Engineering Guides
Practical electronics engineering guides for component selection, calculator use, circuit design, and hardware design workflows.
21 available guides
Engineering guides for resistor identification, value selection, tolerance, power rating, and practical circuit use.
2 available
Engineering guides for capacitor markings, unit conversion, dielectric selection, tolerance, voltage rating, and practical circuit use.
3 available
Engineering guides for inductor markings, inductance units, SMD codes, color bands, current ratings, DCR, saturation, and practical inductor selection.
2 available
Engineering guides for diode fundamentals, symbols, types, ratings, forward voltage, reverse voltage, rectification, protection, and practical diode selection.
2 available
Engineering guides for LED fundamentals, forward voltage, forward current, color, optical output, packages, thermal design, and practical LED circuit design.
2 available
Engineering guides for BJT fundamentals, NPN and PNP operation, transistor biasing, switching, amplification, power dissipation, and practical transistor circuit design.
2 available
Engineering guides for MOSFET fundamentals, N-channel and P-channel operation, gate drive, RDS(on), switching loss, thermal design, SOA, and power electronics applications.
2 available
Engineering guides for electrical power, voltage, current, resistance, energy, AC power, efficiency, power dissipation, batteries, and power supply design.
2 available
Engineering guides for PCB trace width, current capacity, copper thickness, voltage drop, temperature rise, vias, stackup, and board-level design constraints.
2 available
Engineering guides for electronics unit conversions, SI prefixes, engineering notation, frequency and period, RF power, wire gauge, and digital number formats.
2 available
Learn engineering unit conversions for electronics, including SI prefixes, powers of ten, engineering notation, resistance, capacitance, inductance, voltage, current, power, energy, frequency, time, PCB units, and common conversion mistakes.
Learn frequency, period, time, PWM, phase delay, angular frequency, wavelength, RPM, and signal timing conversions using reciprocal formulas and correct engineering units.
Understand PCB trace width, current capacity, copper thickness, temperature rise, trace resistance, voltage drop, I²R power loss, IPC-2221-style estimates, IPC-2152 guidance, and practical high-current routing checks.
Learn how PCB via diameter, plating thickness, board thickness, resistance, current density, parallel via arrays, voltage drop, I²R heating, thermal vias, and stackup affect reliable high-current via design.
Learn the fundamentals of electrical power, including voltage, current, resistance, watts, energy, Ohm's law, DC and AC power, efficiency, power dissipation, and practical calculations.
Learn how to calculate power dissipation and choose safe component power ratings for resistors, diodes, BJTs, MOSFETs, regulators, PCB traces, and power supplies using thermal limits, derating, and real operating conditions.
Choose MOSFETs by application, VDS, drain current, actual gate voltage, RDS(on), gate charge, switching frequency, driver capability, power loss, thermal design, package, SOA, and layout.
Learn how MOSFETs work, including N-channel and P-channel operation, gate threshold voltage, RDS(on), drain current, VGS, switching losses, power dissipation, gate charge, body diode behavior, thermal limits, SOA, and key datasheet parameters.
Learn how BJT transistors work, including NPN and PNP operation, cutoff, active and saturation regions, current gain, base current, VBE, VCE, power dissipation, packages, and practical circuit applications.
Learn how to choose and bias a BJT transistor for switching and amplifier circuits, including base current, base resistor, forced beta, saturation, Q-point, power dissipation, thermal limits, and design margin.
Learn how LEDs work and understand key LED characteristics including forward voltage, forward current, wavelength, color, luminous intensity, efficiency, LED types, packages, and applications.
Learn how to choose the right LED by application, forward voltage, current, brightness, wavelength, color temperature, viewing angle, package, power, thermal behavior, and datasheet limits.
Understand capacitance units, SI prefixes, microfarads, nanofarads, picofarads, common conversion patterns, and datasheet notation.
Learn how to identify resistor values using 4-band, 5-band, and 6-band resistor color code systems.
Learn how IEC preferred resistor values such as E3, E6, E12, E24, E48, E96, and E192 simplify circuit design and component selection.
Learn how to decode common capacitor markings, convert pF to nF and µF, understand tolerance codes, and verify capacitor values safely.
Understand common capacitor dielectric types, including C0G/NP0, X7R, X5R, Y5V, Z5U, film, electrolytic, tantalum, and silver mica, and learn where each is best used.
Learn how to read inductor SMD markings, color bands, and inductance values using H, mH, µH, and nH unit conversion.
Learn key inductor parameters including inductance, tolerance, DCR, rated current, saturation current, Q factor, SRF, package style, and core materials.
Learn diode fundamentals including diode symbols, PN junction behavior, common diode types, electrical characteristics, and practical circuit applications.
Learn how to choose the right diode for rectification, switching, protection, voltage regulation, LED driving, and high-speed applications.
