RP104PJ390CS Equivalent & Substitute Parts

Part Overview

The RP104PJ390CS is a 4-resistor isolated network array manufactured by Samsung Electro-Mechanics. This surface-mount component features 39 Ohm resistors with ±5% tolerance and 62.5mW power per element, housed in a 0804 package with convex, long-side terminals. The part is Active in product status and widely used in applications requiring isolated resistor networks with stable temperature performance across industrial and automotive temperature ranges. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical compatibility, and package standardization to support design flexibility and supply chain continuity.

Substiute Parts

RP104PJ390CS

Samsung Electro-MechanicsIn Stock: 805RP104PJ390CS Datasheet

Current PartRFQ

RAVF104DJT39R0

Stackpole Electronics IncIn Stock: 5994RAVF104DJT39R0 Datasheet

DirectRFQ

YC124-JR-0739RL

YAGEOIn Stock: 57398YC124-JR-0739RL Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RP104PJ390CS are qualified based on the following criteria:

Electrical Equivalence:

• Resistance value: 39 Ohms
• Tolerance: ±5%
• Number of resistor elements: 4
• Power per element: 62.5mW
• Temperature coefficient: ±200ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Circuit configuration: Isolated

Mechanical Compatibility:

• Package type: 0804, Convex, Long Side Terminals
• Number of pins: 8
• Mounting type: Surface Mount
• Physical dimensions: 0.079" L x 0.039" W (2.00mm x 1.00mm)

Compliance & Certification:

• RoHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)
• REACH Unaffected
• ECCN: EAR99

All identified substitutes meet these criteria and are classified as Active products from qualified manufacturers.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection (RP104PJ390CS): The Samsung Electro-Mechanics RP104PJ390CS is the specified component and remains the first choice when available. It is Active in product status, RoHS3 compliant, and meets all electrical and mechanical requirements.

First Substitute (RAVF104DJT39R0): The Stackpole Electronics RAVF104DJT39R0 is a direct electrical and mechanical equivalent with identical core specifications. This part carries Automotive AEC-Q200 qualification, providing additional assurance for automotive applications. The maximum seated height is 0.020" (0.50mm), which is within acceptable tolerance for standard PCB assembly processes. Stackpole maintains high inventory levels (5976 Pcs), supporting supply chain reliability.

Second Substitute (YC124-JR-0739RL): The YAGEO YC124-JR-0739RL is electrically and mechanically equivalent with identical specifications. This part is qualified to Automotive AEC-Q200 and is specifically designed for DDRAM and SDRAM applications. The maximum seated height is 0.022" (0.55mm). YAGEO maintains the highest inventory availability (57303 Pcs) among all listed options. This part is suitable for applications where YAGEO supply chain preference or automotive qualification is required.

Compliance Verification: All three parts are RoHS3 compliant, REACH unaffected, and classified as EAR99 for export control purposes. All parts feature MSL 1 (Unlimited) moisture sensitivity, eliminating special storage or handling requirements.

Frequently Asked Questions (FAQ)

Q1: Can RAVF104DJT39R0 be used as a direct replacement for RP104PJ390CS?

A: Yes. The RAVF104DJT39R0 is electrically and mechanically equivalent. Both parts feature 39 Ohm ±5% resistance, 62.5mW power per element, ±200ppm/°C temperature coefficient, and identical 0804 package dimensions. The maximum seated height difference (0.020" vs 0.018") is within standard PCB assembly tolerances and does not affect functionality or compatibility.

Q2: What is the difference between the three substitute parts?

A: All three parts are electrically identical (39 Ohm, ±5%, 62.5mW, ±200ppm/°C). The primary differences are: (1) Manufacturer and series designation; (2) Packaging format (Cut Tape vs Tape & Reel); (3) Automotive qualification status (RAVF104DJT39R0 and YC124-JR-0739RL carry AEC-Q200); (4) Maximum seated height (0.018" to 0.022"); (5) Inventory availability. All parts are RoHS3 compliant and suitable for the same applications.

Q3: Are the height differences between parts significant?

A: The height variation ranges from 0.018" (0.45mm) for RP104PJ390CS to 0.022" (0.55mm) for YC124-JR-0739RL. This 0.004" (0.10mm) difference is within standard PCB assembly process tolerances and does not affect electrical performance, thermal management, or mechanical reliability. Height differences are not a limiting factor for substitution in standard surface-mount applications.

Q4: Which substitute part should be selected for automotive applications?

A: Both RAVF104DJT39R0 and YC124-JR-0739RL carry Automotive AEC-Q200 qualification. Either part is suitable for automotive applications. RAVF104DJT39R0 is supplied in Tape & Reel format, while YC124-JR-0739RL is available in Cut Tape & Digi-Reel format. Selection should be based on packaging preference and supply chain availability.

Q5: What is the difference between Cut Tape and Tape & Reel packaging?

A: Cut Tape (CT) & Digi-Reel® is supplied in individual tape segments suitable for manual handling or small-volume assembly. Tape & Reel (TR) is supplied on continuous reels suitable for automated pick-and-place assembly equipment. Both formats contain the same component; packaging selection depends on assembly process requirements and volume.

Q6: Are all parts RoHS3 compliant?

A: Yes. All three parts (RP104PJ390CS, RAVF104DJT39R0, and YC124-JR-0739RL) are RoHS3 compliant and REACH unaffected. All parts feature MSL 1 (Unlimited) moisture sensitivity, eliminating special storage or handling requirements.

Q7: Can these parts be used interchangeably in existing designs?

A: Yes. All three parts meet identical electrical specifications (39 Ohm ±5%, 62.5mW, ±200ppm/°C, -55°C ~ 155°C), feature the same 0804 package with 8 pins, and are surface-mount compatible. Mechanical dimensions are within standard assembly tolerances. No design changes are required for substitution.