Current Sense Resistors Designed for Large Current Detection
KOA Speer's family of current sense resistors offer excellent large current detection due to its metal plate technology. Wide range of sizes, power ratings and resistance values are ideal for controlling the current to protect power supply circuits.
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Surge and Pulse Withstanding Voltage Resistors
KOA Speer's SG73 series of thick film resistors offers excellent circuit protection from surge and pulse voltage variations. SG73 series resistors include general surge/pulse, precision pulse, endured pulse/surge power, and ESD limiting surge protection.
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Thin Film High Precision and High Reliability Resistors
KOA Speer’s thin film resistors offer high precision and high reliability for automotive and industrial applications - Series include RN73R, RN73H and our recently added WN73H wide terminal resistor.
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Wide Terminal Resistors Provide Higher Power Ratings
KOA Speer's wide terminal chip resistors feature reverse-geometry compared to standard resistors, with closely-spaced electrodes for better heat dissipation and heat-cycle durability. These resistors achieve higher rated power vs standard resistors with similar dimensions allowing for downsizing and increased board space.
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Anti-sulfur Resistors Protect Against Sulfuration of Resistor Electrodes
KOA Speer's anti-sulfur resistors use a high sulfuration-proof inner top electrode material and apply a metal glaze thick film to provide excellent heat resistance and environmental resistance. These resistors are AEC-Q200 tested and pass ASTM-B809 anti-sulfuration testing.
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A leader in Anti-sulfuration Chip Resistors
Silver-based inner electrodes in flat chip resistors can lose conductivity when the silver reacts with sulfur in a high-sulfur environment. The electrodes can lose all conductivity and disconnect the circuit as sulfuration continues.
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