ERJ-S02J1R2X Equivalent & Substitute Parts

Part Overview

The ERJ-S02J1R2X is a 1.2 Ohm, ±5% tolerance, 0.1W thick film chip resistor manufactured by Panasonic Electronic Components in the 0402 (1005 Metric) package. This component is designed for automotive applications and meets AEC-Q200 qualification standards with anti-sulfur construction. The part is currently in active production status with 1074 units available in inventory. Substitute parts are identified when equivalent electrical and mechanical specifications are required due to supply constraints, design flexibility, or inventory availability while maintaining full functional compatibility.

Substiute Parts

ERJ-S02J1R2X

Panasonic Electronic ComponentsIn Stock: 1123ERJ-S02J1R2X Datasheet

Current PartRFQ

ERJ-U02J1R2X

Panasonic Electronic ComponentsIn Stock: 10704ERJ-U02J1R2X Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ERJ-S02J1R2X is permissible with parts that maintain identical electrical and mechanical specifications across all critical parameters. The substitution logic is based strictly on the following criteria:

Electrical Parameters (Must Match Exactly):

• Resistance value: 1.2 Ohms
• Tolerance: ±5%
• Power rating: 0.1W (1/10W)
• Temperature coefficient: -100 / +600 ppm/°C
• Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Must Match Exactly):

• Package / Case: 0402 (1005 Metric)
• Physical dimensions: 0.039" L x 0.020" W (1.00mm x 0.50mm)
• Height - Seated (Max): 0.016" (0.40mm)
• Number of terminations: 2

Functional Requirements (Must Match Exactly):

• Composition: Thick Film
• Features: Anti-Sulfur, Automotive AEC-Q200
• Compliance: ROHS3 Compliant, REACH Unaffected

The ERJ-U02J1R2X qualifies as a direct substitute because it satisfies all electrical, mechanical, and functional requirements without deviation.

Parameter Comparison

Engineering Selection Recommendations

Both the ERJ-S02J1R2X and ERJ-U02J1R2X are active production components manufactured by Panasonic Electronic Components with identical electrical, mechanical, and compliance specifications. Selection between these parts is based on availability and supply chain requirements rather than technical differentiation.

The ERJ-S02J1R2X (ERJ-S02 series) is suitable for applications requiring the specific series designation. The ERJ-U02J1R2X (ERJ-U02 series) provides an equivalent alternative with higher current inventory availability (10,655 units versus 1,074 units).

Both parts satisfy automotive AEC-Q200 qualification requirements, ROHS3 compliance, and REACH regulatory status. Both components are rated for operating temperatures from -55°C to 155°C and feature anti-sulfur construction for enhanced reliability in harsh environments.

Frequently Asked Questions (FAQ)

Q: Can the ERJ-U02J1R2X be used as a direct replacement for the ERJ-S02J1R2X in automotive applications?

A: Yes. Both parts are manufactured by Panasonic Electronic Components with identical electrical specifications (1.2 Ohms, ±5%, 0.1W), mechanical dimensions (0402 package), and automotive qualifications (AEC-Q200). The parts are functionally interchangeable.

Q: Are there any differences in the 0402 package dimensions between these two parts?

A: No. Both parts use the identical 0402 (1005 Metric) package with dimensions of 0.039" L x 0.020" W (1.00mm x 0.50mm) and maximum seated height of 0.016" (0.40mm). PCB layout and assembly processes require no modification.

Q: Do both parts meet the same environmental and compliance standards?

A: Yes. Both the ERJ-S02J1R2X and ERJ-U02J1R2X are ROHS3 compliant, REACH unaffected, and rated for the same operating temperature range of -55°C to 155°C. Both feature anti-sulfur construction and AEC-Q200 automotive qualification.

Q: What is the difference between the ERJ-S02 and ERJ-U02 series designations?

A: The series designation indicates the product line within Panasonic's resistor portfolio. Both series share identical electrical and mechanical specifications for this 1.2 Ohm, 0.1W, 0402 package configuration. The difference is primarily in manufacturing line and inventory management.

Q: Is the moisture sensitivity level the same for both parts?

A: Yes. Both parts have a Moisture Sensitivity Level (MSL) of 1, which indicates unlimited shelf life without special moisture control requirements during storage and handling.

Q: Can these parts be used interchangeably in existing designs without circuit board redesign?

A: Yes. The identical package dimensions, pin configuration (2 terminations), and electrical characteristics allow direct substitution without PCB layout modifications or design changes.