shielded power inductors - ser2900 document 644-1 inductance 2 dcr 3 srf i sat (a) 5 i rms (a) 6 10% (mohms) typ 4 10% 20% 30% 20c 40c part number 1 (h) nom max (mhz) drop drop drop rise rise ser2915l-152kl 1.5 1.50 1.65 60 100 >100 >100 20 30 ser2915h-222kl 2.2 1.86 2.05 40 100 >100 >100 20 30 ser2915l-222kl 2.2 1.50 1.65 50 82.0 84.0 84.8 20 30 ser2918h-332kl 3.3 2.60 2.86 40 91.0 92.5 93.6 20 28 SER2915H-332KL 3.3 1.86 2.05 30 62.0 66.9 68.4 20 30 ser2915l-332kl 3.3 1.50 1.65 40 48.0 54.0 57.0 20 30 ser2918h-472kl 4.7 2.60 2.86 30 59.0 61.2 62.4 20 28 ser2915h-472kl 4.7 1.86 2.05 25 42.0 48.0 50.1 20 30 ser2915l-472kl 4.7 1.50 1.65 30 33.0 36.9 39.0 20 30 ser2918h-682kl 6.8 2.60 2.86 25 42.0 45.0 45.9 20 28 ser2915h-682kl 6.8 1.86 2.05 20 30.0 34.5 36.2 20 30 ser2915l-682kl 6.8 1.50 1.65 25 22.0 26.0 27.8 20 30 ser2918h-103kl 10 2.60 2.86 20 28.0 31.2 32.1 20 28 ser2915h-103kl 10 1.86 2.05 15 18.0 21.5 23.4 20 30 ser2915l-103kl 10 1.50 1.65 20 13.0 16.2 17.6 20 30 ser2918h-153kl 15 2.60 2.86 16 18.0 21.2 21.9 20 28 ser2915h-153kl 15 1.86 2.05 12 11.5 14.0 15.2 20 30 ser2915l-153kl 15 1.50 1.65 15 7.5 9.8 11.0 20 30 ser2918h-223kl 22 2.60 2.86 15 12.0 14.0 15.0 20 28 ser2915h-223kl 22 1.86 2.05 10 7.0 8.6 9.6 20 30 ser2915l-223kl 22 1.50 1.65 10 4.5 6.0 6.8 20 30 ser2918h-333kl 33 2.60 2.86 10 7.0 8.7 9.6 20 28 ser2915h-333kl 33 1.86 2.05 8 4.0 5.1 5.9 20 30 ser2915l-333kl 33 1.50 1.65 7 2.0 2.6 3.3 20 30 core material ferrite terminations leads: rohs compliant tin-silver over copper base pad: rohs compliant gold over nickel over phos bronze other terminations available at additional cost. weight ser2915l C 28.5 g; ser2915h C 29.7 g; ser2918h C 35.7 g ambient temperature C40c to +85c with i rms current, +85c to +125c with derated current storage temperature component: C40c to +125c. tray packaging: C40c to +80c resistance to soldering heat max three 40 second refows at +260c, parts cooled to room temperature between cycles moisture sensitivity level (msl) 1 (unlimited foor life at <30c / 85% relative humidity) failures in time (fit) / mean time between failures (mtbf) 38 per billion hours / 26,315,789 hours, calculated per telcordia sr-332 packaging 25 pieces per tray pcb washing tested to mil-std-202 method 215 plus an additional aqueous wash. see doc787_pcb_washing.pdf . ? same electrical specifcations as coilcrafts ser2800 ? extremely low dcr; current handling to >100 amps ? third mounting pad for greater stability and board adhesion 1. when ordering, specify termination code: ser2915-333k l termination: l = rohs compliant tin-silver over copper. special order: t = rohs tin-silver-copper (95.5/4/0.5) or s = non-rohs tin-lead (63/37). 2. inductance measured at 500 khz, 0.1 vrms, 0 adc on an agilent/hp 4284a lcr meter or equivalent. 3. dcr measured on a keithley 580 micro- ohmmeter or equivalent. 4. srf measured using an agilent/hp 4395a network analyzer and an agilent/hp 16092a test fxture. 5. peak dc current at which the inductance drops the specifed amount from its value without current. when i sat rating is less than i rms, i sat is the more critical specifcation. 6. current that causes the specifed tempera - ture rise from 25c ambient. when i rms is greater than i sat, i sat is the more critical specifcation, and i rms is shown in gray type . see temperature rise vs current curve on next page. 7. electrical specifcations at 25c. refer to doc 362 soldering surface mount components before soldering. document 644-1 revised 08/28/14
document 644-2 revised 08/28/14 document 644-2 recommended land p attern 0.006/0,152 1.10 27,9 max 0.78 19,8 0.150 3,8 min 0.270 6,9 1.100 27,94 0.150 3,8 0.261 0.020 6,63 0,51 max height (see tab le) max 0.095 2,41 0.095 2,41 12 3 0.210 5,33 0.250 6,35 0.220 5,59 0.200 5,08 0.208 5,28 0.455 11,56 c l c l maxim um height ser2915l 0.605 / 15,36 ser2915h 0.605 / 15,36 ser2918h / 0.700 17,78 ser29xxx-xxx xxxx y p ad is f or mounting stability only . do not connect to ground or other circuits . temperature rise vs current 80 70 60 50 40 30 20 0 10 t emperature r ise (f ro m 2 5c) current (a rms) 10 03 04 0 20 50 60 current derating -40 -20 02 04 06 08 0 100 140 120 a mbient t emperatur e (c) pe r cent of r ated c urrent 120 110 100 90 80 70 60 50 40 30 20 10 0 i sat i rm s 25 c dimensions are in inches mm shielded power inductors - ser2900 series
document 644-3 revised 08/28/14 document 644-3 l vs current 10 100 0.1 1 100 10 current (a) inductance (h) ser2915l 10 h 6.8 h 15 h 22 h 3.3 h 1.5 h 2.2 h 4.7 h 33 h 1 10 100 0.1 1 100 10 current (a) inductance (h) 1 15 h 22 h 33 h 10 h 6.8 h 3.3 h 2.2 h 4.7 h ser2915h 10 100 0.1 1 100 10 current (a) inductance (h) 1 10 h 15 h 22 h 4.7 h 33 h 6.8 h 3.3 h ser2918h l vs frequency 10 100 0.1 1 100 10 frequency (mhz) inductance (h) 10 h 15 h 22 h 4.7 h 33 h 6.8 h ser2918h 3.3 h 1 10 100 0.1 1 100 10 frequency (mhz) inductance (h) 1 10 h 15 h 22 h 4.7 h 33 h 6.8 h 3.3 h 2.2 h ser2915h 10 100 0.1 1 100 10 frequency (mhz) inductance (h) 10 h 15 h 22 h 4.7 h 33 h 6.8 h ser2915l 3.3 h 2.2 h 1.5 h 1 shielded power inductors - ser2900 series
document 644-4 revised 08/28/14 document 644-4 esr vs frequency 2000 1500 1250 1750 1000 500 250 0 750 0. 1 100 10 1 equiv alent series resistance (ohms) frequenc y (mhz ) ser2915l 22 h 33 h 10 h 15 h 6.8 h 4.7 h 3.3 h 2.2 h 1.5 h 2000 1500 1250 1750 1000 500 250 0 750 0. 1 100 10 1 equiv alent series resistance (ohms) frequenc y (mhz ) ser2915h 6.8 h 4.7 h 33 h 3.3 h 22 h 2.2 h 15 h 10 h 0. 1 100 10 1 equiv alent series resistance (ohms) frequenc y ( mhz) 2000 1500 1250 1750 1000 500 250 0 750 ser2918h 22 h 15 h 33 h 10 h 6.8 h 4.7 h 3.3 h shielded power inductors - ser2900 series
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