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
FSGM0465RSUDTU Fairchild Semiconductor
1.96A, 72KHZ SWITCHI...
6,390
In-stock
Inquiry
FAN5018MTCX Fairchild Semiconductor
SWITCHING CONTRO...
2,690
In-stock
Inquiry
FSGM0465RSLDTU Fairchild Semiconductor
1.96A, 72KHZ SWITCHI...
5,000
In-stock
Inquiry
FMS7401LEN14 Fairchild Semiconductor
8-BIT, EEPROM, 2.04M...
3,700
In-stock
Inquiry
ML4823CQX Fairchild Semiconductor
HIGH FREQUENCY P...
3,600
In-stock
Inquiry
ML4815CP Fairchild Semiconductor
2A, 2000KHZ PDIP16
5,570
In-stock
Inquiry
FSB50450L Fairchild Semiconductor
AC MOTOR CONTROL...
2,700
In-stock
Inquiry
FSB50550AD Fairchild Semiconductor
AC MOTOR CONTROL...
1,180
In-stock
Inquiry
FAN7602CAM Fairchild Semiconductor
SWITCHING CONTRO...
4,080
In-stock
Inquiry
FSQ500SL Fairchild Semiconductor
SWITCHING CONTRO...
6,700
In-stock
Inquiry
FAN6748MLMY Fairchild Semiconductor
IC PWM CONTROLLE...
6,010
In-stock
Inquiry
FAN6752WMY Fairchild Semiconductor
HIGHLY INTEGRATE...
2,410
In-stock
Inquiry
ML4895ESX Fairchild Semiconductor
SYNCHRONOUS BUCK...
3,070
In-stock
Inquiry
ML4863CSX Fairchild Semiconductor
HIGH EFFICIENCY ...
7,860
In-stock
Inquiry
ML4902CTX Fairchild Semiconductor
HIGH CURRENT SYN...
2,280
In-stock
Inquiry
ML4822CSX Fairchild Semiconductor
ZVS AVERAGE CURR...
5,680
In-stock
Inquiry
FAN5242MTC Fairchild Semiconductor
SWITCHING CONTRO...
1,840
In-stock
Inquiry
FMS7401LVN Fairchild Semiconductor
8-BIT, EEPROM, 2.04M...
2,840
In-stock
Inquiry
FMS7401LVN14 Fairchild Semiconductor
8-BIT, EEPROM, 2.04M...
6,820
In-stock
Inquiry
FMS7401LEN Fairchild Semiconductor
8-BIT, EEPROM, 2.04M...
3,530
In-stock
Inquiry