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A8660KESTR-J
Purchase Protection

We source brand-new parts via original manufacturers, franchised distributors or verified independent channels, with incoming inspection. Channel type is confirmed on your quote.

Contact sales or email [email protected] with MPN and quantity. We reply with stock, ETA and reference pricing — confirm before PO.

Reference price and stock shown as of 2026-11-05. Confirm live availability and unit price via RFQ before placing a PO.

A8660KESTR-J

SYNCHRONOUS BUCK CONTROLLER
Allegro MicroSystems · Power Supply Controllers, Monitors · BOM Matching
Mfr. Part Number
A8660KESTR-J
Manufacturer
Allegro MicroSystems
Package / Case
20-WFQFN Exposed Pad
Datasheet
Datasheet
Description
SYNCHRONOUS BUCK CONTROLLER
RoHS Status
Lead Free / RoHS Complaint
Availability
Sourcing — Lead time quoted on request (often 3–15 business days by channel)
sample
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A8660KESTR-J
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In Stock1,751
Unit
Price
$2.94
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Reference Price
QuantityPrice
1$ 2.9400
Prices are for reference only. The final transaction is subject to confirmation.
As of 2026-11-05 · Valid as reference until 2026-11-12 · Request RFQ for live stock.
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Specification Summary

Package / Case
20-WFQFN Exposed Pad
Supplier Device Package
20-QFN (4x4)
Voltage - Input
3V ~ 45V
Current - Supply
2.5 mA
Operating Temperature
-40°C ~ 150°C (TJ)
Mounting Type
Surface Mount, Wettable Flank
Applications
Automotive, Consumer, Industrial
Full specifications are listed below. Need alternates or BOM matching? Read BOM guide · Request a quote
Stock status: Sourcing — Lead time quoted on request (often 3–15 business days by channel)
Shortage / allocation / EOL lines may need longer — ask via RFQ.
Reference price and stock shown as of 2026-11-05. Confirm live availability and unit price via RFQ before placing a PO.
Lead time FAQ Authenticity FAQ MOQ FAQ
Specifications
Product Description
Purchase & Inquiry
Voltage - Input
3V ~ 45V
Applications
Automotive, Consumer, Industrial
Current - Supply
2.5 mA
Mounting Type
Surface Mount, Wettable Flank
Operating Temperature
-40°C ~ 150°C (TJ)
Voltage - Supply
-
Package / Case
20-WFQFN Exposed Pad
Supplier Device Package
20-QFN (4x4)
SYNCHRONOUS BUCK CONTROLLER
Brand Introduction

Allegro MicroSystems is redefining the future of power and sensing technologies. From green energy to advanced mobility and motion control systems, their team is passionate about developing intelligent solutions that move the world forward and give our customers a competitive edge. With global engineering, manufacturing and support, Allegro is a trusted partner to both large enterprises and regional market leaders worldwide.

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Buying FAQ — A8660KESTR-J

Answer-first notes for stock, authenticity, lead time and quoting. Marked up as FAQPage.

How do I buy A8660KESTR-J from Yingxinyuan?

Open RFQ with quantity and target date, or upload a BOM that includes A8660KESTR-J. We reply with stock, channel note, reference price and ETA.

Is the listed price final?

Prices on the product page are reference only. Confirm unit price, currency and validity via RFQ before placing a PO.

How fresh is the stock figure?

Stock and reference price show an as-of date on the page. Ask for a live confirm — allocation lines can change daily.

How do you source authentic parts?

We source from manufacturers, franchised distributors and verified independents, then inspect incoming lots. See /anti-counterfeit/.

What is a typical lead time?

In-stock lines often ship within 24–48 hours after confirmation. Sourcing / allocation ETAs are quoted per line — see /lead-time-shipping/.
BOM matching · Anti-counterfeit · Lead time & shipping

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