Passives

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Eliminate transient surges & enhance vehicle safety

Eliminate transient surges & enhance vehicle safety
  What you need to know about using high-reliability TVS diodes for robust automotive circuit protection. By Teddy To and Charlie Cai, Littelfuse, Inc.
19th May 2015

Multilayer varistors are now rated for 16–85V

Multilayer varistors are now rated for 16–85V
AVX has added a 1206 chip size and extensive voltage, clamping voltage and energy ratings to its Glass Encapsulated TransGuard and TransGuard automotive series multilayer varistors. Comprised of zinc oxide based ceramic semiconductor devices with non-linear, bi-directional voltage-current characteristics similar to those of back-to-back Zener diodes, both multilayer varistor series provide bi-directional overvoltage protection and EMI/RFI attenuation in a single SMT package.
18th May 2015

Ultrafast diodes designed for use as anti-parallel diodes

Ultrafast diodes designed for use as anti-parallel diodes
Vishay Intertechnology has announced 600 and 650V FRED Pt Gen 4 Ultrafast recovery diodes optimised for high-frequency converters in power modules, motor drives, UPS, solar inverters and welding machine inverters. Offered as die in wafer form, The 28 'H' and 'U' series devices offer ultra-low forward voltage and reverse recovery charge to reduce losses and increase efficiency.
15th May 2015


Conical inductors features full-length cap to protect coil

Conical inductors features full-length cap to protect coil
Highlighting their recently expanded line of BCL/BCR series conical inductors, Coilcraft will be at IMS 2015 next week in Phoenix. The products are offered in two configurations, the BCR series has a full-length cap to protect the coil and provide a large surface for pick and place and the BCL series features 'flying leads' to allow precise positioning and adjustment of the mounting angle.
14th May 2015

Resistors offer up to 10TΩ with 0.25% tolerances

Resistors offer up to 10TΩ with 0.25% tolerances
  Offering resistance values up to 10TΩ, Ohmite’s Ultramox series supports their popular Slim Mox resistor family and allows for tighter tolerances than previously available, down to 0.25%, and TCR’s as low as 25ppm. Offered in four standard sizes, the series is rated from 10 to 30kV and from 1 to 3W.
13th May 2015

Resistors deliver up to 500V in 0805 & 1206 case sizes

Resistors deliver up to 500V in 0805 & 1206 case sizes
A series of thick film chip resistors designed to meet the demand for high voltages in industrial and medical applications while saving valuable PCB space have been released by Vishay Intertechnology. The Vishay Draloric RCV e3 devices offer high limiting element voltages of 400 and 500V in the compact 0805 and 1206 case sizes, respectively.
11th May 2015

MX keyboard switch is tested to 50m operations

MX keyboard switch is tested to 50m operations
An MX key module, designed to fulfill the demanding reliability requirements of computer and data input keyboards, gaming consoles and industrial control HMI systems, has been introduced by Cherry. The CHERRYMX features a high reliability mechanical switch with gold crosspoint contacts and a fast and positive actuation. Standard options include integrated LED illumination, decoupling diode or wire bridge and a 4mm actuation travel.
11th May 2015

MLCCs offer increased capacitances in unchanged packages

MLCCs offer increased capacitances in unchanged packages
To meet increasing demands from the automotive market, Syfer Technology, a Knowles brand, has improved its offering of AEC-Q200 qualified devices, including MultiLayer Ceramic Capacitors (MLCCs) and EMI filter products. Available from the miniature 0603 size up to the 3640 footprint, MLCCs in C0G and X7R dielectrics are offered with capacitances ranging from 100pF to 4.7µF, with operating voltages from 50VDC to 3kVDC.
8th May 2015

Smart switch targets multi-powered handheld devices

Targeting handheld devices and systems powered from multiple sources such as wall adapters and auxiliary batteries, the MIC1344 3A power ORing smart switch has been introduced by Micrel. The device, which is offered in a 12-pin, 2x2mm QFN package, is also suitable for applications that require a diode OR function between two input power sources.
8th May 2015

EMI management products come in all shapes and sizes

EMI management products come in all shapes and sizes
An extensive selection of products for EMI management, including fabric-over-foam gaskets in a choice of over 70 different standard profiles and sizes is in sale at Dengrove Electronic Components. The gaskets are available on reels, cut to length or as custom pre-formed parts ready for assembly.
7th May 2015


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