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Power Magnetics Tools

Power Inductor Finder
Get a sortable list of products that meet your specifications
DC-DC Inductor Selectors
- Buck, Boost Converters
  Calculate and find the best inductor for your switcher topology
- SEPIC Converter
  Find coupled or separate inductors for your SEPIC converter
Temperature Derating
- L & I at Temperature
  Find parts with a specific inductance/current combination at your operating temperature
- Derated L vs I Curves
  Plot Inductance vs Current for up to 4 parts at any temperature, all on the same graph
- DCR at Temperature
  See how your operating temperature will affect an inductor's nominal DCR.
Loss Calculators
- Core & Winding Losses
  Compare losses of up to 4 inductors
- Coupled Inductor Losses
  Perform detailed core and DCR loss comparisons
Flyback Transformer Picker
A guide to low cost off-the-shelf designs
Power Supply Simulators
Web-based simulators from major IC makers

RF Inductor Tools

RF Inductor Finder
Find all the RF inductors that meet your requirements
Comparison Graphs
Plot the Q, L, Z and ESR of up to 4 inductors on the same graphs
Highest Q
Quickly find parts with the highest Q at your inductance & frequency
RF Choke Finder
Enter your desired impedance and bandwidth and get a detailed list of suitable chokes
Highest Impedance
See inductors with the best impedance at a specific frequency
Inductance at Frequency
Find parts with a specific inductance at your operating frequency

CM Filter Finder Tool

IC / Inductor Match Tool

Other Tools

LPD and MSD Series
Common Mode Chokes

Common- and differential-mode filtering in a single device
Five sizes for a wide variety of applications
Excellent isolation and environmental stability
Refer to Designing Common Mode Filters for design guidance.
Other values are available. Can be used as coupled inductors for SEPIC applications
RoHS-compliant. 260°C compatible.
LPD: Silver-palladium-platinum-glass frit terminations
MSD: Matte tin over nickel over phos bronze
COTS Plus tin-silver-copper and tin-lead terminations available
Custom versions available

SPECIFICATIONS

Attenuation curves Impedance curves Irms Derating

Dimensions Tape and reel specifications

1	When ordering, please specify packaging codes: e.g. MSD7342-105MLC.
	Packaging:	For LPD3015, LPD4012 and MSD7342: C = 7" machine-ready reel EIA-481 embossed plastic tape. 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" reel, machine-ready EIA-481 embossed plastic tape. Factory order only, not stocked.

		For MSD1260 and MSD1278: D = 13" reel, machine-ready EIA-481 embossed plastic tape. B = Less than full reel In tape, but not machine-ready. To have a leader and trailer added ($25 charge), use code letter D instead.

2	Inductance shown for each winding, measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP 4263B LCR meter or equivalent.
3	DCR is specified per winding at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
4	Irms: Current per winding that causes a 40°C rise from 25°C ambient. Details
5	Ambient temperature range:	–40°C to +85°C with Irms current. +85°C to +125°C with derated current. Derating curve
6	Storage temperature range:	Component: –40°C to +125°C Tape and reel packaging: –40°C to +80°C
7	Resistance to soldering heat: Three reflows at >217°C for 90 seconds (+260°C ±5°C for 20 – 40 seconds), allowing parts to cool to room temperature between.
8	Electrical specifications at 25°C.
Refer to Soldering Coilcraft Components before soldering.