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Technical content
+1-847-639-6400 sales@coilcraft.com +44-1236-730595 sales@coilcraft-europe.com +886-2-2264 3646 sales@coilcraft.com.tw +86-21-6218 8074 sales@coilcraft.com.cn + 65-6484 8412 sales@coilcraft.com.sg © Coilcraft Inc. 2013 This product may not be used in medical or high risk applications without prior Coilcraft approval. Specification subject to change without notice. Please check web site for latest information. Shielded Power Inductors – SER1052 Inductance DCR SRF Isat (A)5 I rms(A)6 ±20%2 max 3 typ 4 10% 20% 30% 20°C 40°C Part number1 (µH) (mOhm) (MHz) drop drop drop rise rise Document 535-1 Revised 04/09/13 Document 535 -1 1. Please specify termination and packaging codes: SER1052-572MLD Termination: L = RoHS compliant tin-silver over copper (pins 1 and 2); matte tin over nickel over phos bronze (pin 3). Special order: T = RoHS tin-silver-copper (95.5/4/0.5) or S = non-RoHS tin-lead (63/37). Packaging: C = 7″ machine-ready reel. EIA-481 em- bossed plastic tape (200 parts per full reel). B = Less than full reel. In tape, but not machine ready. To have a leader and trailer added ($25 charge), use code letter C instead. D = 13″ machine-ready reel. EIA-481 em- bossed plastic tape. Factory order only, not stocked (700 parts per full reel) 2. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP 4284A or equivalent. 3. DCR measured on a micro-ohmmeter. 4. SRF measured using an Agilent/HP 4395A network analyzer and an Agilent/HP 16193A test fixture. 5. DC current at which the inductance drops the specified amount from its value without current. 6. Current that causes the specified temperature rise from 25°C ambient. 7. Electrical specifications at 25°C. Refer to Doc 362 “Soldering Surface Mount Components” before soldering. Designer’s Kit C421 contains 3 of each value Core and winding loss See www.coilcraft.com/coreloss Core material Ferrite Terminations RoHS compliant tin-silver over tin over nickel over phos bronze (pins 1 and 2); matte tin over nickel over phos bronze (pin 3). Other terminations available at additional cost. Weight 1.6 g Ambient temperature –40°C to +85°C with Irms current, +85°C to +125°C with derated current Storage temperature Component: –40°C to +125°C. Tape and reel packaging: –40°C to +80°C Resistance to soldering heat Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C / 85% relative humidity) Failures in Time (FIT) / Mean Time Between Failures (MTBF) 38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332 Packaging 200/7″ reel; 700/13″ reel Plastic tape: 24 mm wide, 0.4 mm thick, 16 mm pocket spacing, 5.45 mm pocket depth PCB washing Tested with pure water or alcohol only. For other solvents, see Doc787_PCB_Washing.pdf.
- High current, low DCR shielded power inductors
- 10.2 × 11 mm base; only 5.2 mm tall
+1-847-639-6400 sales@coilcraft.com +44-1236-730595 sales@coilcraft-europe.com +886-2-2264 3646 sales@coilcraft.com.tw +86-21-6218 8074 sales@coilcraft.com.cn + 65-6484 8412 sales@coilcraft.com.sg © Coilcraft Inc. 2013 This product may not be used in medical or high risk applications without prior Coilcraft approval. Specification subject to change without notice. Please check web site for latest information. Shielded Power Inductors - SER1052 Series Document 535-2 Revised 04/09/13 Document 535-2 Typical L vs Frequency Typical L vs Current 0.1 11 0 100 Inductance (µH) Frequency (MHz) 2.0 µH 0.8 µH 1.3 µH 3.2 µH 5.7 µH 0.1 11 0 100 Inductance (µH) Current (A) 2.0 µH 0.8 µH 1.3 µH 3.2 µH 5.7 µH Irms Derating -40 -20 02 04 06 08 0 100 140120 Ambient temperature (°C) 120 110 100 25°C Pe rcent of rated rmsI Dimensions are in inches mm Terminal 3 is for mounting stability only. Recommended Land Pattern 0.402±0.008 10,2 ±0,20 0.205 5,20 max 0.215 5,47 0.069 1,75 0.28 7,1 0.091 2,30 0.087 2,20 0.087 2,20 0.125 3,18 0.118 3,00 0.118 3,00 0.079 2,00 0.134 3,40 0.087 2,20 0.433 ±0.008 11,0 ±0,20 Internal code 0.152 3,85 SER1052-XXXL XXXX Y