LSQPB201214T2R2MD Equivalent & Substitute Parts

Part Overview

The LSQPB201214T2R2MD is a 2.2 µH unshielded wirewound inductor manufactured by Taiyo Yuden, designed for surface mount applications in the 0805 (2012 Metric) package. This component is rated for 1 A continuous current with a maximum DC resistance of 143 mOhm and operates across the temperature range of -40°C to 105°C. The part maintains Active product status and is ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1). Identifying equivalent and substitute parts is necessary when managing inventory constraints, ensuring supply chain continuity, or matching specific procurement requirements while maintaining identical electrical and mechanical performance characteristics.

Substiute Parts

LSQPB201214T2R2MD

Taiyo YudenIn Stock: 2884LSQPB201214T2R2MD Datasheet

Current PartRFQ

LSQPB201214T2R2MD

Taiyo YudenIn Stock: 2884LSQPB201214T2R2MD Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LSQPB201214T2R2MD is determined by strict equivalence across all critical electrical and mechanical parameters. The following parameters establish the substitution criteria:

Electrical Parameters:

• Inductance value of 2.2 µH with ±20% tolerance
• Current rating of 1 A minimum
• Saturation current (Isat) of 1.1 A or greater
• DC resistance not exceeding 143 mOhm
• Self-resonant frequency of 350 MHz or higher

Mechanical Parameters:

• 0805 (2012 Metric) package / case designation
• Surface mount mounting type
• Physical dimensions: 0.079" L x 0.049" W (2.00mm x 1.25mm)
• Maximum seated height of 0.055" (1.40mm)

Environmental & Compliance Parameters:

• Operating temperature range of -40°C to 105°C
• ROHS3 compliance
• Moisture sensitivity level MSL 1
• Unshielded ferrite core construction

A component qualifies as a direct substitute only when all parameters listed above are met or exceeded. No parameter degradation is acceptable for equivalent substitution.

Parameter Comparison

Engineering Selection Recommendations

The LSQPB201214T2R2MD maintains Active product status with full ROHS3 compliance and REACH unaffected designation, confirming its suitability for current and future applications. The component carries MSL 1 rating, indicating unlimited shelf life without moisture sensitivity constraints, which simplifies inventory management and storage protocols.

Selection of equivalent parts should prioritize components with identical Active product status to ensure long-term availability and consistent manufacturing quality. ROHS3 compliance is mandatory for applications subject to environmental regulations in the European Union and equivalent jurisdictions. The REACH unaffected status confirms the component contains no substances of very high concern, supporting regulatory compliance across global markets.

The 0805 (2012 Metric) surface mount package ensures compatibility with standard PCB assembly equipment and processes. The unshielded ferrite core construction is appropriate for applications where electromagnetic shielding is not required; however, component placement relative to high-frequency signal paths should follow standard PCB layout practices.

Frequently Asked Questions (FAQ)

Q: What defines an equivalent part for the LSQPB201214T2R2MD?

A: An equivalent part must match all electrical specifications (2.2 µH inductance, 1 A current rating, 143 mOhm maximum DCR, 1.1 A saturation current), mechanical specifications (0805 package, surface mount, specified dimensions), and environmental ratings (-40°C to 105°C operating range, ROHS3 compliance, MSL 1). No parameter degradation is acceptable.

Q: Can I substitute this inductor with a different package size?

A: No. The 0805 (2012 Metric) package is a critical mechanical parameter. Different package sizes alter PCB footprint, assembly compatibility, and thermal characteristics. Package substitution requires complete circuit redesign and PCB layout modification.

Q: Is the ±20% inductance tolerance acceptable for my application?

A: Inductance tolerance is a specified parameter of this component. Applications requiring tighter tolerance control must select inductors with ±10% or ±5% tolerance ratings. Tolerance specifications are not interchangeable.

Q: What is the significance of the 143 mOhm maximum DC resistance?

A: DC resistance directly impacts power dissipation and voltage drop across the inductor. The 143 mOhm specification establishes the maximum acceptable resistance. Substitute parts must not exceed this value. Higher DCR results in increased heat generation and reduced circuit efficiency.

Q: Does the unshielded design affect component placement on the PCB?

A: Unshielded inductors generate magnetic fields that can couple to nearby components and signal traces. Standard PCB layout practices recommend maintaining adequate spacing from sensitive analog circuits and high-frequency signal paths. Shielded inductors are required for applications with strict electromagnetic compatibility requirements.

Q: What does MSL 1 (Unlimited) mean for storage and handling?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. Standard warehouse conditions are acceptable. No baking or desiccant storage is necessary prior to assembly.

Q: Is ROHS3 compliance mandatory for my application?

A: ROHS3 compliance is mandatory for products sold in the European Union and many other jurisdictions. Verify regulatory requirements for your target markets. Non-compliant components may face legal restrictions or market access limitations.

Q: Can I use this inductor in applications exceeding 1 A continuous current?

A: No. The 1 A current rating is the maximum continuous current specification. Operation above this rating causes excessive heating, core saturation, and component failure. The 1.1 A saturation current represents the point at which inductance begins to degrade; it is not a usable operating point for continuous current.