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Inductors(coils)/Microchip Transformer > Chip Inductors (Chip Coils) > for DC-DC Converter Wire Wound Type
Data Sheet
1
Chip Inductors (Chip Coils)
I Dimensions
1.650.15 3.70.2 4.00.2 0.35 min.
for DC-DC Converter Wire Wound Type
LQH44P Series (1515 Size)
I Packaging
Code L K Packaging 180mm Embossed Tape 330mm Embossed Tape Minimum Quantity 1000 3500
4.00.2
2.4 min.
1.20.2 1.0 min. 1.20.2 (in mm)
I Rated Value (p: packaging code)
Part Number LQH44PN1R0NP0p LQH44PN2R2MP0p LQH44PN3R3MP0p LQH44PN4R7MP0p LQH44PN6R8MP0p LQH44PN100MP0p LQH44PN220MP0p Inductance 1.0H30% 2.2H20% 3.3H20% 4.7H20% 6.8H20% 10H20% 22H20% Inductance Allowable DC Current Test Frequency (Based on Temperature Rise) 1MHz 1MHz 1MHz 1MHz 1MHz 1MHz 1MHz 2450mA 1800mA 1770mA 1700mA 1340mA 1170mA 790mA Allowable DC Current (Based on Inductance Change) 2950mA 2500mA 2100mA 1700mA 1400mA 1150mA 800mA DC Resistance 0.030ohm20% 0.049ohm20% 0.065ohm20% 0.080ohm20% 0.12ohm20% 0.16ohm20% 0.37ohm20% Self Resonance Frequency (min.) 90MHz 70MHz 50MHz 40MHz 35MHz 25MHz 17MHz Class of Magnetic Shield Magnetic shield of magnetic powder in resin Magnetic shield of magnetic powder in resin Magnetic shield of magnetic powder in resin Magnetic shield of magnetic powder in resin Magnetic shield of magnetic powder in resin Magnetic shield of magnetic powder in resin Magnetic shield of magnetic powder in resin
Operating Temperature Range: -40C to +85C Only for reflow soldering.
I Notice (Allowable DC Current)
When Allowable DC Current is applied to the Products, self-generation of heat will rise to 40C or less. When Allowable DC Current is applied to the Products, Inductance will be within +-30% of nominal Inductance value.
3.50.2
Continued on the following page.
o This data sheet is applied for CHIP INDUCTORS (CHIP COILS) used for General Electronics equipment for your design.
! Note:
1. This datasheet is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it's specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering. 2. This datasheet has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
2009.1.8
http://www.murata.com/
Inductors(coils)/Microchip Transformer > Chip Inductors (Chip Coils) > for DC-DC Converter Wire Wound Type
Data Sheet
Continued from the preceding page.
2
I Inductance - Frequency Characteristics (Typ.)
1000 22H 10H 100 Inductance (H) 6.8H
I Inductance - Current Characteristics (Typ.)
100 22H 10H 6.8H 4.7H Inductance (H)
4.7H 10 3.3H 2.2H 1 1.0H
10 3.3H
2.2H 1 1.0H
0.1 0.1
1
10 Frequency (MHz)
100
1000
0.1 10
100 DC Current (mA)
1000
10000
I !Caution/Notice
!Caution (Rating) Do not use products beyond the rated current as this may create excessive heat. Notice Solderability of Tin plating termination chip might be deteriorated when low temperature soldering profile where peak solder temperature is below the Tin melting point is used. Please confirm the solderability of Tin plating termination chip before use.
o This data sheet is applied for CHIP INDUCTORS (CHIP COILS) used for General Electronics equipment for your design.
! Note:
1. This datasheet is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it's specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering. 2. This datasheet has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
2009.1.8
http://www.murata.com/

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