miniature smt transformers document 606-1 volt-time isolation pri / sec pri : sec part pri / sec inductance product 2 dcr max (ohms) pri-sec capacitance turns power 5 number 1 voltage min (h) typ (vsec) pri sec (vrms) typ (pf) 3 ratio 4 (w) size q4470-cl_ 5 v to 5 v 400 (1-3) 32 (1-3) 0.950 (1-3) 1.25 (6-4) 1500 (1-4) 0.87 1 ct : 1.3 ct 0.25 c s5394-cl_ 5 v to 10 v 400 (1-3) 32 (1-3) 0.950 (1-3) 0.950 (6-4) 1500 (1-4) 0.92 1 ct : 1 0.25 c u6982-cl_ 3.3 v to 5 v 59 (1-3) 22 (1-3) 0.700 (1-3) 1.800 (6-4) 1500 (1-4) 0.93 1 ct : 2.1 ct 0.75 c t6437-dl_ 5 v to 5v 1000 (1-4) 134 (1-4) 1.010 (1-2, 3-4) 1.955 (8-5) 1500 (1,3-8) 1.88 1 ct : 1 1.5 d s5499-dl_ 5 v to 24 v 160 (1-4) 48 (1-4) 0.540 (1-2, 3-4) 4.28 (8-7, 6-5) 1500 (1,3-8,6) 1.59 1 ct : 5 ct 1.0 d t6650-dl_ 5 v to 24 v 176 (2-3) 48 (2-3) 1.015 (2-3) 8.250 (7-6) 1500 (2-7) 1.25 1 : 5 1.0 d these miniature transformers were developed for use with maxim rs-232/rs-485 interface ics, and are suitable for gate drive and other power applications. they were designed to work with the max250, max251, max253 and max845 for providing power to the isolated side of the interface, and are also specifed by linear technology, sipex and others for use with their chipsets. they feature 1500 vrms isolation between windings in a miniature surface mount package. each transformer has a stainless steel cover that provides an excellent surface for automated placement. in addition to the standard parts shown, coilcraft can produce custom transformers with voltage, inductance and dcr values to meet your specifc requirements. for more information, contact coilcraft. 1. when ordering, please specify packaging code: q4470-cl d packaging: d = 13 machine-ready reel. eia-481 embossed plastic tape (size c: 1000 per full reel; size d: 500 per full reel). b = less than full reel. in tape, but not machine ready. to have a leader and trailer added ($25 charge), use code letter d instead. 2. volt-time product is based on core area, number of primary turns and 4800 gauss fux density. 3. capacitance measured from full primary to full secondary at 200 khz. 4. ct indicates center tap. 5. calculated output power based on 150 khz operating frequency. power varies depending on application. 6. ambient temperature range: C40c to +85c 7. storage temperature range: component: C40c to +85c tape and reel packaging: C40c to +80c 8. resistance to soldering heat: three refows at >217c for 90 seconds (+260c 5c for 20 C 40 seconds), allowing parts to cool to room temperature between. 9. electrical specifcations at 25c. refer to doc 362 soldering surface mount components before soldering. chipset linear linear maxim maxim maxim sipex sipex lt1952 ltc3900 250/251 253/845 3535e sp3222 sp3232 q4470-cl ? ? ? ? s5394-cl ? u6982-cl ? ? ? ? t6437-dl ? s5499-dl ? t6650-dl ? q4470-cl t6437-dl t6650-dl s5499-dl s5394-cl u6982-cl 1 2 3 4 8 5 1 8 2 7 3 6 4 5 7 2 6 3 1 6 4 3 2 6 1 3 2 4 5 6 1 1 3 3 2 2 4 5 pri sec pri sec pri sec pri sec pri sec pri sec document 606-1 revised 05/06/09 us uk t aiwan china singapore +1-847-639-6400 sales@coilcraft.com +44-1236-730595 sales@coilcraft-eur ope.com +886-2-2264 3646 sales@coilcraft.com.tw +86-21-6218 8074 sales@coilcraft.com.cn + 65-6484 8412 sales@coilcraft.com.sg ? coilcraft inc. 2013 this pr oduct may not be used in medical or high risk applications without prior coilcraft appr oval. specification subject to change without notice. please check web site for latest infor mation.
weight 510 C 550 mg terminations tin-silver over tin over nickel over phos bronze packaging 1000 per 13 reel plastic tape: 16 mm wide, 0.34 mm thick, 12 mm pocket spacing, 5.33 mm pocket depth 6 4 0.275 6,99 1 3 max 0.350 8,89 0.283 7,20 0.039 1,0 max min min bottom vie w c siz e q4470-cl, s5394-cl, u6982-cl recommended land p attern 1 0.375 9,53 0.100 2,54 0.050 1,27 sq 0.023 0,60 0.100 2,54 dot abo ve pin 1 0.215 5,46 max 0.260 6,60 max 0.004 / 0,10 8 5 0.400 10,16 1 4 max 0.500 12,70 0.415 10,55 0.035 0,90 0.344 8,75 max min min bottom vie w recommended land p attern 1 0.500 12,70 0.100 2,54 0.075 1,905 0.050 1,27 0.023 0,60 0.100 2,54 dot abo ve pin 1 0.215 5,46 max max 0.004 / 0,10 d siz e s5499-dl, t6437-dl, t6650-dl weight 0.98 C 1.1 g terminations tin-silver over tin over nickel over phos bronze tape and reel 500 per 13 reel plastic tape: 24 mm wide, 0.36 mm thick, 16 mm pocket spacing, 6.13 mm pocket depth document 606-2 revised 05/06/09 document 606-2 us uk t aiwan china singapore +1-847-639-6400 sales@coilcraft.com +44-1236-730595 sales@coilcraft-eur ope.com +886-2-2264 3646 sales@coilcraft.com.tw +86-21-6218 8074 sales@coilcraft.com.cn + 65-6484 8412 sales@coilcraft.com.sg ? coilcraft inc. 2013 this pr oduct may not be used in medical or high risk applications without prior coilcraft appr oval. specification subject to change without notice. please check web site for latest infor mation. miniature smt transformers
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