Profile: KOA Speer Electronics is a manufacturer of surface mount passive components. Our products include thick & thin film resistors, current sensing resistors & resistor arrays, thermal sensors, fuses & varistors for circuit protection, wire wound, multilayer, power & thin film inductors, ceramic capacitors & capacitor arrays, multilayer, three-terminal & ferrite bead EMI/EMC filters & diode, resistor & R-C integrated components. Our multilayer ferrite inductor features monolithic structure for closed magnetic path eliminates crosstalk and provides high reliability in a wide temperature and humidity range. Our power choke coil features magnetic shielded power chip inductors with a little leakage magnetic flux.