MMZ-E Series Brief Datasheet by TDK Corporation

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Ferrite Chip Beads—MMZ-E Series
GHZ noise countermeasure (general & high-speed signal lines) - consumer & automotive applications
Applications
Consumer Automotive
 Mobile devices, including smartphone and
tablet terminals  ECU’s, powertrain, and body control
 PCs and recorders, household appliances
such as STBs, smart grids, and industrial
equipment
 Car multimedia (telematics)
TDK’s MMZ-E Series ferrite chip beads are used to suppress noise in both signal and power supply circuits. They are effective at reducing noise simply by being
placed into the circuit in series. Multilayer chip beads consist of ferrite material and a conductive paste layered together. The equivalent circuit diagram of a chip
bead consists of a reactance component, X, and a resistive component, R. The combined impedance of X and R is denoted as impedance Z. The static
characteristics of a chip bead are typically described as the impedance value Z at a frequency of 100MHz. While several different chip beads could have the
same impedance value at 100MHz, it is important to look at their individual frequency characteristics to determine which bead will work best for the circuit within
the required frequency range. TDK offers up to four material types which provide various frequency characteristics for MMZ-E series chip beads in a variety of
case sizes, each suited to different applications. Availability of materials varies with case size.
Consumer Datasheets: 0603 1005
Features
 Noise reduction solution for general and high-speed signals
 SRF is increased to the GHZ bands to countermeasure noise at wide frequencies with
one element (as compared to the MMZ series)
 High impedance can be attained at the GHz bands
 Conforms to RoHS directive, halogen free, & compatible with lead-free soldering
 Standard operating temperature range of –55°C to +125°C
 Storage temperature range of –55°C to 125°C (after PC board mounting)
Consumer Automotive
 Case size: 1005
 AEC-Q200 compliant
 Case sizes: 0603 & 1005
Equivalent Circuit Diagram of a Chip Bead
Internal Structure Diagrams of a Multilayer Chip Bead
High Frequency Ferrite Bead (Horizontal Structure)
Automotive Datasheets: 1005
@TDK _ — _:] ITYPICAL MATERIAL IMPEDANCE CHARACTERISTICS 2500 m 0 \ iE a J 10 1m 1000
S material Signal line applications in which the
blocking region is near 100MHz A material High-Impedance
D material Low Insertion Loss at Low Frequency
& High Impedance at High Frequency
Standard type that features impedance characteristics similar to those of a typical
ferrite core. For signal line applications in which the blocking region is near
100MHz. Impedance values selected for effectiveness at 40 to 300MHz.
This high-impedance product is based on the impedance frequency characteristics of
our Y-material. The product offers excellent impedance characteristics, which is
greater than 2500, in the vicinity of 100MHz range (MMZ1608A252B).
For applications calling for low insertion loss at low frequency and sharply
increasing impedance at high frequencies. Designed for high impedance at
high frequencies (300MHz to 1GHz) for signal line applications.
This new product inherits the characteristic of our D-material, namely its sharp
impedance rise time, and its impedance peak frequency has been shifted higher
into range. The product offers excellent noise suppression from 600MHz to
as high as in the GHz range.
MMZ-E Series Material Selection Guide
F material High Impedance Peak Frequency
(600MHz & Above)

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