WE-EHPI Energy Harvesting Coupled Inductor

Size	Dimensions	L (mm)	W (mm)	H (mm)
5838		6	6	4

LTSpice files

LT
LTSpice_WE-EHPI (rev23a).zip
|
2 KB

Characteristics

Low profile: 4 mm
Small footprint 6 x 6 mm
Very low secondary RDC
Multiple options of turn ratios available
Separated welding/soldering pads for increased reliability
Optimized winding technology for increased performance & reliability

Applications

Wireless fire, alarm, gas and metering remote sensors driven by environmental energies based on energy harvesting voltage transformers like LTC3108/LTC3109
Sensors with predictive battery replacements in applications which are difficult to access
Energy self-sufficient supply using subsequent installed sensors for energy harvesting

Application Notes

ANP138 Custom Rated Current Calculator
PDF

An Excellent Duet!

The WE-MCRI is an innovative molded coupled inductor with fully automated bifilar winding process. It offers an almost ideal coupling coefficient up to 0.995.

Product video and more

Products

5838

Order Code	Datasheet	Downloads	Status	L₁ (µH)	L₂ (µH)	n	I_R (A)	I_SAT1 (A)	R_{DC1 typ} (Ω)	R_{DC2 typ} (Ω)	R_{DC1 max} (Ω)	R_{DC2 max} (Ω)
74488540070	SPEC	7 files EDA models: Components ZIP ALT WE-EHPI (rev22b).IntLib \| 735 KB CDS Cadence_WE-EHPI (rev23a).zip \| 2.2 MB EAG Eagle_WE-EHPI (rev19a).lbr \| 21.9 KB CAD files ZIP 3D 3D_74488540070 (rev1).pdf \| 2.5 MB IGS WE-EHPI_5838 (rev1).igs \| 3.3 MB STP WE-EHPI_5838 (rev1).stp \| 1.2 MB Electric models ZIP PSP PSpice_WE-EHPI (rev23a).zip \| 3.5 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	7	70000	1 : 100	1.9	1.3	0.085	205	0.095	240
74488540120	SPEC	7 files EDA models: Components ZIP ALT WE-EHPI (rev22b).IntLib \| 735 KB CDS Cadence_WE-EHPI (rev23a).zip \| 2.2 MB EAG Eagle_WE-EHPI (rev19a).lbr \| 21.9 KB CAD files ZIP 3D 3D_74488540120 (rev1).pdf \| 2.5 MB IGS WE-EHPI_5838 (rev1).igs \| 3.3 MB STP WE-EHPI_5838 (rev1).stp \| 1.2 MB Electric models ZIP PSP PSpice_WE-EHPI (rev23a).zip \| 3.5 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	13	33000	1 : 50	1.7	1	0.09	135	0.1	155
74488540250	SPEC	7 files EDA models: Components ZIP ALT WE-EHPI (rev22b).IntLib \| 735 KB CDS Cadence_WE-EHPI (rev23a).zip \| 2.2 MB EAG Eagle_WE-EHPI (rev19a).lbr \| 21.9 KB CAD files ZIP 3D 3D_74488540250 (rev1).pdf \| 2.5 MB IGS WE-EHPI_5838 (rev1).igs \| 3.3 MB STP WE-EHPI_5838 (rev1).stp \| 1.2 MB Electric models ZIP PSP PSpice_WE-EHPI (rev23a).zip \| 3.5 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	25	10000	1 : 20	1.5	0.7	0.2	42	0.24	48

Order Code	Datasheet
74488540070	SPEC
74488540120	SPEC
74488540250	SPEC

Samples

Order Code	Datasheet	Downloads	Status	L₁ (µH)	L₂ (µH)	n	I_R (A)	I_SAT1 (A)	R_{DC1 typ} (Ω)	R_{DC2 typ} (Ω)	R_{DC1 max} (Ω)	R_{DC2 max} (Ω)	Samples

REDEXPERT loss simulation

Find the best inductor!

REDEXPERT has the world’s most accurate AC loss model, which even includes the DC-bias current. With dedicated DC-DC topologies or the generic loss simulator, you can accurately determine the AC and DC losses for your converter. The model includes the core material, shape and winding structure of the inductor. REDEXPERT recommends suitable inductors and allows you to add more filters to find the best inductor for your application.

Learn more

Discover now:

Development Kit Energy Harvesting

Development Kit Gleanergy

Videos

WE-MCRI – Innovative Molded Coupled Inductor by Würth Elektronik eiSos

Videos

Würth Elektronik Webinar: Energy Harvesting development steps

Videos

Würth Elektronik Webinar: Energy Harvesting is no longer a fiction

Videos

Würth Elektronik Webinar: Energy Harvesting: Now a Real and Efficient Solution

Videos

Würth Elektronik Webinar: Energy Harvesting ist keine Fiktion mehr

Videos

Würth Elektronik Webinar: Energy Harvesting development steps

LTSpice files

Characteristics

Applications

Application Notes

An Excellent Duet!

Products

REDEXPERT loss simulation

Find the best inductor!

Discover now:

Videos

Videos

Videos

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