ELL-VGG470M Equivalent & Substitute Parts

Part Overview

The ELL-VGG470M is a 47 µH shielded wirewound inductor manufactured by Panasonic Electronic Components, rated for 270 mA continuous current with 2.1Ohm DC resistance. This component is classified as obsolete, making equivalent substitutes necessary for new designs and production continuity. Substitute parts must maintain the same inductance value, current rating compatibility, and shielding characteristics while meeting modern RoHS3 compliance requirements.

Key Parameters

Parameter	ELL-VGG470M
Inductance	47 µH
Tolerance	±20%
Current Rating	270 mA
DC Resistance (DCR)	2.1Ohm
Shielding	Shielded
Mounting Type	Surface Mount
Package Size	3.00mm x 3.00mm
Height (Max)	1.50mm
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria applied strictly to the provided parameters:

Primary Criteria (Must Match):

Inductance: 47 µH ±20% tolerance
Shielding: Shielded or Semi-Shielded configuration
Mounting Type: Surface Mount
Package footprint: 3.00mm x 3.00mm nominal dimensions
Height: ≤1.50mm seated height

Secondary Criteria (Compatibility Range):

Current Rating: ≥270 mA minimum
DC Resistance: ≤2.5Ohm maximum (allows lower resistance for improved performance)
RoHS3 Compliance: Required for modern production

All four substitute parts meet these criteria and are therefore electrically and mechanically compatible with the ELL-VGG470M.

Parameter Comparison

Parameter	ELL-VGG470M (Panasonic)	LQH3NPN470MMEL (Murata)	SD3112-470-R (Eaton)	SD3114-470-R (Eaton)	SRN3015-470M (Bourns)
Inductance	47 µH	47 µH	47 µH	47 µH	47 µH
Tolerance	±20%	±20%	±20%	±20%	±20%
Current Rating (mA)	270	380	270	280	400
DC Resistance	2.1Ohm	984mOhm Max	1.85Ohm	1.86Ohm	1.406Ohm Max
Shielding	Shielded	Shielded	Shielded	Shielded	Semi-Shielded
Package Size (mm)	3.00 x 3.00	3.00 x 3.00	3.10 x 3.10	3.10 x 3.10	3.00 x 3.00
Height Max (mm)	1.50	1.50	1.20	1.40	1.50
Operating Temperature	Not specified	-40°C ~ 105°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	ROHS3 Compliant
Product Status	Obsolete	Discontinued at DiGi Electronics	Active	Active	Active

Engineering Selection Recommendations

For New Designs: SD3114-470-R (Eaton) or SRN3015-470M (Bourns) are preferred due to active product status and extended operating temperature range (-40°C ~ 125°C). Both maintain full RoHS compliance and offer improved DC resistance characteristics.

For Direct Replacement in Existing Assemblies: LQH3NPN470MMEL (Murata) provides the closest electrical match with superior current rating (380 mA) and lowest DC resistance (984mOhm), though operating temperature is limited to 105°C. This part is suitable for applications not requiring extended high-temperature operation.

For Space-Constrained Applications: SD3112-470-R (Eaton) offers the lowest seated height at 1.20mm while maintaining all electrical specifications, making it optimal for compact PCB layouts.

Compliance Considerations: All substitute parts maintain RoHS compliance. LQH3NPN470MMEL and SRN3015-470M carry ROHS3 certification, matching the original part's compliance level. SD3112-470-R and SD3114-470-R carry standard RoHS certification and are suitable for applications where ROHS3 is not explicitly required.

Frequently Asked Questions (FAQ)

Q: Can LQH3NPN470MMEL replace ELL-VGG470M in all applications? A: LQH3NPN470MMEL is electrically compatible and offers superior current rating and lower DC resistance. However, its maximum operating temperature is 105°C compared to the unspecified rating of the original part. Verify application temperature requirements before substitution.

Q: What is the difference between shielded and semi-shielded inductors? A: Shielded inductors (ELL-VGG470M, LQH3NPN470MMEL, SD3112-470-R, SD3114-470-R) provide complete electromagnetic containment. Semi-shielded inductors (SRN3015-470M) offer partial shielding with lower DC resistance and higher current rating, suitable for less noise-sensitive applications.

Q: Are the Eaton SD3112-470-R and SD3114-470-R interchangeable? A: Both are electrically equivalent 47 µH inductors with nearly identical DC resistance (1.85Ohm vs 1.86Ohm). The primary difference is seated height: SD3112-470-R is 1.20mm while SD3114-470-R is 1.40mm. Select based on available PCB clearance.

Q: Why is SRN3015-470M rated for 400 mA when the original is only 270 mA? A: Higher current rating indicates greater thermal capacity and lower saturation current. SRN3015-470M can safely handle higher currents without performance degradation, making it suitable for applications requiring margin above the 270 mA minimum.

Q: Do all substitutes fit the same PCB footprint? A: LQH3NPN470MMEL and SRN3015-470M use 3.00mm x 3.00mm footprints matching the original. SD3112-470-R and SD3114-470-R use 3.10mm x 3.10mm footprints, requiring minor PCB layout adjustment. Verify footprint compatibility before PCB design finalization.

Q: Which substitute offers the best long-term availability? A: SD3114-470-R (Eaton) and SRN3015-470M (Bourns) both carry active product status with established supply chains, providing superior long-term availability compared to discontinued alternatives.

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