*RoH*S RCoOHSM PCLOIAMNPTLIANT FeHCRauiogtrHhrueS rin mect opsrmaetdipnalngiac nuetp *v taolu 4e50 mA RS Re cF o2 m 0 1T m 2h n eAi s on atds nereeddrc i eSaosRlmt Feism2r n0ceau1ntr2dirvAeeeAdns. t flaoyr rea n vteahwiela Mdbeloesd ibegulnts . SRF2012 Series - Common Mode Chip Inductors Electrical Specifications General Specifications Reflow soldering.....230 °C; 50 sec max. Impedance Rated Withstanding Insulation DCR IDC Operating Temperature..-55 °C to +125 °C @100 MHz Voltage Voltage Resistance Max. Max. (Temperature rise included) Bourns Part No. (Ω) Tolerance (%) (DC) (DC) (MΩ) (Ω) (mA) Storage Temperature..-55 °C to +125 °C SRF2012-300Y 30 ±25 50 125 10 0.20 450 Resistance to Soldering Heat SRF2012-670Y 67 ±25 50 125 10 0.25 400 ............................260 °C, 10 sec. max. SRF2012-900Y 90 ±25 50 125 10 0.35 330 Materials SRF2012-121Y 120 ±25 50 125 10 0.30 370 SRF2012-161Y 160 ±25 50 125 10 0.40 300 Core...............................................Ferrite WireE.............................Enameled copper SRF2012-181Y 180 ±25 50 125 10 0.35 330 Terminal.....................................Ag/Ni/Sn SRF2012-201Y 200 ±25 50 125 10 0.35 330 T Packaging...................2000 pcs. per reel SRF2012-221Y 220 ±25 50 125 10 0.35 310 SRF2012-261Y 260 ±25 50 125 10 0.40 E 300 Product Dimensions SRF2012-301Y 300 ±25 50 125 10 0.40 290 2.05 ± 0.2 SRF2012-361Y 360 ±25 50 125 10 L 0.45 280 (.081 ± .008) SRF2012-371Y 370 ±25 50 125 10 0.45 280 O SRF2012-501Y 500 ±25 50 125 10 0.55 170 SRF2012-671Y 670 ±25 50 125 10 0.60 140 1.25 ± 0.2 SRF2012-901Y 900 ±25 50 1S25 10 0.60 80 (.049 ± .008) B Impedance vs. Frequency Common MOode Normal Mode 1 2 CH1 Z T & B 3.5 kΩ, 1 Ω 371 0.40 1000 (.016)TYP. + IP 121 670 100 4 3 0.40 181 0.45 0.45 (.016) (.018) (.018) 300 371 TYP. TYP. TYP. 261 900 261 10 161 181 121 1.25 ± 0.2 670 900 (.049 ± .008) 161 300 1 0.1 1 0 100 1000 Common Mode Normal Mode Recommended Layout Z (f) 1 MHz 3 MHz10 MHz 30 MHz 100 MHz 300 MHz 1 GHz 1 MHz 3 MHz 10 MHz 30 MHz100 MHz 300 MHz 1 GHz 0.35 300 0.64 1.94 5.99 14.34 31.33 53.67 93.89 0.200 0.240 0.470 1.180 3.490 9.850 34.370 (.014) 670 1.45 4.42 13.62 32.45 70.17 117.65 201.20 0.250 0.290 0.550 1.340 3.830 10.560 34.260 REF. 900 1.04 3.09 10.14 28.96 90.46 254.50 491.35 0.280 0.330 0.610 1.520 4.150 11.260 38.760 121 2.64 7.96 23.80 56.67 126.11 218.67 417.23 0.330 0.380 0.670 1.640 4.710 13.030 43.460 161 1.79 5.35 17.50 49.70 153.36 327.38 574.77 0.390 0.440 0.760 1.850 5.290 14.560 53.660 171 3.87 11.68 35.09 82.74 180.25 314.98 587.53 0.400 0.450 0.750 1.800 5.050 13.770 48.810 0.50 (.020) 261 5.33 15.85 46.54 109.83 263.01 479.42 895.05 0.450 0.500 0.850 2.040 5.770 15.820 62.080 REF. 371 4.16 12.42 40.38 113.88 369.14 802.72 1135.60 0.510 0.560 0.890 2.070 5.760 15.600 72.730 0.35 0.90 0.80 (.014) (.035) (.032) REF. *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. REF. REF. 0.90 Specifications are subject to change without notice. (.035) REF. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. MM DIMENSIONS: Users should verify actual device performance in their specific applications. (INCHES)

Applications Noise suppression Personal computers Display panels SRF2012 Series - Common Mode Chip Inductors Soldering Profile Electrical Schematic 275 N1 <1> Maximum of 10 seconds between 260°C peak +255°C and +260°C <1> 255°C 1 2 225 220°C Ramp Down 4 3 (°C) 175 190°C s6e0c o- n9d0s 6m°Ca/xsiemcuomnd N2 e 150°C ur E at per 125 Tem 120 - 150 seconds T 10 seconds minimum 75 E Ramp Up 3°C/second maximum L 25 0 50 100 150 200 O 250 300 Time (seconds) Rev. 02/22/05 S B Packaging Specifications O 2.0 ± 0.5 178 (.079 ± .020) (7.00) 16.5 DIA. (.650) 13.0 21.0 ± 0.8 (.512) (.827 ± .031) DIA. 50.0 - 0 (1.969 - 0) 13.0 DIA. (.512) 14 + 0 (.551 + 0) 4.0 4.0 END (.157) (.157) START MM DIMENSIONS: (INCHES) NO COMPONENT NO COMPONENT 200 400 COMPONENTS (7.87) (15.75) USER DIRECTION OF FEED QTY: 2000 PCS. PER REEL REV. 03/16 Specifications 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 specific applications.

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: B ourns: SRF2012-222Y SRF2012-601Y SRF2012-121Y SRF2012-161Y SRF2012-181Y SRF2012-201Y SRF2012-221Y SRF2012-261Y SRF2012-300Y SRF2012-301Y SRF2012-361Y SRF2012-371Y SRF2012-501Y SRF2012-670Y SRF2012-671Y SRF2012-900Y SRF2012-901Y SRF2012-121YA SRF2012-161YA SRF2012-181YA SRF2012- 201YA SRF2012-221YA SRF2012-261YA SRF2012-361YA SRF2012-670YA SRF2012-900YA SRF2012-750Y SRF2012-371YA SRF2012-671YA SRF2012-501YA SRF2012-300YA SRF2012-301YA