Stackpole has completed AEC-Q200 testing for the RACF and RAVF Series thick film chip resistor arrays in its most popular size, the 0603 by 4 resistors. Per AEC-Q200, these chip resistor arrays must have an operating temperature range of -55 degree C to +150 degree C and survive a wide range of electrical and mechanical […]
Resistors
1.5-W Metal Plate Current Sense Resistor comes in 1206 Size
KOA Speer Electronics introduces the new TLR2BP Current Sense Resistor, featuring a 1.5 Watt power rating in a 1206 package. The TLR2BP is a metal plate resistor that provides excellent dimension accuracy and low height with a thickness as low as 0.6mm. In addition, it offers superior corrosion and heat resistance with an operating temperature […]
Current sense resistors now available in 0.5 to 1 W
KOA Speer Electronics expands the resistance values of the 1206 size TLR2B/2BW metal plate chip current sense resistors, available now in 1mΩ and 1.5mΩ. The power rating for the 1206 chip size TLR2B is 0.5Watt and TLR2BW is 1Watt. These resistors feature a metal alloy to provide superior corrosion and heat resistance, with a small […]
Top power electronics threads on EDAboard.com – August
(editor’s note: Intrigued by these power electronics problems? Have a question or optional solution? Then click the “Read more” link and follow the conversation on EDAboard.com or log in to EDAboard and participate in the forum thread.) IGBT circuit problems – I have some doubts on a result I’ve obtained. I’m using a circuit, as […]
Low resistance resistor jumper operates at -55°C to +170°C
KOA Speer Electronics introduces the TLRZ series metal plate zero ohm jumper, available in 0603, 0805, and 1206 package sizes with current ratings of 26A, 31.6A, and 40A respectively. The TLRZ is a low resistance resistor jumper with an operating temperature of -55°C to +170°C. The TLRZ’s metal plate construction provides excellent dimension accuracy and […]
Non-magnetic thin film chip resistors deliver ratings to 6 W in 1206 and 2512 cases
Vishay Intertechnology, Inc. introduced a new series of high-power, surface-mount, precision non-magnetic thin film chip resistors. Built on aluminum nitride substrates, the Vishay Dale Thin Film PCNM series offers power ratings of 2 W and 6 W in compact 1206 and 2512 case sizes, respectively. The aluminum nitride substrates of the resistors released today feature […]
Molded current-sense resistors handle 7 W
KOA Speer Electronics introduces the new SLN5 Molded Current Sense Resistor, featuring a 7 Watt power rating in 4527 size. The SLN5 offers a terminal port temperature of 70°C. This is a molded resin resistor designed for current detection and provides excellent dimension accuracy, mountability, and shock resistance. In addition, it offers excellent terminal strength, […]
Top power electronics threads on EDABoard.com – June
(editor’s note: Intrigued by the problem? Have a question or optional solution? Then click the “Read more” link and follow the conversation on EDAboard.com or log in to EDAboard and participate in the forum thread.) Resistor mounting conditions for full power rating at 70degC ambient? – For the PF2512FKF7W0R007L (7mΩ) 2512 SMT resistor, what is […]
Power Magnetics Catalog Includes Reference Designs
Premier Magnetics, global producer of high-quality magnetic components for switch-mode power supplies, DC-DC converters and data communications applications, announces the availability of its new 87-page catalog providing details of the company’s extensive line of transformers, inductors and chokes designed specifically for switch-mode power supply applications. Also included are reference designs utilizing Premier Magnetics’ devices in […]
Compensating for temperature in high-frequency rectifier diodes
by Koji Ikeda, Sanken Electric Co. and K.C. Nishio, Allegro Micro Systems Over-temperature can be a problem in high-performance switching supplies. New power rectifier diodes build in safeguards to head off heat build-up. Pulse-width-modulated converter and amplifier designs tend to spend much of their time handling significant levels of electrical current. High currents tend to […]
