specifcations subject to change without notice. please check our website for latest information. coupled inductors for critical applications st450phd 1812 coupled inductors l dcr srf 20% 2 q max min isat 4 imax part number 1 (h) min 3 (ohms) (mhz) (ma) (ma) st450phd102ml_ 1.0 38 0.20 285 2400 2100 st450phd222ml_ 2.2 29 0.33 175 1500 1200 st450phd472ml_ 4.7 43 0.41 102 1500 1000 st450phd103ml_ 10 35 0.74 74 800 780 st450phd153ml_ 15 37 0.96 65 700 710 st450phd223ml_ 22 38 1.84 54 500 530 st450phd393ml_ 39 39 2.60 5.7 450 420 ST450PHD473ML_ 47 40 2.66 4.8 400 390 1. when ordering, please specify termination and testing codes: ST450PHD473MLz termination: l = silver-palladium-platinum-glass frit terminations special order: t = rohs tin-silver-copper (95.5/4/0.5) or s = non-rohs tin-lead (63/37). testing: z = cots h = screening per coilcraft cp-sa-10001 2. per winding. tested at 100 khz, 0.1 vrms, 0 adc. 3. q measured at 1 mhz. 4. dc current at which the inductance drops 10% (typ) from its value without current. 5. electrical specifcations at 25c. refer to doc 362 soldering surface mount components before soldering. core material ferrite terminations rohs compliant gold over nickel over moly-manganese. other terminations available at additional cost. weight 0.30 C 0.36 g ambient temperature C40c to +85c with i max current, +85c to +125c with derated current storage temperature component: C55c to +125c. tape and reel packaging: C55c 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) packaging 600/7 reel; 2200/13 reel plastic tape: 12 mm wide, 0.25 mm thick, 8 mm pocket spacing, 3.9 mm pocket depth pcb washing only pure water or alcohol recommended ? coupled inductors optimized for xdsl fltering applications ? can be used as a common mode choke, 1:1 transformer or in sepic applications document st248-1 revised 03/14/12 a b c d e f g max max max ref ref ref min h 0.231 0.196 0.150 0.107 0.100 0.178 0.04 0.03 inches 5,87 4,98 3,81 2,72 2,54 4,52 1,02 0,76 mm 2 14 3 4 1 a b e h g f c d 0.048 1,22 0.015 0,38 0.115 2,92 0.018 0,46 0.020 0,51 0.057 1,45 recommended land p attern 0.015 0,38 ref 0.040 1,02 0.020 0,51 min 0.030 0.002 0,76 0,05 pa d detail 4 1 3 2 suggested land pattern note: termination dimensions are before optional solder application. for maximum termination dimensions including solder, add 0.006 in / 0,15 mm. 1102 silv er lak e road car y il 60013 phone fa x 800-981-0363 847-639-1508 e-mail we b cps@coilcraft.com www .coilcraft-cps .com ? ? coilcraft, inc. 2012
specifcations subject to change without notice. please check our website for latest information. 1812 coupled inductors st450phd coupled inductors typical l vs frequency typical q vs frequency imax derating -40 -20 02 04 06 08 0 100 140 120 ambient temperature (c) 120 110 100 90 80 70 60 50 40 30 20 10 0 25c pe r cent of rated rms i document st248-2 revised 03/14/12 1102 silv er lak e road car y il 60013 phone fa x 800-981-0363 847-639-1508 e-mail we b cps@coilcraft.com www .coilcraft-cps .com ? ? coilcraft, inc. 2012
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