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Document 874-1 Revised 11/24/14 Shielded Power Inductors – SER3018H Document 874-1 Inductance2 DCR (mOhms)3 SRF typ4 Isat (A)5 Irms (A)6 Part number1 ±10% (µH) nom max (MHz) 10% drop 20% drop 30% drop 20°C rise 40°C rise Core material Ferrite Environmental RoHS compliant, halogen free Terminations RoHS compliant matte tin over nickel over phos bronze. Other terminations available at additional cost. Weight 36.2 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. Tray 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 25 pieces per tray PCB washing Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. See Doc787_PCB_Washing.pdf.
- Same electrical specifications and land pattern as the SER2918H
- Mounting plate with three pads for excellent board adhesion
- Extremely low DCR; current handling up to 93.6 Amps 1. When ordering, please specify termination code: SER3018H-333KE Termination: E = Halogen free component. RoHS compliant matte tin over nickel over phos bronz. Special order: T = RoHS tin-silver-copper (95.5/4/0.5) or S = non-RoHS tin-lead (63/37). 2. Inductance measured at 500 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP 4284A LCR meter or equivalent. 3. DCR measured on a Keithley 580 micro-ohmmeter or equivalent. 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.
Shielded Power Inductors – SER3018H Series Document 874-2 Document 874-2 Revised 11/24/14 Temperature Rise vs Current Current Derating Dimensions are in inches mm 10Temperature rise ro m 2 5°C) Current (Arms) 1003 04 020 50 60 -40 -20 02 04 06 08 0 100 140120 Ambient temperature (°C) Pe rcent of rated c urrent 120 110 100 Isat Irms 25° C
Shielded Power Inductors – SER3018H Series Document 874-3 Document 874-3 Revised 11/24/14 L vs Current L vs Frequency 100 0.1 1 10010 Current (A) Inductance (µH) 10 µH 15 µH 22 µH 4.7 µH 33 µH 6.8 µH 3.3 µH 0.1 100 0.1 1 10010 Frequency (MHz) Inductance (µH) 10 µH 15 µH 22 µH 4.7 µH 33 µH 6.8 µH 3.3 µH ESR vs Frequency 0.1 11 0 Frequency (MHz) Equiv alent Series Resistance (Ohms) 6.8 µH 4.7 µH µH 3.3 µH µH µH µH