features shielded construction flat wire unit height of 1.2 mm inductance range: 0.22 to 1.5 h rated current up to 9 a rohs compliant* and halogen free** applications dc/dc converters power supplies for: portable communications equipment laptop computers camcorders, hdtv, car audio systems video game consoles SRP4012 series - shielded power inductors * 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 ?halogen free? in the industry. bourns considers a product to be ?halogen 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. customers should verify actual device performance in their speci? c applications. electrical speci cations product dimensions dimensions: mm (inches) recommended layout bourns part no. inductance l ( h) ?0 % i rms (a) i sat (a) dcr (m ) max. SRP4012-r22m 0.22 9 10 9.3 SRP4012-r47m 0.47 6.5 9 20 SRP4012-r56m 0.56 5.5 8 25 SRP4012-1r0m 1.0 4.8 6.3 33.6 SRP4012-1r2m 1.2 3 6 45 SRP4012-1r5m 1.5 3 5.5 50 soldering pro le 25 75 125 175 225 275 0 50 100 150 200 250 300 time (seconds) temperature (c) 120-150 seconds 60 seconds maximum 260 c peak 190c 150 c 220 c ramp down 5 c/second <1> 255 c <1> maximum of 10 seconds between +255 c and +260 c ramp up 4 c/second maximum 10 seconds minimum electrical schematic general speci cations test voltage ..................................0.25 v test frequency ......................... 100 khz re ow soldering .. 230 ?; 50 sec. max. operating temperature ................................-55 ? to +125 ? (temperature rise included) storage temperature ................................-55 ? to +125 ? resistance to soldering heat ............................. +260 ? for 10 sec. materials core ..................................................iron wire ............................enameled copper terminal ........................................cu/sn rated current .....ind. drops 20 % at isat temperature rise .....40 ? at rated irms packaging ..... 2000 pcs. per 13-inch reel r22 r22 4.7 (.185) max. 1.0 0.3 (.039 .012) 0.0 - 0.3 (0.0 - .012) 0.6 0.1 (.024 .004) 4.0 0.2 (.157 .008) 4.0 0.2 (.157 .008) 1.2 (.047) max. 6.0 (.236) 1.5 (.059) 2.2 (.087) *rohs compliant 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
0.15 0.16 0.17 0.19 0.18 0.20 0.21 0.22 0 10 20 30 40 50 60 70 80 90 100 dc bias (a) inductance ( h) temperature rise (c) SRP4012-r22m 0.36 0.38 0.40 0.44 0.42 0.46 0.48 0.50 0 10 20 30 40 50 60 70 80 90 100 dc bias (a) inductance ( h) temperature rise (c) SRP4012-r47m 0.90 0.95 1.00 1.10 1.05 1.15 1.20 0 10 20 30 40 50 60 70 80 90 100 dc bias (a) inductance ( h) temperature rise (c) SRP4012-1r2m 0.46 0.50 0.52 0.56 0.54 0.58 0.60 0.62 0 10 20 30 40 50 dc bias (a) inductance ( h) temperature rise (c) SRP4012-r56m 0.48 0.70 0.75 0.80 0.90 0.85 0.95 0 10 20 30 40 60 70 80 90 dc bias (a) inductance ( h) temperature rise (c) SRP4012-1r0m 1.00 1.05 1.10 50 100 1.10 1.15 1.20 1.30 1.25 1.35 0 10 20 30 40 60 70 80 90 dc bias (a) inductance ( h) temperature rise (c) SRP4012-1r5m 1.40 1.45 1.50 50 100 SRP4012 series - shielded power inductors speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. l vs. i charts 12.5 ?0.5 (.492 ?.020) 2.0 0.5 (.079 .020) 100.0 ?1.0 (3.937 ?.039) 330.0 (13.00) dia. 13.5 0.5 (.53 .020) dia. 13.5 0.5 (0.53 .020) dia. packaging speci cations embossed carrier embossed cavity 0.10 (.004) thickness max. 8.0 ?0.1 (.315 ?.004) 4.2 ?0.1 (.165 ?.004) 2.0 ?0.1 (.079 ?.004) 0.3 ?0.1 (.012 ?.004) 1.50 ?0.1 (.059 ?.004) 1.75 ?0.1 (.069 ?.004) 5.0 ?0.1 (.197 ?.004) 5.5 ?0.1 (.217 ?.004) 12.0 ?0.3 (.472 ?.012) 4.0 ?0.1 (.157 ?.004) 1.7 ?0.15 (.067 ?.006) r22 dimensions: mm (inches) 11/11 qty: 2000 pcs. per reel user direction of feed
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