1210HS-102EMFS Equivalent & Substitute Parts

Part Overview

The 1210HS-102EMFS is a 1 µH unshielded drum core wirewound inductor manufactured by Delta Electronics/Components, rated for 445 mA continuous current with 500 mOhm DC resistance in a 1210 (3225 Metric) surface mount package. This part is classified as obsolete, necessitating identification of equivalent alternatives for ongoing production and design requirements. Substitute parts must maintain the same inductance value, package footprint, and core material while accommodating variations in current rating and DC resistance specifications.

Substiute Parts

1210HS-102EMFS

Delta Electronics/ComponentsIn Stock: 6791210HS-102EMFS Datasheet

Current PartRFQ

744032001

Würth ElektronikIn Stock: 1466744032001 Datasheet

DirectRFQ

BRL3225T1R0M

Taiyo YudenIn Stock: 1613BRL3225T1R0M Datasheet

DirectRFQ

CBC3225T1R0MRV

Taiyo YudenIn Stock: 1257CBC3225T1R0MRV Datasheet

DirectRFQ

NLCV32T-1R0M-EF

TDK CorporationIn Stock: 2270NLCV32T-1R0M-EF Datasheet

DirectRFQ

NLCV32T-1R0M-EFRD

TDK CorporationIn Stock: 2228NLCV32T-1R0M-EFRD Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 1210HS-102EMFS is determined by the following critical parameters:

Mandatory Matching Criteria:

• Inductance value: 1 µH (±20% tolerance)
• Package / Case: 1210 (3225 Metric)
• Core material: Ferrite, unshielded, drum core wirewound construction
• Mounting type: Surface mount
• RoHS3 compliance

Variable Parameters Allowing Substitution:

• Current rating (must equal or exceed 445 mA minimum)
• DC resistance (lower values preferred for reduced losses)
• Operating temperature range (must encompass -40°C to 85°C minimum)
• Product status (active or not for new designs acceptable)

All five substitute parts meet the mandatory matching criteria. Substitution selection depends on application-specific current requirements and thermal constraints.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Active Product Status):

The 744032001 (Würth Elektronik WE-LQ series) and NLCV32T-1R0M-EFRD (TDK Corporation NLCV-EFD series) are recommended as primary substitutes. Both parts carry active product status, ensuring long-term availability and supply chain stability. The 744032001 provides 750 mA current rating with 100 mOhm maximum DC resistance and extended operating temperature to 125°C. The NLCV32T-1R0M-EFRD offers 1.7 A current rating with 66 mOhm maximum DC resistance, AEC-Q200 automotive qualification, and 125°C maximum operating temperature.

Secondary Substitutes (Not For New Designs):

The BRL3225T1R0M (Taiyo Yuden BR series) and CBC3225T1R0MRV (Taiyo Yuden CB series) are classified as not for new designs. These parts remain electrically compatible but should be reserved for legacy system maintenance or replacement applications where design changes are not feasible. The BRL3225T1R0M provides the highest current rating at 2.2 A with 51.6 mOhm maximum DC resistance. The CBC3225T1R0MRV offers 1.1 A current rating with 71.5 mOhm maximum DC resistance.

Alternative Substitute (Active Status, Lower Current Rating):

The NLCV32T-1R0M-EF (TDK Corporation NLCV-EF series) carries active product status with 1.0 A current rating and 78 mOhm maximum DC resistance. This part is suitable for applications where the 445 mA original specification is adequate and cost optimization is a consideration.

Selection Criteria:

• For new designs requiring extended temperature operation: Select 744032001 or NLCV32T-1R0M-EFRD
• For automotive applications: Select NLCV32T-1R0M-EFRD (AEC-Q200 qualified)
• For legacy system replacement: Any active-status part maintains compatibility
• For high-current applications exceeding 445 mA: Select BRL3225T1R0M (2.2 A) or NLCV32T-1R0M-EFRD (1.7 A)
• For cost-optimized designs with standard current requirements: Select NLCV32T-1R0M-EF (1.0 A)

Frequently Asked Questions (FAQ)

Q: Can the 1210HS-102EMFS be directly replaced with any of these substitute parts?

A: Yes, all five substitute parts are electrically and mechanically compatible. The 1210HS-102EMFS operates at 445 mA, and all substitutes are rated for equal or higher current. All maintain the same 1 µH inductance, ±20% tolerance, 1210 (3225 Metric) package footprint, ferrite unshielded drum core construction, and surface mount configuration.

Q: What is the difference between active and not-for-new-designs product status?

A: Active products are currently manufactured and supported by the supplier with guaranteed long-term availability. Not-for-new-designs products are still available but may have limited production runs and eventual discontinuation. For new circuit designs, active-status parts (744032001, NLCV32T-1R0M-EF, NLCV32T-1R0M-EFRD) are preferred. Not-for-new-designs parts (BRL3225T1R0M, CBC3225T1R0MRV) are acceptable for legacy system maintenance.

Q: How do DC resistance differences affect circuit performance?

A: The original 1210HS-102EMFS has 500 mOhm DC resistance. All substitutes provide lower DC resistance (51.6 to 100 mOhm maximum), resulting in reduced power dissipation and improved efficiency. Lower DC resistance generates less heat and reduces voltage drop across the inductor at rated current. This is a beneficial characteristic for substitution.

Q: Are there package footprint differences between these parts?

A: All parts use the 1210 (3225 Metric) package with identical length (0.126" to 0.138") and width (0.098" to 0.110"). Height varies from 0.067" to 0.106" maximum. Verify PCB layout clearance for the specific substitute selected, particularly if height-constrained applications exist.

Q: Which substitute is best for high-temperature applications?

A: The 744032001 and NLCV32T-1R0M-EFRD both support -40°C to 125°C operating temperature, compared to the original part's -40°C to 85°C range. These parts are suitable for applications requiring extended thermal performance.

Q: Is AEC-Q200 qualification important for my application?

A: AEC-Q200 qualification indicates automotive-grade reliability testing and is required for automotive and safety-critical applications. The NLCV32T-1R0M-EFRD carries this qualification. Other substitutes do not list this certification. Select the NLCV32T-1R0M-EFRD if automotive compliance is mandatory.

Q: Can I use a substitute with higher current rating than the original 445 mA specification?

A: Yes. Using a substitute with higher current rating does not create compatibility issues. The circuit will operate within the substitute's safe operating range. Higher-rated parts typically have lower DC resistance, providing improved efficiency. Verify that the substitute's physical dimensions fit the PCB layout.

Q: What does ±20% inductance tolerance mean for substitution?

A: All parts, including the original and all substitutes, have ±20% inductance tolerance. This means the actual inductance value can vary from 0.8 µH to 1.2 µH. Circuit designs must account for this tolerance range. Substitution does not introduce additional tolerance risk.

Q: Are all substitutes RoHS3 compliant?

A: Yes, all substitute parts are ROHS3 compliant, matching the original part's environmental compliance status. All parts are also REACH unaffected and carry EAR99 ECCN classification.