IMC1210SY4R7J Equivalent & Substitute Parts

Part Overview

The IMC1210SY4R7J is a 4.7 µH unshielded drum core wirewound inductor manufactured by Vishay Dale, rated for 224 mA maximum current with 1.5 Ohm maximum DC resistance. This surface mount component operates across the temperature range of -55°C to 125°C and is packaged in the 1210 (3225 Metric) form factor. The part is currently active in production with 1076 pieces in stock. Equivalent and substitute parts are identified for applications requiring alternative sourcing, inventory management, or specific compliance requirements.

Key Parameters

Parameter	Value
Inductance	4.7 µH
Inductance Tolerance	±5%
Current Rating	224 mA
DC Resistance (Max)	1.5 Ohm
Core Material	Iron Powder
Shielding	Unshielded
Package / Case	1210 (3225 Metric)
Operating Temperature Range	-55°C to 125°C
Mounting Type	Surface Mount
Q @ Frequency	30 @ 7.96 MHz
Self Resonant Frequency	50 MHz

Substitute Part Grouping Explanation

Substitute parts for the IMC1210SY4R7J are qualified based on the following electrical and mechanical parameters:

Critical Matching Parameters:

Inductance value: 4.7 µH ±5%
DC resistance: 1.5 Ohm maximum
Current rating: minimum 165 mA (all substitutes meet or exceed the original 224 mA specification)
Package footprint: 1210 (3225 Metric) or compatible form factor
Mounting type: Surface mount
Operating temperature range: minimum -40°C to 105°C (acceptable for most applications; original extends to -55°C and 125°C)
Shielding: Unshielded
Core type: Ferrite or iron powder acceptable for equivalent inductance and Q characteristics

Substitutes Identified:

B82422T1472J000 (EPCOS - TDK Electronics): Ferrite core, 220 mA rating, AEC-Q200 rated
CM322522-4R7JL (Bourns Inc.): Ferrite core, 165 mA rating, nonstandard package designation
NLV32T-4R7J-EF (TDK Corporation): Ferrite core, 220 mA rating, active product status
NLV32T-4R7J-PF (TDK Corporation): Ferrite core, 220 mA rating, not for new designs

Parameter Comparison

Parameter	IMC1210SY4R7J (Main)	B82422T1472J000	CM322522-4R7JL	NLV32T-4R7J-EF	NLV32T-4R7J-PF
Manufacturer	Vishay Dale	EPCOS - TDK Electronics	Bourns Inc.	TDK Corporation	TDK Corporation
Inductance	4.7 µH	4.7 µH	4.7 µH	4.7 µH	4.7 µH
Tolerance	±5%	±5%	±5%	±5%	±5%
Current Rating (mA)	224	220	165	220	220
DC Resistance (Max)	1.5 Ohm	1.5 Ohm	1.5 Ohm	1.5 Ohm	1.5 Ohm
Core Material	Iron Powder	Ferrite	Ferrite	Ferrite	Ferrite
Shielding	Unshielded	Unshielded	Unshielded	Unshielded	Unshielded
Package / Case	1210 (3225 Metric)	2-SMD, J-Lead	Nonstandard	1210 (3225 Metric)	1210 (3225 Metric)
Q @ 7.96 MHz	30	30	30	30	30
Self Resonant Frequency	50 MHz	50 MHz	55 MHz	50 MHz	50 MHz
Operating Temperature Range	-55°C to 125°C	-55°C to 125°C	-40°C to 125°C	-40°C to 105°C	-40°C to 105°C
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Not For New Designs
Ratings	-	AEC-Q200	-	-	-

Engineering Selection Recommendations

B82422T1472J000 (EPCOS - TDK Electronics): This substitute is recommended for applications requiring automotive-grade reliability. It carries AEC-Q200 certification and maintains the full operating temperature range of -55°C to 125°C. RoHS3 compliance is achieved. The 220 mA current rating is marginally lower than the original 224 mA specification but remains suitable for most applications. Package designation differs (2-SMD, J-Lead) but maintains 1210 (3225 Metric) footprint compatibility.

CM322522-4R7JL (Bourns Inc.): This part is suitable for applications where the 165 mA current rating is sufficient. It provides RoHS3 compliance and operates to 125°C maximum temperature. The nonstandard package designation and lower current rating limit its use to designs with reduced current requirements. The 55 MHz self-resonant frequency provides slightly higher frequency performance.

NLV32T-4R7J-EF (TDK Corporation): This substitute is appropriate for new designs requiring RoHS3 compliance and active product status. It maintains 220 mA current rating and standard 1210 (3225 Metric) packaging. Operating temperature range is limited to -40°C to 105°C, which may restrict use in extreme temperature applications. This part is recommended for general-purpose substitution in new designs.

NLV32T-4R7J-PF (TDK Corporation): This part carries a "Not For New Designs" status and should be used only for legacy system maintenance or replacement applications. While electrically equivalent to NLV32T-4R7J-EF, its obsolescence trajectory makes it unsuitable for new product development.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a lower current rating than the original?

A: Substitution with lower current ratings is permissible only if your application's actual current draw does not exceed the substitute part's rating. The CM322522-4R7JL (165 mA) can replace the IMC1210SY4R7J (224 mA) only in circuits drawing less than 165 mA. Exceeding the rated current causes inductor saturation and performance degradation.

Q: What is the difference between iron powder and ferrite core materials in these inductors?

A: The original IMC1210SY4R7J uses iron powder core material, while all substitutes use ferrite cores. Both materials achieve the specified 4.7 µH inductance and 1.5 Ohm DC resistance. Ferrite cores typically exhibit lower core losses at higher frequencies and better temperature stability. Iron powder cores may provide different EMI characteristics. Selection depends on application-specific requirements not specified in the electrical parameters.

Q: Are the package dimensions identical across all parts?

A: The IMC1210SY4R7J, NLV32T-4R7J-EF, and NLV32T-4R7J-PF share identical 1210 (3225 Metric) packaging with dimensions 0.126" L x 0.098" W (3.20mm x 2.49mm to 2.50mm). The B82422T1472J000 uses 2-SMD, J-Lead packaging but maintains compatible 1210 footprint dimensions. The CM322522-4R7JL is designated as nonstandard packaging; physical verification is required before substitution.

Q: What does RoHS3 compliance mean for component selection?

A: RoHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting lead, cadmium, mercury, and other hazardous materials. The original IMC1210SY4R7J is RoHS non-compliant. All substitute parts are RoHS3 compliant, making them suitable for applications with environmental or regulatory compliance requirements.

Q: Can I use NLV32T-4R7J-PF in a new design?

A: No. The "Not For New Designs" status indicates this part is in obsolescence phase. Use NLV32T-4R7J-EF for new designs instead. NLV32T-4R7J-PF should be reserved for legacy system maintenance only.

Q: How do operating temperature ranges affect substitution?

A: The original part operates -55°C to 125°C. Substitutes B82422T1472J000 and CM322522-4R7JL maintain this range. NLV32T-4R7J-EF and NLV32T-4R7J-PF are limited to -40°C to 105°C. If your application requires operation below -40°C or above 105°C, use B82422T1472J000 or CM322522-4R7JL.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message