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About Part Number Categories

Part Numbering System

When ordering our products for the first time, please review the documentation on the part numbering system and usage precautions, and ensure that you use the new part numbers for the applicable products.

Definitions of Each Category

Category Quality Management System Test Standards Test Conditions / Warranty Conditions Recommended Applications
(E.g., For MLCC *)
2nd Digit Code
A IATF16949 AEC-Q200 Refer to the specifications for each product.
  • Automotive Electronics Equipment(POWERTRAIN, SAFETY)
C IATF16949/ISO9001 AEC-Q200 / IEC Standards (JIS/EIA)
  • Automotive Electronic Equipment(BODY & CHASSIS, INFOTAINMENT)
  • Telecommunications Infrastructure and Industrial Equipment
  • Medical Devices classified as GHTF Class C (Japan Class III)
S ISO9001 IEC Standards(JIS/EIA)
  • Part of Telecommunications Infrastructure and Industrial Equipment
  • General Electronic Equipment for Consumer
  • Medical Devices classified as GHTF Classes A or B (Japan Classes I or II)
  • Mobile Devices
  • *Note
    As it may differ depending on each product, when using our products, please check available applications specified in the product catalog or the individual product specifications and use the corresponding products.

List of Categories for Each Product Group

Product Group 1st Digit Code Category (2nd Digit Code)
A C S
Multilayer Ceramic Capacitors M ✓ ✓ ✓
Wire-Wound Inductors L ✓ ✓ ✓
Multilayer Inductors L ✓ ✓ ✓
Ferrite Bead Inductors L ✓ ✓ ✓
Ceramic RF Devices T - ✓ ✓
FBAR/SAW Devices for Communications F - ✓ ✓
Conductive Polymer Hybrid Aluminum Electrolytic Capacitors R ✓ - * ✓
  • ※
    *Note: The 2nd digit code "C" of the part number is consolidated into "A".
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