ELECTRONIC COMPONENT
SOURCING & BOM
Search part numbers and source shortage, EOL, and hard-to-find components for OEM, EMS, and procurement teams
Hot Parts
Frequently requested part numbers. Click to view details or continue to the full list.
Electronic Components & BOM Procurement
Search part numbers and source shortage, EOL, and hard-to-find components for OEM, EMS, and procurement teams.
IC-ONLINE,
electronic component
sourcing & BOM
SHORTAGE & HARD-TO-FIND
When allocation, EOL, or long lead times block production, we help locate sourcing options and reduce downtime risk.
BOM PROCUREMENT
Upload your BOM for consolidated sourcing across manufacturers and categories—built for NPI, volume buys, and cost-sensitive procurement.
ORIGINAL QUALITY
Independent distribution with inspection and authenticity controls—so every RFQ is backed by process, not just a stock claim.
Blog
Learn about our latest news

What You Need to Know About ESR Capacitance
ESR capacitance is the internal resistance in capacitors that affects power loss, heating, and filtering. Learn how it impacts circuit performance and part selection.

How the Continuity Symbol on a Multimeter Shapes Electronic Behavior
What is the continuity symbol on a multimeter? It's the sound wave icon that beeps when a circuit is complete, helping you test wires, fuses, and switches.
CSD17309Q3 Datasheet, Pinout, and Lot Verification Checks for OEM Buyers
CSD17309Q3 pinout, package, and datasheet limits buyers actually check — plus lot inspection notes. Request a quote on IC-Online; no invented stock claims.
2026 Microprocessor Sourcing for OEM Buyers: AI, Chiplet Architectures, and Inspection Checks
Buyer-side specification, inspection, and RFQ checks on this technical topic. Not a hobby explainer. Request a quote on IC-Online.
Counterfeit IC Risk Mitigation for Procurement Teams: How to Specify, Inspect, and RFQ
Buyer-side specification, inspection, and RFQ checks on this technical topic. Not a hobby explainer. Request a quote on IC-Online.
Capacitor Positive and Negative Points for Electronic Operation
Polarized capacitors have fixed positive and negative terminals; non-polarized do not. Learn to identify capacitor negative and positive leads to avoid damage.

