Spec Sheet
Metal Core Wire-wound Chip Power Inductors (MCOIL™, MA series)
MAKK2520T4R7M
Features
Item Summary
4.7uH±20%, 1.1A, 1008/2520 (EIA/JIS)
Lifecycle Stage
Mass Production
Standard packaging quantity (minimum)
Taping Embossed 3000pcs
Products characteristics table
Inductance
Case Size (EIA/JIS)
Rated Current (max)
Saturation Current (max)
Saturation Current (typ)
Temperature Rise Current (max)
Temperature Rise Current (typ)
DC Resistance (max)
DC Resistance (typ)
LQ Measuring Frequency
Operating Temp. Range
Temperature characteristic
(Inductance change)
RoHS2 Compliance (10 subst.)
REACH Compliance (181 subst.)
Halogen Free
Soldering
Yes
Yes
Yes
Reflow
4.7 uH ± 20 %
1008/2520
1.1 A
1.3 A (⊿L=30%)
1.6 A (⊿L=30%)
1.1 A (⊿T=40℃)
1.2 A (⊿T=40℃)
0.3 Ω
0.25 Ω
2 MHz
-40 to +105 ℃
(Including-self-generated heat)
± 15 %
External Dimensions
Dimension L
Dimension W
Dimension T
Dimension e
2.5 ±0.2 mm
2.0 ±0.2 mm
Max 1.0 mm
0.5 ±0.3 mm
Recommended Land Patterns
2018.11.30
The data is reference only. Electrical characteristics vary depending on environment or measurement condition.
TAIYO YUDEN reserves the right to make change to the data at any time without notice.
Before making final selection, please check product specification.
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Halogen free / RoHS compliant
Wire Wound Inductor
-Electrical Characteristics Data-
2018/6/18
Metal Core Wire-wound Chip Power Inductors (MCOIL™, MA series)
MCOIL
TM
Dimension
Length :
Width :
Height :
unit : mm
2.5 + / - 0.2
2.0 + / - 0.2
1.0
max.
uH
0.3
1,300
1,100
unit : inch
( 0.098 + / - 0.008 )
( 0.079 + / - 0.008 )
( 0.039
max. )
MAKK2520T4R7M
Inductance :
4.7
DC Resistance : 0.25
Saturation Current : 1,600
Temp. rise Current : 1,200
( test freq at 2MHz )
ohm ( typ / max )
mA ( typ / max )
mA ( typ / max )
/
/
/
Saturation current typical : 30% reduction from initial L value.
Temp rise Current typical : Temperature will rise by 40 deg C
DC Bias vs Inductance
10
60
DC Bias vs Temperature
Self-temperature rise [deg]
0
400
800
1200
1600
2000
8
50
40
30
20
10
0
0
400
800
1200
1600
2000
Inductance [uH]
6
4
2
0
DC Bias [mA]
DC Bias [mA]
Frequency vs Inductance
100
Inductance [uH]
10
1
0.1
0.1
1
10
100
1000
Frequency [MHz]
The data is reference only. Electrical characteristics vary depending on environment or measurement condition.
TAIYO YUDEN reserves the right to make change to the data at any time without notice.
Before making final selection, please check product specification.
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Notice for TAIYO YUDEN Products
Please read this notice before using the TAIYO YUDEN products.
!
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products.
REMINDERS
Please conduct validation and verification of our products in actual condition of mounting and operating environment before using our
The product listed in this spec sheet is intended for use in general electronic equipment (e.g., AV equipment, OA equipment, home electric
appliances, office equipment, information and communication equipment including, without limitation, mobile phone, and PC) and medical
equipment classified as Class I or II by IMDRF. Please be sure to contact TAIYO YUDEN for further information before using the products for any
equipment which may directly cause loss of human life or bodily injury (e.g., transportation equipment including, without limitation,
automotive powertrain control system, train control system, and ship control system, traffic signal equipment, disaster prevention equipment,
medical equipment classified as Class III by IMDRF, highly public information network equipment including, without limitation, telephone
exchange, and base station).
Please do not incorporate our products into any equipment requiring high levels of safety and/or reliability (e.g., aerospace equipment,
aviation equipment*, medical equipment classified as Class IV by IMDRF, nuclear control equipment, undersea equipment, military
equipment).
*Note:
There is a possibility that our products can be used only for aviation equipment that does not directly affect the safe operation of aircraft (e.g., in-flight
entertainment, cabin light, electric seat, cooking equipment) if such use meets requirements specified separately by TAIYO YUDEN. Please be sure to
contact TAIYO YUDEN for further information before using our products for such aviation equipment.
When our products are used even for high safety and/or reliability-required devices or circuits of general electronic equipment, it is strongly
recommended to perform a thorough safety evaluation prior to use of our products and to install a protection circuit as necessary.
Please note that unless you obtain prior written consent of TAIYO YUDEN, TAIYO YUDEN shall not be in any way responsible for any damages
incurred by you or third parties arising from use of the product listed in this spec sheet for any equipment requiring inquiry to TAIYO YUDEN or
prohibited for use by TAIYO YUDEN as described above.
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Information contained in this spec sheet is intended to convey examples of typical performances and/or applications of our products and is not
intended to make any warranty with respect to the intellectual property rights or any other related rights of TAIYO YUDEN or any third parties
nor grant any license under such rights.
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Please note that the scope of warranty for our products is limited to the delivered our products themselves and TAIYO YUDEN shall not be in
any way responsible for any damages resulting from a fault or defect in our products. Notwithstanding the foregoing, if there is a written
agreement (e.g., supply and purchase agreement, quality assurance agreement) signed by TAIYO YUDEN and your company, TAIYO YUDEN will
warrant our products in accordance with such agreement.
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The contents of this spec sheet are applicable to our products which are purchased from our sales offices or authorized distributors
(hereinafter “TAIYO YUDEN’s official sales channel”). Please note that the contents of this spec sheet are not applicable to our products
purchased from any seller other than TAIYO YUDEN’s official sales channel.
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Caution for Export
The product listed in this spec sheet may require specific procedures for export according to “U.S. Export Administration Regulations”, “Foreign
Exchange and Foreign Trade Control Law” of Japan, and other applicable regulations. Should you have any questions on this matter, please
contact our sales staff.
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