7.2 (.283) 7.4 (.291) typ. typ. 10.0 ?0.3 (.394 ?.012) 1.8 (.071) 1.8 (.071) 4.0 (.157) 3.4 (.134) typ. 3.2 (.126) typ. 3.4 (.134) 3.8 ?0.3 (.150 ?.012) 10.0 ?0.3 (.394 ?.012) t t features shielded construction inductance range: 1.5 to 330 ? heating current up to 7.2 a aec-q200 quali ed rohs compliant* and halogen free** applications automotive systems: - driver assistant - information - entertainment - lighting dc/dc converters power supplies sru1038a series - shielded power inductors operating temperature ................................-40 ? to +125 ? (temperature rise included) storage temperature ................................-40 ? to +125 ? resistance to soldering heat ............................. +245 ? for 10 sec. temperature rise ......................40 ? typ. at rated i rms inductance drop .......... 35 % typ. at i sat electrical speci cations @ 25 ? general speci cations core ..............................................ferrite wire ............................enameled copper terminal finish .........................ag/ni/sn packaging .................... 800 pcs. per reel materials product dimensions recommended layout dimensions: mm (inches) how to order sru1038a - 100y model value code (see table) *rohs compliant & aec approved * rohs directive 2002/95/ec jan. 27, 2003 including annex and rohs recast 2011/65/eu june 8, 2011. ** bourns follows the prevailing de nition of ?alogen free?in the industry. bourns considers a product to be ?alogen free?if (a) the bromine (br) content is 900 ppm or less; (b) the chlorine (cl) content is 900 ppm or less; and (c) the total bromine (br) and chlorine (cl) content is 1500 ppm or less. speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. users should verify actual device performance in their speci c applications. electrical schematic inductor connection asia-paci c: tel: +886-2 2562-4117 ?fax: +886-2 2562-4116 europe: tel: +41-41 768 5555 ?fax: +41-41 768 5510 the americas: tel: +1-951 781-5500 ?fax: +1-951 781-5700 www.bourns.com bourns part number inductance @ 100 khz / 1 v q (ref.) test freq. (mhz) srf (mhz) typ. dcr (m) max. i rms (a) i sat (a) l (?) tol. (%) sru1038a-1r5y 1.5 ?0 14 7.96 65 7.5 7.2 7.0 sru1038a-2r2y 2.2 ?0 12 7.96 55 10.5 6.8 6.5 sru1038a-3r5y 3.5 ?0 14 7.96 35 15 5.5 5.5 sru1038a-5r0y 5.0 ?0 12 7.96 30 22 4.6 4.8 sru1038a-6r2y 6.2 ?0 12 7.96 25 24 4.0 4.2 sru1038a-100y 10 ?0 24 2.52 20 35 3.8 3.6 SRU1038A-150Y 15 ?0 24 2.52 16 50 2.8 2.7 sru1038a-220y 22 ?0 20 2.52 12 75 2.2 2.3 sru1038a-330y 33 ?0 22 2.52 10 112 1.8 1.8 sru1038a-470y 47 ?0 22 2.52 8 160 1.65 1.6 sru1038a-680y 68 ?0 24 2.52 7 216 1.1 1.3 sru1038a-101y 100 ?0 24 0.796 6 300 1.0 1.1 sru1038a-151y 150 ?0 20 0.796 5 476 0.9 0.8 sru1038a-221y 220 ?0 22 0.796 4 740 0.65 0.65 sru1038a-331y 330 ?0 20 0.796 3 1000 0.55 0.52 lcr meter t t 100
user direction of feed 200 (7.874) no component no component components 400 (15.748) start 4 (.157) 16 (.63) end srf0504 series - line filter packaging speci cations dimensions: mm (inches) qty: 800 pcs. per reel sru1038a series - shielded power inductors 24 (.945) speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. users should verify actual device performance in their speci c applications. 08/13 soldering pro le inductance vs. dc current plot 26 +0 (1.02 +0) 30.4 (1.20) 2.0 0.5 (.079 .020) 50 -0 (1.969 -0) 330 (12.99) dia. 13.0 0.5 (.512 .020) dia. 13.0 0.5 (.512 .020) dia. 21.0 0.8 (.827 .031) 200 max. peak temperature -5
30 sec. max. max. time above 217
: 60~150 sec. max. peak temperature 245
max. 250 150 200 100 50 0 temperature (c) 100 50 150 time (seconds) +4.0 c/sec. max. 150~200 c / 60~120 sec. +3.0 c/sec. max. -(1.0~5.0) c/sec. max. temperature rising area preheat area reflow area forced cooling area 250 peak temperature: 245 c 217 c 60~120 sec. 60 sec. max. 60~150 sec. inductance (h) 1 10 0.1 100 1000 dc current (a) 0.01 10 0.1 1 -100y -3r5y -101y -330y -1r5y
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