Resistors

AutomationDirect has added new Schmersal 250 series heavy-duty limit switches featuring rugged cast iron housings for the harshest environments. The selection includes models with side rotary levers with metal or plastic rollers, metal belt alignment rollers, and high-temperature models with metal rollers. The belt alignment switches prevent costly equipment damage by providing warning, alarm, or…

AutomationDirect has added Crohm brand VFD brake resistors, which feature NEMA 1 enclosures and installed thermal switches. These resistors are offered in popular resistance values from 3.7 to 400 ohms and power ratings from 240 W to 18 kW to ensure a good match per your manufacturer’s recommendation. The NEMA 1 enclosures protect users from…

The CSSH Series ultra-high precision current sense chip resistor series from Stackpole has recently been expanded to include a 0.3 milliohm value in the 2512 size. The CSSH2512 0.3 milliohm part is available in tolerances as low as 1% and TCR is 150 ppm, with a 3W power rating. This low resistance value coupled with…

KOA Speer Electronics announces its new WG73 wide terminal type surge current flat chip resistor available in a 1020 package with a 1Watt power rating. The WG73 resistor is superior to KOA’s WK73 series in pulse withstanding voltage. The anti-surge WG73 features a T.C.R. of ±100ppm/°C, a resistance range of 560mΩ ~ 1KΩ, a standard…

KOA Speer Electronics introduces the WU732B15 wide terminal low ohm chip resistor available in a 0612 package with a 1.5Watt power rating. This resistor also has added a new T.C.R. of ±75 ppm/°C in a resistance range of 13mΩ ~ 27mΩ. The WU73 series also includes the WU732B resistor with a 1Watt power rating in a 0612…

KOA Speer Electronics, Inc. introduces the SG73G Series of Precision Surge Thick Film Chip Resistors featuring a high pulse resistance and ultra precision with tolerances of ±0.25% and ±0.5% and a T.C.R. of ±50ppm/°C. SG73G resistors are available with resistance values ranging from 10Ω ~ 1MΩ, power ratings from 0.2W to 0.5W and in sizes 0603, 0805…

The HCSK Series from Stackpole is a surface mount metal element high current shunt with four terminals. Four terminal Kelvin sense resistors provide the most accurate sensing as it removes the effect of lead resistance in the sensing function. The HCSK2725 rated at 5W at an ambient temperature of 100C utilizes unique materials and a…

The HVC series from Stackpole is a thick film surface mount chip resistor series designed for high voltage handling and high resistance values. The HVC has low VCR, TCR available down to 25 ppm, and tolerances as low as 0.1%. Voltage ratings for the HVC are as follows: * HVC0603 rated at 400V * HVC0805…

The HDM Series from Stackpole is an axial leaded carbon film technology resistor with outstanding moisture withstanding capability. Axial leaded resistors that need to withstand high humidity typically require a metal glaze technology which is considerably more expensive. The HDM Series can survive 100 hours in a pressure cooker at 120 degrees C, over 98%…

Stackpole’s RNCF is an AEC-Q200 compliant series of precision thin film chip resistors. The RNCF offers sizes from 0201 up to 2512, with a tolerance of 0.01% and TCR of 2 ppm available for a select value range for sizes from 0402 through 2512. This exceptional performance makes the RNCF ideal for precision applications such…

Stackpole’s RMCF Series is an AEC-Q200 qualified series of thick film chip resistors. This series has thousands of the most popular values in stock in sizes from 0201 through 2512 either directly from Stackpole or through one of our franchised distributors. For products not in stock, current lead-times are 8 – 10 weeks. For design…

The RNCF Series from Stackpole is a precision thin film chip resistor series capable of achieving tolerances as tight as 0.01% and TCR as low as 2 ppm per degree C. Stackpole recently expanded the resistance value range for the 0402 chip size for all tolerances to offer values from 49.9 ohms up to 20K…

Stackpole Electronics, Inc. announces the release of their new RTAN series chip resistors. The AEC-qualified RTAN is a Tantalum Nitride precision thin film resistor that is impervious to moisture corrosion. This type of thin film technology passes biased humidity testing at 85 degrees C, 85% relative humidity, and 10% rated power for more than 1000…

KOA Speer Electronics introduces an expanded resistance range of 47Ω to 1MΩ for their RN73H series of ultra precise thin film metal chip resistors. The new low end of the resistance range (47Ω) affects the 0402, 0603, 0805 and 1206 sizes. With a precision tolerance of ±0.05% ~ ±1.0%, and T.C.R. values of ±5 ~…

Stackpole Electronics, Inc. recently announced that the 0805 and 2512 package sizes of its CSRF series current sense chip resistors are now qualified to AEC-Q200. The CSRF utilizes a foil on ceramic carrier technology that is impervious to sulfur and offers low resistance values, good TCR, and the ability to achieve small sizes. Foil on…

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…

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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…

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TT Electronics has launched the LRMAP3920 series of high reliability, low value SMT shunt resistors for current sensing duties. With values down to 200μΩ and a power rating…

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KOA Speer Electronics introduces the new UR73V, 1206 size thick film current sense resistor with a high operating temperature -55°C +155°C. The UR73V2B is AEC-Q200 qualified and has…

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KOA Speer Electronics introduces the new WU73, a 1-Watt wide terminal low ohm chip resistor available in an 0612 package. The WU73 is a precision resistor offering resistance…

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TT Electronics has launched a new range of surface mount (SMT) power inductors for high frequency and high temperature applications. Named the HA65A series, the inductors are designed…

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Industrial grade robust inverter build – I have done a lot of research online about IGBTs, gate drivers, blown up many IR2110s, studied PCB layout considerations, OC/SC protection, current…

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by Kory Schroeder, Director of Product Marketing and Engineering, Stackpole Electronics Inc. For high currents, axial-leaded wirewound resistors are often good candidates because they can handle up to…

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KOA Speer Electronics introduces the new TLR2HW metal plate chip current sense resistor in a 2010 size, featuring a 2-watt power rating and ultra low resistance of 1m…

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The CSRF Series is a surface mount current sense resistor series that utilizes foil on ceramic carrier technology. This structure allows for very low resistance values in small…

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