ELECTRONIC COMPONENT
SOURCING & BOM
Search part numbers and source shortage, EOL, and hard-to-find components for OEM, EMS, and procurement teams
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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.
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The Formula for Capacitance in Series and Its Applications
The formula for capacitance in series is 1/C_total = 1/C1 + 1/C2 + ... + 1/Cn. Total capacitance is always less than the smallest capacitor, and voltage divides inversely.
BSS138: Package, Specs, and How Buyers Verify Lots
BSS138 pinout, package, and datasheet limits buyers actually check — plus lot inspection notes. Request a quote on IC-Online; no invented stock claims.
BC557 Transistor Buyer’s Guide: Datasheet Parameters, Pinout Verification, and Incoming Inspection Steps for OEMs
BC557 pinout, package, and datasheet limits buyers actually check — plus lot inspection notes. Request a quote on IC-Online; no invented stock claims.
microcontroller unit
One procurement checklist: shortage lines, incoming inspection, and alternate qualification. Prefer a part-number RFQ over another BOM-upload explainer.
Evaporation Leak Code Explained for Consumer and Industrial Electronics
An evaporation leak code signals vapor escaping a sealed system. It applies to consumer and industrial electronics for leak detection and compliance.
How to Diagnose a Bad Starter Solenoid
How do I know if my starter solenoid is bad? A single click, silence, or rapid clicking are key signs. Test with a multimeter or jump test to confirm.