WR04X4320FTL Equivalent & Substitute Parts

Part Overview

The WR04X4320FTL is a 432 Ohm ±1% thick film chip resistor manufactured by Walsin Technology Corporation in the 0402 (1005 Metric) package format. This component is rated for 0.063W (1/16W) power dissipation and operates across the temperature range of -55°C to 155°C. The part maintains Active product status and is RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling direct replacement in circuit applications without design modification.

Substiute Parts

WR04X4320FTL

Walsin Technology CorporationIn Stock: 725WR04X4320FTL Datasheet

Current PartRFQ

CR0402-16W-4320FT

VenkelIn Stock: 295541CR0402-16W-4320FT Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the WR04X4320FTL is determined by strict equivalence across the following critical parameters:

• Resistance Value: 432 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Power Rating: 0.063W / 1/16W (exact match required)
• Package Format: 0402 (1005 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Temperature Coefficient: ±100ppm/°C (exact match required)
• Operating Temperature Range: -55°C ~ 155°C (exact match required)
• Compliance: RoHS3 Compliant, MSL 1 (Unlimited)

The substitute part CR0402-16W-4320FT manufactured by Venkel satisfies all electrical and mechanical equivalence criteria, enabling direct functional replacement in applications requiring the WR04X4320FTL specification.

Parameter Comparison

Engineering Selection Recommendations

Both the WR04X4320FTL and CR0402-16W-4320FT maintain Active product status, ensuring continued availability and manufacturing support. Both components are RoHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity ratings, indicating compatibility with standard PCB assembly processes without special handling requirements.

The CR0402-16W-4320FT substitute part is functionally equivalent across all specified electrical parameters and mechanical dimensions. Selection between these parts may be based on supplier availability, packaging format preference (Tape & Reel for CR0402-16W-4320FT), or inventory requirements, as both satisfy identical circuit performance specifications.

Frequently Asked Questions (FAQ)

Q: Can CR0402-16W-4320FT replace WR04X4320FTL in existing designs?

A: Yes. The CR0402-16W-4320FT is electrically and mechanically equivalent to the WR04X4320FTL across all specified parameters including resistance value, tolerance, power rating, package format, and operating temperature range. Direct substitution is supported without circuit redesign.

Q: Are there dimensional differences between these parts?

A: Both parts conform to the 0402 (1005 Metric) package standard with identical height specifications (0.016" maximum seated height). Length dimensions are 0.039" for WR04X4320FTL and 0.040" for CR0402-16W-4320FT, representing negligible variation within standard package tolerances and do not affect PCB layout compatibility.

Q: What packaging formats are available for these substitute parts?

A: The WR04X4320FTL is supplied in standard packaging format. The CR0402-16W-4320FT is available in Tape & Reel (TR) format, which is standard for high-volume production assembly processes.

Q: Do both parts meet the same compliance requirements?

A: Yes. Both the WR04X4320FTL and CR0402-16W-4320FT are RoHS3 compliant and carry identical MSL 1 (Unlimited) moisture sensitivity ratings. Both are suitable for applications requiring regulatory compliance with environmental and hazardous substance restrictions.

Q: Are there any temperature performance differences?

A: No. Both parts operate across the identical temperature range of -55°C to 155°C with matching temperature coefficients of ±100ppm/°C, ensuring equivalent thermal performance characteristics in circuit applications.