ERJ-S02J185X Equivalent & Substitute Parts

Part Overview

The ERJ-S02J185X is a 1.8 MOhms ±5% thick film chip resistor manufactured by Panasonic Electronic Components in the 0402 (1005 Metric) package format. This component is rated for 0.1W (1/10W) power dissipation and features anti-sulfur properties with automotive AEC-Q200 qualification. The part is currently in active production status with 711 pieces available in stock. Substitute parts are identified when equivalent electrical and mechanical specifications are required due to inventory constraints, supply chain considerations, or design flexibility within the same performance envelope.

Substiute Parts

ERJ-S02J185X

Panasonic Electronic ComponentsIn Stock: 746ERJ-S02J185X Datasheet

Current PartRFQ

ERJ-U02J185X

Panasonic Electronic ComponentsIn Stock: 9060ERJ-U02J185X Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ERJ-S02J185X is valid when the replacement component maintains identical electrical and mechanical specifications across all critical parameters. The substitution logic is based on the following criteria:

Electrical Parameters (Must Match Exactly):

• Resistance value: 1.8 MOhms
• Tolerance: ±5%
• Power rating: 0.1W (1/10W)
• Temperature coefficient: -400 / +150 ppm/°C
• Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Must Match Exactly):

• Package format: 0402 (1005 Metric)
• Physical dimensions: 0.039" L x 0.020" W (1.00mm x 0.50mm)
• Height seated (maximum): 0.016" (0.40mm)
• Number of terminations: 2

Compliance & Certification (Must Match):

• Automotive AEC-Q200 rating
• Anti-sulfur composition
• ROHS3 compliance
• Moisture sensitivity level: 1 (Unlimited)

The ERJ-U02J185X qualifies as a direct substitute based on complete alignment with all specified parameters.

Parameter Comparison

Engineering Selection Recommendations

The ERJ-U02J185X is a direct equivalent substitute for the ERJ-S02J185X. Both components are manufactured by Panasonic Electronic Components and maintain identical electrical performance, mechanical form factor, and compliance certifications. The primary difference between the two parts is the series designation (ERJ-S02 versus ERJ-U02), which reflects internal manufacturing process variations within Panasonic's product line while maintaining full specification equivalence.

Selection between these two parts is based on availability and supply chain requirements. The ERJ-U02J185X currently has higher inventory availability (9007 pieces) compared to the ERJ-S02J185X (711 pieces). Both parts carry active product status and full AEC-Q200 automotive qualification, making either suitable for applications requiring automotive-grade reliability and anti-sulfur protection.

No performance degradation or functional compromise occurs when substituting between these parts. PCB layout, thermal management, and circuit design considerations remain unchanged due to identical package dimensions and electrical characteristics.

Frequently Asked Questions (FAQ)

Q: Can the ERJ-U02J185X be used as a direct replacement for the ERJ-S02J185X in automotive applications?

A: Yes. Both parts carry identical AEC-Q200 automotive qualification, anti-sulfur composition, and electrical specifications. The ERJ-U02J185X is a direct substitute with no functional or reliability differences in automotive circuit applications.

Q: Are the physical dimensions identical between ERJ-S02J185X and ERJ-U02J185X?

A: Yes. Both components use the 0402 (1005 Metric) package with identical dimensions of 0.039" L x 0.020" W (1.00mm x 0.50mm) and maximum seated height of 0.016" (0.40mm). PCB footprints and assembly processes are interchangeable.

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

A: The series designation reflects internal manufacturing process variations within Panasonic's thick film resistor product line. Both series maintain identical electrical performance, tolerance, temperature coefficient, and compliance specifications for the 1.8 MOhms ±5% 0.1W 0402 package configuration.

Q: Do both parts have the same moisture sensitivity rating?

A: Yes. Both the ERJ-S02J185X and ERJ-U02J185X carry Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity constraints during storage, handling, or assembly processes.

Q: Are there any temperature performance differences between these substitutes?

A: No. Both parts operate across the identical temperature range of -55°C to 155°C with the same temperature coefficient of -400 / +150 ppm/°C, ensuring equivalent performance across all operating conditions.

Q: Can these parts be mixed in the same production batch?

A: Yes. Since both parts are electrically and mechanically identical with the same package format and compliance certifications, they can be used interchangeably within the same circuit design and production environment.

Q: What is the RoHS compliance status for both parts?

A: Both the ERJ-S02J185X and ERJ-U02J185X are ROHS3 compliant, meeting all current environmental and hazardous substance restrictions for electronic components.