0.46 0.1 ( .018 .004) 0.55 0.1 ( .022 .004) 0.55 0.1 ( .022 .004) 0.46 0.1 ( .018 .004) 1.25 (.049) 0.45 (.018) 1.1 (.043) 1.2 0.2 (.047 .008) 0.15 0.1 (.006 .004) 1.2 0.2 (.047 .008) 2.0 0.2 (.079 .008) 1 4 2 3 12 4 3 2.6 (.102) 12 4 3 features n high impedance value n current rating up to 400 ma n rohs compliant* and halogen free** applications n noise suppression n personal computers n display panels srf2012a series - common mode chip inductors * rohs directive 2002/95/ec jan. 27, 2003 including annex and rohs recast 2011/65/eu june 8, 2011. ** 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. specifcations 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 specifc applications. refow soldering .... 230 c; 50 sec max. operating temperature ................................ -40 c to +125 c (temperature rise included) storage temperature ................................ -40 c to +125 c resistance to soldering heat .......................... 260 c, 10 sec. max. temperature rise ...... 30 c max. at idc electrical specifcations part number impedance @ 100 mhz rated voltage (vdc) withstanding voltage (dc) insulation resistance (mw) min. dcr max. (w) idc max. (ma) (w) tolerance (%) srf2012-300ya 30 25 50 125 10 0.20 400 srf2012-670ya 67 25 50 125 10 0.25 400 srf2012-900ya 90 25 50 125 10 0.30 400 srf2012-121ya 120 25 50 125 10 0.30 400 SRF2012-161YA 160 25 50 125 10 0.35 350 srf2012-181ya 180 25 50 125 10 0.35 350 srf2012-201ya 200 25 50 125 10 0.40 300 srf2012-221ya 220 25 50 125 10 0.40 300 srf2012-261ya 260 25 50 125 10 0.40 300 srf2012-301ya 300 25 50 125 10 0.50 300 srf2012-361ya 360 25 50 125 10 0.50 300 srf2012-371ya 370 25 50 125 10 0.50 300 srf2012-501ya 500 25 50 125 10 0.50 300 srf2012-671ya 670 25 50 125 10 0.60 140 srf2012-901ya 900 25 50 125 10 0.88 100 general specifcations core .............................................. ferrite wire ............................ enameled copper terminal .................................... ag/ni/sn packaging ....... 2000 pcs. per 7-inch reel materials product dimensions *rohs compliant lead free *rohs compliant versions available lead free versions are rohs compliant* soldering profle te m perature (c) 25 75 125 175 225 275 05 0 100 150 200 250 300 time (seconds) 120 - 150 seconds 60 - 90 seconds 260c peak 190c 150c 220c ramp do wn 6c/second maximum <1> 255c <1> maximum of 10 seconds between +255c and +260c ramp up 3c/second maximum 10 seconds minimum re v. 02/22/05 0.46 0.1 ( .018 .004) 0.55 0.1 ( .022 .004) 0.55 0.1 ( .022 .004) 0.46 0.1 ( .018 .004) 1.25 (.049) 0.45 (.018) 1.1 (.043) 1.2 0.2 (.047 .008) 0.15 0.1 (.006 .004) 1.2 0.2 (.047 .008) 2.0 0.2 (.079 .008) 1 4 2 3 12 4 3 2.6 (.102) 12 4 3 dimensions: mm (inches) schematic how to order srf2012 - 201 y a model value code (see table) tolerance code model suffx 0.46 0.1 ( .018 .004) 0.55 0.1 ( .022 .004) 0.55 0.1 ( .022 .004) 0.46 0.1 ( .018 .004) 1.25 (.049) 0.45 (.018) 1.1 (.043) 1.2 0.2 (.047 .008) 0.15 0.1 (.006 .004) 1.2 0.2 (.047 .008) 2.0 0.2 (.079 .008) 1 4 2 3 12 4 3 2.6 (.102) 12 4 3 recommended layout
specifcations 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 specifc applications. srf2012a series - common mode chip inductors typical impedance vs. frequency curves 1000 100 10 1 0.1 11 01 00 frequency (mhz) srf2012-670y a impedance (ohms) 1000 10000 common mode normal mode 1000 100 10 1 0.1 11 01 00 frequency (mhz) srf2012-121y a impedance (ohms) 1000 10000 common mode normal mode 1000 100 10 1 0.1 11 0 100 frequency (mhz) srf2012-900y a impedance (ohms) 1000 10000 common mode normal mode 1000 100 10 1 0.1 11 0 100 frequency (mhz) srf2012-161y a impedance (ohms) 1000 10000 common mode normal mode 1000 100 10 1 0.1 11 0 100 frequency (mhz) srf2012-201y a impedance (ohms) 1000 10000 common mode normal mode 1000 100 10 1 0.1 11 0 100 frequency (mhz) srf2012-181y a impedance (ohms) 1000 10000 common mode normal mode 1000 100 10 1 0.1 11 01 00 frequency (mhz) srf2012-221y a impedance (ohms) 10001 0000 common mode normal mode 1000 100 10 1 0.1 11 0 100 frequency (mhz) srf2012-261y a impedance (ohms) 1000 10000 common mode normal mode 1000 100 10 1 0.1 11 0 100 frequency (mhz) srf2012-361y a impedance (ohms) 1000 10000 normal mode 1000 100 10 1 0.1 11 0 100 frequency (mhz) srf2012-300y a impedance (ohms) 1000 10000 common mode normal mode 1000 100 10 1 0.1 11 0 100 frequency (mhz) srf2012-301y a impedance (ohms) 1000 10000 common mode normal mode 1000 100 10 1 0.1 11 01 00 frequency (mhz) srf2012-371y a impedance (ohms) 1000 10000 common mode normal mode 1000 10000 100 10 1 0.1 11 0 100 frequency (mhz) srf2012-501y a impedance (ohms) 1000 10000 common mode normal mode 1000 10000 100 10 1 0.1 11 01 00 frequency (mhz) srf2012-671y a impedance (ohms) 10001 0000 common mode normal mode 1000 10000 100 10 1 11 01 00 frequency (mhz) srf2012-901y a impedance (ohms) 1000 10000 common mode normal mode common mode
srf0504 series - line filter specifcations 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 specifc applications. srf2012a series - common mode chip inductors typical impedance vs. frequency curves (continued) 1000 100 10 1 0.1 11 01 00 frequency (mhz) srf2012-670y a impedance (ohms) 1000 10000 common mode normal mode 1000 100 10 1 0.1 11 01 00 frequency (mhz) srf2012-121y a impedance (ohms) 1000 10000 common mode normal mode 1000 100 10 1 0.1 11 0 100 frequency (mhz) srf2012-900y a impedance (ohms) 1000 10000 common mode normal mode 1000 100 10 1 0.1 11 0 100 frequency (mhz) srf2012-161y a impedance (ohms) 1000 10000 common mode normal mode 1000 100 10 1 0.1 11 0 100 frequency (mhz) srf2012-201y a impedance (ohms) 1000 10000 common mode normal mode 1000 100 10 1 0.1 11 0 100 frequency (mhz) srf2012-181y a impedance (ohms) 1000 10000 common mode normal mode 1000 100 10 1 0.1 11 01 00 frequency (mhz) srf2012-221y a impedance (ohms) 10001 0000 common mode normal mode 1000 100 10 1 0.1 11 0 100 frequency (mhz) srf2012-261y a impedance (ohms) 1000 10000 common mode normal mode 1000 100 10 1 0.1 11 0 100 frequency (mhz) srf2012-361y a impedance (ohms) 1000 10000 normal mode 1000 100 10 1 0.1 11 0 100 frequency (mhz) srf2012-300y a impedance (ohms) 1000 10000 common mode normal mode 1000 100 10 1 0.1 11 0 100 frequency (mhz) srf2012-301y a impedance (ohms) 1000 10000 common mode normal mode 1000 100 10 1 0.1 11 01 00 frequency (mhz) srf2012-371y a impedance (ohms) 1000 10000 common mode normal mode 1000 10000 100 10 1 0.1 11 0 100 frequency (mhz) srf2012-501y a impedance (ohms) 1000 10000 common mode normal mode 1000 10000 100 10 1 0.1 11 01 00 frequency (mhz) srf2012-671y a impedance (ohms) 10001 0000 common mode normal mode 1000 10000 100 10 1 11 01 00 frequency (mhz) srf2012-901y a impedance (ohms) 1000 10000 common mode normal mode common mode
srf2012a series - common mode chip inductors 9.0 0.5 (.354 .020) 60 2 (2.362 .079) 178 2 (7.008 .079) 13.5 0.5 (.531 .020) dia. user direction of feed 120 1.45 0.1 (.057 .004) 0.22 0.05 (.009 .002) 1.9 (.075) r 13.5 0.5 (.531 .020) r 20.5 (.807) 2.35 0.1 (.093 .004) 0.5 (.020) r 10.5 (.413) r 1.5 + 0.1 (.059 + .004) dia. 1.1 + 0.1 (.043 + .004) dia. a a 1.50 0.1 (.059 .004) section a-a 8.0 0.1 (.315 .004) 1.75 0.1 (.069 .004) 3.5 0.05 (.138 .002) 4.0 0.1 (.157 .004) 4.0 0.1 (.157 .004) 2.0 0.05 (.079 .002) packaging specifcations dimensions: mm (inches) qty: 2000 pcs. per reel 9.0 0.5 (.354 .020) 60 2 (2.362 .079) 178 2 (7.008 .079) 13.5 0.5 (.531 .020) dia. user direction of feed 120 1.45 0.1 (.057 .004) 0.22 0.05 (.009 .002) 1.9 (.075) r 13.5 0.5 (.531 .020) r 20.5 (.807) 2.35 0.1 (.093 .004) 0.5 (.020) r 10.5 (.413) r 1.5 + 0.1 (.059 + .004) dia. 1.1 + 0.1 (.043 + .004) dia. a a 1.50 0.1 (.059 .004) section a-a 8.0 0.1 (.315 .004) 1.75 0.1 (.069 .004) 3.5 0.05 (.138 .002) 4.0 0.1 (.157 .004) 4.0 0.1 (.157 .004) 2.0 0.05 (.079 .002) 03/16 specifcations 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 specifc applications.
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