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KOA Speer Corporation

KOAKOA Speer excels in producing an extensive range of surface mount passive components that are designed to enhance the optimal functioning of your circuit designs. Renowned within the industry, KOA Speer Electronics stands as the primary provider of resistors, tantalum capacitors, inductors, and integrated components. KOA's array of surface mount passive components is engineered to ensure the utmost performance of your circuit designs. Their dedicated engineering teams are actively working on an extensive spectrum of new, compact sizes and integrated packages to accommodate elevated clock speeds and streamlined product dimensions. This encompasses resistors, inductors, EMI/RFI suppressors, MLCC, SMD/SMT components, resistor networks, arrays, as well as thick and thin film resistors. Backed by world-class manufacturing facilities, KOA Speer is well-prepared to accelerate production with new designs, ensuring the shortest lead times to market.

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KOA Speer is a Japanese electronic passive components supplier founded in 1940 in Tokyo and is based in Ina, Nagano, in the Nagano Prefecture. KOA is one of the largest manufacturers of SMD resistors worldwide. The range of products covers Low Temperature Co-Fired Ceramic (LTCC), Resistors, Temperature Sensors, Inductors, Fuses and Varistors.

KOA SPEER PRODUCT LINE

Discrete Semiconductors

ESD Suppressors / TVS Diodes
Circuit Protection
Circuit Protection Kits
Thermistors
Varistors
Fuses
Passive Components

Capacitors
Resistors
EMI Filters / EMI Suppression
Thermistors - NTC
Ferrites
Thermistors - PTC
Inductors, Chokes & Coils
Varistors
Sensors

Temperature Sensors
Thermal Management
Thermistors

KOA Speer Catalog

Featured Products

  • TLR2BP 1.5W 1206 Current Sense Resistors

    TLR2BP 1.5W 1206 Current Sense Resistors

    AEC-Q200 qualified, features 1.5W power rating in 1206 package with superior corrosion resistance.
  • UR73V High Temp Current Sense Chip Resistors

    UR73V High Temp Current Sense Chip Resistors

    1206 thick film current detecting resistors with low resistance and high accuracy.
  • KOA Speer SLN3 Molded Current Sense Resistor

    KOA Speer SLN3 Molded Current Sense Resistor

    Molded resin resistor with excellent dimensional accuracy, shock resistance and mountability.
  • SL Series Molded Current Sense Resistors

    SL Series Molded Current Sense Resistors

    AEC-Q200 qualified for automotive applications.
  • PSI Series Power Shunt Resistors

    PSI Series Power Shunt Resistors

    3W power rating allows smooth current flow ideal for large current detecting.
  • PSE Series Power Shunt Resistors

    PSE Series Power Shunt Resistors

    Offer smooth current flow ideal for large current detecting.
  • RK73H-RT AEC-Q200 Thick Film Chip Resistor

    RK73H-RT AEC-Q200 Thick Film Chip Resistor

    Made with a sulfur-proof electrode material, features precision tolerances of 0.5% and 1.0%, a resistance range of 10Ω ~ 10MΩ and is AEC-Q200 qualified.
  • TLR Series Current Sense Resistors

    TLR Series Current Sense Resistors

    Feature filletless products with high reliability and performance and low resistance.
  • SG73 Series Surge Current Thick Film Resistors

    SG73 Series Surge Current Thick Film Resistors

    Superior to RK73B/RK73H series in surge dielectric withstanding voltage.
  • HV73 Flat Chip Resistors

    HV73 Flat Chip Resistors

    Flat chip resistors for high voltage.