Industry Trends

BAT54 is one of those diode names that looks simple on a BOM but can cause confusion during replacement.The reason is easy to see.BAT54, BAT54A, BAT54C and BAT54Scan all use a SOT-23 package, but they …

When a MOSFET becomes expensive, hard to source, or simply disappears from the approved vendor list, the first search is usually obvious:“What can replace it?”That search can become misleading very

Heat is easy to underestimate in PCB design. A MOSFET may be rated for high current, an LED may produce the required light output, and a power IC may pass the first test. The problem often appears late…

TheAO3400Ais a common 30V N-channel enhancement-mode MOSFET in a SOT-23 package. It appears in load switching, battery circuits, PWM control, and other low-voltage designs.Finding anAO3400A replacement…

A crystal oscillator can look like a very simple part on a schematic. Usually, it is just a crystal connected to two MCU pins with two capacitors. In practice, this small circuit can cause unexpected p…

A TVS diode is easy to underestimate. On a BOM, it may be just one small protection component sitting next to a power input, communication line, or sensitive IC. When a transient actually occurs, howev…

When engineers choose an IC, the first things they usually check are voltage, speed, memory, current, and price.The package often comes later.That can be a problem. The package affects much more than t…

Understanding How PWM Dimming WorksPWM dimming is one of the most common methods used to control LED brightness in modern lighting systems.Instead of reducing the LED current directly, PWM (Pulse Width…

In recent component sourcing projects, three application areas appear more often than before: AR/VR devices, flexible electronics, and edge AI systems.These markets are growing, but from a component se…

Why Replacing an MCU Is More Than Finding Similar SpecificationsThe MCU is usually one of the most important components in an electronic product. It controls communication, sensors, displays, motor fun…

Why the Same 74HC595 Part Number Family May Require Different ConsiderationsWhen searching for a SN74HC595D replacement, many engineers expect a simple answer:“Can another 74HC595 device directly repl…

The Real Problem with 1117 PartsI still see people treating LM1117 and AMS1117 as the same type of regulator. Same footprint, similar price, same job. In reality the difference between LM1117 and AMS11…