RP102PJ390CS Equivalent & Substitute Parts Reference

Part Overview

The RP102PJ390CS is a 39 Ohm isolated 2-resistor network array manufactured by Samsung Electro-Mechanics. This surface mount component features 62.5mW power per element with ±5% tolerance and ±200ppm/°C temperature coefficient in a 0404 (1010 Metric) package. The part is Active status and ROHS3 compliant, designed for applications requiring precision resistor networks in compact form factors. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component requirements.

Key Parameters

Parameter	Value	Unit
Resistance	39	Ohm
Tolerance	±5%	-
Number of Resistors	2	-
Power Per Element	62.5	mW
Temperature Coefficient	±200	ppm/°C
Operating Temperature Range	-55°C to 155°C	-
Circuit Type	Isolated	-
Number of Pins	4	-
Package / Case	0404 (1010 Metric), Convex	-
Mounting Type	Surface Mount	-
RoHS Status	ROHS3 Compliant	-
Moisture Sensitivity Level	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitution of the RP102PJ390CS is determined by strict equivalence across the following critical parameters:

Electrical Specifications: Resistance value (39 Ohm), tolerance (±5%), power per element (62.5mW), temperature coefficient (±200ppm/°C), and operating temperature range (-55°C to 155°C) must match exactly.

Circuit Architecture: Circuit type must be Isolated with 2 resistors and 4 pins to ensure functional compatibility in the target application.

Mechanical Compatibility: Package type (0404/1010 Metric, Convex), mounting type (Surface Mount), and physical dimensions must be identical to permit direct PCB substitution without layout modifications.

Compliance & Certification: RoHS3 compliance and Moisture Sensitivity Level 1 status must be maintained to satisfy regulatory and environmental requirements.

The YC122-JR-0739RL from YAGEO meets all substitution criteria and is classified as a direct equivalent.

Parameter Comparison

Parameter	RP102PJ390CS (Samsung)	YC122-JR-0739RL (YAGEO)	Match Status
Resistance (Ohm)	39	39	Equivalent
Tolerance	±5%	±5%	Equivalent
Number of Resistors	2	2	Equivalent
Power Per Element (mW)	62.5	62.5	Equivalent
Temperature Coefficient (ppm/°C)	±200	±200	Equivalent
Operating Temperature Range	-55°C to 155°C	-55°C to 155°C	Equivalent
Circuit Type	Isolated	Isolated	Equivalent
Number of Pins	4	4	Equivalent
Package / Case	0404 (1010 Metric), Convex	0404 (1010 Metric), Convex	Equivalent
Mounting Type	Surface Mount	Surface Mount	Equivalent
Size / Dimension	0.039" L x 0.039" W (1.00mm x 1.00mm)	0.039" L x 0.039" W (1.00mm x 1.00mm)	Equivalent
Height - Seated (Max)	0.018" (0.45mm)	0.016" (0.40mm)	Compatible
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Equivalent
REACH Status	REACH Unaffected	REACH Unaffected	Equivalent
Product Status	Active	Active	Equivalent

Engineering Selection Recommendations

Primary Selection: RP102PJ390CS (Samsung Electro-Mechanics) remains the specified component when original manufacturer sourcing is required and inventory availability permits.

Substitute Selection: YC122-JR-0739RL (YAGEO) is a direct functional and mechanical equivalent suitable for deployment when RP102PJ390CS supply is constrained. Both components are Active status products with ROHS3 compliance and REACH Unaffected certification, ensuring regulatory alignment. The YC122-JR-0739RL demonstrates higher inventory availability (50,873 Pcs) compared to RP102PJ390CS (1,082 Pcs), supporting supply chain continuity. The seated height differential (0.40mm vs 0.45mm) is within acceptable PCB assembly tolerances and does not impact functional performance or mechanical fit.

Compliance Verification: Both components satisfy ROHS3 requirements and maintain Moisture Sensitivity Level 1 status, eliminating additional handling or storage protocol modifications during transition.

Frequently Asked Questions (FAQ)

Q: Can YC122-JR-0739RL replace RP102PJ390CS in existing designs without PCB modification?

A: Yes. Both components share identical electrical specifications (39 Ohm, ±5%, 62.5mW per element, ±200ppm/°C), circuit architecture (Isolated, 2 resistors, 4 pins), and package dimensions (0404/1010 Metric, 1.00mm x 1.00mm). The seated height difference (0.40mm vs 0.45mm) is within standard PCB assembly tolerances and does not require layout changes.

Q: Are there packaging differences between RP102PJ390CS and YC122-JR-0739RL?

A: RP102PJ390CS is supplied in standard packaging, while YC122-JR-0739RL is supplied in Tape & Reel (TR) format. Both use identical component packages (0404 Convex). Tape & Reel packaging is standard for high-volume surface mount assembly and does not affect component performance or compatibility.

Q: Do both parts meet automotive qualification standards?

A: RP102PJ390CS is Active status with ROHS3 compliance. YC122-JR-0739RL is Active status with ROHS3 compliance and is qualified for Automotive AEC-Q200 applications. Both components maintain REACH Unaffected status and Moisture Sensitivity Level 1.

Q: What is the temperature coefficient tolerance range for these resistor arrays?

A: Both RP102PJ390CS and YC122-JR-0739RL specify ±200ppm/°C temperature coefficient across the operating range of -55°C to 155°C, ensuring stable resistance performance across industrial and extended temperature applications.

Q: Are there any electrical performance differences between the two parts?

A: No. Both components are electrically identical: 39 Ohm resistance, ±5% tolerance, 62.5mW power per element, Isolated circuit type, and ±200ppm/°C temperature coefficient. Substitution does not alter circuit behavior or performance characteristics.

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