RT0603FRE0784K5L Equivalent & Substitute Parts

Part Overview

The RT0603FRE0784K5L is a 84.5 kOhms ±1% thin film chip resistor in 0603 (1608 Metric) package rated at 0.1W power dissipation. Manufactured by YAGEO, this component is actively produced and ROHS3 compliant. Substitute parts are identified based on matching resistance value, package form factor, and compatible electrical specifications within the 0603 SMD resistor category.

Key Parameters

Parameter	Value
Resistance	84.5 kOhms
Tolerance	±1%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 Metric)
Composition	Thin Film
Temperature Coefficient	±50ppm/°C
Operating Temperature Range	-55°C ~ 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the RT0603FRE0784K5L is determined by the following criteria:

Primary Matching Parameters:

Resistance value: 84.5 kOhms (exact match required)
Package form factor: 0603 (1608 Metric)
Composition: Thin Film
Operating temperature range: -55°C ~ 155°C minimum
RoHS3 compliance

Secondary Compatibility Parameters:

Tolerance: ±1% or tighter (±0.5%, ±0.1%)
Power rating: 0.1W or higher
Temperature coefficient: ±50ppm/°C or better
Moisture sensitivity: MSL 1

Substitute parts are grouped into upgrade categories where tolerance is improved (±0.5% or ±0.1%) or where additional certifications (AEC-Q200 automotive qualification) are provided. Direct substitutes maintain equivalent electrical performance within the specified parameters.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Package	RoHS Status	Automotive Rating
RT0603FRE0784K5L	YAGEO	84.5 kOhms	±1%	0.1	±50	0603	ROHS3	—
RT0603BRD0784K5L	YAGEO	84.5 kOhms	±0.1%	0.1	±25	0603	ROHS3	—
RT0603DRE0784K5L	YAGEO	84.5 kOhms	±0.5%	0.1	±50	0603	ROHS3	—
8-2176089-3	TE Connectivity	84.5 kOhms	±0.1%	0.167	±25	0603	ROHS3	—
ERA-3AEB8452V	Panasonic	84.5 kOhms	±0.1%	0.1	±25	0603	ROHS3	AEC-Q200
RG1608P-8452-B-T5	Susumu	84.5 kOhms	±0.1%	0.1	±25	0603	ROHS3	AEC-Q200

Engineering Selection Recommendations

YAGEO RT0603BRD0784K5L — Upgrade option within the same manufacturer series. Provides improved tolerance (±0.1% vs ±1%) and reduced temperature coefficient (±25ppm/°C vs ±50ppm/°C) while maintaining identical package, power rating, and compliance status. Recommended for applications requiring tighter resistance accuracy.

YAGEO RT0603DRE0784K5L — Upgrade option with intermediate tolerance (±0.5%). Maintains the original temperature coefficient specification while improving tolerance performance. Suitable for applications where moderate tolerance improvement is required without changing thermal characteristics.

TE Connectivity 8-2176089-3 — Direct substitute from alternative manufacturer. Offers ±0.1% tolerance and ±25ppm/°C temperature coefficient with higher power rating (0.167W vs 0.1W). Physically compatible with 0603 package footprint. All compliance certifications match.

Panasonic ERA-3AEB8452V — Upgrade option with automotive AEC-Q200 qualification. Provides ±0.1% tolerance and ±25ppm/°C temperature coefficient. Required for automotive applications or where AEC-Q200 certification is specified. Maintains 0603 package compatibility and ROHS3 compliance.

Susumu RG1608P-8452-B-T5 — Upgrade option with automotive AEC-Q200 qualification and anti-sulfur feature. Provides ±0.1% tolerance and ±25ppm/°C temperature coefficient. Suitable for automotive and harsh environment applications. Maintains 0603 package compatibility and ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can RT0603BRD0784K5L replace RT0603FRE0784K5L directly?

A: Yes. Both components share identical resistance value (84.5 kOhms), package form factor (0603), power rating (0.1W), operating temperature range (-55°C ~ 155°C), and RoHS3 compliance. The substitute offers improved tolerance (±0.1% vs ±1%) and lower temperature coefficient (±25ppm/°C vs ±50ppm/°C), making it a direct upgrade with no circuit redesign required.

Q: What is the difference between the YAGEO upgrade options?

A: RT0603BRD0784K5L provides the tightest tolerance (±0.1%) and lowest temperature coefficient (±25ppm/°C). RT0603DRE0784K5L offers intermediate tolerance (±0.5%) while maintaining the original temperature coefficient (±50ppm/°C). Selection depends on circuit accuracy requirements.

Q: Why would I choose the TE Connectivity 8-2176089-3 substitute?

A: This part offers higher power dissipation capability (0.167W vs 0.1W) with improved tolerance and temperature coefficient. It is suitable when additional thermal headroom is needed or when TE Connectivity is the preferred supplier in your supply chain.

Q: When should I use the automotive-qualified parts (Panasonic or Susumi)?

A: Automotive-qualified parts (ERA-3AEB8452V and RG1608P-8452-B-T5) carry AEC-Q200 certification and are required for automotive applications or systems where automotive-grade component qualification is specified. The Susumu part additionally includes anti-sulfur protection for harsh environments.

Q: Are all substitute parts available in the same packaging format?

A: Yes. All listed substitutes are supplied in Tape & Reel (TR) packaging in 0603 (1608 Metric) form factor, ensuring compatibility with standard SMD assembly processes and equipment.

Q: What is the impact of tolerance differences on circuit performance?

A: Tighter tolerance (±0.1% vs ±1%) reduces resistance value variation across the production batch, improving circuit accuracy and consistency. This is critical in precision analog circuits, reference networks, and measurement applications. Standard tolerance (±1%) is acceptable for general-purpose filtering, biasing, and non-critical applications.

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