kmp_786c_b02 page 1 of 4 technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232 www.murata-ps.com 786 series general purpose pulse transformers for full details go to www.murata-ps.com/rohs $ features rohs compliant 4 con?gurations primary inductance to 10mh 1kvrms isolation industry standard pinout surface mount option ul 94 v-0 package materials low pro?le toroidal construction fully encapsulated description the 786 series is a comprehensive range of general purpose pulse transformers. common applications include line coupling, matching or isolating. the devices can also be used in small isolated power supplies and also as common- mode chokes in ?ltering applications. selection guide order code turns ratio 2% min. primary inductance primary min. volt-time product, et typ. leakage inductance typ. interwinding capacitance max. dc resistance isolation voltage winding con?guration h vs h pf vrms 78601/4c 1:1 100 4 0.19 8 0.17 1000 1 78601/3c 1:1 200 6 0.20 14 0.25 78601/2c 1:1 500 10 0.25 22 0.34 78601/8c 1:1 1000 15 0.29 35 0.45 78601/1c 1:1 2000 20 0.47 49 0.60 78601/16c 1:1 4000 28 0.47 78 0.84 78601/9c 1:1 10000 56 0.86 121 1.30 78602/4c 1:1:1 100 4 0.11 12 0.18 1000 2 78602/3c 1:1:1 200 6 0.17 19 0.24 78602/2c 1:1:1 500 10 0.27 32 0.34 78602/8c 1:1:1 1000 15 0.35 47 0.46 78602/1c 1:1:1 2000 20 0.60 72 0.66 78602/16c 1:1:1 4000 28 0.71 116 0.92 78602/9c 1:1:1 10000 56 0.71 167 1.34 78604/4c 2:1 100 4 0.41 4 0.18 1000 1 78604/3c 2:1 200 6 0.49 9 0.25 78604/2c 2:1 500 10 0.65 13 0.34 78604/8c 2:1 1000 15 0.76 20 0.46 78604/1c 2:1 2000 20 0.99 29 0.60 78604/16c 2:1 4000 28 1.61 50 0.85 78604/9c 2:1 10000 56 1.64 72 1.23 78613/4c 1ct:1 100 4 0.30 7 0.20 1000 3 78613/3c 1ct:1 200 6 0.65 12 0.25 78613/2c 1ct:1 500 10 1.07 20 0.36 78613/8c 1ct:1 1000 15 1.13 35 0.48 78613/1c 1ct:1 2000 20 1.53 47 0.63 78613/16c 1ct:1 4000 28 1.98 64 0.88 78613/9c 1ct:1 10000 56 3.83 72 1.33 78615/4c 1ct:1ct 100 4 1.21 3 0.17 1000 4 78615/3c 1ct:1ct 200 6 3.64 5 0.24 78615/2c 1ct:1ct 500 10 6.86 7 0.34 78615/8c 1ct:1ct 1000 15 11.9 10 0.45 78615/1c 1ct:1ct 2000 20 16.0 16 0.60 78615/16c 1ct:1ct 4000 28 37.7 20 0.87 78615/9c 1ct:1ct 10000 56 44.5 19 1.33 order code details order code package type packaging type quantity 786xx/xc 6 pin dil tube 50 786xx/xmc 6 pin sm tube 50 786xx/xmc-r 6 pin sm tape & reel 500 absolute maximum ratings operating free air temperature range 0c to 70c storage temperature range -60c to 125c soldering information 1 pin ?nish bright tin peak wave solder temperature 300c for 10 seconds peak re?ow temperature 220c all speci?cations typical at t a =25c 1 for further information, please visit www.murata-ps.com/rohs
kmp_786c_b02 page 2 of 4 technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232 www.murata-ps.com 786 series general purpose pulse transformers package specifications mechanical dimensions recommended footprint details winding configuration - 6 pin dil/smd (top view) 6 pin dil package style 6 pin smd package style 1 2 4 3 * pins only ?tted on 786xx/xmc and 786xx/xmc-r variants. 3.440.50 (0.1350.02) 6.35 (0.25) 9.0 (0.354) max. 9.52 (0.375) max. 0.30 (0.012) 0.20 (0.008) 10.16 (0.4) 12.70 (0.5) 9.52 (0.375) max. 2.54 (0.1) 0.90 (0.04) 6.35 (0.25) 9.0 (0.354) 0.63 (0.025) 0.53 (0.021) 5.08 (0.2) 0.30 (0.012) 0.20 (0.007) 0.63 (0.025) 0.53 (0.021) xyyww 78601/1mc xyyww 78601/1c 1 2* 3 4 5* 6 1 2 3 4 5 6 1 2 3 4 5* 6 1 2 3 4 5 6 2.54 (0.10) 2.54 (0.10) ?1.20 (0.05) +0.15 (0.006) -0.00 (0.000) 11.50 (0.45) 2.54 (0.10) 1.00 (0.04) 1.60 (0.06) 6 pin dil 6 pin sm unless otherwise stated all dimensions in mm (inches) 0.25 (0.01). all pins on a 2.54 (0.1) pitch and within 0.25 (0.01) of true position . unless otherwise stated all dimensions in mm (inches) 0.25 (0.01). all pins on a 2.54 (0.1) pitch and within 0.25 (0.01) of true position . package weight: 1.1g typ. pri sec sec 1 sec 2 pri pri sec sec pri
kmp_786c_b02 page 3 of 4 technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232 www.murata-ps.com 786 series general purpose pulse transformers tape & reel specifications reel outline dimensions tape outline dimensions 30.4 (1.20) max. 23.9-27.4 (0.94-1.08) 13.50 (0.53) 12.80 (0.50) 1.50 (0.059) min. 60 (2.36) min. 20.20 (0.80) min. 100 (3.9) min. leader section 400 (15.7) min. goods enclosure section trailer section 160 (6.3) min. ?382 (15.039) min. ? ? * 24.4 (0.96) 26.4 (1.04) unless otherwise stated all dimensions in mm (inches) 0.25 (0.01). * includes ?ange distortion at outer edge. measured at hub. 0.60 (0.024) max. 7.20 (0.283) 9.37 (0.369) direction of unreeling 1.75 (0.069) 11.50 (0.453) 4.00 (0.157) 2.00 (0.079) 12.00 (0.472) cover tape 1.50 (0.059 ) +0.004 -0.000 +0.10 -0.00 24.00 (0.945 ) +0.012 -0.004 +0.30 -0.10 78601/1c xyyww unless otherwise stated all dimensions in mm (inches) 0.25 (0.01).
kmp_786c_b02 page 4 of 4 technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232 www.murata-ps.com 786 series general purpose pulse transformers murata power solutions, inc. makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. the descriptions contained her ein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. speci?cations are subject to chan ge without notice. ? 2008 murata power solutions, inc. usa: mans?eld (ma), tel: (800) 233 2765, email: sales@murata-ps.com canada: toronto, tel: (866) 740 1232, email: toronto@murata-ps.com uk: milton keynes, tel: +44 (0)1908 615232, email: mk@murata-ps.com france: montigny le bretonneux, tel: +33 (0)1 34 60 01 01, email: france@murata-ps.com germany: mnchen, tel: +49 (0)89-544334-0, email: ped.munich@murata-ps.com japan: tokyo, tel: 3-3779-1031, email: sales_tokyo@murata-ps.com osaka, tel: 6-6354-2025, email: sales_osaka@murata-ps.com website: www.murata-ps.jp china: shanghai, tel: +86 215 027 3678, email: shanghai@murata-ps.com guangzhou, tel: +86 208 221 8066, email: guangzhou@murata-ps.com murata power solutions, inc. 11 cabot boulevard, mans?eld, ma 02048-1151 u.s.a. tel: (508) 339-3000 (800) 233-2765 fax: (508) 339-6356 www.murata-ps.com email: sales@murata-ps.com iso 9001 registered tube outline dimensions 0.600.15 (0.0230.005) 4.00 (0.16) 5.50 (0.22) 10.95 (0.43) 12.95 (0.51) 3.80 (0.15) 15.70 (0.62) tube length: 4652 (18.30.08). tube quantity: 50. tube material: antistatic coated clear pvc. unless otherwise stated all dimensions in mm (inches) 0.25 (0.01). technical notes isolation voltage hi pot test, flash tested, withstand volt- age, proof voltage, dielectric withstand voltage & isolation test voltage are all terms that relate to the same thing, a test voltage, applied for a speci?ed time, across a compo- nent designed to provide electrical isolation, to verify the integrity of that isolation. all products in this series are 100% production tested at their stated isolation voltage. a question commonly asked is, what is the continuous voltage that can be applied across the part in normal operation? for a part holding no speci?c agency approv- als both input and output should normally be maintained within selv limits i.e. less than 42.4v peak, or 60vdc. the isolation test voltage represents a measure of immunity to transient voltages and the part should never be used as an element of a safety isolation system. the part could be expected to function correctly with several hundred volts offset applied continuously across the isolation bar- rier; but then the circuitry on both sides of the barrier must be regarded as operating at an unsafe voltage and further isolation/insulation systems must form a barrier between these circuits and any user-accessible circuitry ac- cording to safety standard requirements. repeated high-voltage isolation testing it is well known that repeated high-voltage isolation testing of a barrier component can actually degrade isolation capability, to a lesser or greater degree depending on ma- terials, construction and environment. this series has toroidal isolation transformers, with no additional insulation between pri- mary and secondary windings of enameled wire. while parts can be expected to with- stand several times the stated test voltage, the isolation capability does depend on the wire insulation. any material, including this enamel (typically polyurethane) is suscep- tible to eventual chemical degradation when subject to very high applied voltages thus implying that the number of tests should be strictly limited. we therefore strongly advise against repeated high voltage isolation test- ing, but if it is absolutely required, that the voltage be reduced by 20% from speci?ed test voltage. this consideration equally applies to agency recognized parts rated for better than functional isolation where the wire enamel insulation is always supplemented by a further insulation system of physical spacing or barriers.
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