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VCO Operates from 2,745 to 2,860 MHz

January 22, 2009 5:36 am | Product Releases | Comments

Offering a control voltage range from 0.5 V to ~4.5 V, Crystek's CVCO55CC-2745-2860 VCO performs from 2,745 MHz to 2,860 MHz. The oscillator exhibits a typ. phase noise of -106 dBc/Hz at 10-KHz offset and typ. output power of 4 dBm. The 0.5" × 0.5" SMT-packaged device has an input voltage of 5 V with a max. current consumption of

LISTED UNDER: Passive & Discrete Devices

Rectifiers Exhibit Low Forward Voltage Drop

January 22, 2009 4:42 am | Product Releases | Comments

Provided in an SOT-23F package, the CMPSH1-4L and CMPSH1-4LE Low-VF Schottky rectifiers from Central Semiconductor have a forward voltage drop of 270 mV at 100 mA and 390 mV at 1 A. The CMLPSH1-4LE version has leakage currents of 200 µA at 5 V and 900 µA at 40 V. These energy efficient devices are ideal for portable

LISTED UNDER: Passive & Discrete Devices

TCXOs Perform from 650 Hz to 1.25 MHz

January 21, 2009 5:34 am | Product Releases | Comments

Coming in a SMT package, Greenray Industries' T124 Series TCXOs come in versions from 650 Hz to 1.25 MHz. The components offer temperature stability to ±0.30 ppm over a temperature range from -40°C to 85°C. The devices exhibit an input voltage of 3.3 V input voltage with optional electrical freqency control (EFC) to adjust for

LISTED UNDER: Passive & Discrete Devices
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Tantalum Capacitors Rated to 2,200 µF

January 20, 2009 5:49 am | Avx Corporation | Product Releases | Comments

Designed for applications where bulk capacitance is needed to boost transmitter power, such as PCMCIA/USB wireless express cards, AVX’s PulseCap tantalum capacitors are rated to 2,200 µF/6.3 V. The components exhibit a max. case height of 2 mm, use an ‘undertab’ termination style, withstand a soldering profile of 3x reflow at 260°C, and operate from -55°C to 125°C. Other applications include wireless data cards, metering, and

LISTED UNDER: Passive & Discrete Devices

Chip Inductors Feature Highest Current in 1210 Form Factor

January 19, 2009 6:30 am | Product Releases | Comments

Measuring 3.2 mm x 2.5 mm x 1.7 mm, the BRL3225 Series of wire-wound chip inductors from Taiyo Yuden is said to feature the highest rated current in the EIA 1210 form factor. The BRL3225T-1R0M, for example, is rated at 2.4 A at 1.0 µH inductance, while providing 0.043 Ohms RDC. Devices are available

LISTED UNDER: Passive & Discrete Devices

Varistor Features Thermal Protection

January 16, 2009 11:49 am | Product Releases | Comments

Consisting of a 34-mm square-format varistor element (MOV) with an integrated thermally active element, a two-leaded version of the TMOV34S Series from Littelfuse is designed to open and safely disconnect the device in the event of overheating. The device will enable compliance

LISTED UNDER: Passive & Discrete Devices

MLCCs Show ESD Resistance

January 15, 2009 6:12 am | Product Releases | Comments

Based on the X7R material, Epcos’ E-series multilayer ceramic capacitors (MLCCs) demonstrate typical ESD levels of 18 kV (0603/10 nF), 9 kV (0805/1 nF) and 25 kV (0805/10 nF) to AEC-Q200. The components offer sizes of

LISTED UNDER: Passive & Discrete Devices

Multipliers Accept Input Frequency to 8 GHZ

January 14, 2009 12:20 pm | Product Releases | Comments

Accepting an input frequency from 0.85 GHz to 8.0 GHz, the Crystek Pocket Passive Doubler (CPPD) series of frequency multipliers from Crystek Microwave feature an input drive level of 10 dBm to 20 dBm with a typical conversion loss of 15 dB for the CPPD-0.85-2.0 and 13 dB for the CPPD-2-4. Maximum output power rating for the CPPD line is 27 dBm, with an operating temp

LISTED UNDER: Passive & Discrete Devices
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VCXO Serves Universal Edge QAM

January 14, 2009 4:31 am | Product Releases | Comments

Providing a PECL or LVPECL output with a frequency range from 200 MHz to 1 GHz (245.76-MHz STD), Valpey Fisher’s VFVX100 VCXO targets universal edge QAM. The 9-mm × 14-mm SMT component exhibits <0.20-ps jitter and phase noise of -142 dBc/Hz at 10 KHz offset for 622.08 MHz. The RoHS 6/6-compliant device offers

LISTED UNDER: Passive & Discrete Devices

Filters Cut Cellular Noise in Music Phones

January 13, 2009 4:45 am | Stmicroelectronics | Product Releases | Comments

Occupying 0.89 mm × 1.26 mm of handset PC-board space, STMicroelectronics’ EMIF02-SPK02F2 audo EMI filters target the built-in speaker or stereo headset output found in music phones. A single component can be connected to the microphone input to isolate the handset from external sources of noise, such as other cell phones. The devices use a double-clamping structure to clamp an ESD spike to 12 V for meeting

LISTED UNDER: Passive & Discrete Devices

Low-Profile Inductor Operates up to 1 MHz

January 12, 2009 10:07 am | Product Releases | Comments

Provided in versions with an inductance range from 0.10 µH to 22 µH, the IHLP family of inductors from Vishay Intertechnology can operate at a maximum frequency of up to 1 MHz. additional features include a saturation current range from 1.7 A to 25 A, a typical DCR from 2.6 mOhm to 250 mOhm, and a maximum DCR from 2.9 mOhm to 260.0 mOhm.

LISTED UNDER: Passive & Discrete Devices

CV Capacitors Protect Against Thermal and Mechanical Stress

January 9, 2009 8:27 am | Product Releases | Comments

Protecting against thermal and mechanical stress, the MH Series of high CV ceramic capacitors from AVX has non-polar construction. Lead-free and RoHS-compliant, the series is rated at up to 100V with a maximum capacitance of 22 µF. The operating temperature is -55°C to +125°C. Applications include, input /output capacitors for industrial and telecoms applications, smoothing circuits, HID, and automotive high CV applications previously impossible due to case size limitations

LISTED UNDER: Passive & Discrete Devices

MLCCs Protect Against Thermal and Mechanical Stress

January 9, 2009 4:41 am | Avx Corporation | Product Releases | Comments

Made with non-polar construction, AVX Corporation's MH Series multilayer ceramic capacitors (MLCCs) provide protection against thermal and mechanical stress. The RoHS-compliant devices are rated at up to 100 V with a max. capacitance of 22 µF and an operating temperature range from -55°C to 125°C. The Pb-free components perform as input/output capacitors for industrial and telecom applications, smoothing circuits, HID, and

LISTED UNDER: Passive & Discrete Devices

Storage Chokes Serve Renewable Energy Sector

January 8, 2009 4:50 am | Product Releases | Comments

Obtaining an efficiency of ~99%, Premo EMC’s AIC Series single- and 3-phase storage chokes are designed to operate in inverter applications in the renewable energy sector. The devices exhibit an operation frequency from 2.5 KVA to 100 KVA, operating frequency of up to 25 KHz, and inductances from 250 mH to 6 mH. The 250- and

LISTED UNDER: Passive & Discrete Devices

R-C Protection Devices Target 3G Handset LCD Interfaces

January 7, 2009 5:37 am | Product Releases | Comments

Operating in frequencies from 1.8 GHz to 2.5 GHz, Semtech’s EClamp237xK family resistor-capacitor (R-C) protection devices serve high-resolution color LCD interfaces in GSM- and CDMA-based 3G handsets. The RoHS- and WEEE-compliant units exhibit a C(in) value of 20 pF, series resistance of 100 Ohm, and min. attenuation of

LISTED UNDER: Passive & Discrete Devices

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