Semiconductors
Bring your ideas to life! We offer a comprehensive selection of semiconductors / active components from industry leaders like Texas Instruments, Analog Devices, and ON Semiconductor. Transistors, diodes, and more – find the perfect building blocks for your next project, all conveniently available in one place. Stop searching and start creating!
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Frequently Asked Questions About Semiconductors & Active Components
How does ASC verify that semiconductors sourced outside of authorized channels are genuine?
ASC holds AS 6081:2012 certification, which sets the standard for counterfeit avoidance in distributor supply chains. Every order goes through a documented multi-stage quality control process that covers incoming inspection, external visual inspection, X-ray and XRF analysis, and electrical testing. When additional scrutiny is warranted, ASC's Shenzhen testing lab can perform decapsulation and die analysis, scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDX) to verify that the die matches the manufacturer's known good reference. ASC also maintains a parts history database built since 1997, which gives engineers a baseline for comparing incoming lots against documented originals. For programs that require it, ASC's third-party laboratory partners are accredited to IDEA-ICE-3000, MIL-STD-750, and MIL-STD-883, and can produce test reports to those standards.
ASC operates as both a franchised distributor and an independent global sourcing partner. What does that mean for a procurement team?
The distinction matters for traceability and pricing structure. For parts covered by ASC's authorized lines, which include manufacturers such as Diotec Semiconductor, OptiFuse, and Western Digital, ASC sells as a franchised distributor. That means direct manufacturer traceability, access to volume pricing arrangements, and support for yearly contracts. For parts outside those authorized lines, including components that are hard to find, on allocation, or out of production, ASC sources through its global network of 2,000+ manufacturers and suppliers across nine offices worldwide. Both channels run through the same quality inspection process before anything ships. When you submit an RFQ, ASC's team identifies which path applies to your specific part numbers and quotes accordingly.
Our supplier is quoting us 20-plus weeks on a semiconductor we need now. Can ASC source it faster?
Extended lead times from franchised channels are one of the most common reasons customers come to ASC. Because ASC operates sourcing offices across nine locations, including the US, UK, Poland, Germany, Italy, Hungary, Mexico, Hong Kong, and Shenzhen simultaneously, the team has concurrent visibility into inventory across multiple regional markets rather than a single distributor's stock position. In one documented case, ASC sourced battery management system ICs at a 5-week lead time for a customer facing a 12-week lead time on critical BMS ICs needed for an EV launch. Lead times vary by part number and current market conditions, but submitting an RFQ gives ASC's team what they need to search across their full supplier network and give you an accurate picture quickly.
A key semiconductor on our BOM has been discontinued. Can ASC help find a replacement without a board redesign?
Finding pin-compatible or functionally equivalent alternatives for discontinued parts is one of ASC's core engineering support services. When a component hits end-of-life, ASC's team cross-references alternatives based on package type, pinout, electrical specifications, and temperature ratings to identify options that do not require PCB rework. The scale of that work varies by program. In one aerospace and defense program, ASC cross-referenced over 350 legacy and EOL components to find drop-in replacements for a single system. For regulated industries, ASC can also validate that replacement semiconductors meet the same environmental and functional qualifications as the original part, including documentation to support your approval process.
Does ASC carry semiconductors qualified for aerospace, defense, or medical applications?
Yes. ASC sources and tests semiconductors for regulated industries and holds AS 9120:2016 certification, which covers quality management for distributors serving aerospace and defense supply chains. ASC's third-party testing labs can perform electrical and environmental testing to MIL-STD-750 and MIL-STD-883 and provide pre-screened components with documented certification history for avionics, ground vehicle, and defense programs. For medical applications, ASC has sourced high-reliability analog ICs with a 99.5% quality assurance rate and established rolling inventory programs to support uninterrupted production for medical device manufacturers. For automotive applications, ASC has sourced BMS ICs under accelerated timelines and performed cross-referencing across 150+ IC part numbers to support EV production programs.
We're evaluating ASC alongside larger broadline distributors. What's the practical difference for a sourcing team managing a complex BOM?
Broadline distributors are optimized for active, in-production parts from their franchised lines. They work well when your BOM is stable, and your parts are readily available. Where they fall short is in allocation periods, EOL or obsolete parts and anything requiring cross-referencing or custom sourcing. ASC covers both ends. The team can source from authorized lines for standard requirements and pivot to global sourcing for anything that falls outside normal availability, without handing the problem to a different vendor. ASC also has in-house engineering support for cross-referencing and an on-site quality-testing lab, so your team doesn't have to manage three separate relationships to solve one supply chain problem.