5 7.20 0.3 (.283 .012) 1.70 0.5 (.067 .020) 3.00 0.3 (.118 .012) 3.40 (.134) typ. 4.00 (.157) max. 3.70 (.146) typ. 7.40 (.291) typ. 6.50 0.2 (.256 .008) inductance code marking features shielded construction iron powder core high saturation current inductance range: 0.56 to 47 h rated current up to 18 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 srp6540 series - shielded power inductors electrical speci cations product dimensions dimensions: mm (inches) recommended layout soldering pro le 250 temperature (c) 0 50 50 200 150 100 +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 200 time (seconds) 100 150 60 ~ 150 sec. 60 sec. max. 217 c 60 ~ 120 sec. 250 electrical schematic general speci cations test voltage ..................................0.25 v test frequency ......................... 100 khz operating temperature ................................-55 ? to +125 ? (temperature rise included) storage temperature ................................-55 ? to +125 ? resistance to soldering heat ............................. +250 ? for 10 sec. materials core .....................................iron powder wire ............................enameled copper terminal ....................................cu/ni/sn rated current .........ind. drops 20 % typ. at isat temperature rise ................... 40 ? typ. at rated irms packaging ..... 1200 pcs. per 13-inch reel bourns part no. inductance l ( h) ?0 % dcr (m ) max. i rms (a) i sat (a) srp6540-r56m 0.56 4.4 18 18 srp6540-r68m 0.68 5.0 16.5 17 srp6540-r82m 0.82 5.5 15 15 srp6540-1r0m 1.0 7.2 12 13.5 srp6540-1r5m 1.5 10.0 11 11 SRP6540-2R2M 2.2 15.5 9 9 srp6540-3r3m 3.3 23.0 6.5 7 srp6540-4r7m 4.7 33.5 6 6.5 srp6540-5r6m 5.6 38.0 5.5 6 srp6540-6r8m 6.8 49.5 5 5.5 srp6540-8r2m 8.2 50.5 4.5 5 srp6540-100m 10 78.5 4 4 srp6540-150m 15 121 2.9 2.9 srp6540-220m 22 133 2.5 2.5 srp6540-270m 27 290 2 2 srp6540-390m 39 322 1.8 1.8 srp6540-470m 47 366 1.6 1.6 peak temperature: 250 c max. time above 245 c: 30 sec. max. time above 217 c: 60 ~ 150 sec. max. * 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. 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. *rohs compliant & **halogen free
srp6540 series - shielded power inductors 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 perfor mance may vary over time. users should verify actual device performance in their speci c applications. l vs. i charts 0.0 2.0 4.0 6.0 8.0 10.0 12.0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 0.0 2.0 4.0 6.0 8.0 0.0 2.0 4.0 6.0 6.0 8.0 0.0 2.0 4.0 l ( h ) l ( h ) l ( h ) l ( h ) l ( h ) l ( h ) l@ 25 ? l@ 25 ? l@ 25 ? l@ 25 ? l@ 25 ? l@ 25 ? l@ 25 ? l@ 25 ? 0.0 0.2 0.4 0.6 0.8 1.0 idc (a) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 idc (a) 0.0 0.4 0.8 1.2 1.6 2.0 2.4 idc (a) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 idc (a) 0.0 1.0 2.0 3.0 4.0 5.0 idc (a) 0.0 1.0 2.0 3.0 4.0 5.0 6.0 idc (a) srp6540-1r0m srp6540-3r3m SRP6540-2R2M srp6540-1r5m srp6540-5r6m srp6540-4r7m 0.0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 l@ 25 ? 0.0 5.0 10.0 15.0 20.0 25.0 30.0 0.2 0.4 0.6 srp6540-r56m l ( h ) 0.0 20.0 10.0 40.0 30.0 50.0 0.0 20.0 10.0 40.0 30.0 50.0 0.0 20.0 10.0 40.0 30.0 50.0 idc (a) 0.0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 0.2 0.8 0.6 0.5 0.3 0.9 srp6540-r82m l ( h ) idc (a) 0.0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 0.2 0.6 0.4 0.8 srp6540-r68m l ( h ) idc (a) t (?) t (?) t (?) t@ 25 ? t@ 25 ? t@ 25 ? t@ 25 ? t@ 25 ? t@ 25 ? t@ 25 ? t@ 25 ? t@ 25 ? 0.0 10.0 20.0 30.0 40.0 50.0 0.0 10.0 20.0 30.0 40.0 50.0 t (?) t (?) t (?) 0.0 10.0 20.0 30.0 40.0 50.0 0.0 10.0 20.0 30.0 40.0 50.0 0.0 10.0 20.0 30.0 40.0 50.0 0.0 10.0 20.0 30.0 40.0 50.0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 0.0 2.0 4.0 6.0 8.0 10.0 14.0 12.0 16.0 0.0 5.0 10.0 15.0 20.0 25.0 0.0 5.0 10.0 15.0 20.0 25.0 30.0 0.0 5.0 10.0 15.0 20.0 25.0 30.0 t (?) t (?) t (?)
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 perfor mance may vary over time. users should verify actual device performance in their speci c applications. 3312 - 2 mm smd trimming potentiometer srp6540 series - shielded power inductors l vs. i charts 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0 0.0 3.0 6.0 9.0 12.0 15.0 18.0 21.0 24.0 27.0 30.0 0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 0.0 10.0 20.0 30.0 40.0 50.0 srp6540-150m srp6540-390m srp6540-270m srp6540-220m srp6540-470m 0.0 1.0 2.0 3.0 4.0 5.0 0.0 1.0 2.0 3.0 4.0 5.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 l ( h ) l ( h ) l ( h ) l ( h ) l ( h ) l ( h ) l ( h ) l ( h ) l@ 25 ? l@ 25 ? l@ 25 ? l@ 25 ? l@ 25 ? l@ 25 ? l@ 25 ? l@ 25 ? idc (a) idc (a) idc (a) idc (a) idc (a) 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 0.0 2.0 4.0 6.0 idc (a) 0.0 2.0 4.0 6.0 8.0 10.0 0.0 2.0 4.0 6.0 0.0 1.0 2.0 3.0 4.0 5.0 idc (a) 0.0 2.0 4.0 6.0 8.0 10.0 idc (a) srp6540-6r8m srp6540-8r2m srp6540-100m t (c) t@ 25 ? t@ 25 ? t@ 25 ? t@ 25 ? t@ 25 ? t@ 25 ? t@ 25 ? t@ 25 ? 0.0 10.0 20.0 30.0 40.0 50.0 0.0 10.0 20.0 30.0 40.0 50.0 0.0 10.0 20.0 30.0 40.0 50.0 50.0 50.0 0.0 10.0 20.0 30.0 40.0 50.0 0.0 10.0 20.0 30.0 40.0 0.0 10.0 20.0 30.0 40.0 0.0 10.0 20.0 30.0 40.0 50.0 0.0 10.0 20.0 30.0 40.0 50.0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 t (?) t (?) t (?) t (?) t (?) t (?) t (?) t (?)
srp6540 series - shielded power inductors packaging speci cations embossed carrier embossed cavity 16.0 (.630) carrier tape width dimensions: mm (inches) 03/13 18.0 + 0 (.709 +0) 22.4 (.882) 2.0 0.5 (.079 .020) 50.0 - 0 (1.969 - 0) 330.0 (13.00) dia. 13.0 0.5 (.512 .020) dia. 21.0 ?0.8 (.827 ?.031) 13.0 0.5 (.512 .020) dia. 12.0 (.472) end start 4.0 (.157) 5 5 5 5 user direction of feed no component components 200 (7.874) no component 400 (15.748) 1200 pieces per reel 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 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 perfor mance may vary over time. users should verify actual device performance in their speci c applications.
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