1 data sheet ! note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it?s speci? cations are subject to change or our products in it may be discontinued without advance notice. please check with our sales representatives or product engineers bef ore ordering. 2. this datasheet has only typical speci? cations because there is no space for detailed speci? cations. therefore, please approve our product speci? cations or transact the approval sheet for product speci? cations before ordering. http://www.murata.com/ 1 inductors (coils) > chip inductor (chip coil) > power inductor (wire wound type) 2012.3.1 o this data sheet is applied for chip inductors (chip coils) used for general electronics equipment for your design. chip inductor (chip coil) power inductor (wire wound type) lqh44p_p0 series (1515 size) c dimensions 1.650.15 4.00.2 1.20.2 1.20.2 4.00.2 (in mm) c packaging code packaging minimum quantity l 180mm embossed tape 1000 k 330mm embossed tape 3500 c rated value ( p : packaging code) part number inductance rated current (based on inductance change) rated current (based on temperature rise) dc resistance self resonance frequency (min.) lqh44pn1r0np0 p 1.0h 30% 2950ma 2450ma 0.030ohm 20% 90mhz lqh44pn2r2mp0 p 2.2h 20% 2500ma 1800ma 0.049ohm 20% 70mhz lqh44pn3r3mp0 p 3.3h 20% 2100ma 1770ma 0.065ohm 20% 50mhz lqh44pn4r7mp0 p 4.7h 20% 1700ma 1700ma 0.080ohm 20% 40mhz lqh44pn6r8mp0 p 6.8h 20% 1400ma 1340ma 0.12ohm 20% 35mhz lqh44pn100mp0 p 10h 20% 1150ma 1170ma 0.16ohm 20% 25mhz lqh44pn220mp0 p 22h 20% 800ma 790ma 0.37ohm 20% 17mhz test frequency: 1mhz class of magnetic shield: magnetic shield of magnetic powder in resin operating temperature range (self-temperature rise is included): -40 to +125c operating temperature range (self-temperature rise is not included): -40 to +85c only for re? ow soldering. c notice (rated current) when rated current is applied to the products, inductance will be within 30% of nominal inductance value. when rated current is applied to the products, self-generation of heat will rise to 40c or less. continued on the following page.
2 data sheet ! note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it?s speci? cations are subject to change or our products in it may be discontinued without advance notice. please check with our sales representatives or product engineers bef ore ordering. 2. this datasheet has only typical speci? cations because there is no space for detailed speci? cations. therefore, please approve our product speci? cations or transact the approval sheet for product speci? cations before ordering. http://www.murata.com/ 2 inductors (coils) > chip inductor (chip coil) > power inductor (wire wound type) 2012.3.1 o this data sheet is applied for chip inductors (chip coils) used for general electronics equipment for your design. continued from the preceding page. c inductance-frequency characteristics (typ.) 0.1 1 10 100 1000 0.1 1 10 100 1000 frequency (mhz) inductance (h) 1.0h 2.2h 3.3h 4.7h 6.8h 10h 22h c inductance-current characteristics (typ.) 1.0h 2.2h 3.3h 4.7h 6.8h 10h 22h 0.1 1 10 100 10 100 1000 10000 current (ma) inductance (h) c temperature rise characteristics (typ.) current (ma) temperature rise (c) 50 40 30 20 10 0 0 500 1000 1500 2000 2500 3000 22h 10h 4.7h 2.2h 1.0h c ! 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 pro le where peak solder temperature is below the tin melting point is used. please con rm the solderability of tin plating termination chip before use.
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