ESR03EZPJ2R4 Equivalent & Substitute Parts

Part Overview

The ESR03EZPJ2R4 is a 2.4 Ohm ±5% 0.25W 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 active in production with 1047 units in stock. Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing, inventory optimization, or component availability management while maintaining electrical and mechanical compatibility.

Substiute Parts

ESR03EZPJ2R4
Rohm SemiconductorIn Stock: 1115ESR03EZPJ2R4 Datasheet
ESR03EZPJ2R4
Current Part
ERJ-PA3J2R4V
Panasonic Electronic ComponentsIn Stock: 1565ERJ-PA3J2R4V Datasheet
ERJ-PA3J2R4V
Direct
ERJ-3BQJ2R4V
Panasonic Electronic ComponentsIn Stock: 8725ERJ-3BQJ2R4V Datasheet
ERJ-3BQJ2R4V
Similar

Key Parameters

Parameter Value
Resistance 2.4 Ohms
Tolerance ±5%
Power Rating 0.25W (1/4W)
Package 0603 (1608 Metric)
Composition Thick Film
Temperature Coefficient ±200ppm/°C
Operating Temperature Range -55°C to 155°C
Automotive Rating AEC-Q200
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the ESR03EZPJ2R4 are classified based on electrical and mechanical parameter alignment:

Direct Substitute (ERJ-PA3J2R4V): Matches all critical electrical parameters including 2.4 Ohm resistance, ±5% tolerance, ±200ppm/°C temperature coefficient, and -55°C to 155°C operating range. Maintains 0603 package, AEC-Q200 automotive rating, and ROHS3 compliance. Power rating increases to 0.333W (1/3W), which is compatible for applications designed for 0.25W operation. Manufactured by Panasonic Electronic Components.

Similar Substitute (ERJ-3BQJ2R4V): Matches all critical electrical parameters including 2.4 Ohm resistance, ±5% tolerance, ±200ppm/°C temperature coefficient, and -55°C to 155°C operating range. Maintains identical 0603 package, 0.25W power rating, AEC-Q200 automotive rating, and ROHS3 compliance. Feature differentiation includes current sense capability versus pulse withstanding. Manufactured by Panasonic Electronic Components.

Parameter Comparison

Parameter ESR03EZPJ2R4 (Rohm) ERJ-PA3J2R4V (Panasonic) ERJ-3BQJ2R4V (Panasonic)
Resistance 2.4 Ohms 2.4 Ohms 2.4 Ohms
Tolerance ±5% ±5% ±5%
Power Rating 0.25W (1/4W) 0.333W (1/3W) 0.25W (1/4W)
Package 0603 (1608 Metric) 0603 (1608 Metric) 0603 (1608 Metric)
Composition Thick Film Thick Film Thick Film
Temperature Coefficient ±200ppm/°C ±200ppm/°C ±200ppm/°C
Operating Temperature -55°C to 155°C -55°C to 155°C -55°C to 155°C
Automotive Rating AEC-Q200 AEC-Q200 AEC-Q200
RoHS Status ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited) 1 (Unlimited) 1 (Unlimited)

Engineering Selection Recommendations

Both substitute parts maintain active product status and full compliance with automotive AEC-Q200 qualification and ROHS3 environmental standards. Selection between ESR03EZPJ2R4 and ERJ-PA3J2R4V depends on power dissipation requirements; the Panasonic ERJ-PA3J2R4V offers increased power handling at 0.333W for applications with higher thermal margins. Selection between ESR03EZPJ2R4 and ERJ-3BQJ2R4V is determined by application-specific feature requirements; the Panasonic ERJ-3BQJ2R4V provides current sense capability where pulse withstanding is not required. All three parts share identical electrical characteristics, package dimensions, and environmental ratings, ensuring PCB layout and thermal management compatibility.

Frequently Asked Questions (FAQ)

Q: Can ERJ-PA3J2R4V replace ESR03EZPJ2R4 in existing designs? A: Yes. Both parts share identical resistance (2.4 Ohms), tolerance (±5%), temperature coefficient (±200ppm/°C), operating range (-55°C to 155°C), package (0603), and automotive rating (AEC-Q200). The higher power rating of ERJ-PA3J2R4V (0.333W versus 0.25W) is compatible with designs specified for 0.25W operation.

Q: Can ERJ-3BQJ2R4V replace ESR03EZPJ2R4 in existing designs? A: Yes. Both parts are electrically and mechanically identical with matching resistance, tolerance, temperature coefficient, operating range, power rating (0.25W), package (0603), and automotive rating (AEC-Q200). Feature differentiation (current sense versus pulse withstanding) does not affect substitution compatibility.

Q: Are all three parts suitable for automotive applications? A: Yes. All three parts carry AEC-Q200 automotive qualification and ROHS3 compliance, meeting automotive industry standards for reliability and environmental requirements.

Q: Do package dimensions differ between these parts? A: No. All three parts use identical 0603 (1608 Metric) package with matching footprint dimensions (0.063" L x 0.031" W / 1.60mm x 0.80mm) and maximum seated height (0.022" / 0.55mm), ensuring direct PCB compatibility.

Q: What is the difference between pulse withstanding and current sense features? A: Pulse withstanding capability (ESR03EZPJ2R4) is designed for transient overvoltage events. Current sense capability (ERJ-3BQJ2R4V) is optimized for precision current measurement applications. Feature selection depends on circuit application requirements.

Request Quote (Ships tomorrow)