RLP73N1ER47FTDF Equivalent & Substitute Parts

Part Overview

The RLP73N1ER47FTDF is a 470 mOhms ±1% thick film chip resistor manufactured by TE Connectivity Passive Product, rated for 0.125W (1/8W) power dissipation in a 0402 (1005 Metric) surface mount package. This component is designed for current sensing applications and operates across the temperature range of -55°C to 155°C. The part is currently active in production and available in tape and reel packaging format.

Substitute components become necessary when the primary part experiences extended lead times, inventory constraints, or when design requirements mandate specific certifications such as automotive qualification or enhanced environmental performance characteristics.

Substiute Parts

RLP73N1ER47FTDF

TE Connectivity Passive ProductIn Stock: 1306RLP73N1ER47FTDF Datasheet

Current PartRFQ

RCWE0402R470FKEA

Vishay DaleIn Stock: 53153RCWE0402R470FKEA Datasheet

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UCR01MVPFLR470

Rohm SemiconductorIn Stock: 11322UCR01MVPFLR470 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RLP73N1ER47FTDF is determined by strict equivalence across the following electrical and mechanical parameters:

Electrical Parameters:

• Resistance value: 470 mOhms
• Tolerance: ±1%
• Power rating: 0.125W (1/8W)
• Operating temperature range: -55°C to 155°C
• Composition: Thick Film

Mechanical Parameters:

• Package: 0402 (1005 Metric)
• Number of terminations: 2
• Mounting style: Surface mount, tape and reel packaging

Compliance Parameters:

• RoHS3 compliance
• Moisture Sensitivity Level 1

Both substitute parts listed meet all core electrical and mechanical requirements. The substitute parts additionally provide automotive AEC-Q200 qualification, which represents an enhancement to the base specification rather than a deviation from it.

Parameter Comparison

Engineering Selection Recommendations

RLP73N1ER47FTDF (TE Connectivity Passive Product)

This is the primary specification. Selection is appropriate for general-purpose current sensing applications where automotive qualification is not required. The component maintains active production status with established supply chain availability.

RCWE0402R470FKEA (Vishay Dale)

This substitute provides automotive AEC-Q200 qualification and moisture-resistant thick film construction. The temperature coefficient of ±100ppm/°C represents improved thermal stability compared to the primary part. This option is suitable for applications requiring automotive-grade reliability or enhanced environmental performance. RoHS3 compliance and MSL 1 rating are maintained.

UCR01MVPFLR470 (Rohm Semiconductor)

This substitute provides automotive AEC-Q200 qualification with a temperature coefficient range of 0/+200ppm/°C. Physical dimensions match the primary part precisely (0.039" L x 0.022" W). This option is suitable for automotive applications and maintains full compliance with RoHS3 and MSL 1 requirements.

All three parts are active products with confirmed inventory availability. Selection between the primary part and substitutes depends on application requirements regarding automotive qualification and thermal performance specifications.

Frequently Asked Questions (FAQ)

Q: Can RCWE0402R470FKEA or UCR01MVPFLR470 be used as direct replacements for RLP73N1ER47FTDF?

A: Yes. Both substitute parts meet all core electrical specifications (470 mOhms ±1%, 0.125W, 0402 package, -55°C to 155°C operating range) and compliance requirements (RoHS3, MSL 1). The substitutes provide additional automotive AEC-Q200 qualification, which does not conflict with the primary specification.

Q: What is the significance of the temperature coefficient differences?

A: Temperature coefficient values indicate resistance change per degree Celsius. The primary part specifies ±300ppm/°C, while RCWE0402R470FKEA specifies ±100ppm/°C and UCR01MVPFLR470 specifies 0/+200ppm/°C. Lower temperature coefficients indicate greater thermal stability. Applications requiring tighter resistance tolerance across temperature extremes benefit from the improved performance of the substitute parts.

Q: Are there physical dimension differences between these parts?

A: Minor dimensional variations exist. The primary part and UCR01MVPFLR470 share identical length (0.039"), while RCWE0402R470FKEA is slightly longer (0.041"). All three parts fit the 0402 (1005 Metric) package classification. Width and height variations are within standard 0402 package tolerances and do not affect PCB layout compatibility.

Q: What does AEC-Q200 qualification mean?

A: AEC-Q200 is an automotive industry standard qualification for passive components. Both substitute parts carry this certification, indicating they meet automotive reliability and performance requirements. This certification is not present in the primary part specification but does not create incompatibility.

Q: Are all three parts RoHS3 compliant?

A: Yes. The primary part RLP73N1ER47FTDF and both substitute parts RCWE0402R470FKEA and UCR01MVPFLR470 are ROHS3 compliant with Moisture Sensitivity Level 1 (unlimited moisture exposure tolerance).

Q: Which substitute should be selected for automotive applications?

A: Both RCWE0402R470FKEA and UCR01MVPFLR470 carry AEC-Q200 automotive qualification. Selection between these two depends on specific thermal performance requirements. RCWE0402R470FKEA offers superior temperature coefficient performance (±100ppm/°C) and moisture-resistant construction. UCR01MVPFLR470 provides identical physical dimensions to the primary part.