ESR18EZPJ184 Equivalent & Substitute Parts

Part Overview

The ESR18EZPJ184 is a 180 kOhms ±5% thick film chip resistor in 1206 (3216 Metric) package manufactured by Rohm Semiconductor. This automotive-grade component features AEC-Q200 qualification and pulse withstanding capability, rated for 0.5W power dissipation across an operating temperature range of -55°C to 155°C. The part is currently active in production with substantial inventory availability. Equivalent and substitute parts are identified to support design flexibility, supply chain continuity, and application-specific performance requirements where higher power ratings or alternative sourcing may be beneficial.

Substiute Parts

ESR18EZPJ184

Rohm SemiconductorIn Stock: 2027ESR18EZPJ184 Datasheet

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ERJ-P08J184V

Panasonic Electronic ComponentsIn Stock: 10848ERJ-P08J184V Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the ESR18EZPJ184 with the ERJ-P08J184V is permissible based on the following alignment of critical electrical and mechanical parameters:

Matching Parameters:

• Resistance value: 180 kOhms (identical)
• Tolerance: ±5% (identical)
• Package: 1206 (3216 Metric) (identical)
• Composition: Thick Film (identical)
• Temperature Coefficient: ±200ppm/°C (identical)
• Operating Temperature Range: -55°C to 155°C (identical)
• Automotive Qualification: AEC-Q200 (identical)
• RoHS Compliance: ROHS3 Compliant (identical)
• Moisture Sensitivity: MSL 1 (identical)

Differentiating Parameter:

• Power Rating: ERJ-P08J184V is rated at 0.667W (2/3W), which exceeds the ESR18EZPJ184 specification of 0.5W (1/2W). This represents an upgrade in thermal capability within the same package footprint.

The substitute part maintains full electrical and mechanical compatibility while providing enhanced power dissipation capacity, making it suitable for applications requiring higher thermal margin or increased power handling within the same form factor.

Parameter Comparison

Engineering Selection Recommendations

Both the ESR18EZPJ184 and ERJ-P08J184V are active production components with full AEC-Q200 automotive qualification and ROHS3 compliance. Selection between these parts should be based on application power dissipation requirements and thermal design margins.

The ESR18EZPJ184 is appropriate for applications where the 0.5W power rating meets thermal requirements and cost optimization is a priority. The ERJ-P08J184V provides a higher power rating of 0.667W within the same 1206 package footprint, offering increased thermal headroom for designs operating at elevated power levels or requiring additional safety margin. The marginal height difference (0.026" versus 0.028") is negligible for standard PCB assembly processes and does not impact board-level compatibility.

Both parts maintain identical electrical characteristics, temperature stability, and environmental compliance ratings, ensuring functional interchangeability in automotive and industrial applications.

Frequently Asked Questions (FAQ)

Q: Can ERJ-P08J184V be used as a direct replacement for ESR18EZPJ184?

A: Yes. Both parts share identical resistance value (180 kOhms), tolerance (±5%), package (1206), composition (thick film), temperature coefficient (±200ppm/°C), operating temperature range (-55°C to 155°C), and automotive qualification (AEC-Q200). The ERJ-P08J184V provides a higher power rating (0.667W versus 0.5W), making it a compatible upgrade.

Q: What is the significance of the power rating difference?

A: The power rating indicates maximum continuous power dissipation capability. The ERJ-P08J184V's 0.667W rating provides 33% greater thermal capacity than the ESR18EZPJ184's 0.5W rating. In applications where calculated power dissipation approaches or exceeds 0.5W, the substitute part offers improved thermal margin and reliability.

Q: Are there PCB layout considerations when substituting these parts?

A: No significant layout changes are required. Both parts use identical 1206 package footprints. The height difference (0.65mm versus 0.70mm) is within standard PCB assembly tolerances and does not affect component placement, routing, or clearance requirements.

Q: Do both parts meet automotive compliance requirements?

A: Yes. Both the ESR18EZPJ184 and ERJ-P08J184V carry AEC-Q200 qualification, ROHS3 compliance, and MSL 1 moisture sensitivity rating, meeting automotive industry standards for reliability and environmental compliance.

Q: Which part should be selected for new designs?

A: Selection depends on application power dissipation. If calculated power dissipation remains below 0.5W, either part is suitable. For applications approaching or exceeding 0.5W dissipation, the ERJ-P08J184V is the appropriate choice to ensure adequate thermal performance and design margin.