1210-122J Fixed Inductor Equivalent & Substitute Parts

Part Overview

The 1210-122J is a fixed surface mount inductor manufactured by API Delevan Inc. with an inductance value of 1.2 µH, designed for general-purpose RF and filtering applications. This unshielded ferrite core inductor operates across a wide temperature range and supports a maximum current rating of 497 mA with a DC resistance of 750 mOhm maximum.

The 1210-122J maintains Active product status and is available in standard Tape & Reel packaging. Identifying equivalent and substitute parts is necessary when addressing supply chain constraints, compliance requirements, or specific application needs while maintaining electrical and mechanical compatibility.

Substiute Parts

1210-122J

API Delevan Inc.In Stock: 11461210-122J Datasheet

Current PartRFQ

1210R-122J

API Delevan Inc.In Stock: 16831210R-122J Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 1210-122J are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

Critical Matching Parameters:

• Inductance value: 1.2 µH with ±5% tolerance
• Current rating: 497 mA minimum
• DC resistance: 750 mOhm maximum
• Package / Case: 1210 (3225 Metric) surface mount form factor
• Core material: Ferrite unshielded construction
• Operating temperature range: -55°C to 125°C minimum
• Self resonant frequency: 100 MHz minimum
• Q factor @ 7.9 MHz: 30 minimum

The 1210R-122J from API Delevan Inc. meets all electrical and mechanical parameters required for direct substitution with the 1210-122J. Both parts share identical inductance, current rating, DC resistance, package dimensions, and thermal specifications. The primary distinction between these parts relates to compliance certifications rather than functional performance.

Parameter Comparison

Engineering Selection Recommendations

1210R-122J as Direct Substitute:

The 1210R-122J provides complete electrical and mechanical compatibility with the 1210-122J. All functional parameters including inductance, current rating, DC resistance, frequency characteristics, and thermal operating range are identical. Both parts utilize ferrite core construction in the same 1210 (3225 Metric) surface mount package.

The 1210R-122J carries ROHS3 compliance certification, whereas the 1210-122J is RoHS non-compliant. This distinction is significant for applications subject to RoHS regulatory requirements or customer specifications mandating RoHS compliance. Both parts maintain REACH Unaffected status and identical moisture sensitivity levels.

Selection between these parts should be based on compliance requirements specific to the application or end-use market. Where RoHS compliance is required, the 1210R-122J is the appropriate selection. Where RoHS compliance is not a constraint, either part satisfies the electrical and mechanical requirements identically.

Frequently Asked Questions (FAQ)

Q: Can the 1210R-122J replace the 1210-122J in existing designs?

A: Yes. The 1210R-122J provides complete electrical and mechanical substitution. All inductance, current rating, DC resistance, frequency response, and thermal specifications are identical. The parts are pin-compatible and occupy the same PCB footprint. The primary difference is RoHS compliance status.

Q: What is the significance of the RoHS compliance difference?

A: RoHS compliance indicates adherence to the Restriction of Hazardous Substances directive. The 1210R-122J meets ROHS3 requirements, while the 1210-122J does not. Applications destined for markets with RoHS mandates or customer specifications requiring RoHS compliance must use the 1210R-122J. Applications without such requirements can use either part.

Q: Are the physical dimensions identical?

A: Yes. Both parts share identical dimensions: 0.128" L × 0.095" W (3.25 mm × 2.42 mm) with a maximum seated height of 0.101" (2.57 mm). Both use the 1210 (3225 Metric) package designation and are surface mount components suitable for automated assembly.

Q: Do these parts have identical electrical performance?

A: Yes. Both parts deliver 1.2 µH inductance with ±5% tolerance, support 497 mA current rating, exhibit 750 mOhm maximum DC resistance, maintain Q factor of 30 at 7.9 MHz, and operate across -55°C to 125°C. Self resonant frequency is 100 MHz for both parts.

Q: What packaging formats are available?

A: Both the 1210-122J and 1210R-122J are supplied in Tape & Reel (TR) packaging suitable for automated pick-and-place assembly processes.

Q: Are there inventory considerations between these parts?

A: The 1210-122J has 1061 pieces in stock, while the 1210R-122J has 1616 pieces in stock. Availability may vary based on current demand and supply conditions.