PCMF2DFN1XL Equivalent & Substitute Parts

Part Overview

The PCMF2DFN1XL is a 4-line common mode choke surface mount component with integrated ESD protection manufactured by Nexperia USA Inc. This part features a typical DC resistance of 5Ohm and operates across the temperature range of -40°C to 85°C. The component is classified as obsolete, making identification of suitable substitute parts essential for ongoing design support and procurement continuity.

Substiute Parts

PCMF2DFN1XL

Nexperia USA Inc.In Stock: 337260PCMF2DFN1XL Datasheet

Current PartRFQ

PCMF2USB3SZ

Nexperia USA Inc.In Stock: 500185PCMF2USB3SZ Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PCMF2DFN1XL is determined by the following critical parameters:

• Functional equivalence: 4-line common mode choke with integrated TVS diode ESD protection
• Filter classification: Signal line filtering application
• Operating temperature range: -40°C to 85°C compatibility
• Electrical performance: DC resistance characteristics within acceptable tolerance
• Mounting and packaging: Surface mount technology with compatible footprint dimensions
• Regulatory compliance: ROHS3 compliance and MSL rating

The PCMF2USB3SZ qualifies as a substitute based on matching functional requirements, operating temperature range, ESD protection features, and regulatory compliance status. However, differences in DC resistance (3Ohm vs. 5Ohm), package type (10-UFBGA, WLCSP vs. 9-XFDFN), and physical dimensions must be evaluated against specific circuit requirements.

Parameter Comparison

Engineering Selection Recommendations

The PCMF2USB3SZ is available as an active product from Nexperia USA Inc., providing procurement continuity for the obsolete PCMF2DFN1XL. Both components maintain ROHS3 compliance and MSL 1 rating, ensuring regulatory alignment and handling compatibility.

Selection between these parts requires evaluation of the following factors:

• DC Resistance differential: The PCMF2USB3SZ exhibits lower DC resistance (3Ohm vs. 5Ohm), which may reduce insertion loss in signal line applications but requires circuit validation.
• Package compatibility: The PCMF2DFN1XL uses 9-XFDFN packaging while the PCMF2USB3SZ uses 10-UFBGA/WLCSP packaging. PCB layout and footprint redesign may be necessary.
• Physical dimensions: The PCMF2USB3SZ is significantly smaller (1.57mm x 1.17mm vs. 2.50mm x 2.00mm), which may impact board space allocation and thermal management considerations.
• Product status: The PCMF2USB3SZ active status ensures long-term availability and supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can PCMF2USB3SZ directly replace PCMF2DFN1XL without PCB modifications?

A: No. The PCMF2USB3SZ uses a different package type (10-UFBGA/WLCSP vs. 9-XFDFN) and has different physical dimensions. PCB footprint redesign is required.

Q: What is the significance of the DC resistance difference between these parts?

A: The PCMF2USB3SZ has a typical DC resistance of 3Ohm compared to 5Ohm for the PCMF2DFN1XL. This lower resistance may affect signal attenuation and insertion loss characteristics. Circuit performance validation is necessary to confirm suitability for your application.

Q: Are both parts compliant with the same regulatory standards?

A: Yes. Both PCMF2DFN1XL and PCMF2USB3SZ are ROHS3 compliant with MSL 1 rating, ensuring equivalent regulatory and handling requirements.

Q: Why is the PCMF2DFN1XL classified as obsolete?

A: Product obsolescence is determined by the manufacturer. The PCMF2USB3SZ, as an active product, represents the current manufacturing offering for this component family.

Q: Are there any thermal or mechanical differences that affect board assembly?

A: The PCMF2USB3SZ is physically smaller and has a slightly greater maximum height (0.024" vs. 0.020"). These dimensional differences may impact thermal dissipation and component placement density on the PCB.