1210HS-332EMFS Equivalent & Substitute Parts

Part Overview

The 1210HS-332EMFS is a 3.3 µH unshielded drum core wirewound inductor manufactured by Delta Electronics/Components, rated for 300 mA continuous current with 1 Ohm DC resistance. This surface mount component is housed in a 1210 (3225 Metric) package and operates across the temperature range of -40°C to 85°C.

The 1210HS-332EMFS carries an Obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this inductor specification.

Key Parameters

Parameter	Value
Inductance	3.3 µH
Inductance Tolerance	±20%
Current Rating	300 mA
DC Resistance (DCR)	1 Ohm
Core Type	Ferrite, Drum Core, Wirewound
Shielding	Unshielded
Package / Case	1210 (3225 Metric)
Mounting Type	Surface Mount
Operating Temperature Range	-40°C ~ 85°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 1210HS-332EMFS is determined by the following critical parameters:

Mandatory Matching Criteria:

Inductance value: 3.3 µH with ±20% tolerance
Package / Case: 1210 (3225 Metric) surface mount
Core type: Ferrite, drum core, wirewound construction
Shielding configuration: Unshielded

Flexible Parameters (Application-Dependent):

Current rating: The substitute must support the application's maximum current requirement
DC resistance: Lower DCR values indicate improved efficiency but are not required to match exactly
Operating temperature range: The substitute's range must encompass the application's operating conditions
Compliance certifications: RoHS3 and MSL ratings must meet or exceed the original specification

The four substitute parts listed below satisfy the mandatory matching criteria and are available from active or not-for-new-designs product lines with established supply chain presence.

Parameter Comparison

Parameter	1210HS-332EMFS (Main)	CBC3225T3R3MR	CBC3225T3R3MRV	NLCV32T-3R3M-EF	NLCV32T-3R3M-EFR
Manufacturer	Delta Electronics	Taiyo Yuden	Taiyo Yuden	TDK Corporation	TDK Corporation
Inductance	3.3 µH	3.3 µH	3.3 µH	3.3 µH	3.3 µH
Inductance Tolerance	±20%	±20%	±20%	±20%	±20%
Current Rating (Amps)	300 mA	1.04 A	850 mA	690 mA	1 A
DC Resistance (DCR)	1 Ohm	123.5 mOhm Max	123.5 mOhm Max	208 mOhm Max	192 mOhm Max
Core Type	Ferrite, Drum Core, Wirewound	Ferrite, Drum Core, Wirewound	Ferrite, Drum Core, Wirewound	Ferrite, Drum Core, Wirewound	Ferrite, Drum Core, Wirewound
Shielding	Unshielded	Unshielded	Unshielded	Unshielded	Unshielded
Package / Case	1210 (3225 Metric)	1210 (3225 Metric)	1210 (3225 Metric)	1210 (3225 Metric)	1210 (3225 Metric)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating Temperature Range	-40°C ~ 85°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
Product Status	Obsolete	Not For New Designs	Not For New Designs	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

For Active Product Line Designs:

The NLCV32T-3R3M-EFR and NLCV32T-3R3M-EF from TDK Corporation are the preferred substitutes. Both parts carry Active product status, ensuring long-term availability and supply chain stability. The NLCV32T-3R3M-EFR provides the highest current rating at 1 A, making it suitable for applications requiring headroom above the original 300 mA specification. The NLCV32T-3R3M-EF offers 690 mA current capacity with lower DC resistance at 208 mOhm Max, providing improved efficiency characteristics. Both TDK parts extend the operating temperature range to 105°C and maintain full ROHS3 compliance and MSL 1 rating.

For Legacy Design Support:

The CBC3225T3R3MRV from Taiyo Yuden provides a direct functional equivalent with 850 mA current rating and 123.5 mOhm Max DC resistance. This part carries Not For New Designs status but maintains adequate inventory (1985 Pcs) for ongoing production support. The CBC3225T3R3MR variant offers higher current capacity at 1.04 A with significantly lower DCR, suitable for applications where thermal performance is critical.

Compliance Considerations:

All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original specification. All parts are classified under ECCN EAR99 and HTSUS 8504.50.4000 or 8504.50.8000, consistent with the original component's regulatory classification.

Frequently Asked Questions (FAQ)

Q: Can the NLCV32T-3R3M-EFR directly replace the 1210HS-332EMFS in existing designs?

A: Yes. The NLCV32T-3R3M-EFR matches the mandatory substitution criteria: 3.3 µH inductance with ±20% tolerance, 1210 (3225 Metric) surface mount package, ferrite drum core wirewound construction, and unshielded configuration. The higher current rating (1 A versus 300 mA) and lower DC resistance (192 mOhm Max versus 1 Ohm) provide improved performance margins. Extended operating temperature range (-40°C to 105°C) and Active product status support long-term design continuity.

Q: What is the difference between the CBC3225T3R3MR and CBC3225T3R3MRV?

A: Both Taiyo Yuden parts share identical inductance, tolerance, package, and core specifications. The primary difference is current rating: CBC3225T3R3MR is rated for 1.04 A, while CBC3225T3R3MRV is rated for 850 mA. Both feature 123.5 mOhm Max DC resistance and 2 A saturation current. Selection depends on the application's maximum current requirement.

Q: Why does the 1210HS-332EMFS have 1 Ohm DC resistance while substitute parts have significantly lower values?

A: DC resistance values are determined by wire gauge and core material composition during manufacturing. The substitute parts utilize optimized winding designs that reduce resistive losses while maintaining the same inductance value and package footprint. Lower DC resistance improves efficiency and reduces heat generation, representing an advancement in component design.

Q: Are all substitute parts available in Tape & Reel packaging?

A: Yes. All four substitute parts are supplied in Tape & Reel (TR) packaging, suitable for automated assembly processes. This packaging format matches the original component's surface mount application requirements.

Q: Which substitute part should be selected for new designs?

A: The NLCV32T-3R3M-EFR is the recommended choice for new designs. It carries Active product status, ensuring availability throughout the design lifecycle. The 1 A current rating provides adequate margin for most applications, and the 192 mOhm Max DC resistance delivers superior thermal performance compared to the original 1 Ohm specification.

Q: Do the substitute parts maintain the same self-resonant frequency characteristics?

A: No. The original 1210HS-332EMFS has a self-resonant frequency of 120 MHz. The TDK NLCV-EF series parts operate at 54 MHz, while the Taiyo Yuden CBC series parts operate at 160 MHz. Applications sensitive to high-frequency behavior should evaluate these differences against circuit requirements.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All four substitute parts carry ROHS3 Compliant certification, matching the original component's environmental compliance status. All parts also maintain MSL 1 (Unlimited) moisture sensitivity rating.

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