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Nonvolatile static RAM (SRAM) memory and some portable devices require an onboard backup source of power to prevent data loss. Lithium or lithium cell batteries in snap-in, surface mount or through-hole configuration can last up to a decade as power backups. Some use mounting bases for simplified replacement or include a crystal for timekeeping RAMs.

Choose a reed relay for signal switching. Understand hot and cold switching, leakage, contact resistance, isolation and measurement settling requirements.
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Manchester, New Hampshire, USA – March 22, 2026 – Allegro MicroSystems, Inc. (Nasdaq: ALGM), a global leader in high-performance power and sensing semiconductor solutions…
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WILMINGTON, Mass. – July 3, 2026 – Analog Devices, Inc. (ADI), the global leading supplier of high-performance analog, mixed-signal and signal processing semiconductors, has…
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Compare rheostat and potentiometer wiring and functions. Understand divider loading, wiper current, track power and practical component selection.
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Select power transformers by input frequency, secondary VA, rectifier load, isolation, regulation and inrush. Build a clearer specification for your next RFQ.
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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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In embedded design, the tug-of-war between cost and performance is constant. On one side, you have Microcontrollers (MCUs)—cheap, simple, and efficient. On the other,…
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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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Stay ahead with ChipApex Insights — technical deep dives, market trends, and sourcing tips for memory, microcontrollers, power management, and industrial-grade components. Trusted by…
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See when an inductor behaves linearly, how DC bias and saturation reduce inductance, and which current and temperature curves to check.
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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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Select a common mode choke using noise frequency, current, insulation and signal integrity. Understand impedance curves, layout and filter limitations.
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