How to Verify Authentic Electronic Components Before You Buy
How to verify authentic electronic components: visual, electrical, X-ray and decapsulation inspection, plus certificate and traceability supply checks.
PinCompatible Engineering Team
Guides & Insights
IC Cross Reference & Pin-to-Pin Replacement Guides
Technical guides on pin-compatible substitutes, cross-referencing obsolete ICs, package and specification matching, and sourcing discontinued parts.
Latest Posts
Linear Voltage Regulator Selection Guide
Linear voltage regulator selection guide: how to choose between linear, LDO, and switching regulators by matching voltage, current, dropout, and thermal.
PinCompatible Engineering Team
LM2596 vs LM2576: Which Buck Converter to Choose
LM2596 vs LM2576: compare the 3A buck converters by switching frequency, inductor size, efficiency, and when to choose each for your power supply.
PinCompatible Engineering Team
LM358 vs LM324: Which Op-Amp Should You Choose
LM358 vs LM324: compare the dual and quad op-amp families by supply range, bandwidth, quiescent current, and when to choose each in a circuit.
PinCompatible Engineering Team
LM7805 vs LM317: Which Voltage Regulator Fits
LM7805 vs LM317: compare the fixed 5-volt regulator and the adjustable regulator by output, current, dropout, and when to choose each for your design.
PinCompatible Engineering Team
Logic IC Equivalent: A 74-Series Replacement Guide
Logic IC equivalent guide: how to cross-reference 74-series logic parts by function number and match family, voltage, and speed for a safe substitute.
PinCompatible Engineering Team
NE555 vs NE556: Which Timer IC Do You Need
NE555 vs NE556: compare the single 555 timer and the dual 556 timer by package, pinout, supply, timing, and when to choose each for your circuit.
PinCompatible Engineering Team
Obsolete Electronic Components: An Engineers FAQ
Obsolete electronic components FAQ for engineers: what obsolete and EOL mean, how to find replacements, source originals, and plan for end-of-life parts.
PinCompatible Engineering Team
Obsolete IC Replacement: Find Alternatives and Keep Running
Obsolete IC replacement guide: how to source, substitute, or redesign around an obsolete IC, using cross-reference tools and verified sourcing.
PinCompatible Engineering Team