Every diode leaks a little current in reverse, and the number on the datasheet is almost never the number your circuit experiences. A datasheet line reading “10 µA at 25 °C” quietly assumes a specific reverse voltage, a 25 °C junction, and a room-temperature measurement; run that same diode at 125 °C and the leakage … Read more
Most students learn the half-wave and full-wave rectifier by memorizing two circuit diagrams and a sentence about efficiency. But on the bench, the difference the two topologies actually make appears on the oscilloscope screen — and the waveform tells you everything the diagram hides. On the same 50 Hz mains, a half-wave output has 50 … Read more
The fastest way to understand a bridge rectifier is to build one from four loose diodes on a breadboard — and the fastest way to smoke a part is to wire the four diodes in the wrong order. The classic four-diode bridge looks simple on a schematic and turns confusing the moment you hold four … Read more
Four discrete diodes and a bridge module are electrically equivalent and mechanically different: the discretes buy placement freedom, and the bridge buys matching die, one heat path, and one assembly step. This guide compares the BOM, the thermal consistency, the maintenance, and the decision for your production volume. Last updated: October 11, 2026 What Each … Read more
The bridge selection is made by the input, not the output: a single-phase input produces a rippling bus that needs more filtering, and a three-phase input produces a smoother six-pulse bus with different blocking and thermal numbers. This guide compares the two worlds and the sizing table. Last updated: October 11, 2026 The Input Determines … Read more
TVS vs Zener: one is rated in continuous watts, the other in pulse watts at a waveform. A 12 V rail worked example shows why they are not interchangeable.
Pulse power is a package question: the SOD-123 package protects small lines with modest energy, and the SMB carries the 600 W class with a larger body and a better heat path. This guide compares the capability bands, the board-area trade, and the selection rules. Last updated: October 16, 2026 Pulse Power Is a Package … Read more
The D2PAK is a board-mount power package whose tab and exposed pad carry the heat into the PCB, and the board design decides whether a 30 A rating is real. This guide covers the footprint, the copper and via strategy, the soldering, and the inspection that verifies the joint—using the AMBRB family as the reference. … Read more
SMD power packages look interchangeable and are not: the capability band runs from SMA through SMB and SMC to TO-277, and each rung carries a different current and a different thermal contract. This guide compares the bands, the thermal pads, the PCB requirements, and the automotive use cases. Last updated: October 11, 2026 SMD Power … Read more
Both the PDFN and the DPAK move heat through an exposed pad into the board, but they serve different current classes and pay different board costs. This guide compares the thermal numbers, the layout cost, and the assembly, and says when each package wins. Last updated: October 16, 2026 Leadless Packages Move Heat Through the … Read more
D2PAK and TO-220 are both capable 30–40 A rectifier packages, but they embody two different thermal philosophies: the D2PAK turns the PCB into the heatsink, while the TO-220 bolts to an external one. The right choice follows the product’s mechanical architecture—dense board or chassis-level cooling. This article compares the two heat paths and maps them … Read more
Which is better, a Schottky or a fast recovery diode? The answer is decided by gates, not by a topology slogan. A Schottky stores no PN-junction minority carriers, so it has essentially no PN-style reverse recovery and can beat an FRD even in hard-switched stages when its voltage, leakage, capacitance, surge, and thermal gates close; … Read more
Send the topology, current and voltage class. Good-Ark sales and application engineering will confirm the closest device, package and qualification status.