RT0603FRE07665RL Equivalent & Substitute Parts

Part Overview

The RT0603FRE07665RL is a 665 Ohms ±1% thin film chip resistor in 0603 (1608 Metric) package manufactured by YAGEO. This surface mount device is rated for 0.1W (1/10W) power dissipation with an operating temperature range of -55°C to 155°C. The part is currently active in production with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Substitute parts are identified for applications requiring improved tolerance specifications, automotive-grade reliability, or enhanced environmental performance while maintaining electrical and mechanical compatibility.

Substiute Parts

RT0603FRE07665RL

YAGEOIn Stock: 786RT0603FRE07665RL Datasheet

Current PartRFQ

RT0603BRD07665RL

YAGEOIn Stock: 8199RT0603BRD07665RL Datasheet

UpgradeRFQ

ERA-3AEB6650V

Panasonic Electronic ComponentsIn Stock: 14852ERA-3AEB6650V Datasheet

UpgradeRFQ

RG1608N-6650-W-T1

SusumuIn Stock: 784RG1608N-6650-W-T1 Datasheet

UpgradeRFQ

RP73PF1J665RBTDF

TE Connectivity Passive ProductIn Stock: 2134RP73PF1J665RBTDF Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RT0603FRE07665RL is determined by the following criteria:

• Resistance Value: Must be 665 Ohms
• Package / Case: Must be 0603 (1608 Metric)
• Composition: Must be Thin Film
• Operating Temperature Range: Must support -55°C ~ 155°C minimum
• RoHS Compliance: Must maintain ROHS3 compliance
• Moisture Sensitivity: Must be MSL 1 or equivalent

Substitute parts may vary in tolerance (±0.1%, ±0.05%), temperature coefficient, power rating (up to 0.167W), and feature enhancements (automotive AEC-Q200, anti-sulfur) without affecting functional compatibility in the specified application envelope.

Parameter Comparison

Engineering Selection Recommendations

RT0603BRD07665RL (YAGEO): Direct upgrade from the main part with improved tolerance (±0.1% vs ±1%) and reduced temperature coefficient (±25ppm/°C vs ±50ppm/°C). Maintains identical power rating and package specifications. Suitable for applications requiring tighter tolerance control without additional environmental or automotive requirements.

ERA-3AEB6650V (Panasonic): Provides ±0.1% tolerance with automotive AEC-Q200 qualification. Recommended for automotive and mission-critical applications requiring enhanced reliability documentation and environmental stress screening. Electrical parameters remain compatible with the original specification.

RG1608N-6650-W-T1 (Susumu): Highest precision option with ±0.05% tolerance and lowest temperature coefficient (±10ppm/°C). Includes anti-sulfur coating and automotive AEC-Q200 qualification. Suitable for precision analog circuits and harsh environmental conditions. Slightly reduced maximum height (0.020" vs 0.022") requires PCB layout verification.

RP73PF1J665RBTDF (TE Connectivity): Offers increased power rating (0.167W vs 0.1W) with ±0.1% tolerance. Applicable when thermal margin improvement is required without changing package footprint. Slightly different physical dimensions (1.55mm L vs 1.60mm L) require PCB layout confirmation.

Frequently Asked Questions (FAQ)

Q: Can RT0603BRD07665RL be used as a direct replacement for RT0603FRE07665RL?

A: Yes. Both parts share identical resistance value, power rating, package, and operating temperature range. The substitute offers improved tolerance (±0.1% vs ±1%) and lower temperature coefficient, making it functionally compatible and superior in precision applications.

Q: What is the difference between standard and automotive-grade substitutes?

A: ERA-3AEB6650V and RG1608N-6650-W-T1 carry AEC-Q200 automotive qualification, indicating compliance with automotive reliability and environmental stress testing standards. These parts are suitable for automotive and high-reliability applications. Standard parts (RT0603BRD07665RL, RP73PF1J665RBTDF) lack this certification.

Q: Does the RP73PF1J665RBTDF higher power rating affect compatibility?

A: No. The increased power rating (0.167W vs 0.1W) provides additional thermal margin and does not degrade compatibility. However, the slightly different physical dimensions (1.55mm length vs 1.60mm) require verification against PCB layout constraints before implementation.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 moisture sensitivity level, ensuring regulatory and environmental compatibility with the original specification.

Q: Which substitute offers the best tolerance and temperature stability?

A: RG1608N-6650-W-T1 provides the tightest tolerance (±0.05%) and lowest temperature coefficient (±10ppm/°C). This part is recommended for precision analog circuits and applications with stringent accuracy requirements.