PCB Blog

Glass capacitors offer military-grade stability, high Q, and hermetic sealing for extreme RF environments. Engineer’s guide covering specs, MIL-PRF-23269, applications, and selection. Ask any RF

A complete guide to film capacitors for PCB engineers — covering all dielectric types (PET, PP, PPS, PEN, PS), construction methods, self-healing, key specs, pros

Learn how a feedthrough capacitor works, when to use it for EMI filtering, and how to select the right type for your PCB design. Practical

Complete guide to aluminum electrolytic capacitors: how they work, liquid vs polymer types, ESR, ripple current, lifespan, failure modes, and selection tips. If there is

Wangling PCB explained: full breakdown of F4B, F4BTM, WL-CT and TP material series, key specs tables, and honest head-to-head comparison vs Rogers RO4350B and RT/duroid

Kingboard PCB materials explained by engineers, for engineers. This complete 2026 guide covers all FR-4, CEM-1, CEM-3 laminate grades (KB-6160, KB-6167, KB-616XF), surface finishes, Tg

A PCB engineer’s guide to Panasonic PCB materials — MEGTRON, FELIOS & XPEDION series explained with specs tables, application comparisons, and selection tips. If you’ve

ITEQ PCB laminates explained — full product range, specs, Dk/Df tables, IT-180A vs competitors, and how to choose the right material for your design. If

Learn what a C0G capacitor (NP0) is, how it differs from X7R, and exactly when to use it in RF, timing, and precision circuits —

Learn what the 470pF capacitor code 471 means, its uses in VHF filtering, HF bypass, and EMI suppression, how to choose C0G vs X7R dielectric,

The 220 pF capacitor (code 221) is used in HF filters, RC snubbers & signal coupling. Learn code decoding, dielectric selection, reactance tables & PCB

Learn what the 100pF capacitor code 101 means, where it’s used in RF bypass, VHF/UHF filters and impedance matching, how to choose C0G vs X7R,

The 47 pF capacitor (code 470) is used in crystal oscillators, VHF filters & RF matching. Learn decoding, C0G vs X7R, load calculations, and PCB

A 33 pF capacitor delivers ~5 Ω at 900 MHz, making it essential for RF bypass, crystal load tuning, and ISM-band filtering. Full guide with

Learn why the 22pF capacitor is the crystal oscillator standard, how to calculate the correct load capacitance for your design, when 22pF is wrong, and

Scroll through any microcontroller reference schematic and you’ll find a pair of identical capacitors flanking a quartz crystal — both labeled 10 pF. Look at

Everything you need to know about the 4.7pF capacitor: RF matching, crystal oscillator load capacitance, C0G vs X7R dielectric, 0402 vs 0201 package selection, real

Decode capacitor code 472, select C0G vs X7R dielectric, and calculate RC filter cutoffs for the 4.7nF capacitor — practical guide from a PCB engineer’s