Pulse Electronics P0351 Common Mode Choke 2.8A Surface Mount

Part Overview

The Pulse Electronics P0351 is a 2-line common mode choke (CMC) designed for power line filtering applications. This surface mount component is rated for 2.8A maximum current with 80mOhm DC resistance. The part is currently in active production status with full RoHS3 compliance and REACH unaffected designation. Alternative packaging configurations exist to accommodate different procurement and assembly requirements.

Substiute Parts

P0351

Pulse ElectronicsIn Stock: 1208P0351 Datasheet

Current PartRFQ

P0351NL

Pulse ElectronicsIn Stock: 6803P0351NL Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The P0351NL is a direct substitute for the P0351 based on electrical and mechanical parameter equivalence. Both parts share identical specifications across all critical substitution criteria:

• Manufacturer: Pulse Electronics (same source)
• Filter Type: Power Line (identical application)
• Number of Lines: 2 (same configuration)
• Current Rating: 2.8A (identical electrical rating)
• DC Resistance: 80mOhm (identical impedance characteristic)
• Operating Temperature: -40°C to 120°C (identical thermal range)
• Mounting Type: Surface Mount (identical assembly method)
• Package / Case: Horizontal, 4 PC Pad (identical footprint)
• Physical Dimensions: 0.770" L x 0.670" W x 0.390" H (identical size)
• Compliance: ROHS3 Compliant, REACH Unaffected (identical certifications)

The only difference between these parts is the packaging format: P0351 uses standard packaging while P0351NL is supplied in tube packaging. This distinction affects procurement and handling but does not alter electrical or mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

Both P0351 and P0351NL are active production components from Pulse Electronics with full RoHS3 compliance and REACH unaffected status. Selection between these parts should be based on procurement and assembly requirements:

P0351 is suitable for standard packaging workflows and general inventory management.

P0351NL is suitable for applications requiring tube packaging, which provides enhanced protection during transport and automated assembly line handling.

Both parts maintain identical electrical performance, thermal characteristics, and mechanical compatibility with PCB layouts designed for the Horizontal, 4 PC Pad configuration. The choice between these variants does not affect circuit performance or reliability.

Frequently Asked Questions (FAQ)

Q: Can P0351NL be used as a direct replacement for P0351 in production?

A: Yes. Both parts are electrically and mechanically identical. The only difference is packaging format (standard versus tube). PCB footprints, solder pad configurations, and assembly processes remain unchanged.

Q: Does packaging format affect electrical performance?

A: No. Tube packaging is a handling and logistics consideration only. It does not alter the electrical characteristics, impedance, current rating, or thermal performance of the component.

Q: Are both parts suitable for the same operating temperature range?

A: Yes. Both P0351 and P0351NL operate across -40°C to 120°C. Thermal performance is identical.

Q: What is the significance of the 2.8A current rating?

A: This is the maximum continuous current the component can safely conduct without exceeding thermal or electrical limits. Both substitute parts maintain this identical rating.

Q: Do both parts meet the same compliance standards?

A: Yes. Both P0351 and P0351NL are ROHS3 compliant and REACH unaffected. Regulatory and environmental compliance is identical.

Q: Which packaging option should be selected for high-volume assembly?

A: Tube packaging (P0351NL) is typically preferred for automated assembly lines due to improved component protection and compatibility with pick-and-place equipment. Standard packaging (P0351) is suitable for manual assembly or lower-volume applications.

Q: Is the 80mOhm DC resistance specification identical for both parts?

A: Yes. DC resistance is specified at 80mOhm maximum for both P0351 and P0351NL. This parameter determines filtering performance and is identical across both variants.