Vertically integrated production with advanced materials science, precision processing, and automated quality control.
| Metric | Capacity |
|---|---|
| MLCC Monthly Output | Billions of units |
| Inductor Production Lines | 50+ automated lines |
| Power Supply Assembly | 10,000+ units/month |
| Ferrite Core Capacity | Hundreds of millions/year |
| Sensor MEMS Wafer Processing | 8-inch wafer fab |
| Certification | Scope |
|---|---|
| ISO 9001:2015 | All manufacturing sites |
| IATF 16949:2016 | Automotive product lines |
| ISO 14001:2015 | All manufacturing sites |
| IEC 61300 (Fiber) | Optical components |
| AEC-Q200 | Automotive passive components |
Engineering support from prototype to mass production.
Non-standard capacitance values, inductance ranges, and voltage ratings. Our design team works from your electrical specifications to select or develop the optimal component.
Tape-and-reel, tray, tube, or bulk packaging. Custom reel quantities, special labeling with your part numbers, and humidity-sensitive component handling per J-STD-033.
Vendor-managed inventory, kanban delivery, consignment stocking, and blanket purchase agreements. Designed to reduce your carrying costs while ensuring production continuity.
Every TDK component undergoes multi-stage quality verification before shipment.
Passive component selection in telecommunications involves inherent engineering trade-offs. Understanding these helps specify the right TDK part for each application.
C0G (NP0) capacitors offer near-zero capacitance drift over temperature and voltage, making them the default for RF matching and timing circuits. However, C0G is limited to approximately 10 nF at practical package sizes (0402-0805), which forces designers to X7R or X5R for bulk decoupling. X7R provides higher capacitance density but loses up to 80% of rated capacitance under DC bias at rated voltage, a critical consideration for VRM decoupling in server and base station power circuits. X5R offers even higher density but with tighter temperature limits (-55 to +85 degree C versus X7R's +125 degree C). Designers must balance capacitance density, voltage derating, and thermal stability for each node in the circuit.
The choice between Active Optical Networks (AON) and Passive Optical Networks (PON) directly affects component requirements. AON architectures use powered equipment at each split point, offering dedicated bandwidth per subscriber and reach up to 80 km, but require more power supply units and active electronics at field cabinets. PON uses unpowered optical splitters, reducing operational costs and simplifying outside plant maintenance, but shares bandwidth among subscribers and typically limits reach to 20 km. For TDK components, AON deployments consume more DC-DC converters and EMI filters per node, while PON deployments concentrate power requirements at the OLT, favoring high-efficiency centralized Lambda power shelves.
Component performance is bounded by physics. These limitations apply to TDK products and must be factored into design.
X7R and X5R ceramic capacitors exhibit significant capacitance loss under applied DC voltage. A 10 uF / 16V X7R capacitor may retain only 2 uF effective capacitance at 16V DC bias. Always consult the DC bias curve in the product datasheet and design with adequate margin. TDK provides SEAT (Simulation of Electrical characteristics for Advanced Technology) tools for accurate in-circuit capacitance prediction.
Power inductors and ferrite cores have a maximum saturation current beyond which inductance drops sharply (typically defined as the current at which inductance decreases by 30%). Exceeding this limit in switch-mode power supplies causes increased ripple current and potential thermal runaway. Rated current specifications assume 25 degree C ambient; at elevated temperatures (85 degree C+), derate saturation current by 10-20% depending on core material.
Large-case MLCCs (1206 and above) are susceptible to flex cracking when mounted on PCBs that undergo bending during assembly or thermal cycling. TDK offers soft-termination (metal-metal bonding) and open-mode safety capacitors that fail open rather than short. For applications with high mechanical stress, consider smaller case sizes (0402, 0603) distributed across more mounting points, or use TDK's MEGACAP polymer capacitors as an alternative.
Our engineering team can evaluate your application and recommend the right TDK components.
Contact Engineering