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ZC1818 Series

High Current, High L Shielded Power Inductors

RoHS compliant halogen free AEC-Q flag
  • Optimized for the evaluation board STEVAL-L3751V12 from STMicroelectronics
  • High voltage rating of 75 V – higher than similar parts in the market
  • Low DCR and soft saturation characteristic for high current applications
  • AEC-Q200 Grade 1 (–40°C to +125°C)
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Specifications

Electrical specifications at 25°C. Operating voltage 0 — 75 V

Part number Inductance (µH) 1
(Tolerance: ±20%)
DCR (mΩ) 2 SRF typ (MHz) 3 Isat (A) 4 Irms (A) 5
typ max 10% drop 20% drop 30% drop 20°C rise 40°C rise
ZC1818-AED 8.2 6.0 7.5 10.8 13.3 22.4 30.0 18.0 24.0
Notes
  1. Inductance tested at 1 MHz, 0.1 Vrms, 0 Adc.
  2. DCR measured at 25°C on a micro-ohmmeter. For other operating temperatures, use this DCR at Temperature calculator.
  3. SRF measured using an Agilent/HP 4395A or equivalent.
  4. Isat: DC current at 25°C that causes an inductance drop of 30% (typ) from its value without current. Temperature derating curves.
  5. Irms: Current that causes the specified temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings. Temperature derating curves.
    Irms testing was performed on 0.75 inch wide × 0.25 inch thick copper traces in still air. Temperature rise is highly dependent on many factors including pcb land pattern, trace size, and proximity to other components. Therefore temperature rise should be verified in application conditions.

Termination:

  • E = Halogen free component. RoHS compliant tin-silver over copper terminations.

Packaging:

  • D = 13″ machine-ready reel. EIA-481 embossed plastic tape (150 parts per full reel). Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).
Environmental
Environmental:
RoHS compliant , halogen free
Ambient temperature range:
−40°C to +125°C with (40°C rise) Irms
Storage temperature range:
Component: –40°C to +165°C.
Tape and reel packaging: –55°C to +80°C
Maximum part temperature:
+165°C (Ambient + temperature rise)
Failures in Time (FIT) / Mean Time Between Failures (MTBF):

Performance curves

L vs Current

L vs Frequency

Physical characteristics

zc1818d.gif

Tape and Reel specification

tapereel_pl.gif


 
Parts per reel Reel dimensions (mm) Tape dimensions (mm) Orientation
13" (330 mm) A B C D E W P Po P1 H T part_or_ac-(1).gif
150 330 100 13 38,4 32,4 32 24 4 2 10,26 0,4

General specification

Core Material:
Composite
Weight:
13.1 g
Packaging:
150/13″ reel Plastic tape: 32 mm wide, 0.4 mm thick, 24 mm pocket spacing, 10.26 mm pocket depth

Soldering/Washing

Moisture Sensitivity Level (MSL):
1 (unlimited floor life at <30°C / 85% relative humidity)
Resistance to soldering heat:
Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles
Refer to Soldering Coilcraft Components before soldering.
PCB Washing:
Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.

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