SEARCH
— IC芯片 | 连接器 | 传感器 | 被动器件 —

Keypad switches are human interface modules with a button switch matrix for direct user input to a CPU, microcontroller or keypad controller and may include a display for user information and instruction. Keypads are selected by the column and row matrix, number of keys, legend, dimension and mounting type. Output types include CAN Bus, matrix, independent switch contact (parallel), onboard controller output, USB and Weigand.

Learn why PTC resistance rises with temperature, how it differs from NTC, and which ratings matter for sensing and protection.
Read More
Understand how oscillators generate timing signals, how they differ from crystals, and which frequency, output and stability specs matter when choosing one.
Read More
Samsung Electronics, the world’s largest memory chip manufacturer, has officially confirmed the end-of-life (EOL) for its LPDDR4 and LPDDR4X low-power DRAM products, marking a…
Read More
Choose a rocker switch by AC/DC ratings, contact arrangement, illumination, panel fit and sealing. Get practical checks for engineering and component sourcing.
Read More
Every audio power amplifier design starts with the same fundamental challenge: converting a low-voltage line-level signal into the high-current drive required by a reactive…
Read MoreLatest updates from leading semiconductor manufacturers: Wolfspeed launches new SiC modules, AMD reveals MI430X with HBM4, TSMC eyes third Japan fab, and Samsung samples…
Read More
PLANO, Texas – March 20, 2026 – Diodes Incorporated (Nasdaq: DIOD), a leading global manufacturer and supplier of high-quality application-specific standard products in the…
Read More
Understand UART protocol framing, baud rate and electrical interfaces. Learn 8N1 timing, TX/RX wiring, buffering and practical troubleshooting steps.
Read More
Choose logic inverter ICs by thresholds, supply, output drive and delay. Compare standard and Schmitt-trigger inputs, power sequencing and replacement checks.
Read More
Vishay Intertechnology, Inc., a global leader in discrete semiconductors and passive electronic components, has officially announced a price adjustment for its Metal-Oxide-Semiconductor Field-Effect Transistors…
Read More
Understand tactile switches, PCB and keyboard differences, four-pin wiring, debounce, force, travel and replacement checks for reliable control inputs.
Read More
Learn the relay definition, coil and contact operation, NO and NC forms, load ratings and suppression choices. Compare mechanical, reed and solid-state types.
Read More