FAQ

1

Technical support tools

Q.
What is the difference between S-parameters and Netlists?
  • Multilayer Ceramic Chip Capacitors
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  • Chip Beads
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  • 3-terminal Filters
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  • Signal Line Common Mode Chokes/Filters
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  • Noise Suppression Filters
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  • Baluns
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  • Dividers / Splitters
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  • Chip Varistors / Ceramic Transient Voltage Suppressors
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  • Pulse Transformers and Modules for LAN
Q.
What about new products and discontinued models?
  • Multilayer Ceramic Chip Capacitors
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  • Chip Beads
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  • 3-terminal Filters
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  • Signal Line Common Mode Chokes/Filters
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  • Noise Suppression Filters
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  • Baluns
    • /
  • Dividers / Splitters
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  • Chip Varistors / Ceramic Transient Voltage Suppressors
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  • Pulse Transformers and Modules for LAN

Troubleshooting

Q.
How is Ag migration avoided?
  • PTC Thermistors as Heating Elements
Q.
What should be done if the input side fuse of the power supply has become fused?
  • DC-DC Converters
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  • AC-DC Power Supplies
Q.
What happens during use if the sensing wires are accidentally left open?
  • DC-DC Converters
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  • AC-DC Power Supplies
Q.
Please explain the checkpoints for when there is an operational failure.
  • DC-DC Converters
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  • AC-DC Power Supplies
Q.
Please explain the checkpoints for when there are no outputs.
  • DC-DC Converters
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  • AC-DC Power Supplies
Q.
Please explain the checkpoints for when the output voltages are low.
  • DC-DC Converters
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  • AC-DC Power Supplies
Q.
Please explain the checkpoints for when the outputs are abruptly stopped.
  • DC-DC Converters
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  • AC-DC Power Supplies
Q.
Please explain the checkpoints for when the outputs are unstable.
  • DC-DC Converters
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  • AC-DC Power Supplies
Q.
Please explain the checkpoints for when the ripple and noise are high.
  • DC-DC Converters
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  • AC-DC Power Supplies
Q.
The cover of power supply was unnecessary. Is it OK to use the product with the cover removed? (On the other hand, the cover was necessary. Do you sell only the cover separately?)
  • AC-DC Power Supplies
Q.
The output LED is flashing. Is this normal?
  • AC-DC Power Supplies

Others

Q.
Buyer Beware (1): What is a counterfeit component? What risks do they involve?
  • Multilayer Ceramic Chip Capacitors
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  • MLCC with Dipped Radial Lead
Q.
Buyer Beware (2): If I suspect I have a counterfeit part what should I do?
  • Multilayer Ceramic Chip Capacitors
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  • MLCC with Dipped Radial Lead
Q.
Buyer Beware (3): Why are counterfeit electronic components on the rise?
  • Multilayer Ceramic Chip Capacitors
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  • MLCC with Dipped Radial Lead
Q.
Buyer Beware (4): Does TDK support failure analysis or other customer service for counterfeit parts?
  • Multilayer Ceramic Chip Capacitors
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  • MLCC with Dipped Radial Lead
Q.
New MLCC (Multilayer Ceramic Capacitor) Catalog Numbers (1): Why have the catalog numbers changed?
  • Multilayer Ceramic Chip Capacitors
Q.
New MLCC (Multilayer Ceramic Capacitor) Catalog Numbers (2): When have the new catalog numbers become effective?
  • Multilayer Ceramic Chip Capacitors
Q.
New MLCC (Multilayer Ceramic Capacitor) Catalog Numbers (3): How has the label for the new catalog number changed?
  • Multilayer Ceramic Chip Capacitors
Q.
New MLCC (Multilayer Ceramic Capacitor) Catalog Numbers (4): Which "catalog number" and "item description" should I use as TDK's part number?
  • Multilayer Ceramic Chip Capacitors
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  • MLCC with Dipped Radial Lead
Q.
New MLCC (Multilayer Ceramic Capacitor) Catalog Numbers (5): Which number do I use to order?
  • Multilayer Ceramic Chip Capacitors
Q.
New MLCC (Multilayer Ceramic Capacitor) Catalog Numbers (6): I really like the sample feature available on tdk.com, but as an OEM, I am confused as to which number I should reference in my BOM.
  • Multilayer Ceramic Chip Capacitors
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  • MLCC with Dipped Radial Lead
Q.
New MLCC (Multilayer Ceramic Capacitor) Catalog Numbers (7): My BOM contains a mix of OEM part numbers and new/old catalog numbers – will TDK support all?
  • Multilayer Ceramic Chip Capacitors
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  • MLCC with Dipped Radial Lead
Q.
What is a PPAP (1): What is a PPAP?
  • Multilayer Ceramic Chip Capacitors
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  • MLCC with Dipped Radial Lead
Q.
What is a PPAP (2): What are the elements in the PPAP checklist?
  • Multilayer Ceramic Chip Capacitors
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  • MLCC with Dipped Radial Lead
Q.
What is a PPAP (3): What is the meaning of the PPAP levels?
  • Multilayer Ceramic Chip Capacitors
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  • MLCC with Dipped Radial Lead
Q.
What is a PPAP (4): Why is a PPAP negotiation necessary?
  • Multilayer Ceramic Chip Capacitors
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  • MLCC with Dipped Radial Lead
Q.
What is a PPAP (5): How do I negotiate the terms and conditions of "Material performance results" of the PPAP?
  • Multilayer Ceramic Chip Capacitors
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  • MLCC with Dipped Radial Lead
Q.
What is a PPAP (6): When is a PPAP required?
  • Multilayer Ceramic Chip Capacitors