RT0603FRE07866RL Equivalent & Substitute Parts

Part Overview

The RT0603FRE07866RL is a 0603 (1608 Metric) thin film chip resistor manufactured by YAGEO, rated at 866 Ohms with ±1% tolerance and 0.1W power dissipation. This component is in active production status and ROHS3 compliant. Substitute parts are identified when equivalent resistance values, package dimensions, and electrical ratings are maintained within acceptable tolerances, enabling direct replacement in circuit applications where the original part becomes unavailable or when design requirements necessitate enhanced precision or automotive-grade specifications.

Key Parameters

Parameter	Value
Resistance	866 Ohms
Tolerance	±1%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 Metric)
Composition	Thin Film
Operating Temperature Range	-55°C ~ 155°C
Temperature Coefficient	±50ppm/°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the RT0603FRE07866RL is determined by the following criteria:

Primary Substitution Parameters:

Resistance value: 866 Ohms (exact match required)
Package / Case: 0603 (1608 Metric) (exact match required)
Composition: Thin Film (exact match required)
Operating temperature range: -55°C ~ 155°C minimum (equal or wider range acceptable)
RoHS compliance: ROHS3 Compliant (maintained)
Moisture Sensitivity Level: 1 (Unlimited) (maintained)

Secondary Substitution Parameters (Enhancement Allowed):

Tolerance: ±1% or tighter (±0.5%, ±0.1%)
Temperature Coefficient: ±50ppm/°C or lower (±25ppm/°C acceptable)
Power Rating: 0.1W or higher (0.167W acceptable)
Automotive certification: AEC-Q200 (optional enhancement)

All identified substitute parts maintain the core electrical and mechanical specifications while offering equal or improved performance characteristics.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power Rating	Temp Coeff	Package	Features
RT0603FRE07866RL	YAGEO	866 Ω	±1%	0.1W	±50ppm/°C	0603	Standard
RT0603BRD07866RL	YAGEO	866 Ω	±0.1%	0.1W	±25ppm/°C	0603	Precision Grade
RT0603DRE07866RL	YAGEO	866 Ω	±0.5%	0.1W	±50ppm/°C	0603	Mid-Precision
ERA-3AEB8660V	Panasonic Electronic Components	866 Ω	±0.1%	0.1W	±25ppm/°C	0603	Automotive AEC-Q200
RG1608P-8660-B-T5	Susumu	866 Ω	±0.1%	0.1W	±25ppm/°C	0603	Anti-Sulfur, Automotive AEC-Q200
RP73PF1J866RBTDF	TE Connectivity Passive Product	866 Ω	±0.1%	0.167W	±25ppm/°C	0603	Enhanced Power Rating

Engineering Selection Recommendations

Direct Substitution (Equivalent Performance): RT0603BRD07866RL and RT0603DRE07866RL are YAGEO products within the same RT series, maintaining identical package geometry and power ratings while offering improved tolerance specifications. Both remain ROHS3 compliant with MSL 1 rating.

Cross-Manufacturer Substitution (Automotive Applications): ERA-3AEB8660V (Panasonic) and RG1608P-8660-B-T5 (Susumu) are qualified to AEC-Q200 automotive standards. These components are suitable for applications requiring automotive-grade reliability and environmental stress screening. The Susumu part includes anti-sulfur protection, beneficial in corrosive environments.

Enhanced Power Capability: RP73PF1J866RBTDF (TE Connectivity) provides 0.167W power rating versus the standard 0.1W, accommodating designs with higher thermal dissipation requirements while maintaining the 0603 package footprint.

Product Status: All substitute parts maintain active production status, ensuring long-term availability and supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can RT0603BRD07866RL replace RT0603FRE07866RL in any application? A: Yes. RT0603BRD07866RL maintains identical package dimensions, power rating, and operating temperature range. The improved tolerance (±0.1% versus ±1%) and lower temperature coefficient (±25ppm/°C versus ±50ppm/°C) provide enhanced precision without compromising compatibility.

Q: What is the difference between the YAGEO RT series options? A: RT0603FRE07866RL offers ±1% tolerance with ±50ppm/°C temperature coefficient. RT0603DRE07866RL provides ±0.5% tolerance with identical temperature coefficient. RT0603BRD07866RL delivers ±0.1% tolerance with ±25ppm/°C temperature coefficient. All three share identical package and power specifications.

Q: When should I select an automotive-qualified part? A: ERA-3AEB8660V and RG1608P-8660-B-T5 are AEC-Q200 qualified. Select these for automotive applications, industrial environments with temperature cycling, or designs requiring documented reliability screening and traceability.

Q: Does the anti-sulfur feature of RG1608P-8660-B-T5 affect electrical performance? A: No. Anti-sulfur coating is a material enhancement that protects against sulfur-induced corrosion in harsh environments. Electrical specifications remain equivalent to other 866 Ohm 0603 thin film resistors.

Q: Is RP73PF1J866RBTDF compatible with standard 0603 PCB footprints? A: Yes. RP73PF1J866RBTDF maintains 0603 (1608 Metric) package dimensions and footprint compatibility. The 0.167W power rating is an enhancement that does not affect physical placement or soldering procedures.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original RT0603FRE07866RL specifications.

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