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— IC芯片 | 连接器 | 传感器 | 被动器件 —

Products within this family are Light Emitting Diode (LED) devices that are mechanically packaged for convenient use as visual indicators in various formats, ranging from single LEDs that are commonly used for indicating the power-on status of a device, to multi-segment devices used to create simple bar graph displays that are useful for communicating information such as the level of fluid remaining in a tank, or amount of charge remaining in a battery.

Learn the relay definition, coil and contact operation, NO and NC forms, load ratings and suppression choices. Compare mechanical, reed and solid-state types.
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WILMINGTON, Mass. – August 11, 2026 — Analog Devices, Inc. (NASDAQ: ADI), the global leading supplier of high-performance analog, mixed-signal and digital signal processing…
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Learn why PTC resistance rises with temperature, how it differs from NTC, and which ratings matter for sensing and protection.
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Understand RF attenuator dB values, fixed and programmable types, impedance, power limits and noise tradeoffs before choosing parts for an RF signal path.
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ChipApex – May 8, 2026 Texas Instruments (TI), the global leader in analog and embedded semiconductors, has officially notified customers of an upcoming company-wide…
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Recently, the global electronic components market has been constantly evolving, and different regions and enterprises have witnessed new moves in aspects such as technological…
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Recently, the global electronic component market has witnessed a series of new developments. The strategic layouts and market collaborations of major enterprises are constantly…
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In the world of electronics, memory components play a critical role in system performance—and DRAM (Dynamic Random-Access Memory) is one of the most widely…
Read MoreSeptember 16, 2026 – Global — Leading semiconductor manufacturer ON Semiconductor (onsemi, NASDAQ: ON) has officially issued a formal price adjustment letter to global…
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Understand thermal fuse operation, Tf, Th and Tm, electrical ratings and mounting. Check temperature limits and replacement requirements for your design.
Read MoreMay 8, 2026 – Eindhoven, Netherlands NXP Semiconductors (NXPI), a global leader in automotive and industrial semiconductor solutions, has officially notified its worldwide channel…
Read MoreMay 4, 2026 — The global power semiconductor market is grappling with a worsening supply crunch, as lead times for key components have extended…
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