P0473 Common Mode Choke Equivalent & Substitute Parts

Part Overview

The P0473 is a 2-line common mode choke (CMC) designed for power line filtering applications in surface mount configurations. This component provides electromagnetic interference (EMI) suppression with a maximum current rating of 1.63A and DC resistance of 110mOhm. The P0473 is classified as obsolete, making identification of active equivalent parts essential for new designs and ongoing production requirements.

Substiute Parts

P0473

Pulse ElectronicsIn Stock: 2049P0473 Datasheet

Current PartRFQ

P0473NL

Pulse ElectronicsIn Stock: 1408P0473NL Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the P0473 is determined by strict equivalence across the following critical parameters:

• Electrical Performance: Current rating (1.63A maximum), DC resistance (110mOhm maximum), and filter type (power line)
• Physical Compatibility: Mounting type (surface mount), package configuration (horizontal, 4 PC pad), and dimensional envelope (0.500" L x 0.500" W, 0.220" maximum height)
• Environmental Specifications: Operating temperature range (-40°C to 120°C) and moisture sensitivity level (MSL 1)
• Functional Equivalence: 2-line common mode choke configuration for EMI suppression

The P0473NL meets all these criteria and serves as the direct active equivalent for the obsolete P0473.

Parameter Comparison

Engineering Selection Recommendations

The P0473NL is the direct equivalent for the obsolete P0473 common mode choke. Both components share identical electrical specifications (1.63A current rating, 110mOhm DCR), physical dimensions, and environmental operating parameters. The primary distinction is product status: P0473 is obsolete while P0473NL is active and currently in production.

For new designs and production applications, P0473NL is the appropriate selection. The P0473NL offers improved regulatory compliance with ROHS3 certification, whereas the original P0473 is RoHS non-compliant. Both components maintain REACH unaffected status and MSL 1 moisture sensitivity rating.

Packaging differs between the two parts: P0473 is supplied in bulk format while P0473NL is supplied in tube packaging. This distinction affects handling and storage procedures but does not impact electrical or mechanical compatibility.

Frequently Asked Questions (FAQ)

Q: Can P0473NL be used as a direct replacement for P0473?

A: Yes. The P0473NL is electrically and mechanically equivalent to the P0473. Both components have identical current ratings (1.63A), DC resistance (110mOhm), physical dimensions (0.500" x 0.500" x 0.220" max height), and operating temperature range (-40°C to 120°C). The P0473NL is the active production equivalent for the obsolete P0473.

Q: What are the key parameters that determine substitution eligibility?

A: Substitution is based on: current rating (1.63A maximum), DC resistance (110mOhm maximum), number of lines (2), filter type (power line), mounting type (surface mount), package configuration (horizontal, 4 PC pad), physical dimensions, and operating temperature range (-40°C to 120°C).

Q: Does the packaging difference between P0473 and P0473NL affect compatibility?

A: No. P0473 is supplied in bulk packaging while P0473NL is supplied in tube packaging. This affects material handling, storage, and logistics but does not impact electrical performance or mechanical fit on the PCB.

Q: What is the significance of the RoHS compliance difference?

A: The P0473 is RoHS non-compliant while P0473NL is ROHS3 compliant. For applications subject to RoHS regulations or customer requirements, P0473NL is the appropriate selection. Both components maintain identical electrical and mechanical specifications.

Q: Are there any environmental or regulatory differences between these parts?

A: Both P0473 and P0473NL maintain REACH unaffected status and MSL 1 (unlimited) moisture sensitivity rating. The primary regulatory difference is RoHS compliance: P0473NL meets ROHS3 standards while P0473 does not.