? coilcraft, inc. 2011 specifications subject to change without notice. please check our website for latest information. document 644-1 revised 02/24/10 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 ? 28.5 g; ser2915h ? 29.7 g; ser2918h ? 35.7 g ambient temperature ?40c to +85c with i rms current, +85c to +125c with derated current storage temperature component: ?40c to +125c. packaging: ?40c to +80c resistance to soldering heat max three 40 second reflows at +260c, parts cooled to room temperature between cycles moisture sensitivity level (msl) 1 (unlimited floor 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 only pure water or alcohol recommended ? same electrical specifications as coilcraft?s 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 fixture. 5. peak dc current at which the inductance drops the specified amount from its value without current. when i sat rating is less than i rms, i sat is the more critical specification. 6. current that causes the specified temperature rise from 25c ambient. when i rms is greater than i sat, i sat is the more critical specification, and i rms is shown in gray type . see temperature rise vs current curve on next page. 7. electrical specifications at 25c. refer to doc 362 ?soldering surface mount components? before soldering.
specifications subject to change without notice. please check our website for latest information. ? coilcraft, inc. 2011 shielded power inductors - ser2900 series document 644-2 revised 02/24/10 document 644-2 recommended land pattern 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 table) max 0.095 2,41 0.095 2,41 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 maximum height ser2915l 0.605 / 15,36 ser2915h 0.605 / 15,36 ser2918h / 0.700 17,78 ser29xxx coilcraft xx pad is for mounting stability only. do not connect to ground or other circuits. temperature rise vs current 80 70 60 50 40 30 20 0 10 temperature rise (from 25c) current (a rms) 10 03040 20 50 60 current derating -40 -20 0 20 40 60 80 100 140 120 ambient temperature (c) percent of rated current 120 110 100 90 80 70 60 50 40 30 20 10 0 i sat i rms 25c dimensions are in inches mm
specifications subject to change without notice. please check our website for latest information. ? coilcraft, inc. 2011 shielded power inductors - ser2900 series document 644-3 revised 02/24/10 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
specifications subject to change without notice. please check our website for latest information. ? coilcraft, inc. 2011 shielded power inductors - ser2900 series document 644-4 revised 02/24/10 document 644-4 esr vs frequency 2000 1500 1250 1750 1000 500 250 0 750 0.1 100 10 1 equivalent series resistance (ohms) frequency (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 equivalent series resistance (ohms) frequency (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 equivalent series resistance (ohms) frequency (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
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