Mag Layers GMLB-3216 A User Manual
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GMLB chip beads can be used in a variety of electronic applications including:
Computers and Computer Peripherals
Cellular Communication Equipment
Digital Cameras
Digital Televisions
Audio Equipment
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the latest in multilayer technology, we have developed chip beads that are able to
resolve all EMI/EMC issues. High quality, reliability, and versatility make the
GMLB series chip beads suitable for all your design needs.
Multi-line EMI Suppression
High Density Packaging
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The GMLB Series is Mag.Layers’ line of high quality ferrite chip beads. Using
M-series chip arrays contain four ferrite beads in a single package. This compact
design makes the M-series perfect for EMI suppression on multiple-lines.
M-series chip arrays have a compact package design that is an ideal for high density
packaging.
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Multi-frequency Applications
M-series chip arrays are available in A-type and B-type. The A-type chip arrays are
designed for lower frequency applications. The B-type chip arrays are designed for
high frequency applications.
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G M L B -
Product Code
Dimension Code
Impedance (at 100 MHz)
Series Type
Design Code
Code for Special Specification
＊N8=A Type,N7=B Type
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3 2 1 6 - 0 1 2 0 M 4 - N 8
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MAG.LAYERS
GMLB-3216-A Series
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D P
PRODUCT
NO.
GMLB-3216
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In operating temperatures exceeding +85℃, derating of current is necessary for chip
ferrite beads for which rated current is 1.5A or over. Please apply the derating curve
shown below according to the operating temperature.
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A B C D E P
3.2±0.2
(0.126±0.008)
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(0.063±0.008)
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1.6±0.2
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B
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(0.035±0.008)
0.9±0.2
0.4±0.2
(0.015±0.008)
NOTE：Dimensions in mm
0.3±0.2
(0.012±0.008)
0.8±0.1
(0.031±0.004)
Rated Current (A)
7
6
5
4
3
2
1.5
1
85 125
Operating Temperature(℃)
MAG.LAYERS
GMLB-3216-A Series
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Part Number
GMLB-3216-0030M4-N8
GMLB-3216-0060M4-N8
GMLB-3216-0120M4-N8
GMLB-3216-0240M4-N8
GMLB-3216-0300M4-N8
GMLB-3216-0470M4-N8
GMLB-3216-0600M4-N8
GMLB-3216-1000M4-N8
Temperature rise should be less than 40℃ for P-type and less than 25℃ for other
types when rated current is applied.
Impedance (Ω)
at 100 MHz
30±25% 350
60±25%
120±25%
240±25%
300±25%
470±25% 1.0
600±25% 1.5 100
1000±25% 1.7 50
RDC (Ω)
Max.
0.4
0.8
Rated Current
(mA) Max.
250
150
Operating
Temp. Range (℃)
-55 ~ +125
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Test Instrument:
Z:
Agilent 4291B Impedance Analyzer, Test Fixture: Agilent 16192
Osc. Level: 500mV
RDC: Agilent 34401A
Test Condition:
< Unless otherwise specified >
Temperature: 15°C to 35°C Humidity: 25% to 85% RH
< In case of doubt >
Temperature: 25°C ± 2°C Humidity: 60% to 70% RH
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MAG.LAYERS
GMLB-3216-A Series
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