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Ceramic Trimmer Capacitors Designed for Minimal Capacitance Drift

April 3, 2008 8:36 am | Product Releases | Comments

Suited for telecom and microwave projects requiring miniature components, the SGC3S series ceramic trimmer capacitors measure 0.126” (3.2 mm) × 0.177” (4.50 mm) × 0.059” (1.5 mm). The capacitors are constructed with high temperature liquid-crystal polymer housings for superior durability and low dielectric loss to resist penetration by dust and flux, and are colored to make each of the five available capacitance ranges easily identifiable. Requiring minimal capacitance drift over the operating temperature range of -25°C to 85° C, the SGC3S series capacitance ranges are: SGC3S030 (Black): 1.2 pF to 3.0 pF; SGC3S060 (Blue): 2.2 pF to 6.0 pF; SGC3S100 (Ivory): 3.0 pF to 10.0 pF; SGC3S200 (Pink): 5.5 pF to 20.0 pF; SGC3S300 (Green): 8.0 pF to 30.0 pF. Designed for reflow soldering and available in embossed carriers, 1,000 pieces per 7 in (18 cm) reels, the capacitors are well-suited for placement on boards with automated pick-and-place equipment.

LISTED UNDER: Passive & Discrete Devices
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Thermal Management Device Transports Heat

April 2, 2008 12:42 pm | Product Releases | Comments

International Manufacturing Services, Inc. (IMS) introduced its B-Series Therma-Bridge as a simple thermal management device that uses a thermally conductive Aluminum Nitride chip with metallized terminals to transport heat from one location to another, thus enhancing overall board performance. The Therma-Bridge is made in numerous sizes and thicknesses, allowing users to choose the part which best fits their heat management needs.

LISTED UNDER: Passive & Discrete Devices

Silicon Diode Array Improves Communication Line Protection

April 2, 2008 12:33 pm | Product Releases | Comments

Littelfuse, Inc. expanded its SP72x Series of SCR diode arrays for electrostatic discharge (ESD) and other over-voltage protection of telecomm and datacom interface circuits. The SP725 is suitable for protection of microprocessor/logic inputs, data bus lines, analog device inputs and many other voltage clamp applications. Its thyristor-based design uses two bipolar SCR/diode structures to protect each of the four inputs (typically external signal or bus lines). Its operation is similar to what is known as a steering diode, but it has lower capacitance and leakage current for a given impulse rating, meaning less chance of communication signal distortion.

LISTED UNDER: Passive & Discrete Devices

HV Nonmagnetic Variable Trimmer Capacitor Works at Cryogenic Temperatures

April 2, 2008 10:52 am | Product Releases | Comments

Featuring high purity ceramic dielectrics, the SGNM series of high voltage nonmagnetic variable capacitors from Sprague-Goodman Electronics can be sealed to 40 lbf/in2 (276 kPa), or used for cryogenic applications as low as 4K. DC working voltage ranges from 1.5 kV up to 7.5 kV (DC withstanding voltage from 3 kV to 15 kV). Capacitance ranges start with 1 – 10 pF, and increase (in 5 pF increments) to 10-180 pF. The capacitors

LISTED UNDER: Passive & Discrete Devices

Low-Profile Transformer Suits Military Applications

April 2, 2008 6:29 am | Product Releases | Comments

Provided in both SMT and through-hole configurations, the LVB-4203 MIL-STD-1553 data bus transformer from Beta Transformer Technology is intended for use with 3.3V transceivers in military and other high-reliability applications. The transformer has a low profile of 0.130” height with a 0.625” × 0.625” footprint.

LISTED UNDER: Passive & Discrete Devices

DC Link Capacitor Handles Higher Currents

April 1, 2008 6:45 am | Product Releases | Comments

With a low-loss polypropylene dielectric, in a UL 94 V-0 plastic case and self-extinguishing epoxy resin sealing, the WIMA DC-LINK MKP 4 DC link capacitor can replace electrolytic devices in high-power converter applications. Available with capacitances from 5µF to 75µF at voltages of 450V DC, 700V DC, 900V DC und 1,100V DC, the self-healing polypropylene parts come

LISTED UNDER: Passive & Discrete Devices

Power Inductors Offer High Current and Low Resistance for DC/DC Converter Choke Coils

March 28, 2008 6:40 am | Product Releases | Comments

Taiyo Yuden’s CKP2520 multilayer chip power inductors offer DC resistance from 0.08 ohms to 0.15 ohms and current ratings from 1.4A to 1.1A, improvements of 35 percent and 44 percent compared to the company's previous models. With an EIA 1008 case size footprint of 2.5 mm × 2.0 mm and a maximum height of 1.0 mm and inductance values from 1.0 µH to 4.7 µH, the devices are suitable for

LISTED UNDER: Passive & Discrete Devices

Antenna Switch Targets Wireless LAN Applications

March 26, 2008 9:49 am | Product Releases | Comments

Operating in the 2.4-2.5 GHz band with frequency capabilities of up to 3 GHz, the SKY13309-370 LF antenna switch targets Bluetooth systems and other applications, including analog and digital mobile television in emerging markets, wireless headsets, and receiver chain of phones. This pseudomorphic high electron mobility transistor (pHEMT) gallium arsenide (GaAs) integrated circuit (IC) switch has a positive low voltage control of 0/3V, low insertion loss of 0.5 dB at 2.5 GHz and isolation of 25 dB at 2.5 GHz.

LISTED UNDER: Passive & Discrete Devices

100 MHz Crystal Oscillator Provides High-speed, Current-steering Logic Output

March 20, 2008 7:16 am | Product Releases | Comments

Maxim Integrated Products introduced the DS4100H 100 MHz, HCSL-output crystal oscillator (XO) for PCI Express applications. Said to be the first XO to provide a high-speed, current-steering logic (HCSL) output, the DS4100H eliminates the need to translate from CMOS, LVDS, or LVPECL formats to HCSL. Manufactured using a fundamental AT-cut crystal technology, it integrates a

LISTED UNDER: Passive & Discrete Devices

DSL Filter is Compatible with VDSL2 to 30 MHz

March 12, 2008 6:30 am | Product Releases | Comments

Excelsus brand Z-301LS in-line xDSL filter from is compatible with VDSL2 and can filter frequencies up to 30 MHz. The lightweight 51.3 mm × 19.6 mm × 19.0 mm filter has good intermodulation distortion performance which allows the maximum possible VDSL2 data rates. The 600 Ohm return loss is greater than 14 dB.

LISTED UNDER: Passive & Discrete Devices

Off-the-Shelf EMI Filter Modules Comply to Military Standards

March 11, 2008 7:46 am | Product Releases | Comments

VPT Inc., the innovative leader in providing power handling products, has added two new EMI filters to its new COTS product line, the VPT Series. The new VPTF10-28 (10A) and VPTF20-28 (20A) filter modules provide compliance to MIL-STD-461 C/D/E for conducted emissions in military and avionics DC-DC power systems. Both filters satisfy

LISTED UNDER: Passive & Discrete Devices

VCO Operates from 2,425 MHz to 2,440 MHz with Desirable Linearity

March 10, 2008 8:06 am | Product Releases | Comments

Crystek's CVCO55CC-2425-2440 VCO operates from 2,425 MHz to 2,440 MHz with a control voltage range of 0.3V to 4.7V. This VCO features a typical phase noise of -113 dBc/Hz at 10 kHz offset and has desirable linearity. The model CVCO55CC-2425-2440 comes in the industry-standard 0.5-in. × 0.5-in. SMD package. The input voltage is 5.0V, with a maximum

LISTED UNDER: Passive & Discrete Devices

0603 Metal Strip Resistor Achieves 0.2W Power Rating

March 7, 2008 5:07 am | Product Releases | Comments

Delivering up to twice the power of a standard WSL0603-type part, an 0603-sized SMT metal strip power resistor from Vishay Dale is presented as the first of its size to provide a 0.2W power rating. Features include a resistance range from 0.015O to 0.1O at tolerances of ±0.5 and ±1.0 percent with a TCR of ±75ppm/°C and a thermal EMF of less than 3 µV/°C.

LISTED UNDER: Passive & Discrete Devices

Power Inductors Offer High Current and Low Resistance

March 6, 2008 6:08 am | Product Releases | Comments

Taiyo Yuden USA, Inc. announced its model CKP2520 multilayer chip power inductors that achieve better performance compared to the company’s previous CKP series parts. With an EIA 1008 case size footprint of 2.5 mm × 2.0 mm and a maximum height of 1.0 mm, the devices facilitate the design of thinner, higher-performance, multifunction cell phones, digital cameras and other battery-powered portable electronic equipment.

LISTED UNDER: Passive & Discrete Devices

Radial-Leaded Inductors Operate in Challenging EMI Environments

March 6, 2008 5:59 am | Product Releases | Comments

Datatronic Distribution, Inc. introduced its DR371-1 and DR371-2 series of radial leaded, molded inductors that combine high performance over a wide inductance range in challenging EMI operating environments with rugged packaging, ROHS compliant lead material and long-life. Depending on the specific model, the inductors feature an inductance range from 0.22 mH to 33 mH. The DCR is specified from 0.59 mohm to 42 mohm maximum over a maximum current rating from 5A to 38A.

LISTED UNDER: Passive & Discrete Devices

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