ESR03EZPJ334 Equivalent & Substitute Parts

Part Overview

The ESR03EZPJ334 is a 330 kOhms ±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 in active production status with 1046 units in stock. Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility permits higher power ratings within the same package footprint and electrical specifications.

Substiute Parts

ESR03EZPJ334

Rohm SemiconductorIn Stock: 1109ESR03EZPJ334 Datasheet

Current PartRFQ

CRCW0603330KJNEAHP

Vishay DaleIn Stock: 4695CRCW0603330KJNEAHP Datasheet

DirectRFQ

ERJ-PA3J334V

Panasonic Electronic ComponentsIn Stock: 11004ERJ-PA3J334V Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ESR03EZPJ334 are qualified based on the following criteria:

Electrical Parameters (Must Match):

• Resistance value: 330 kOhms
• Tolerance: ±5%
• Temperature coefficient: ±200ppm/°C
• Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Must Match):

• Package / Case: 0603 (1608 Metric)
• Number of terminations: 2
• Height - Seated (Max): 0.022" (0.55mm)

Compliance & Ratings (Must Match):

• Automotive AEC-Q200 certification
• Thick film composition
• Pulse withstanding capability
• RoHS3 compliance
• MSL 1 rating

Allowable Variation:

• Power rating may be equal or higher (0.25W minimum)
• Physical dimensions may vary within supplier tolerances (length and width within standard 0603 specifications)

Parameter Comparison

Engineering Selection Recommendations

All three parts meet the core electrical and mechanical requirements for direct substitution. Selection should be based on the following factors:

ESR03EZPJ334 (Rohm Semiconductor): Primary specification. Use when original design validation and Rohm-specific qualification documentation are required.

CRCW0603330KJNEAHP (Vishay Dale): Direct substitute with higher power rating (0.333W vs 0.25W). Suitable for applications requiring increased thermal margin. Slightly wider physical dimension (0.85mm vs 0.80mm) remains within 0603 package tolerance. Higher inventory availability (4632 units) supports supply chain continuity.

ERJ-PA3J334V (Panasonic Electronic Components): Direct substitute with higher power rating (0.333W vs 0.25W). Maintains identical physical dimensions to the primary part (0.031" width). Highest inventory availability (10990 units) provides maximum supply chain flexibility. Panasonic ERJ-PA series automotive qualification supports long-term availability.

All three parts carry identical compliance certifications (AEC-Q200, RoHS3, MSL 1) and are suitable for automotive applications within the specified temperature range.

Frequently Asked Questions (FAQ)

Q: Can CRCW0603330KJNEAHP or ERJ-PA3J334V be used as direct replacements for ESR03EZPJ334?

A: Yes. Both substitute parts meet all electrical parameters (330 kOhms ±5%, ±200ppm/°C, -55°C ~ 155°C), mechanical specifications (0603 package, 0.022" max height), and automotive compliance requirements (AEC-Q200, RoHS3, MSL 1). The higher power ratings (0.333W vs 0.25W) provide additional thermal margin without affecting circuit performance.

Q: What is the difference between the 0.25W and 0.333W power ratings?

A: Power rating indicates the maximum continuous power dissipation the resistor can handle. The 0.333W rating provides approximately 33% higher thermal capacity than the 0.25W rating. In applications where the ESR03EZPJ334 operates below its 0.25W limit, either substitute part will perform identically. Higher power-rated components offer improved reliability margin in high-dissipation circuits.

Q: Are there physical dimension differences between these parts?

A: The CRCW0603330KJNEAHP has a width of 0.033" (0.85mm) compared to 0.031" (0.80mm) for the ESR03EZPJ334 and ERJ-PA3J334V. All three parts conform to the 0603 (1608 Metric) package standard. This minor width variation remains within standard PCB pad tolerances and does not affect assembly or performance.

Q: Which substitute part should be selected for maximum supply availability?

A: ERJ-PA3J334V (Panasonic) offers the highest inventory level at 10990 units. CRCW0603330KJNEAHP (Vishay Dale) provides 4632 units. Both exceed the primary part inventory (1046 units) and support extended supply chain planning.

Q: Do all three parts meet automotive qualification standards?

A: Yes. All three parts carry AEC-Q200 automotive qualification, pulse withstanding capability, and identical operating temperature range (-55°C ~ 155°C). All are RoHS3 compliant with MSL 1 rating, suitable for automotive applications without additional qualification testing.