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Resistors

Four-terminal current-sense shunt resistors sport improved TCR

June 10, 2022 By Redding Traiger Leave a Comment

Current sensing resistors must balance the efficiency requirements of low resistance values, and high current handling with the precision and accuracy requirements of the sensing circuit. But the key requirement of most current sensing circuits is stable performance over temperature. Component TCR is the key measurement parameter for the temperature stability of a resistor. Stackpole […]

Filed Under: Development Tools, Power Components, Power Management, Resistors Tagged With: stackpole

Current-sensing resistor handles 7 W

May 17, 2022 By Aimee Kalnoskas Leave a Comment

Power electronic engineers continue to push for higher power, lower values, and better precision. Most common resistor technologies cannot adequately meet all three requirements, but Stackpole’s CSS/CSSH Series is able meet these demands in a variety of sizes, power ratings and values. Stackpole’s latest addition is its 3637 high-power shunt. The CSSH3637 is a 7W […]

Filed Under: Power Components, Resistors Tagged With: stackpole

High current metal shunt for hybrid power sources

May 11, 2022 By Redding Traiger Leave a Comment

As power electronics evolve, the requirements for high current, low resistance sensing resistors continue to increase. Emerging applications, such as hybrid power systems, may require high power, high accuracy, and low thermal resistance. These are a difficult combination for many traditional sense resistor technologies. Stackpole’s HCS series provides high power, precise sensing, and low thermal […]

Filed Under: Development Tools, Power Components, Power Management, Resistors Tagged With: stackpole

Wide terminal thick-film chip resistors handle up to 3 W

May 3, 2022 By Redding Traiger Leave a Comment

Applications for surface mount chip resistors with high power requirements typically mean higher circuit temperatures due to thermal resistance limitations. One of the most common and economical options for reducing the effects of high power is wide terminations. By reversing the geometry of the chip resistor and applying the terminations to the long sides of […]

Filed Under: Development Tools, Power Components, Power Management, Resistors Tagged With: stackpole

Thick-film chip resistors excel at handling high power levels

April 19, 2022 By Redding Traiger Leave a Comment

The RPC-UP from Stackpole offers 0805 and 1206 size chip resistors with excellent pulse withstanding and high-power ratings. The RPC0805-UP is rated at 0.5W and 400V working voltage and the RPC1206-UP is rated at 0.75W and 500V. Resistance values range from 1 ohm to 1Meg ohm with tolerances from 20% to 0.5% available for some resistance values. The […]

Filed Under: Development Tools, Power Components, Power Management, Resistors Tagged With: stackpole

Flame-proof wirewound resistors target in-rush apps

April 13, 2022 By Redding Traiger Leave a Comment

TT Electronics announced the availability of its high surge, UL-recognised, fusible resistor family – the WHS-UL Series. Developed for inrush control applications, such as power supplies, UPS, energy metering, and motor drives, TT’s WHS-UL resistors offer enhanced surge and pulse energy withstand capability. A UL1412-recognised fusible resistor (UL file E234469), the WHS-UL provides failsafe fusing at […]

Filed Under: Development Tools, Motors and motor control, Power Components, Power Management, Resistors Tagged With: ttelectronics

Four-terminal shunt resistor provides low-resistance, high-accuracy current sensing

March 31, 2022 By Redding Traiger Leave a Comment

Stackpole’s CSSK3637 is a four-terminal shunt that provides very low resistance values which have been expanded to 0.5 to 6 milliohms, in tolerances as low as 0.5% and TCR of 50 ppm. In addition, this all-metal shunt has an operating temperature up to 170C, providing excellent stability for a wide range of end products. The […]

Filed Under: Automotive, Consumer electronics, Converters, Development Tools, Power Components, Power Management, Resistors Tagged With: stackpole

High-current shunt resistors offer a 5-W power rating

March 8, 2022 By Redding Traiger Leave a Comment

Modern electronics utilize current sense resistors for portable power management. As larger and more powerful devices become portable, higher currents and higher power ratings become critical, however, space for any portable electrical device must always be conserved. The HCSM2818 from Stackpole offers a 5-watt continuous power rating to maximize power handling in a given PCB […]

Filed Under: Development Tools, Power Components, Power Management, Resistors Tagged With: stackpole

SMT Kelvin shunt resistors provide accurate sub-milliohm current sensing

February 16, 2022 By Redding Traiger Leave a Comment

TT Electronics announced its LRMAP4026 series low resistance metal alloy power resistors designed for power supply, motor drive, and battery monitoring applications. This resistor series provides four-terminal Kelvin precision and high current capacity to all industrial applications, including automotive. Because four-terminal Kelvin connections improve precision, only a small portion of a design’s error budget is […]

Filed Under: Automotive, Development Tools, Industrial, Resistors Tagged With: ttelectronics

How trimming affects thick-film resistor performance

February 16, 2022 By Kory Schroeder Leave a Comment

thick film resistors

Ordinary thick-film resistors can display varying qualities depending on how the manufacturer elected to trim the device. It pays to know what to look out for. Kory Schroeder, Stackpole Electronics Inc. Surface-mount thick-film chip resistors are the predominant type of resistor in electronic circuits today. This technology is inexpensive; thick-film resistors are produced by screen-printing […]

Filed Under: FAQ, Featured, Power Components, Resistors Tagged With: FAQ, stackpoleelectronics

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