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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
PTB48560CAZ-NS National Semiconductor
DC-DC REGULATED P...
2,470
In-stock
Inquiry
LM1771UMM National Semiconductor
SWITCHING CONTRO...
4,090
In-stock
Inquiry
LM3677LEE-1.82/NOPB National Semiconductor
SWITCHING CONTRO...
6,790
In-stock
Inquiry
LM3370TL-3806/NOPB National Semiconductor
DUAL SWITCHING C...
2,690
In-stock
Inquiry
LM1771TSD/NOPB National Semiconductor
LM1771 LOW-VOLTAGE...
3,710
In-stock
Inquiry
LM2622MMX-ADJ National Semiconductor
LM2622 600KHZ/1.3MHZ S...
7,700
In-stock
Inquiry
LM3691TL-1.8 National Semiconductor
SWITCHING REGULA...
2,740
In-stock
Inquiry
LM3743MM-1000/NOPB National Semiconductor
LM3743 HIGH-PERFOR...
4,600
In-stock
Inquiry
LM3477AMMX/NOPB National Semiconductor
LM3477 HIGH EFFICI...
2,440
In-stock
Inquiry
LM2748MTC/NOPB National Semiconductor
LM2748 1-14V, VOLTAGE...
4,980
In-stock
Inquiry
LM5041ASD/NOPB National Semiconductor
LM5041A CASCADED P...
6,800
In-stock
Inquiry
LM22679TJ-5.0 National Semiconductor
SWITCHING REGULA...
5,700
In-stock
Inquiry
LM5041AMTC/NOPB National Semiconductor
LM5041A CASCADED P...
6,960
In-stock
Inquiry
LM2647LQ/NOPB National Semiconductor
LM2647 DUAL SYNCHR...
4,060
In-stock
Inquiry
LM5642MTC National Semiconductor
LM5642 4.5-36V, CURREN...
3,410
In-stock
Inquiry
LMS1145M National Semiconductor
SWITCHING CONTRO...
1,010
In-stock
Inquiry
LM27241MTC National Semiconductor
SWITCHING CONTRO...
4,520
In-stock
Inquiry
LM3485MM National Semiconductor
0.1A, 1000KHZ PDSO8
2,110
In-stock
Inquiry
LM3495MTC National Semiconductor
1500KHZ MOS, PDSO16
7,220
In-stock
Inquiry
LM3489MMX National Semiconductor
0.44A, 1000KHZ PDSO8
3,530
In-stock
Inquiry