1210-151K Fixed Inductor Equivalent & Substitute Parts

Part Overview

The 1210-151K is a fixed unshielded surface mount inductor manufactured by API Delevan Inc. with an inductance value of 150 nH, rated for 910 mA continuous current, and a maximum DC resistance of 250 mOhm. This component is designed for high-frequency applications requiring compact form factors and is currently in active production status.

Substitute parts are identified when electrical specifications, mechanical dimensions, and package compatibility remain within the allowable parameters for this product category. The primary reason to identify equivalent components is to ensure design continuity, manage supply chain alternatives, and maintain performance consistency across production batches or procurement cycles.

Substiute Parts

1210-151K

API Delevan Inc.In Stock: 9131210-151K Datasheet

Current PartRFQ

1210R-151K

API Delevan Inc.In Stock: 26681210R-151K Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 1210-151K is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

• Inductance value: 150 nH ±10%
• Current rating: minimum 910 mA
• DC resistance: maximum 250 mOhm
• Q factor @ 25 MHz: 30 or greater
• Self resonant frequency: 450 MHz or higher
• Core material: Iron
• Shielding configuration: Unshielded

Mechanical Equivalence Criteria:

• Package / Case: 1210 (3225 Metric)
• Mounting type: Surface Mount
• Physical dimensions: 0.128" L × 0.095" W (3.25mm × 2.42mm)
• Maximum seated height: 0.101" (2.57mm)
• Packaging format: Tape & Reel (TR)

Environmental & Compliance Criteria:

• Operating temperature range: -55°C to 125°C minimum
• Moisture sensitivity level: 1 (Unlimited)
• REACH status: REACH Unaffected
• ECCN classification: EAR99

Substitute parts must satisfy all electrical, mechanical, and environmental parameters without deviation. Parts meeting these criteria are classified as direct functional equivalents suitable for interchangeable use in circuit designs.

Parameter Comparison

Engineering Selection Recommendations

The 1210R-151K is a direct electrical and mechanical equivalent to the 1210-151K. Both components are manufactured by API Delevan Inc. and share identical inductance, current rating, DC resistance, frequency characteristics, package dimensions, and operating temperature specifications.

The primary distinction between these parts is RoHS compliance status. The 1210-151K is RoHS non-compliant, while the 1210R-151K is ROHS3 compliant. This difference is significant for applications subject to RoHS regulations or customer requirements mandating lead-free construction.

Selection Criteria:

For applications with RoHS compliance requirements, the 1210R-151K is the appropriate selection. Both parts maintain identical electrical performance and mechanical compatibility, ensuring seamless integration into existing circuit designs without performance degradation.

For applications without RoHS compliance mandates, either part satisfies the electrical and mechanical specifications. Component selection may be based on inventory availability, procurement lead times, or cost considerations.

Both components are in active production status with established supply chains. The 1210R-151K currently maintains higher inventory levels (2636 pcs) compared to the 1210-151K (841 pcs), which may influence procurement decisions for high-volume applications.

Frequently Asked Questions (FAQ)

Q: Can the 1210R-151K be used as a direct replacement for the 1210-151K in existing designs?

A: Yes. The 1210R-151K is electrically and mechanically equivalent to the 1210-151K. All critical parameters including inductance, current rating, DC resistance, frequency response, package dimensions, and operating temperature range are identical. Direct substitution is permissible without circuit redesign or performance impact.

Q: What is the difference between the 1210-151K and 1210R-151K?

A: The primary difference is RoHS compliance status. The 1210-151K is RoHS non-compliant, while the 1210R-151K is ROHS3 compliant. All electrical specifications and mechanical dimensions are identical between the two parts.

Q: Which part should be selected for new designs?

A: For new designs subject to RoHS regulations or customer RoHS requirements, the 1210R-151K is the appropriate selection. For applications without RoHS mandates, either part is suitable. Selection may also consider current inventory levels and procurement availability.

Q: Are the physical dimensions identical between these parts?

A: Yes. Both the 1210-151K and 1210R-151K share identical package dimensions of 0.128" L × 0.095" W (3.25mm × 2.42mm) with a maximum seated height of 0.101" (2.57mm). Both use the 1210 (3225 Metric) package standard and are surface mount components supplied in Tape & Reel format.

Q: Do these inductors have identical frequency characteristics?

A: Yes. Both parts exhibit identical Q factor of 30 at 25 MHz and self resonant frequency of 450 MHz. The inductance test frequency is 25 MHz for both components.

Q: What is the current handling capability of these inductors?

A: Both the 1210-151K and 1210R-151K are rated for 910 mA continuous current with a maximum DC resistance of 250 mOhm.

Q: Are these parts suitable for high-frequency applications?

A: Yes. With a self resonant frequency of 450 MHz and Q factor of 30 at 25 MHz, both inductors are suitable for high-frequency circuit applications within the specified frequency range.

Q: What is the operating temperature range for these inductors?

A: Both parts operate across a temperature range of -55°C to 125°C, suitable for industrial and commercial applications.