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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 09/09/15 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 25°C that causes the specified inductance drop from its value without current. Click for temperature derating information. 6. Current that causes the specified temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings. Click for temperature derating information. 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 (40°C rise) Irms current. Maximum part temperature +125°C (ambient + temp rise). Derating. 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 to MIL-STD-202 Method 215 plus an additional aqueous wash. See Doc787_PCB_Washing.pdf.
- High current, low DCR shielded power inductors
- 10.2 × 11 mm base; only 5.2 mm tall
Shielded Power Inductors - SER1052 Series Document 535-2 Revised 09/09/15 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 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 Prior to 2012, parts may have been marked differently