MPC1260LR45 Equivalent & Substitute Parts

Part Overview

The MPC1260LR45 is a 450 nH shielded inductor manufactured by KEMET in a 2-SMD, J-Lead surface mount package. This component is classified as "Not For New Designs," indicating it has been superseded or discontinued for new applications. The part operates across a temperature range of -20°C to 120°C and maintains RoHS3 compliance with unlimited moisture sensitivity rating (MSL 1).

Identifying equivalent and substitute parts is necessary when the MPC1260LR45 is unavailable or when design requirements necessitate alternative sourcing. Substitute components must maintain electrical equivalence in inductance value, tolerance, and shielding characteristics while accommodating mechanical and thermal constraints of the application.

Substiute Parts

MPC1260LR45

KEMETIn Stock: 899MPC1260LR45 Datasheet

Current PartRFQ

PG0434.401NL

Pulse ElectronicsIn Stock: 1685PG0434.401NL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MPC1260LR45 are identified based on strict electrical and mechanical equivalence across the following criteria:

Electrical Equivalence Requirements:

• Inductance value: 450 nH (exact match)
• Inductance tolerance: ±20% (minimum acceptable)
• Shielding: Shielded construction (mandatory)
• Test frequency: 100 kHz (measurement reference)

Mechanical Compatibility Requirements:

• Mounting type: Surface mount (PCB assembly compatibility)
• Operating temperature: Must support -20°C to 120°C minimum

Compliance Requirements:

• RoHS3 compliance (regulatory requirement)
• Moisture sensitivity level: MSL 1 or better (handling compatibility)

The PG0434.401NL from Pulse Electronics meets all electrical and mechanical substitution criteria. This component maintains the 450 nH inductance specification with ±20% tolerance, provides shielded construction, and operates across an extended temperature range (-40°C to 130°C), which encompasses the MPC1260LR45 operating envelope. Both components are RoHS3 compliant with MSL 1 rating.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: PG0434.401NL (Pulse Electronics)

The PG0434.401NL is a direct electrical substitute for the MPC1260LR45. Both components maintain identical inductance (450 nH), tolerance (±20%), shielding configuration, and test frequency (100 kHz). The substitute component is RoHS3 compliant and carries MSL 1 rating, matching the regulatory and handling requirements of the original part.

The PG0434.401NL operates across an extended temperature range (-40°C to 130°C) that fully encompasses the MPC1260LR45 operating envelope (-20°C to 120°C). This extended range provides additional thermal margin for applications operating at temperature extremes.

The substitute component provides additional electrical specifications not available for the MPC1260LR45, including DC resistance (0.8 mOhm maximum), current rating (45 A), and saturation current (48 A). These parameters enable more precise circuit analysis and thermal management calculations.

Product Status Consideration:

The MPC1260LR45 is designated "Not For New Designs," indicating KEMET has discontinued this component for new applications. The PG0434.401NL carries "Active" product status, confirming ongoing availability and manufacturer support. For new designs or long-term production requirements, the PG0434.401NL is the appropriate selection.

Frequently Asked Questions (FAQ)

Q: Can the PG0434.401NL replace the MPC1260LR45 in existing designs?

A: Yes. Both components maintain identical inductance (450 nH), tolerance (±20%), shielding, and test frequency (100 kHz). The substitute operates across an extended temperature range that fully encompasses the original part's operating envelope. Both are RoHS3 compliant with MSL 1 rating.

Q: What are the mechanical differences between these components?

A: The MPC1260LR45 uses a 2-SMD, J-Lead package with unspecified dimensions. The PG0434.401NL uses a nonstandard surface mount package measuring 14.50 mm length × 13.00 mm width × 6.50 mm maximum height. PCB footprint compatibility must be verified before substitution.

Q: Are there current or power handling differences?

A: The MPC1260LR45 does not specify current rating or DC resistance. The PG0434.401NL is rated for 45 A continuous current with 0.8 mOhm maximum DC resistance and 48 A saturation current. Applications requiring current specifications must use the PG0434.401NL to ensure adequate current capacity.

Q: Do both components meet the same regulatory requirements?

A: Yes. Both the MPC1260LR45 and PG0434.401NL are RoHS3 compliant, REACH unaffected, and carry EAR99 ECCN classification. Both maintain MSL 1 (unlimited) moisture sensitivity rating.

Q: What is the significance of the extended temperature range on the substitute?

A: The PG0434.401NL operates from -40°C to 130°C, compared to the MPC1260LR45 range of -20°C to 120°C. This extended range provides additional thermal margin and enables use in applications with more extreme temperature requirements without component derating.

Q: How should PCB layout be modified when substituting these components?

A: The PG0434.401NL nonstandard package dimensions (14.50 mm × 13.00 mm × 6.50 mm height) differ from the MPC1260LR45 2-SMD, J-Lead package. PCB footprint, trace routing, and component placement must be verified for compatibility. Mechanical clearance around the substitute component must be confirmed before assembly.