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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
LP3966ES-3.3 National Semiconductor
LP3966 3A FAST ULTR...
4,300
In-stock
Inquiry
LP3853ESX-1.8/NOPB National Semiconductor
IC REG LIN 1.8V 3A D...
4,590
In-stock
Inquiry
LP3873ES-2.5 National Semiconductor
LP3873 3A FAST ULTR...
6,410
In-stock
Inquiry
LP3853ES-1.8 National Semiconductor
LP3853 3A FAST ULTR...
7,250
In-stock
Inquiry
LM317AH National Semiconductor
IC REG LIN POS AD...
6,240
In-stock
Inquiry
LM323KSTEEL National Semiconductor
IC REG LINEAR FIX...
2,390
In-stock
Inquiry
LM140LAH-15/883 National Semiconductor
LM140LQML MILITAR...
1,870
In-stock
Inquiry
LM309K STEEL National Semiconductor
IC REG LINEAR 5.05V...
1,200
In-stock
Inquiry
JM38510/10201SCA National Semiconductor
LM723JAN-SP SPACE ...
6,450
In-stock
Inquiry
5962R9951703VXA National Semiconductor
LM117QML-SP SPACE ...
4,780
In-stock
Inquiry
5962R0722961VXA National Semiconductor
IC REG LINEAR ADJ...
7,840
In-stock
Inquiry
LM317LIBP National Semiconductor
IC REG LIN POS AD...
6,240
In-stock
Inquiry
LM2931CMX National Semiconductor
IC REG LIN POS AD...
7,630
In-stock
Inquiry
LM78L15ACM National Semiconductor
IC REG LIN FIXED ...
2,570
In-stock
Inquiry
LP2980IM5-2.8/NOPB National Semiconductor
IC REG LINEAR 2.8V...
4,260
In-stock
Inquiry
LP2951ACMMX-3.0 National Semiconductor
IC REG LIN POS AD...
7,100
In-stock
Inquiry
LP3966ET-1.8/NOPB National Semiconductor
IC REG LINEAR 1.8V...
7,510
In-stock
Inquiry
LM2941T/LB03 National Semiconductor
IC REG LINEAR POS...
1,970
In-stock
Inquiry
LMS1585AISX-1.5/NOPB National Semiconductor
IC REG LIN 1.5V 5A D...
4,310
In-stock
Inquiry
LP8345CLD-2.5/NOPB National Semiconductor
IC REG LINEAR 2.5V...
3,500
In-stock
Inquiry