTR-T |
Allegro MicroSystems LLC |
Conv DC-DC 3-OUT Step Down 4.5V to 23V 20-Pin QFN T/R (Alt: A4491EESTR-T) |
0 |
Part Number | Manufacturer | Description | Stock |
A4491EESTR-T |
Allegro MicroSystems LLC |
IC REG BUCK ADJ TRPL 20QFN |
18000 |
Part Number | Manufacturer | Description | Stock |
A4491EESTR-T D# 2156-A4491EESTR-T-ND |
Rochester Electronics LLC |
TRIPLE OUTPUT STEP DOWN SWITCHIN |
47600 |
Part Number | Manufacturer | Description | Stock |
A4491EESTR-T |
Allegro MicroSystems LLC |
In stock shipping within 2days |
19182 |
Part Number | Manufacturer | Description | Stock |
A4491EESTRT |
Allegro MicroSystems LLC |
OEM/CM QUOTES ONLY | NO BROKERS |
2071 |
Part Number | Manufacturer | Description | Stock |
A4491EESTR-T |
Allegro MicroSystems LLC |
OEM/CM Immediate delivery |
23422 |
Part Number | Manufacturer | Description | Stock |
A4491EESTR-T D# XSKDRABS0061390 |
Allegro MicroSystems LLC |
TRIPLE OUTPUT STEP DOWN SWITCHING REGULATOR |
5996 |
Part Number | Manufacturer | Description | Stock |
A4491EESTR-T |
Allegro MicroSystems LLC |
SWITCHING REGULATOR, CURRENT-MODE, 1.5A, 630KHZ SWITCHING FREQ-MAX |
1200 |
Part Number | Manufacturer | Description | Stock |
A4491EESTR-T |
Allegro MicroSystems LLC |
A4491 - Triple Output Step Down Switching Regulator RoHS: Compliant
|
47600 |
Part Number | Manufacturer | Description | Stock |
A4491EESTRT |
Allegro MicroSystems LLC |
OEM/CM ONLY |
19394 |
Part Number | Manufacturer | Description | Stock |
A4491EESTR-T |
Allegro MicroSystems LLC |
IN stock Immediate delivery |
23407 |
Part Number | Manufacturer | Description | Stock |
A4491EESTR-T |
Allegro MicroSystems LLC |
shipping today |
585 |
Part Number | Manufacturer | Description | Stock |
A4491EESTR-T D# 26115925 |
Allegro MicroSystems LLC |
Conv DC-DC 4.5V to 23V Step Down Single-Out 4.5A 20-Pin QFN EP T/R RoHS: Compliant
|
0 |
Part Number | Manufacturer | Description | Stock |
A4491EESTR-T |
Allegro MicroSystems LLC |
IC REG BUCK ADJ TRPL 20QFN |
870 |
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