ERJ-S02J2R4X Equivalent & Substitute Parts

Part Overview

The ERJ-S02J2R4X is a 2.4 Ohm ±5% 0.1W thick film chip resistor in 0402 (1005 Metric) package manufactured by Panasonic Electronic Components. This component features anti-sulfur coating and automotive AEC-Q200 qualification, making it suitable for automotive and harsh environment applications. The part is currently in active production status with 825 pieces available in stock. Substitute parts are identified to address inventory availability, packaging format requirements, or supply chain continuity needs while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Resistance	2.4 Ohms
Tolerance	±5%
Power Rating	0.1W (1/10W)
Package / Case	0402 (1005 Metric)
Composition	Thick Film
Features	Anti-Sulfur, Automotive AEC-Q200
Temperature Coefficient	-100 / +600 ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Size / Dimension	0.039" L x 0.020" W (1.00mm x 0.50mm)
Height - Seated (Max)	0.016" (0.40mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution between ERJ-S02J2R4X and ERJ-U02J2R4X is based on electrical and mechanical parameter equivalence. Both parts share identical specifications across all critical selection criteria: 2.4 Ohm resistance value, ±5% tolerance, 0.1W power rating, 0402 package format, thick film composition, anti-sulfur coating, and AEC-Q200 automotive qualification. The operating temperature range, temperature coefficient, physical dimensions, and height specifications are identical. Both parts maintain ROHS3 compliance and MSL 1 rating. The primary distinction between these parts is the packaging format: ERJ-S02J2R4X is supplied in standard packaging, while ERJ-U02J2R4X is supplied in Tape & Reel (TR) format. This packaging difference does not affect electrical performance or mechanical compatibility on the PCB.

Parameter Comparison

Parameter	ERJ-S02J2R4X	ERJ-U02J2R4X	Match
Manufacturer	Panasonic Electronic Components	Panasonic Electronic Components	Yes
Resistance	2.4 Ohms	2.4 Ohms	Yes
Tolerance	±5%	±5%	Yes
Power (Watts)	0.1W (1/10W)	0.1W (1/10W)	Yes
Composition	Thick Film	Thick Film	Yes
Features	Anti-Sulfur, Automotive AEC-Q200	Anti-Sulfur, Automotive AEC-Q200	Yes
Temperature Coefficient	-100 / +600 ppm/°C	-100 / +600 ppm/°C	Yes
Operating Temperature	-55°C ~ 155°C	-55°C ~ 155°C	Yes
Package / Case	0402 (1005 Metric)	0402 (1005 Metric)	Yes
Size / Dimension	0.039" L x 0.020" W (1.00mm x 0.50mm)	0.039" L x 0.020" W (1.00mm x 0.50mm)	Yes
Height - Seated (Max)	0.016" (0.40mm)	0.016" (0.40mm)	Yes
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Yes
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Yes
Product Status	Active	Active	Yes
Packaging Format	Standard	Tape & Reel (TR)	Different

Engineering Selection Recommendations

Both ERJ-S02J2R4X and ERJ-U02J2R4X are active production components from Panasonic Electronic Components with full ROHS3 compliance and AEC-Q200 automotive qualification. Selection between these parts should be based on packaging requirements and supply chain considerations. The ERJ-S02J2R4X in standard packaging is appropriate for applications requiring smaller order quantities or manual assembly processes. The ERJ-U02J2R4X in Tape & Reel format is suitable for high-volume automated assembly operations where reel-based component feeding is standard. Both parts deliver identical electrical performance and mechanical fit on 0402 footprints. The choice between these substitutes does not impact circuit functionality, thermal performance, or reliability characteristics.

Frequently Asked Questions (FAQ)

Question	Answer
Can ERJ-U02J2R4X replace ERJ-S02J2R4X in circuit design?	Yes. Both parts are electrically and mechanically identical with matching resistance, tolerance, power rating, temperature range, and package dimensions. The only difference is packaging format (Tape & Reel versus standard packaging).
What is the primary difference between these substitute parts?	The ERJ-S02J2R4X is supplied in standard packaging, while the ERJ-U02J2R4X is supplied in Tape & Reel (TR) format. This affects component handling and assembly processes but not electrical or mechanical performance.
Are both parts suitable for automotive applications?	Yes. Both ERJ-S02J2R4X and ERJ-U02J2R4X carry AEC-Q200 automotive qualification and anti-sulfur coating, making them suitable for automotive and harsh environment applications.
Do these parts have identical physical dimensions?	Yes. Both parts are 0402 (1005 Metric) package with identical length (0.039"), width (0.020"), and maximum seated height (0.016"). They are footprint-compatible on PCBs.
What is the operating temperature range for both parts?	Both parts operate from -55°C to 155°C with a temperature coefficient of -100 / +600 ppm/°C.
Are both parts RoHS compliant?	Yes. Both ERJ-S02J2R4X and ERJ-U02J2R4X are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.
Which part should be selected for high-volume manufacturing?	The ERJ-U02J2R4X in Tape & Reel format is optimized for high-volume automated assembly operations. The ERJ-S02J2R4X in standard packaging is suitable for lower-volume or manual assembly processes.
Do these parts require different PCB footprints?	No. Both parts use the same 0402 (1005 Metric) package and require identical PCB footprints. They are direct mechanical substitutes.