ESR03EZPJ125 Equivalent & Substitute Parts

Part Overview

The ESR03EZPJ125 is a 1.2 MOhms ±5% thick film chip resistor in 0603 (1608 Metric) package manufactured by Rohm Semiconductor. This component is rated for automotive applications under AEC-Q200 standard with pulse withstanding capability. The part is currently in active production status with 3111 units available in stock. Equivalent parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility permits selection from qualified alternatives meeting identical electrical and mechanical specifications.

Substiute Parts

ESR03EZPJ125

Rohm SemiconductorIn Stock: 3129ESR03EZPJ125 Datasheet

Current PartRFQ

ERJ-PA3J125V

Panasonic Electronic ComponentsIn Stock: 2398ERJ-PA3J125V Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ESR03EZPJ125 is determined by strict equivalence across the following critical parameters:

• Resistance value: 1.2 MOhms
• Tolerance: ±5%
• Package / Case: 0603 (1608 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±200ppm/°C
• Operating Temperature Range: -55°C ~ 155°C
• Automotive Rating: AEC-Q200
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

The ERJ-PA3J125V from Panasonic Electronic Components meets all these criteria. While the power rating differs (0.333W vs. 0.25W), this represents a higher capability that maintains full compatibility in applications designed for the ESR03EZPJ125. Both components share identical electrical characteristics, thermal performance, and regulatory compliance.

Parameter Comparison

Engineering Selection Recommendations

Both the ESR03EZPJ125 and ERJ-PA3J125V are active production components with full AEC-Q200 automotive qualification and ROHS3 compliance. Selection between these parts is based on supply availability and design requirements. The ERJ-PA3J125V provides higher power dissipation capability (0.333W vs. 0.25W) while maintaining identical electrical performance and thermal characteristics. Both components are suitable for direct substitution in automotive applications requiring 1.2 MOhms ±5% thick film resistors in 0603 package format. Moisture sensitivity level 1 (Unlimited) indicates no special handling or storage requirements for either component.

Frequently Asked Questions (FAQ)

Q: Can ERJ-PA3J125V replace ESR03EZPJ125 in existing designs?

A: Yes. Both components share identical resistance value (1.2 MOhms), tolerance (±5%), package (0603), temperature coefficient (±200ppm/°C), operating temperature range (-55°C ~ 155°C), and AEC-Q200 automotive rating. The higher power rating of the Panasonic part (0.333W vs. 0.25W) provides additional margin without affecting electrical performance.

Q: Are there package compatibility concerns?

A: No. Both components use identical 0603 (1608 Metric) package dimensions: 0.063" L x 0.031" W (1.60mm x 0.80mm) with maximum seated height of 0.022" (0.55mm). PCB footprints and assembly processes are fully compatible.

Q: What are the regulatory compliance differences?

A: Both parts are ROHS3 compliant and REACH unaffected. Both carry AEC-Q200 automotive qualification. Moisture sensitivity level is identical at 1 (Unlimited), requiring no special storage or handling procedures.

Q: How do temperature coefficients compare?

A: Both components have identical temperature coefficient of ±200ppm/°C and operate across the same temperature range of -55°C ~ 155°C, ensuring equivalent thermal stability in automotive environments.

Q: Are there any electrical performance differences?

A: No. Resistance value, tolerance, and temperature coefficient are identical. The only difference is power rating, where the ERJ-PA3J125V provides higher dissipation capability, making it suitable for applications with equal or greater power requirements.