T PL IA N M CO *R oH S Features Applications High impedance value Noise suppression Current rating up to 400 mA Personal computers RoHS compliant* and halogen free** Display panels SRF2012A Series - Common Mode Chip Inductors Electrical Specifications General Specifications Impedance @ 100 MHz Part Number () Tolerance (%) Rated Voltage (VDC) Withstanding Voltage (DC) Insulation Resistance (M) Min. DCR Max. () IDC Max. (mA) 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 Reflow soldering .... 230 C; 50 sec max. Operating Temperature ................................-55 C to +125 C (Temperature rise included) Storage Temperature ................................-55 C to +125 C Resistance to Soldering Heat .......................... 260 C, 10 sec. max. Temperature Rise ......30 C max. at IDC Materials Core ..............................................Ferrite Wire ............................Enameled copper Terminal ....................................Ag/Ni/Sn Packaging ....... 2000 pcs. per 7-inch reel Product Dimensions 2.0 0.2 (.079 .008) Soldering Profile 275 <1> Maximum of 10 seconds between +255C and +260C 0.15 0.1 (.006 .004) 260C peak <1> 255C 225 1 2 4 3 0.46 0.1 ( .018 .004) 220C Temperature (C) 190C Ramp Down 6C/second maximum 60 - 90 seconds 175 150C 125 120 - 150 seconds 10 seconds minimum 0.46 0.1 ( .018 .004) 75 Ramp Up 3C/second maximum 0.55 0.1 ( .022 .004) 0.55 0.1 ( .022 .004) 25 0 50 100 150 200 250 Time (seconds) How to Order 3 00 Rev. 02/22/05 1.2 0.2 (.047 .008) Schematic SRF2012 - 201 Y A 1 2 4 3 1.2 0.2 (.047 .008) Model Value Code (see table) Tolerance Code Recommended Layout Model Suffix WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov * 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. Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf 1 2 4 3 1.1 (.043) . 1.25 (.049) 0.45 (.018) 2.6 (.102) DIMENSIONS: MM (INCHES) SRF2012A Series - Common Mode Chip Inductors Typical Impedance vs. Frequency Curves SRF2012-300YA SRF2012-670YA 1000 Impedance (Ohms) Impedance (Ohms) 1000 100 Common Mode 10 Normal Mode 1 0.1 100 Common Mode 10 Normal Mode 1 0.1 1 10 100 1000 10000 1 10 Frequency (MHz) SRF2012-900YA 100 Common Mode 10 Normal Mode 1 0.1 1 10 100 1000 100 Normal Mode 1 0.1 10000 1 Common Mode 10 Normal Mode 1 1000 10000 SRF2012-181YA Common Mode 100 10 Normal Mode 1 0.1 0.1 1 10 1000 100 1 10000 10 SRF2012-201YA Common Mode 100 10 Normal Mode 1 0.1 1 10 100 Frequency (MHz) 1000 10000 SRF2012-221YA 1000 Impedance (Ohms) 1000 100 Frequency (MHz) Frequency (MHz) Impedance (Ohms) 100 1000 Impedance (Ohms) Impedance (Ohms) 10 Frequency (MHz) SRF2012-161YA 100 Common Mode 10 Frequency (MHz) 1000 10000 SRF2012-121YA 1000 Impedance (Ohms) Impedance (Ohms) 1000 1000 100 Frequency (MHz) 1000 10000 100 Common Mode 10 Normal Mode 1 0.1 1 10 100 1000 10000 Frequency (MHz) Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. SRF0504 Series - Line Filter Mode Chip Inductors SRF2012A Series - Common Typical Impedance vs. Frequency Curves (Continued) SRF2012-261YA Common Mode 100 SRF2012-301YA 1000 Impedance (Ohms) Impedance (Ohms) 1000 10 Normal Mode 1 100 Common Mode 10 Normal Mode 1 0.1 0.1 1 10 100 1000 1 10000 10 SRF2012-361YA 10000 Common Mode Impedance (Ohms) Common Mode Impedance (Ohms) 1000 SRF2012-371YA 1000 1000 100 10 Normal Mode 1 100 10 Normal Mode 1 0.1 0.1 1 10 100 1000 1 10000 10 100 1000 10000 Frequency (MHz) Frequency (MHz) SRF2012-501YA SRF2012-671YA 10000 10000 1000 Impedance (Ohms) Impedance (Ohms) 100 Frequency (MHz) Frequency (MHz) Common Mode 100 10 Normal Mode 1 0.1 1000 Common Mode 100 10 Normal Mode 1 0.1 1 10 100 1000 10000 Frequency (MHz) 1 10 100 1000 10000 Frequency (MHz) SRF2012-901YA Impedance (Ohms) 10000 1000 Common Mode 100 10 Normal Mode 1 1 10 100 1000 10000 Frequency (MHz) Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. SRF2012A Series - Common Mode Chip Inductors Packaging Specifications 9.0 0.5 (.354 .020) 13.5 0.5 (.531 .020) DIA. R 60 2 (2.362 .079) R 20.5 (.807) 13.5 0.5 (.531 .020) 10.5 (.413) 0.5 R (.020) R 1.9 (.075) 178 2 (7.008 .079) 120 2.0 0.05 (.079 .002) 4.0 0.1 (.157 .004) 1.75 0.1 (.069 .004) 1.5 + 0.1 DIA. (.059 + .004) A 0.22 0.05 (.009 .002) 8.0 0.1 (.315 .004) 3.5 0.05 (.138 .002) 2.35 0.1 (.093 .004) 4.0 0.1 (.157 .004) 1.45 0.1 (.057 .004) 1.1 + 0.1 DIA. (.043 + .004) A 1.50 0.1 (.059 .004) SECTION A-A DIMENSIONS: MM (INCHES) USER DIRECTION OF FEED QTY: 2000 PCS. PER REEL Tel: +886-2 2562-4117 * Email: asiacus@bourns.com EMEA: Tel: +36 88 520 390 * Email: eurocus@bourns.com The Americas: Tel: +1-951 781-5500 * Email: americus@bourns.com www.bourns.com REV. 09/16 Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. Legal Disclaimer Notice This legal disclaimer applies to purchasers and users of Bourns(R) products manufactured by or on behalf of Bourns, Inc. and P[ZHSPH[LZJVSSLJ[P]LS)V\YUZ Unless otherwise expressly indicated in writing, Bourns(R) products and data sheets relating thereto are subject to change ^P[OV\[UV[PJL<ZLYZZOV\SKJOLJRMVYHUKVI[HPU[OLSH[LZ[YLSL]HU[PUMVYTH[PVUHUK]LYPM[OH[Z\JOPUMVYTH[PVUPZJ\YYLU[ and complete before placing orders for Bourns(R) products. 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