A more compact version of the PSR series of high power ultra-low-ohmic shunt resistors is now available for current detection in automotive and industrial applications. The PSR100 series adopts a high-performance metal alloy as the resistive element to provide superior temperature coefficient of resistance (TCR). In addition, leveraging original precision welding technology makes it possible […]
Resistors
High pulse-withstanding resistors in a compact package
The HPWC (high pulse withstanding chip) range of high energy surge resistor products are designed to maximise the level of surge performance available in a single-sided flat chip design. The HPWC range targets protection and discharge applications in compact power supplies and power control circuits that need a resistance tolerance of five percent. Available in […]
Heatsinks boost thermal performance of power resistors
TT Electronics has announced the WMHP-HS heatsink specifically designed to optimise the thermal performance of its WMHP series power resistors. Providing a combination of high surface area, superior cooling performance, compact dimensions and light weight, the PCB mounting heatsink is ideal for use in power supplies, power amplifiers, motor drives and inrush current control applications requiring […]
Automotive-grade resistors deliver power dissipation to 0.4 W
Vishay Intertechnology, Inc. introduced a new series of Automotive Grade thin film chip resistors that features the industry’s highest rated power dissipation in the compact 0402, 0603, and 0805 case sizes. For electronics in automotive, industrial, and renewable energy applications, Vishay Beyschlag MC HP series devices combine high operating temperatures to +175 °C with low […]
High-rel chip varistors for automotive apps withstand 25 kV
In recent years, as cars have become equipped with many additional functions such as advanced driver assistance systems (ADAS) and in-vehicle infotainment (IVI) networks, the downsizing of the ECUs and increased reliability have become even more important. As a result, ESD and surge protection devices also need to be smaller and offer higher reliability. TDK […]
Wide terminal resistor offers 0.5-W power rating in 0306 size
KOA Speer Electronics introduces its new WK73R1J Thick Film Wide Terminal Resistors featuring a 0.5 watt power rating in a 0306 package. The WK73R1J is a thick film chip resistor that is able to achieve a high power rating of 0.5 watts due to its reverse geometry design, which provides for greater heat dissipation. In […]
Eight-watt power shunt current-sense resistor comes in 2512 package
KOA Speer Electronics introduces the PSL2 Power Shunt Current Sense Resistor, featuring an 8 Watt power rating in a 2512 package. This new power shunt resistor offers ultra low resistance suitable for large current sensing. In addition, the PSL2 has a broad operating temperature range of -65°C to +175°C. KOA Speer’s PSL2 features a T.C.R. of […]
Metal-foil chip resistors can dissipate up to 3 W
TT Electronics, a global provider of engineered electronics for performance critical applications, today extended its MFC series of metal foil chip resistors with a new 2817 size that can dissipate up to 3W. Ideal for current sensing in the 1A to 30A range, the MFC2817 chip resistors enable designers to achieve highly compact power conversion […]
Top power electronics threads on EDAboard.com – July
(editor’s note: Intrigued by these power electronics problems? Have a question or another solution? Then click the “Read more” link and follow the conversation on EDAboard.com or log in to EDAboard and participate in the power electronics forum threads. Build a constant current circuit – I am building a circuit which will provide me a […]
10 W power shunt offers an ultra low resistance range of 0.5mΩ ~ 1mΩ,
KOA Speer Electronics launches its new PSJ2 Power Shunt Current Sense Resistor, featuring an up to 10 Watt power rating in a 3920 size. This new power shunt resistor offers an ultra low resistance range of 0.5mΩ ~ 1mΩ, making it ideal for large current sensing. In addition, the PSJ2 has a broad operating temperature […]