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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
LM139AWGRQMLV National Semiconductor
LM139AQML-SP LOW P...
1,730
In-stock
Inquiry
LM193AJ/883 National Semiconductor
LM193QML LOW POWER...
5,740
In-stock
Inquiry
LM393M/NOPB National Semiconductor
LM393-N LOW POWER L...
5,130
In-stock
Inquiry
LM2903VQPWRQ1 National Semiconductor
LM2903-Q1 AEC-Q100, GR...
7,460
In-stock
Inquiry
LMV7239QM7X/NOPB National Semiconductor
LMV7239-Q1 75 NSEC, U...
3,800
In-stock
Inquiry
LM2903MX/NOPB National Semiconductor
LM2903-N LOW OFFSET...
4,410
In-stock
Inquiry
LMV331M7/NOPB National Semiconductor
LMV331-N SINGLE GE...
5,560
In-stock
Inquiry
LMV761MF/NOPB National Semiconductor
LMV761 SINGLE HIGH...
5,140
In-stock
Inquiry
LMV761MFX/NOPB National Semiconductor
LMV761 SINGLE HIGH...
2,760
In-stock
Inquiry
LM339N/NOPB National Semiconductor
LM339-N LOW POWER L...
4,270
In-stock
Inquiry
LM139AJB National Semiconductor
LM139A-MIL QUAD DI...
5,250
In-stock
Inquiry
LMV331M5X/NOPB National Semiconductor
LMV331-N SINGLE GE...
6,450
In-stock
Inquiry
LM2903M/NOPB National Semiconductor
LM2903-N LOW OFFSET...
3,400
In-stock
Inquiry
LMV7219M7 National Semiconductor
LMV7219 7 NSEC, 2.7V T...
2,210
In-stock
Inquiry
LMC7211AIM5X National Semiconductor
LMC7211-N LOW POWER...
1,010
In-stock
Inquiry
5962R9673801VXA National Semiconductor
LM139AQML-SP LOW P...
6,190
In-stock
Inquiry
LM339N National Semiconductor
LM339 QUAD DIFFERE...
7,820
In-stock
Inquiry
LM2901MX National Semiconductor
LM2901-N LOW OFFSET...
7,180
In-stock
Inquiry
LM319M National Semiconductor
LM319-N DUAL HIGH S...
2,440
In-stock
Inquiry
LM1246AAC/NA/NOPB National Semiconductor
VIDEO AMPLIFIER
3,950
In-stock
Inquiry