CO M & PLI AE AN C T, QU ** A L HA IF LO IE G D EN FR EE Features Semi-shielded construction Inductance range: 0.47 to 10 H *R oH S Rated current up to 1.45 A AEC-Q200 qualified Low profile: 0.8 mm max. RoHS compliant* and halogen free** SRN2508A Series - Semi-shielded Power Inductors Inductance @ 1 MHz / 0.1 V Bourns Part No. SRN2508A-R47M SRN2508A-R68M SRN2508A-1R0M SRN2508A-1R5M SRN2508A-2R2M SRN2508A-3R3M SRN2508A-4R7M SRN2508A-6R8M SRN2508A-100M L (H) 0.47 0.68 1.0 1.5 2.2 3.3 4.7 6.8 10 Electrical Schematic Tol. % 20 20 20 20 20 20 20 20 20 Q @ 1 MHz Typ. 10 10 10 10 10 10 10 10 10 SRF (MHz) Typ. 340 270 220 180 140 110 90 80 50 DCR () 20 % 0.080 0.100 0.120 0.170 0.210 0.300 0.400 0.670 0.930 Irms (A) Typ. 1.45 1.35 1.20 1.05 0.95 0.85 0.70 0.55 0.45 Isat (A) Typ. 2.50 2.05 1.75 1.65 1.40 1.10 0.90 0.75 0.55 How to Order SRN2508A - R47M Model Operating Temperature ................................. -55 C to +125 C (Temperature rise included) Storage Temperature (Component) ................................. -55 C to +125 C Temperature Rise .....40 C at rated Irms Rated Current ............ Inductance drops 30 % at Isat Moisture Sensitivity Level .....................1 ................. N/A Materials Core ..............................................Ferrite Wire ............................Enameled copper Terminal Finish ...................................Sn Coating .................Magnetic epoxy resin Packaging ....... 2000 pcs. per 7-inch reel Product Dimensions Value Code (see table) 2.5 +0.3/-0.1 (.098 +.012/-.004) Recommended Layout 2.7 (.106) REF. 2.0 +0.35/-0.05 (.079 +.014/-.002) 2.2 (.087) REF. 0.8 (.031) REF. DIMENSIONS: MM (INCHES) 0.85 (.033) REF. 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 0.85 (.033) REF. 0.8 (.031) REF. DIMENSIONS: MM (INCHES) 0.8 (0.31) MAX. WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov * RoHS Directive 2015/863, Mar 31, 2015 and Annex. **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 his document, and at www.bourns.com/docs/legal/disclaimer.pdf SRF0504 Filter SRN2508ASeries Series- Line - Semi-shielded Power Inductors Inductance vs. Current SRN2508A-R68M SRN2508A-R47M 0.4 0.2 0 0.6 1.2 1.8 2.4 2.0 Inductance (H) Inductance (H) Inductance (H) 0.6 0.9 0.6 0.3 0 0 3.0 0 0.5 DC Current (A) SRN2508A-1R5M 1.5 2.0 0 1.0 0.5 0 1.0 1.5 3 2 1 0 SRN2508A-4R7M 0.8 1.2 1.6 0 0 DC Current (A) 1.2 0.6 0.9 1.2 1.5 SRN2508A-100M 20 9 6 3 15 10 5 0 0 0.9 0.3 DC Current (A) Inductance (H) Inductance (H) 2 0.6 1.5 SRN2508A-6R8M 4 0.3 3.0 0 0.4 12 6 2.0 4.5 DC Current (A) 8 1.5 SRN2508A-3R3M 0 2.0 1.0 6.0 DC Current (A) 0 0.5 DC Current (A) Inductance (H) 1.5 0.5 0.5 SRN2508A-2R2M 2.0 0 1.0 0 2.5 4 Inductance (H) Inductance (H) 1.0 1.5 DC Current (A) 2.5 Inductance (H) SRN2508A-1R0M 1.2 0.8 0 0.2 0.4 0.6 DC Current (A) 0.8 1.0 0 0.2 0.4 0.6 DC Current (A) 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 disclaimers as set forth on the last page of this document, and at www.bourns.com/legal/disclaimer.pdf. 0.8 SRF0504 Filter SRN2508ASeries Series- Line - Semi-shielded Power Inductors Preheating Soldering Natural Cooling TP (260 C, 10 Sec. Max.) Temperature (C) tp (245 C, 20~40 Sec.) 200 C 150C 217 C 60~150 Sec. 60~180 Sec. 480 Sec. Max. 25 Time (Seconds) 8.4 1.0 (.331 .004) 4.0 0.1 (.157 .004) 2.0 0.05 (.079 .002) 2.74 0.05 (.108 .002) 13.0 0.8 (.512 .031) 8.0 0.1 (.315 .004) 50.0 (1.969) MIN. 1.4 0.2 (.055 .008) 4.0 0.05 (.157 .002) 178 2.0 (7.008 .079) DIMENSIONS: 0.23 0.05 (.009 .002) 2.27 0.05 (.089 .002) MM (INCHES) USER DIRECTION OF FEED QTY: 2000 PCS. PER REEL 10/17 Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. 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