MPZ1608R391ATD25

Overview

The TDK MPZ1608R391ATD25 is a shielded, multi-layer ferrite chip bead designed for power line noise suppression in automotive applications. It operates within a temperature range of -55°C to +125°C and meets AEC-Q200 qualification standards. The component features a 0603 (1608 metric) surface-mount package with dimensions of 1.6 mm length, 0.8 mm width, and 0.8 mm height. It provides an impedance of 390 Ohms at a test frequency of 100 MHz with a tolerance of ±25%. The maximum DC current rating is 1.2 A, and the maximum DC resistance is 120 mOhms.

Feature Summary

• Shielded construction minimizes electromagnetic interference coupling between adjacent components on the circuit board.
• Designed specifically for power line applications to suppress high-frequency noise while maintaining low DC resistance.
• Qualified for automotive grade reliability under the AEC-Q200 standard.

Applications

• Automotive electronic systems requiring AEC-Q200 compliance
• Power supply input/output filtering circuits
• High-frequency noise suppression on power lines

Procurement Notes

Verify the specific suffix TD25 against official TDK documentation to confirm reel packaging specifications and tape-and-reel dimensions. Ensure the procurement order explicitly references the full part number to distinguish it from non-automotive or different impedance variants within the MPZ series. Cross-reference the manufacturer's latest datasheet for any potential obsolescence notices or pinout revisions before finalizing purchase orders.

Selection Notes

Select this component when designing for automotive environments requiring robust EMI suppression on power rails. The 1.2 A current rating supports moderate power loads, while the 390 Ohm impedance at 100 MHz targets specific noise frequencies. The shielded design is critical for dense PCB layouts where crosstalk must be minimized. Verify that the 0603 footprint aligns with the target assembly capabilities and thermal management requirements.

Part Context

This component belongs to the TDK MPZ series of multi-layer ferrite beads. The MPZ series is characterized by its shielded structure, which reduces magnetic field leakage compared to unshielded alternatives. This specific model is tailored for automotive-grade applications, ensuring durability and performance consistency under varying thermal conditions typical in vehicle electronics.

Replacement Considerations

Direct substitutes include other TDK MPZ series parts with identical 0603 footprints and similar impedance/current ratings, such as MPZ1608R221ATD25. Verify that any replacement maintains AEC-Q200 qualification and shielded construction if EMI isolation is required. Check impedance curves to ensure adequate noise suppression at the target frequency.

FAQ

What is the test frequency for the specified impedance value?

The impedance of 390 Ohms is measured at a test frequency of 100 MHz.

Is this component suitable for high-temperature automotive environments?

Yes, it is qualified for AEC-Q200 and operates reliably within a temperature range of -55°C to +125°C.

Does the MPZ1608R391ATD25 have a shielded design?

Yes, the component features a shielded structure to minimize electromagnetic interference coupling.