RGC0805FTC665R Equivalent & Substitute Parts

Part Overview

The RGC0805FTC665R is a 665 Ohm ±1% 0.125W thick film chip resistor in 0805 (2012 Metric) package manufactured by Stackpole Electronics Inc. This component is actively produced and widely used in general-purpose electronic applications requiring precision resistive elements. Substitute parts may be required due to inventory constraints, design upgrades for enhanced performance specifications, or application-specific requirements such as automotive qualification or increased power handling capability.

Substiute Parts

RGC0805FTC665R

Stackpole Electronics IncIn Stock: 805RGC0805FTC665R Datasheet

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ERJ-PB6B6650V

Panasonic Electronic ComponentsIn Stock: 870ERJ-PB6B6650V Datasheet

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ERJ-PB6D6650V

Panasonic Electronic ComponentsIn Stock: 5143ERJ-PB6D6650V Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RGC0805FTC665R must maintain electrical and mechanical compatibility based on the following criteria:

Mandatory Compatibility Parameters:

• Resistance value: 665 Ohms (exact match required)
• Package type: 0805 (2012 Metric) (physical and footprint compatibility)
• Temperature coefficient: ±50ppm/°C (thermal stability match)
• Operating temperature range: -55°C to 155°C (environmental compatibility)
• Composition: Thick Film (material consistency)
• RoHS3 Compliance (regulatory requirement)
• Moisture Sensitivity Level: 1 (handling and storage compatibility)

Allowable Parameter Variations:

• Tolerance: May be tighter (lower value) than ±1% without functional impact
• Power rating: May be higher than 0.125W without functional impact
• Additional features: Automotive qualification (AEC-Q200) and pulse withstanding capability are enhancements that do not affect base functionality

The substitute parts ERJ-PB6B6650V and ERJ-PB6D6650V from Panasonic Electronic Components meet all mandatory compatibility criteria while offering improved tolerance specifications and higher power ratings.

Parameter Comparison

Engineering Selection Recommendations

RGC0805FTC665R (Original): Select this part for standard applications where the specified tolerance of ±1% and power rating of 0.125W meet circuit requirements. This component is actively produced and maintains full ROHS3 compliance with unlimited moisture sensitivity rating.

ERJ-PB6B6650V (Substitute - Tightest Tolerance): Select this part when circuit design requires tolerance of ±0.1% or when automotive-grade reliability is specified. The AEC-Q200 qualification and pulse withstanding capability provide enhanced performance margins. Power rating of 0.25W accommodates higher dissipation scenarios. All regulatory and environmental specifications match the original part.

ERJ-PB6D6650V (Substitute - Mid-Range Tolerance): Select this part as a general-purpose substitute offering ±0.5% tolerance with doubled power rating (0.25W) and automotive qualification. This option provides a balance between performance enhancement and cost considerations. AEC-Q200 certification and pulse withstanding features are included. All regulatory and environmental specifications match the original part.

All substitute parts maintain identical package dimensions, thermal characteristics, and environmental operating ranges, ensuring direct footprint compatibility and thermal performance equivalence.

Frequently Asked Questions (FAQ)

Q: Can ERJ-PB6B6650V or ERJ-PB6D6650V be used as direct replacements for RGC0805FTC665R?

A: Yes. Both substitute parts maintain identical resistance value, package type (0805), temperature coefficient (±50ppm/°C), operating temperature range (-55°C to 155°C), and physical dimensions. All three parts are ROHS3 compliant with MSL rating of 1. The substitute parts offer improved tolerance specifications and higher power ratings, which do not negatively impact circuit functionality.

Q: What is the difference between ERJ-PB6B6650V and ERJ-PB6D6650V?

A: The primary difference is tolerance specification. ERJ-PB6B6650V provides ±0.1% tolerance, while ERJ-PB6D6650V provides ±0.5% tolerance. Both parts share identical power rating (0.25W), package type, thermal characteristics, and automotive qualification (AEC-Q200). Selection depends on circuit tolerance requirements.

Q: Are there physical dimension differences between the main part and substitutes?

A: No. All three parts use the 0805 (2012 Metric) package with identical length (0.079" / 2.00mm) and width (0.049" / 1.25mm). Height differences are minimal (0.024" for RGC0805FTC665R versus 0.028" for Panasonic parts), which do not affect PCB layout or assembly compatibility.

Q: Do the substitute parts require different handling or storage procedures?

A: No. All three parts share identical Moisture Sensitivity Level rating of 1 (Unlimited), indicating no special moisture control requirements during storage or handling. REACH and ECCN classifications are identical across all parts.

Q: Can I use ERJ-PB6B6650V in applications originally designed for RGC0805FTC665R?

A: Yes. The tighter tolerance (±0.1% versus ±1%) and higher power rating (0.25W versus 0.125W) of ERJ-PB6B6650V provide enhanced performance margins without introducing incompatibility. The part is suitable for applications requiring improved precision or higher thermal dissipation capacity.

Q: What is the significance of AEC-Q200 qualification on the substitute parts?

A: AEC-Q200 is an automotive industry qualification standard. Parts bearing this certification meet stringent reliability and performance requirements for automotive applications. If your application does not require automotive qualification, this feature provides additional quality assurance without introducing functional changes.