1 preliminary power range: up to 5w height: 9.27mm max footprint: 13.34mm x 10.7mm max toplogy: forward and flyback usa 858 674 8100 germany 49 7032 7806 0 singapore 65 6287 8998 shanghai 86 21 62787060 china 86 755 33966678 taiwan 886 3 4356768 electrical specifcations @ 25c - operating temperature -40c to +130c pri. inductance (3-4) 500h 10% lk. inductance (3-4) with (8, 7, 6, 5) shorted 8 h max (3-4) 1750 m max dcr (6, 5-8, 7) 15m max (2-1) 215m max hi-pot pri-sec 1500 vrms k1 factor 9735.2 pri. inductance (3-4) 500h 10% lk. inductance (3-4) with (8, 7, 6, 5) shorted 7.5 h max (3-4) 1750 m max dcr (6, 5-8, 7) 35 m max (2-1) 215m max hi-pot pri-sec 1500 vrms k1 factor 9735.2 pri. inductance (3-4) 521 h 10% lk. inductance (3-4) with (8, 7, 6, 5) shorted 7.5 h max (3-4) 1750 m max (6, 5-8, 7) 100m max (2-1) 220m max hi-pot pri-sec 1500 vrms k1 factor 9937.1 pa1130nl pa1131nl pa1132nl dcr flyback transformer flyback transformer flyback transformer 5 preliminary p744.a (05/14) pulseelectronics.com high frequency wire wound transformers ep7 platforms - smt
2 preliminary electrical specifcations @ 25c - operating temperature -40c to +130c pri. inductance (3-4) 310 h 10% lk. inductance (3-4) with (8, 7, 6, 5) shorted 5 h max (3-4) 1600m max (6, 5-8, 7) 45 m max (2-1) 2600 m max hi-pot pri-sec 1500 vrms k1 factor 6584.5 pri. inductance (3-4) 310h 10% lk. inductance (3-4) with (8, 7, 6, 5) shorted 5 h max (3-4) 1600 m max dcr (6, 5-8, 7) 87 m max (2-1) 2650 m max hi-pot pri-sec 1500 vrms k1 factor 6584.5 pri. inductance (3-4) 310 h 10% lk. inductance (3-4) with (8, 7, 6, 5) shorted 5 h max (3-4) 1600 m max (6, 5-8, 7) 550 m max (2-1) 2600 m max hi-pot pri-sec 1500 vrms k1 factor 6584.5 pri. inductance (8-1) 24.5 h 10% lk. inductance (8-1) with (2, 3, 4, 5, 6, 7) shorted 110 h max (8-1) 50 m max (7-2) 50 m max (6-3) 110 m max (5-4) 160 m max hi-pot pri-sec 600 vdc k1 factor 1635.5 pa1279nl pa1280nl dcr pa1281nl pa1825nl dcr dcr flyback transformer flyback transformer flyback transformer flyback transformer 5 preliminary p744.a (05/14) pulseelectronics.com high frequency wire wound transformers ep7 platforms - smt
3 preliminary electrical specifcations @ 25c - operating temperature -40c to +130c pri. inductance (1-4) 100h 25% (1-4) 85 m max (5-7) 8760 m max (7-8) 2200 m max hi-pot pri-sec 500 vrms k1 factor 93.5 pri. inductance (3-4) 22.5 h 10% lk. inductance (3-4) with (5,7) shorted 0.6 h max (3-4) 100 m max (5-8) 200 m max (2-1) 110 m max hi-pot pri-sec 1500 vrms k1 factor 1401.9 pri. inductance (3-4) 30 h 5% lk. inductance (3-4) with (8, 7, 6, 5) shorted 0.7 h max (3-4) 250 m max (6, 5-8, 7) 72 m max (2-4) 170 m max hi-pot pri-sec 500 vrms k1 factor 1168.2 pri. inductance (3-4) 48.6h 5% lk. inductance (3-4) with (8, 7, 6, 5) shorted 0.9 h max (3-4) 250 m max dcr (6, 5-8, 7) 35 m max (2-1) 130 m max hi-pot pri-sec 500 vdc k1 factor 1892.5 pa2571nl pa2617nl pa2626nl PA3018NL dcr dcr dcr forward transformer flyback transformer flyback transformer flyback transformer 5 preliminary p744.a (05/14) pulseelectronics.com high frequency wire wound transformers ep7 platforms - smt
4 preliminary electrical specifcations @ 25c - operating temperature -40c to +130c pri. inductance (3-4) 47.2 h 5% lk. inductance (3-4) with (1, 2, 8, 7, 6, 5) shorted 0.7 h max (3-4) 250 m max dcr (6, 5-8, 7) 72 m max (2-1) 170 m max hi-pot pri-sec 500 vrms k1 factor 1838.0 pri. inductance (3-4) 56.7 h 5% lk. inductance (3-4) with (8, 7, 6, 5) shorted 0.98 h max (3-4) 400 m max dcr (6, 5-8, 7) 200 m max (2-1) 110 m max hi-pot pri-sec 500 vrms k1 factor 1766.4 pri. inductance (3-4) 48.8 h 5% lk. inductance (3-4) with (8, 7, 6, 5) shorted 0.4 h max (3-4) 100m max dcr (6, 5-8, 7) 200 m max (2-1) 110 m max hi-pot pri-sec 500 vrms k1 factor 3040.5 pa3019nl pa3020nl pa3021nl flyback transformer flyback transformer flyback transformer 5 preliminary p744.a (05/14) pulseelectronics.com high frequency wire wound transformers ep7 platforms - smt
5 preliminary for more information pulse worldwide headquarters 12220 world trade drive san diego, ca 92128 u.s.a. tel: 858 674 8100 fax: 858 674 8262 pulse europe einsteinstrasse 1 d-71083 herren - berg germany tel: 49 7032 78060 fax: 49 7032 7806 135 pulse china headquarters b402, shenzhen academy of aerospace technol - ogy bldg. 10th kejinan road high-tech zone nanshan district shenzen, pr china 518057 tel: 86 755 33966678 fax: 86 755 33966700 pulse north china room 2704/2705 super ocean finance ctr. 2067 yan an road west shanghai 200336 china tel: 86 21 62787060 fax: 86 2162786973 pulse south asia 135 joo seng road #03-02 pm industrial bldg. singapore 368363 tel: 65 6287 8998 fax: 65 6287 8998 pulse north asia 3f, no. 198 zhongyuan road zhongli city taoyuan county 320 taiwan r. o. c. tel: 886 3 4356768 fax: 886 3 4356823 (pulse) fax: 886 3 4356820 (fre) performance warranty of products ofered on this data sheet is limited to the parameters specifed. data is subject to change without notice. other brand and product names mentioned herein may be trademarks or registered trademarks of their respective owners. ? copyright, 2014. pulse electronics, inc. all rights reserved. paxxxxnl mechanical notes: 1. the temperature of the component (ambient plus temperature rise) must be within the stated operating temperature range. 2. the above transformers and inductors have been tested and approved by pulses power ic partners and are sited in the appropriate datasheet or evaluation board documentation at these companies. to determine which ic and ic partners are matched with the above pulse part numbers please consult the ic cross reference on the pulse website. 3. for fyback topology applications, it is necessary to ensure that the transformer will not saturate in the application. the peak fux density (bpk) should remain below 2700gauss. to calculate the peak density, use the following formula: bpk (gauss) = k1_factor * ipk (a) 4. in high volt-sec applications, it is important to calculate the core loss of the transformer. approximate transformer core loss can be calculated as: coreloss (w) = 2.5e-14 * (freq_khz) * ( b_gauss) where b can be calculated as: for flyback topology: b = k1_factor * (a) for forward topology: b = k1_factor * volt-sec 5. optional tape & reel packaging can be ordered by adding a t sufx to the part number (i.e. pa1130nl becomes pa1130nl t ). pulse complies with industry standard tape and reel specifcation eia481. the tape and reel for this product has a width (w=24mm), pitch (po=16mm) an depth (ko=9.8mm). 1.63 2.63 pa xxxnl pulseelectronics.com high frequency wire wound transformers ep7 platforms - smt preliminary p744.a (05/14)
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