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The resistance value range for Stackpole's SM4527 has expanded. The 2W surface mount molded wirewound originally had resistance values limited from 0.01Ω to 0.05Ω, but now the robust SM45727 offers values up 1KΩ in tolerances between one and five percent.

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 -55ºC to +150ºC and survive a wide range of electrical and mechanical stress tests including exposure to high temperatures, temperature cycling, high temperature operational life, biased humidity, ESD, ...

While many multilayer varistors currently available are only able to operate up to +125°C, the ZVY series from Stackpole Electronics is capable of operating temperatures of up to +150°C. This higher temperature range makes the multilayer varistors capable of voltage protection for low voltage electronics in a wider range of environments including industrial electronics and engine controls.

The AEC-Q200 qualified CSS and CSSH series from Stackpole offer ±15ppm/°C TCR for chip sizes 1206, 2010, 2512, and 2728. This tight TCR is available in resistance values ranging from 7 up to 100mΩ depending on size.The combination of tight TCR and precision tolerances down to ±0.5% mean the CSS and CSSH are ideal for all types of current sense and control applications.

Stackpole Electronics has expanded its thick film chip resistor design kit offering to include the 0201 case size. There are 5 different kits offered corresponding to the following value ranges:

Stackpole has announced its AVY series of automotive surface mount varistors that operate at temperatures up to +150°C. This higher operating temperature allows their use in a wider range of environments compared to most varistors that can only operate at temperatures up to +125°C. The AVY series is rated for up to 2,000A of current and 25J load dump energy.

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

The CSR series of thick film current sense resistors from Stackpole Electronics is available in a wide range of sizes and resistance values. The CSR / CSRN is available in resistance values from 3mΩ to 1Ω, depending on size, and in tolerances down to 1%. Sizes range from 0402 (0.125W) to 2512 (2W), along with a 1225 with long-sided terminations that is rated at 3W.

The SM Series wirewound resistor offers a robust surface mount device capable of handling up to 4W in a single part. The SM8035 case size can handle over 50J of energy while the SM2615 size can withstand more than 5 times the energy of a comparable size pulse withstanding flat chip resistor. A single SM is an ideal solution for applications that demand high continuous power with low heat rise.

Stackpole Electronics has announced that its TR series now offers power ratings of 20 to 50W for the TO-220 packages and 100W for the TO-247 package. These non-inductive and RoHS-compliant packages are suited for use with power IC’s on heat sinks to help maintain the 25°C film temperature. The TR series is available with tolerances as tight as 0.5% and TCR as low as 50ppm.