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Integrated Circuits (ICs)

Integrated circuits are the building blocks of nearly every electronic product, from power adapters and industrial controllers to medical devices and automotive systems. This category covers a wide range of sub-types, including audio special purpose ICs, clock and timing devices, data acquisition converters, embedded processors and controllers, interface transceivers, linear amplifiers, logic gates, memory chips, power management PMICs, and other specialized functions. Most designs rely on a mix of these, and sourcing them often means juggling multiple manufacturers, package styles, and lifecycle statuses at once. When buyers come to us looking for ICs, the conversation usually starts with the part number and quickly moves to date codes, packaging preferences, and whether the part is still in active production. Tape-and-reel versus tray matters more than people outside the industry might expect, especially for automated assembly lines. Lead time is another big factor. A part that shows a 26-week factory lead time might be available from franchised or independent channels in a fraction of that, but the trade-off is often price and the need for tighter quality checks. Counterfeit risk is real in this market, particularly for older or allocated parts, so traceability and incoming inspection are things experienced procurement teams ask about before placing an order. We also see a lot of requests where an engineer needs a specific grade, like automotive AEC-Q100 qualified or industrial temperature range, and the commercial-grade version simply will not work for their application. Package type, pin count, and RoHS compliance round out the usual checklist. If you are working through a BOM and want to see what we have on the shelf or what we can source, take a look at current stock on icxing.com or send us your list for a quote. We will get back to you with actual availability and pricing, not a generic auto-reply.

Frequently Asked Questions

How do I know the ICs I am buying are not counterfeit?

This is one of the most common concerns, especially for obsolete or allocated parts. Reputable distributors perform visual inspection, X-ray analysis, and sometimes decapsulation or electrical testing on high-risk lots. Ask your supplier about their quality control process and whether they can provide traceability documentation back to the original manufacturer.

What is the difference between commercial, industrial, and automotive grade ICs?

The main differences are operating temperature range and qualification standards. Commercial grade typically handles 0 to 70 degrees Celsius, industrial extends to minus 40 to 85 or higher, and automotive parts meet AEC-Q100 standards with even tighter reliability requirements. Using a commercial-grade part in an industrial or automotive design can lead to field failures, so always match the grade to your application.

The factory lead time on my part is 20 weeks. Can I get it faster?

Often yes, through franchised distributors holding stock or through independent channels that specialize in hard-to-find components. The trade-off is usually a higher unit price and the need for additional incoming inspection if the source is not franchised. Send us the part number and quantity and we can check what is actually available right now.

classification:
Image Part Manufacturer Description Stock Action
XC6503A391GR-G Torex Semiconductor Ltd.
IC REG LINEAR 3.9V...
4,700
In-stock
Inquiry
XC6503A39AGR-G Torex Semiconductor Ltd.
IC REG LINEAR 3.95V...
1,090
In-stock
Inquiry
XC6503A401GR-G Torex Semiconductor Ltd.
IC REG LINEAR 4V 5...
4,340
In-stock
Inquiry
XC6503A40AGR-G Torex Semiconductor Ltd.
IC REG LINEAR 4.05V...
3,450
In-stock
Inquiry
XC6503A411GR-G Torex Semiconductor Ltd.
IC REG LINEAR 4.1V...
3,210
In-stock
Inquiry
XC6503A41AGR-G Torex Semiconductor Ltd.
IC REG LINEAR 4.15V...
4,730
In-stock
Inquiry
XC6503A421GR-G Torex Semiconductor Ltd.
IC REG LINEAR 4.2V...
6,010
In-stock
Inquiry
XC6503A42AGR-G Torex Semiconductor Ltd.
IC REG LINEAR 4.25V...
7,890
In-stock
Inquiry
XC6503A431GR-G Torex Semiconductor Ltd.
IC REG LINEAR 4.3V...
6,400
In-stock
Inquiry
XC6503A43AGR-G Torex Semiconductor Ltd.
IC REG LINEAR 4.35V...
7,330
In-stock
Inquiry
XC6503A441GR-G Torex Semiconductor Ltd.
IC REG LINEAR 4.4V...
2,470
In-stock
Inquiry
XC6503A44AGR-G Torex Semiconductor Ltd.
IC REG LINEAR 4.45V...
3,350
In-stock
Inquiry
XC6503A451GR-G Torex Semiconductor Ltd.
IC REG LINEAR 4.5V...
1,340
In-stock
Inquiry
XC6503A45AGR-G Torex Semiconductor Ltd.
IC REG LINEAR 4.55V...
2,650
In-stock
Inquiry
XC6503A461GR-G Torex Semiconductor Ltd.
IC REG LINEAR 4.6V...
1,250
In-stock
Inquiry
XC6503A46AGR-G Torex Semiconductor Ltd.
IC REG LINEAR 4.65V...
4,310
In-stock
Inquiry
XC6503A471GR-G Torex Semiconductor Ltd.
IC REG LINEAR 4.7V...
2,790
In-stock
Inquiry
XC6503A47AGR-G Torex Semiconductor Ltd.
IC REG LINEAR 4.75V...
7,040
In-stock
Inquiry
XC6503A481GR-G Torex Semiconductor Ltd.
IC REG LINEAR 4.8V...
4,810
In-stock
Inquiry
XC6503A48AGR-G Torex Semiconductor Ltd.
IC REG LINEAR 4.85V...
1,960
In-stock
Inquiry