FAQ

1

Structure, material

Q.
What is magnetic coercive force Hc?
  • Ferrite Cores
Q.
What is loss coefficient tanδ?
  • Ferrite Cores
Q.
What is loss coefficient tanσ/μi?
  • Ferrite Cores
Q.
What is hysteresis material constant ηB?
  • Ferrite Cores
Q.
What is Q?
  • Ferrite Cores
Q.
What is effective Q Qe?
  • Ferrite Cores
Q.
What is apparent Q Qapp?
  • Ferrite Cores
Q.
What is temperature coefficient αμi of initial permeability?
  • Ferrite Cores
Q.
What is relative temperature coefficient αF of initial permeability?
  • Ferrite Cores
Q.
What is Curie temperature Tc?
  • Ferrite Cores
Q.
What is disaccommodation D?
  • Ferrite Cores
Q.
What is relative disaccommodation coefficient DF?
  • Ferrite Cores
Q.
What is inductance coefficient AL?
  • Ferrite Cores
Q.
What is volume resistivity ρv?
  • Ferrite Cores
Q.
What is residual magnetic flux density Br?
  • Ferrite Magnets
    • /
  • Neodymium Magnets
Q.
What is permeance coefficient Pc?
  • Ferrite Magnets
    • /
  • Neodymium Magnets
Q.
Does magnetic force (Br) increase in accordance with the coefficients in the ranges of minus temperatures?
  • Ferrite Magnets
    • /
  • Neodymium Magnets
Q.
Do they demagnetize over time?
  • Ferrite Magnets
    • /
  • Neodymium Magnets
Q.
What is low temperature demagnetization?
  • Ferrite Magnets
Q.
What is the HAL production process?
  • Neodymium Magnets
Q.
Are there any differences in temperature characteristic coefficients depending on materials with Neodymium magnets? Also, how much do they fluctuate?
  • Neodymium Magnets
Q.
What is the Gigaspira structure of multilayer inductors? Please explain its features.
Q.
Please explain the types of core materials for inductors for power circuits (Power Inductors) and the characteristic differences among them.
Q.
How can I check each product for compliance with AEC-Q200 (an automotive electronics standard)?

Technical support tools

Q.
Is S-para information available?
  • Chip Beads
Q.
Do you have any materials that explain an overview of TDK chip antennas?
  • Chip Antennas
Q.
What are technical support tools?
  • Multilayer Ceramic Chip Capacitors
    • /
  • Chip Beads
    • /
  • 3-terminal Filters
    • /
  • Signal Line Common Mode Chokes/Filters
    • /
  • Noise Suppression Filters
    • /
  • Baluns
    • /
  • Dividers / Splitters
    • /
  • Chip Varistors / Ceramic Transient Voltage Suppressors
    • /
  • Pulse Transformers and Modules for LAN
Q.
Why should I use these technical support tools?
  • Multilayer Ceramic Chip Capacitors
    • /
  • Chip Beads
    • /
  • 3-terminal Filters
    • /
  • Signal Line Common Mode Chokes/Filters
    • /
  • Noise Suppression Filters
    • /
  • Baluns
    • /
  • Dividers / Splitters
    • /
  • Chip Varistors / Ceramic Transient Voltage Suppressors
    • /
  • Pulse Transformers and Modules for LAN
Q.
What kinds of technical support tools are available?
  • Multilayer Ceramic Chip Capacitors
    • /
  • Chip Beads
    • /
  • 3-terminal Filters
    • /
  • Signal Line Common Mode Chokes/Filters
    • /
  • Noise Suppression Filters
    • /
  • Baluns
    • /
  • Dividers / Splitters
    • /
  • Chip Varistors / Ceramic Transient Voltage Suppressors
    • /
  • Pulse Transformers and Modules for LAN
Q.
What is the difference between the multi-purpose model and the exclusive model for commercially available simulators?
  • Multilayer Ceramic Chip Capacitors
    • /
  • Chip Beads
    • /
  • 3-terminal Filters
    • /
  • Signal Line Common Mode Chokes/Filters
    • /
  • Noise Suppression Filters
    • /
  • Baluns
    • /
  • Dividers / Splitters
    • /
  • Chip Varistors / Ceramic Transient Voltage Suppressors
    • /
  • Pulse Transformers and Modules for LAN