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
SK8120GNY Fairchild Semiconductor
SK8120GNY
1,210
In-stock
Inquiry
STX9MX Fairchild Semiconductor
STX9MX
6,100
In-stock
Inquiry
TMC3211G1F Fairchild Semiconductor
PLEASE CONTACT F...
7,450
In-stock
Inquiry
SMC0517 Fairchild Semiconductor
SMC0517
3,140
In-stock
Inquiry
FZWZ004A Fairchild Semiconductor
FZWZ004A
2,120
In-stock
Inquiry
CD40478CMX Fairchild Semiconductor
CD40478CMX
4,640
In-stock
Inquiry
RA9117 Fairchild Semiconductor
RA9117
5,340
In-stock
Inquiry
H11SBDXM Fairchild Semiconductor
H11SBDXM
5,480
In-stock
Inquiry
RC4559MT Fairchild Semiconductor
RC4559MT
1,480
In-stock
Inquiry
RA9100 Fairchild Semiconductor
RA9100
2,160
In-stock
Inquiry
NC7XZ374P6X Fairchild Semiconductor
NC7XZ374P6X
5,650
In-stock
Inquiry
RHRD660S9A-W49010A Fairchild Semiconductor
RHRD660S9A-W49010A
7,000
In-stock
Inquiry
DMLS90MX Fairchild Semiconductor
DMLS90MX
3,680
In-stock
Inquiry
S13N_MMBT4401 Fairchild Semiconductor
S13N_MMBT4401
4,250
In-stock
Inquiry
NBC9615 Fairchild Semiconductor
NBC9615
1,900
In-stock
Inquiry
74F724PC Fairchild Semiconductor
74F724PC
2,680
In-stock
Inquiry
DMLS75MX Fairchild Semiconductor
DMLS75MX
1,930
In-stock
Inquiry
S50QG_MPF102 Fairchild Semiconductor
S50QG_MPF102
7,020
In-stock
Inquiry
DM4LS05N Fairchild Semiconductor
DM4LS05N
4,940
In-stock
Inquiry
NC7ST86_TAB3066B Fairchild Semiconductor
NC7ST86_TAB3066B
6,430
In-stock
Inquiry