Electronics

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iC-Haus GmbH (Bodenheim, Germany) offers a 4- 36 V buck/boost DC/DC converter with two programmable voltages ranging from 1.5V to 5.5V for the compact voltage supply of industrial sensors and small subsystems. It achieves a residual ripple of typically 10 mVpp – suitable for the supply of precision analog circuits. The buck/boost switching converter technology used here makes any distinction between devices supplied with 5V or 10-30V unnecessary, as a steady +5V supply is provided for sensor electronics. The two independently adjustable output voltages Vcc1 and Vcc2 can provide a total of 300 mA and supply digital and analog circuit components separately. The switching converter typically operates at 3 MHz, reducing the size of the external coil to approx. 2 mm × 2 mm and that of the external back-up capacitors to a few microfarads while adhering to the EMC requirement for industrial sensors.
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AVX Corporation (Greenville, SC) offers the Transguard® 0201 miniature multilayer varistor, designed for small handheld devices and embedded components such as hearing aids and camera modules. It presents a 16VDC device with a 20pf maximum capacitance in an 0201 case size. The series features multiple strike capability and is able to withstand 1,000 strikes at 8KV of contact. The devices feature a sub 1nS response time to ESD strike and have a maximum leakage current of 50uA at rated voltage.
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Texas Instruments (Dallas, TX) offers the SM320F28 335-HT Delfino 32-bit fl oatingpoint microcontroller (MCU) for extreme temperature operation from -55 °C to 210 °C. It is suitable for harsh and h ot environments, medical instruments, and surgical tools requiring sterilization. It includes 512 KB of embedded flash memory and 68 KB internal RAM.
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Bal Seal Engineering (Foothill Ranch, CA) offers the SYGNUS™ Implantable Contact System, which combines electrical contacts and isolation seals in a standardized, platform-ready “stack” configuration. This turnkey connecting solution is suitable for implantable devices used in cardiac rhythm management, neuromodulation, and neuro sensing therapies.

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Single and double row solder cup spring pin headers from Mill-Max (Oyster Bay, NY) offer a convenient method to make connections between wires and mating components such as P.C. boards, batteries, or other cable assemblies. The pin headers are suitable for wire termination in both test and field applications where stack up tolerances or blindmating can be a challenge. Each spring pin provides .0275" of mid-stroke compression (.055" maximum compression) and is rated for one million cycles. The solder cup is sized to accommodate up to a 22 AWG wire.

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The Series 9Q magnetic proximity switches from Canfield Connector (Youngstown, OH) are engineered to fit “T” slot extruded actuators. The sensors are offered as a flying lead or 8 mm quick connect. Available in reed or electronic sensing, the rugged polyurethane encapsulated switches feature an on board indicator light and a hard nylon shell. They offer reverse polarity protection and are available in DC or AC voltage versions. The electronic sensing version has no moving parts. The Series 9Q operates in a temperature range from –20 °C to 80 °C, and is corrosion and wash down resistant.

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C&K Components (Newton, MA) has designed the K12S series of robust, IP67-sealed SMT key switches for harsh environment applications. The switches are available with LED illumination or double action and detect versions. The series is RoHS-compliant and halogen- free. Users have the flexibility to tailor force values, actuation travel options, and provide single pole double throw (SPDT) custom solutions to meet application requirements. The series features an actuation force range of 1.5 N to 9N with an overload of 100N and a total travel time of 1.5 mm. The K12S Series device features a maximum power rating of 3 WDC and a minimum/maximum voltage of 2V – 30VDC with a minimum/maximum current rating of 10 μA to 100 mA. Operating temperature ranges from –40 °C to 85 °C. The series is also available in an IP40-rated package for less demanding applications.

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