Amy's Column

Solder Mask Opening and One-Stop PCB Manufacturing Without Hassles (Part 3)

Solder Mask Opening and One-Stop PCB Manufacturing Without Hassles (Part 3)

Part 3: What is the Size of Solder Mask OpeningDuring PCB manufacturing, the solder mask opening size should be larger than the pads or copper area...

Ultimate Guide of PCB Solder Mask Opening Updated in 2022 (Part 2)

Ultimate Guide of PCB Solder Mask Opening Updated in 2022 (Part 2)

Part 2: When Do You Create Solder Mask OpeningSolder mask opening is required for the below four situations.Solder mask opening for PCB padsPCB pad...

Ultimate Guide of PCB Solder Mask Opening Updated in 2022 (Part1)

Ultimate Guide of PCB Solder Mask Opening Updated in 2022 (Part1)

Part1: What is PCB Solder Mask Opening Solder mask is a PCB oil layer that covers the copper wires and PCB materials to insulate and protect the PC...

PCB Layout Power Amplifier

PCB Layout Power Amplifier

Power Amplifier APEX BA1200 PCB this is a driver PCB power amp, you must add the final transistor for this amplifier. The output power is quite lar...

One-Stop PCB Assembly Example 2 - AIoT Face Recognition Mainboard PCBA

One-Stop PCB Assembly Example 2 - AIoT Face Recognition Mainboard PCBA

The image is an AIoT face recognition mainboard manufactured from PCBHERO. These image process module boards are developed based on Rockchip.In thi...

One-Stop PCB Assembly Example 1 - CCD Camera PCB Assembly

One-Stop PCB Assembly Example 1 - CCD Camera PCB Assembly

The above image shows the one-stop PCB assembly of CCD (charge-coupled device) camera mainboards. PCBHERO does the electronics hardware building f...

SMD Polarity Identification of LED, Capacitor, Diode, Inductor, IC(Part7)

SMD Polarity Identification of LED, Capacitor, Diode, Inductor, IC(Part7)

 SMD IC Polarity Identification All ICs (including BGAs) are polarized. Below we list the polarity identification methods for IC packages BGA, SOIC...

SMD Polarity Identification of LED, Capacitor, Diode, Inductor, IC (Part6.)

SMD Polarity Identification of LED, Capacitor, Diode, Inductor, IC (Part6.)

SMD Inductor Polarity Identification There are 2 types of SMD inductors. Chip inductors are non-polarized components. Multi-pin inductors are pola...

SMD Polarity Identification of LED, Capacitor, Diode, Inductor, IC(Part 5)

SMD Polarity Identification of LED, Capacitor, Diode, Inductor, IC(Part 5)

 SMD Diode Polarity Identification SMD diode polarity is marked by: 1. The negative electrode of the diode is marked by a color strip. 2. The neg...

SMD Polarity Identification of LED, Capacitor, Diode, Inductor, IC (Part 4)

SMD Polarity Identification of LED, Capacitor, Diode, Inductor, IC (Part 4)

SMD LED Polarity Identification The positive/negative electrode of LEDs must be in the same direction as the positive/negative electrode of the PCB...

SMD Polarity Identification of LED, Capacitor, Diode, Inductor, IC (Part 3)

SMD Polarity Identification of LED, Capacitor, Diode, Inductor, IC (Part 3)

There are 3 types of SMD capacitors. Ceramic capacitors are non-polarized components. Tantalum capacitors and aluminum electrolytic capacitors have...

SMD Polarity Identification of LED, Capacitor, Diode, Inductor, IC(part 1)

SMD Polarity Identification of LED, Capacitor, Diode, Inductor, IC(part 1)

What is SMD Polarity? Polarity means the direction of SMD components when soldering on printed circuit boards. SMD polarity has two meanings as bel...