| 25 Aug, 2009 | | 25 Aug, 2009 |  TF441 per attach(inrush resistor 7-6-09) is of 30.9mm where some of the power supply maker who make chassis of U1 standard provide repetitive pulse performance resulting in high average power dissipation can be significantly improved by attaching resistor to a heatsink.Click here for more details. | | TF445 which is of 21mm height and suit their application. Spec performance of both is the same where the difference is only the dimension which either taller/slimmer or shorter/broader. Click here for more details. | | | | | | 12 Jun, 2009 | | 12 Jun, 2009 |  TT-Welwyn - WHVL Series is a range of high voltage axial resistors with a non-inductive printed serpentine element (pictured). It is available in high precision grades and a choice of coating materials. Click here for more details.
| |  TT-Welwyn - High voltage precision power supplies for electron microscopes, X-rays, geophysical probes, semiconductor processing and particle accelerators. Industrial power supplies for electrostatic spraying, powder coating, e-beam welding and insulation testers. Click here for more details.
| | | | | | 12 Jun, 2009 | | 14 May, 2009 | TT-Welwyn -  High voltage precision power supplies for electron microscopes,X-rays, geophysical probes, semiconductor processing and particle accelerators. Industrial power supplies for electrostatic spraying, powder coating, e-beam welding and insulation testers.Click here for more details. | |  Providing design engineers with an ultra-stable, compact alternative to discrete resistor matched sets for high reliability divider circuits, TT electronics IRC has enhanced its SOT23 surface mount voltage divider for space-constrained applications. The new DIV23 Series voltage divider utilizes IRC’s patented self-passivating TaNFilm® (Tantalum Nitride) on silicon technology and features an extended resistance range to 200KW.Click here for more details.
| | | | | | 14 May, 2009 | | 7 May, 2009 |  Providing design engineers with a higher wattage device without increasing the package size, TT electronics IRC has increased the power ratings of its PWC Series resistors. IRC now offers the pulse-withstanding chip resistors in 1/2W (1206 size, increased from 1/3W); 1W (2010 size, increased from 3/4W); and 2W (2512 size, increased from 1.5W).Click here for more details. | |  ULR is an ultra-low value current sense chip resistor produced using metal technology. The construction is low-profile non-moulded in two variants distinguished by protection colour. The black type is a simple flat chip shape for wave as well as IR reflow. The green type has a small clearance between underside and the PCB, so is not suitable for wave soldering. The two like the green type, but without the upper face coating and marking..Click here for more details. | | | | | | 6 May, 2009 | | 1 Apr, 2009 |  Providing lighting designers with a low power consumption, long lasting solid-state lighting solution, TT electronics OPTEK Technology has developed a custom design for a restaurant lighting fixture that replaces a 20-watt halogen bulb with a 4.5-watt LED light engine. Utilizing their LED lab equipment including a 39-inch integrating sphere and spectroradiometer, OPTEK characterized the existing fixture and designed a replacement solution with optimal heat management, luminous output and emitted color characteristics..Click here for more details.
| |  In spite of a downturn in the fourth quarter, last year was an exciting one for the TT electronics Component Division, primarily due to the acquisition of Semelab in August of 2008. A privately-owned manufacturer of power and F discrete components, microcircuits, optoelectronic Components and modules based in the UK, Semelab had been courted by TT electronics since 2001, proving that patience, persistence, determination and desire are all required to make things happen with new customers, new product development, as well as new acquisitions.Click here for more details.
| | | | | | 20 Mar, 2009 | | 18 Feb, 2009 |  Providing design engineers with a simplified means of detecting the presence of fluid in transparent tubing, TT electronics OPTEK Technology has expanded its family of fluid sensors to include automatic calibration circuitry and a preset trip level feature. Designated the OCB350 Series, the fluid sensor with self-calibration circuitry requires only an optical device and power supply for operation.Click here for more details.
| |  Providing design engineers with a robust current sense device with enhanced thermal performance capabilities, TT electronics IRC has expanded its family of open-air current sense resistors. Designated the OARS-3 Series, the metal alloy strip resistors feature a flameproof open-air surface mount design, providing superior thermal temperature cycling and allowing the resistors to operate to power ratings of at least 3 watts.Click here for more details.
| | | | | | 18 Feb, 2009 | | 17 Dec, 2009 |  Providing design engineers with devices capable of uniform optical light patterns over an extended temperature range, TT electronics OPTEK Technology has developed a family of ultraviolet LEDs in the UV-A spectrum. Designated the OUE8A Series, the UV LEDs are offered in a variety of wavelengths and housed in hermetic TO-46 metal can packages. Click here for more details.
| |  TT-Welwyn announce the WA87 and WP7S are aliases of the same product and both may be replaced by KNP7. Example equivalent MPNs: WA87-47RJI replace by KNP7-47RJT07 and WP7S-47RT07 replace by KNP7-47RJT07.
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| | | | | | 1 Dec, 2008 | | |  HVP is a compact high voltage planar resistor. It differs from the existing 4500 Series in being smaller and having a high integrity printed epoxy coating. It is available in two sizes offering 2kV and 5kV ratings. Click here for more details.
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