RT0603FRE0731R6L Equivalent & Substitute Parts

Part Overview

The RT0603FRE0731R6L is a 31.6 Ohm thin film chip resistor manufactured by YAGEO in the 0603 (1608 Metric) package format. This component is rated for 0.1W (1/10W) power dissipation with ±1% tolerance and operates across the temperature range of -55°C to 155°C. The part maintains Active product status and is RoHS3 compliant with MSL Level 1 rating. Equivalent and substitute parts are identified to support procurement flexibility, inventory optimization, and supply chain continuity for applications requiring 31.6 Ohm resistive elements in compact surface-mount configurations.

Substiute Parts

RT0603FRE0731R6L

YAGEOIn Stock: 1146RT0603FRE0731R6L Datasheet

Current PartRFQ

RP73PF1J31R6BTDF

TE Connectivity Passive ProductIn Stock: 5624RP73PF1J31R6BTDF Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RT0603FRE0731R6L is determined by the following critical parameters:

• Resistance Value: Exact match at 31.6 Ohms
• Package Format: 0603 (1608 Metric) form factor for PCB compatibility
• Composition: Thin film construction for precision and stability
• Operating Temperature Range: Minimum -55°C to 155°C coverage
• Compliance Standards: RoHS3 compliance and MSL Level 1 rating

The substitute part RP73PF1J31R6BTDF meets all mandatory substitution criteria. Enhanced specifications in tolerance (±0.1% versus ±1%) and power rating (0.167W versus 0.1W) represent upgrades that maintain full backward compatibility while providing improved performance margins.

Parameter Comparison

Engineering Selection Recommendations

Both the RT0603FRE0731R6L and RP73PF1J31R6BTDF maintain Active product status and full RoHS3 compliance. The RP73PF1J31R6BTDF offers enhanced specifications including tighter tolerance (±0.1% versus ±1%), higher power dissipation capability (0.167W versus 0.1W), and improved temperature coefficient stability (±25ppm/°C versus ±50ppm/°C). These upgrades provide additional performance margin without compromising package compatibility or thermal operating range. Selection between these parts depends on application-specific requirements for tolerance precision and thermal headroom.

Frequently Asked Questions (FAQ)

Q: Can the RP73PF1J31R6BTDF directly replace the RT0603FRE0731R6L in existing designs?

A: Yes. Both components share identical resistance value (31.6 Ohms), package format (0603), operating temperature range (-55°C to 155°C), and compliance certifications (RoHS3, MSL 1). The substitute part is physically and electrically compatible for direct PCB substitution.

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

A: The RP73PF1J31R6BTDF provides three specification improvements: tolerance of ±0.1% (versus ±1%), power rating of 0.167W (versus 0.1W), and temperature coefficient of ±25ppm/°C (versus ±50ppm/°C). These represent performance enhancements that maintain backward compatibility.

Q: Are both parts suitable for high-temperature applications?

A: Yes. Both components operate across the identical temperature range of -55°C to 155°C and maintain their specified electrical characteristics throughout this range.

Q: What is the significance of the 0603 package format?

A: The 0603 (1608 Metric) package is a standard surface-mount form factor measuring 1.60mm × 0.80mm. Both parts use this identical package, ensuring mechanical and electrical compatibility on PCBs designed for 0603 resistor footprints.

Q: Do both parts meet RoHS compliance requirements?

A: Yes. Both the RT0603FRE0731R6L and RP73PF1J31R6BTDF are RoHS3 compliant and carry MSL Level 1 (Unlimited) moisture sensitivity ratings, suitable for standard manufacturing and storage conditions.