RN104PJ3R0CS Equivalent & Substitute Parts

Part Overview

The RN104PJ3R0CS is a 4-resistor network array manufactured by Samsung Electro-Mechanics, featuring 3 Ohm isolated resistors in a 0804 surface mount package. This component is classified as obsolete, necessitating identification of active equivalent parts for ongoing production and procurement requirements. The part delivers 62.5mW power per element with ±5% tolerance and ±300ppm/°C temperature coefficient across an operating range of -55°C to 155°C.

Substiute Parts

RN104PJ3R0CS

Samsung Electro-MechanicsIn Stock: 856RN104PJ3R0CS Datasheet

Current PartRFQ

EXB-N8V3R0JX

Panasonic Electronic ComponentsIn Stock: 13320EXB-N8V3R0JX Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RN104PJ3R0CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 3 Ohm
• Tolerance: ±5%
• Number of resistors: 4
• Circuit type: Isolated
• Number of pins: 8
• Package type: 0804, Concave, Long Side Terminals
• Physical dimensions: 0.079" L x 0.039" W (2.00mm x 1.00mm)
• Mounting type: Surface Mount

Acceptable Variation Parameters:

• Power per element: Substitute must meet or exceed application requirements
• Temperature coefficient: Substitute must meet or exceed application requirements
• Operating temperature range: Substitute must cover application operating conditions
• Product status: Active status preferred for ongoing availability

The EXB-N8V3R0JX from Panasonic Electronic Components qualifies as a direct substitute based on matching all mandatory parameters while maintaining ROHS3 compliance and MSL 1 rating.

Parameter Comparison

Engineering Selection Recommendations

The EXB-N8V3R0JX serves as the direct substitute for the obsolete RN104PJ3R0CS. Both components maintain ROHS3 compliance and MSL 1 rating, ensuring regulatory and environmental compatibility.

The Panasonic EXB-N8V3R0JX offers the following advantages:

• Active product status ensures continued availability and supply chain reliability
• Identical electrical specifications for resistance, tolerance, and circuit configuration
• Superior temperature coefficient (±200ppm/°C versus ±300ppm/°C) provides improved stability
• Equivalent physical footprint and mounting characteristics enable direct PCB layout compatibility

Design considerations for substitution:

The EXB-N8V3R0JX operates to 125°C maximum, compared to 155°C for the RN104PJ3R0CS. Applications requiring operation above 125°C require thermal analysis to confirm suitability.

The EXB-N8V3R0JX specifies 31mW power per element versus 62.5mW for the RN104PJ3R0CS. Applications requiring power dissipation above 31mW per element require thermal management evaluation.

The EXB-N8V3R0JX height of 0.022" (0.55mm) exceeds the RN104PJ3R0CS height of 0.020" (0.50mm) by 0.002" (0.05mm). PCB clearance verification is required for space-constrained applications.

Frequently Asked Questions (FAQ)

Q: Can the EXB-N8V3R0JX directly replace the RN104PJ3R0CS on existing PCBs?

A: Yes, the EXB-N8V3R0JX provides direct replacement capability. Both components share identical footprints, pin configurations, and physical dimensions within the 0804 package specification. The 0.002" (0.05mm) height difference does not affect standard PCB assembly processes.

Q: What are the key differences between these two parts?

A: The primary differences are product status (active versus obsolete), power rating per element (31mW versus 62.5mW), temperature coefficient (±200ppm/°C versus ±300ppm/°C), and maximum operating temperature (125°C versus 155°C). All other electrical and mechanical parameters are identical.

Q: Are there any compliance or certification differences?

A: Both components maintain ROHS3 compliance and MSL 1 rating. No compliance differences exist between the two parts.

Q: Which part should be selected for new designs?

A: The EXB-N8V3R0JX should be selected for new designs due to active product status and assured long-term availability. The RN104PJ3R0CS is obsolete and not recommended for new applications.

Q: What applications require thermal analysis before substitution?

A: Applications operating above 125°C or requiring power dissipation exceeding 31mW per element require thermal analysis to confirm the EXB-N8V3R0JX meets performance requirements.

Q: Are the packaging formats compatible?

A: The RN104PJ3R0CS is supplied in standard packaging, while the EXB-N8V3R0JX is supplied in Tape & Reel (TR) format. Both formats are compatible with standard SMT assembly equipment.

Q: What is the temperature coefficient significance?

A: The EXB-N8V3R0JX temperature coefficient of ±200ppm/°C is superior to the RN104PJ3R0CS at ±300ppm/°C. This indicates better resistance stability across temperature variations, beneficial for precision applications.