PCB Blog

Learn how the 2.2uF capacitor is used in LDO regulators, audio amplifiers & power filtering. Covers ESR stability, DC bias derating, types & selection tips.

“1uF Capacitor in Signal Coupling”, “Filtering Applications”, “PCB Layout Rules”, “Power Applications” all anchor headings Walk through any schematic for a microcontroller board, an audio

 Learn everything about the Y5V capacitor and Z5U capacitor — how they work, where they fail, when to use them, and what PCB engineers should

X7R capacitor explained: decode the EIA code, understand DC bias derating, aging effects, and temperature characteristics — with tables, tips, and design guidance. If you’ve

X2 capacitor and Y safety capacitor guide for engineers: classifications, EMI suppression, leakage limits, PCB layout rules, certification requirements, and selection tables. Every switching power

Learn how variable capacitors work in radio circuits. Covers air variables, varactor diodes, trimmer types, VCO design, antenna tuning, and practical selection guidance. Walk into

Learn what a trimmer capacitor is, how to adjust it without damaging it, and where it’s used in RF circuits. Covers ceramic, mica, piston types

Complete guide to tantalum capacitors: advantages, field crystallization risks, voltage derating rules, MnO₂ vs polymer comparison, and safe PCB design tips. Ask a PCB engineer

Complete supercapacitor guide: how EDLCs work, sizing calculations, circuit integration, and real-world applications. Engineer-written with tables, formulas, and key resources. If you’ve ever tried to

Silver mica capacitors offer unmatched Q factor and precision for HF/VHF RF circuits. Engineer’s guide covering construction, Q data, applications, selection tips, and top resources.

Learn how a pulse capacitor works, how to select one for high-energy applications, and why parameters like ESR, ESL, and voltage reversal make or break

Discover why PTFE capacitors are the top choice for microwave and high-frequency PCB designs. This engineer-written guide covers PTFE capacitor properties, Q factor comparisons, application

PPS capacitor guide for PCB engineers: specs, SMD reflow compatibility, how it compares to C0G and polypropylene, key applications, and top manufacturer sources. When precision

Complete guide to polystyrene capacitors: key specs, why they excelled in precision audio and timing circuits, why they’re obsolete, and the best modern replacements. There

Polypropylene capacitors offer near-zero dielectric absorption, flat voltage coefficient, and ultra-low dissipation factor — here’s why PCB engineers choose them for audio, RF, and power

Learn why polymer capacitors outperform standard electrolytics in DC-DC converters. Covers ESR data, ripple current, lifetime, polymer vs MLCC, and top design resources. If you’ve

Complete guide to polyester capacitors (Mylar/PET): key specs, temperature coefficient limits, uses in coupling and timing, and when to choose polypropylene instead. There is a

Discover why the niobium capacitor is becoming the go-to safer alternative to tantalum on modern PCBs — covering construction, self-arresting failure modes, derating rules, ESR,