Integrated Circuits (ICs)

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.

Image Part Manufacturer Description Stock Action
FSUSB22MTC Fairchild Semiconductor
DPDT, 2 FUNC, 1 CHA...
5,280
In-stock
Inquiry
FHP3194IMTC14X Fairchild Semiconductor
SINGLE-ENDED MUX...
6,530
In-stock
Inquiry
FTCS120PS4PC Fairchild Semiconductor
FTCS120PS4PC
4,460
In-stock
Inquiry
FSA2367MTCX Fairchild Semiconductor
SPDT, 3 FUNC, 1 CHA...
7,550
In-stock
Inquiry
FSAV331MTC Fairchild Semiconductor
VIDEO MULTIPLEXE...
4,670
In-stock
Inquiry
FSA2380MTCX Fairchild Semiconductor
AUDIO/VIDEO SWIT...
4,800
In-stock
Inquiry
FSUSB30BQX Fairchild Semiconductor
DPDT, 1 FUNC, 2 CHA...
4,120
In-stock
Inquiry
FSA223UMX Fairchild Semiconductor
MULTIMEDIA AND U...
2,010
In-stock
Inquiry
FSUSB43L10X-F131 Fairchild Semiconductor
LOW POWER, TWO-PO...
3,660
In-stock
Inquiry
FAN5907UCX Fairchild Semiconductor
FAN5907UCX
7,490
In-stock
Inquiry
FSA2380MTC Fairchild Semiconductor
LOW RON (0.75 OHM) 3:...
2,930
In-stock
Inquiry
FAN5000AMX Fairchild Semiconductor
FAN5000AMX
4,810
In-stock
Inquiry
FAN503MTCX Fairchild Semiconductor
FAN503MTCX
3,090
In-stock
Inquiry
FTBVP5SH50 Fairchild Semiconductor
FTBVP5SH50
2,020
In-stock
Inquiry
FSA2567UMX-F135 Fairchild Semiconductor
LOW POWER, DUAL S...
6,950
In-stock
Inquiry
FSA3000L10X-F131 Fairchild Semiconductor
TWO-PORT, HIGH-SP...
2,120
In-stock
Inquiry
FSUSB42UMX Fairchild Semiconductor
LOW POWER, TWO-PO...
5,320
In-stock
Inquiry
FSA2567MPX Fairchild Semiconductor
LOW POWER, DUAL S...
3,790
In-stock
Inquiry
FSUSB30MUX Fairchild Semiconductor
LOW-POWER 2-PORT H...
3,890
In-stock
Inquiry
FUSB252UMX Fairchild Semiconductor
POWER SUPPLY SUP...
7,840
In-stock
Inquiry