RG2012P-4870-C-T5 Equivalent & Substitute Parts

Part Overview

The RG2012P-4870-C-T5 is a 487 Ohm ±0.25% thin film chip resistor in 0805 (2012 Metric) package rated for 0.125W (1/8W) power dissipation. This component features anti-sulfur coating and automotive AEC-Q200 qualification, designed for high-reliability applications in temperature ranges from -55°C to 155°C. The part is currently classified as obsolete, necessitating identification of active equivalent and substitute components that maintain electrical and mechanical compatibility while offering improved performance characteristics or continued availability.

Key Parameters

Parameter	Value
Resistance	487 Ohms
Tolerance	±0.25%
Power Rating	0.125W (1/8W)
Package	0805 (2012 Metric)
Composition	Thin Film
Features	Anti-Sulfur, Automotive AEC-Q200
Operating Temperature	-55°C to 155°C
Temperature Coefficient	±25ppm/°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the RG2012P-4870-C-T5 is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Resistance value: 487 Ohms (exact match required)
Package type: 0805 (2012 Metric) (physical and electrical footprint compatibility)
Power rating: 0.125W minimum (equal or higher rating acceptable)
Operating temperature range: -55°C to 155°C minimum (equal or wider range acceptable)
Composition: Thin film (maintains electrical characteristics)

Performance Enhancement Parameters:

Tolerance: ±0.25% or tighter (tighter tolerance represents upgrade)
Temperature coefficient: ±25ppm/°C or lower (lower coefficient represents upgrade)
Automotive qualification: AEC-Q200 (maintains reliability standard)
Product status: Active preferred over obsolete

Substitute parts are grouped into two categories:

Upgrade Substitutes (Susumu RG Series): Active Susumu components with identical resistance, package, and power rating but offering improved tolerance (±0.1% to ±0.05%), lower temperature coefficients (±10ppm/°C to ±5ppm/°C), and active product status.

Direct Substitutes (Alternative Manufacturers): Components from TE Connectivity and YAGEO with matching 487 Ohm resistance and 0805 package, maintaining electrical specifications while providing alternative sourcing.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	Status	AEC-Q200
RG2012P-4870-C-T5	Susumu	487 Ω	±0.25%	0.125	±25	-55 to 155	Obsolete	Yes
RG2012N-4870-B-T5	Susumu	487 Ω	±0.1%	0.125	±10	-55 to 155	Active	Yes
RG2012N-4870-W-T1	Susumu	487 Ω	±0.05%	0.125	±10	-55 to 155	Active	Yes
RG2012P-4870-B-T5	Susumu	487 Ω	±0.1%	0.125	±25	-55 to 155	Active	Yes
RG2012P-4870-W-T5	Susumu	487 Ω	±0.05%	0.125	±25	-55 to 155	Active	Yes
RG2012V-4870-B-T5	Susumu	487 Ω	±0.1%	0.125	±5	-55 to 155	Active	Yes
RG2012V-4870-P-T1	Susumu	487 Ω	±0.02%	0.125	±5	-55 to 155	Active	Yes
RG2012V-4870-W-T1	Susumu	487 Ω	±0.05%	0.125	±5	-55 to 155	Active	Yes
RG2012V-4870-W-T5	Susumu	487 Ω	±0.05%	0.125	±5	-55 to 155	Active	Yes
8-2176091-8	TE Connectivity	487 Ω	±0.1%	0.25	±25	-55 to 155	Active	No
RT0805CRD07487RL	YAGEO	487 Ω	±0.25%	0.125	±25	-55 to 155	Active	No

Engineering Selection Recommendations

Primary Recommendation - Susumu RG Series Upgrades:

The Susumu RG2012 series provides direct functional upgrades to the obsolete RG2012P-4870-C-T5. All upgrade options maintain identical 487 Ohm resistance, 0805 package, 0.125W power rating, and -55°C to 155°C operating temperature range while offering improved tolerance and temperature coefficient specifications. All upgrade parts retain AEC-Q200 automotive qualification and ROHS3 compliance.

RG2012P-4870-B-T5: Tighter tolerance (±0.1%) with active product status. Maintains ±25ppm/°C temperature coefficient matching the original specification.
RG2012P-4870-W-T5: Enhanced tolerance (±0.05%) with active product status. Maintains ±25ppm/°C temperature coefficient.
RG2012V-4870-B-T5: Improved tolerance (±0.1%) with superior temperature coefficient (±5ppm/°C) and active status.
RG2012V-4870-W-T5: Enhanced tolerance (±0.05%) with superior temperature coefficient (±5ppm/°C) and active status.
RG2012V-4870-P-T1: Highest precision tolerance (±0.02%) with superior temperature coefficient (±5ppm/°C) for applications requiring maximum accuracy.

Alternative Sourcing - Non-Susumu Options:

RT0805CRD07487RL (YAGEO): Matches original specifications exactly (487 Ω, ±0.25%, 0.125W, ±25ppm/°C). Active product status enables continued sourcing. ROHS3 compliant. Does not carry AEC-Q200 automotive qualification.
8-2176091-8 (TE Connectivity): Provides 487 Ω, ±0.1% tolerance with higher power rating (0.25W). Active status supports availability. Not RoHS compliant and lacks AEC-Q200 qualification.

Selection Criteria:

For applications requiring maintained automotive qualification and compliance: Select from Susumu RG2012 upgrade series.

For applications where automotive qualification is not required: RT0805CRD07487RL provides direct electrical equivalence with active availability.

For applications requiring higher power dissipation capability: 8-2176091-8 offers 0.25W rating, though compliance certifications differ from original specification.

Frequently Asked Questions (FAQ)

Q: Can RG2012P-4870-B-T5 directly replace RG2012P-4870-C-T5 in existing designs?

A: Yes. Both components share identical 487 Ohm resistance, 0.125W power rating, 0805 package, and -55°C to 155°C operating temperature range. The RG2012P-4870-B-T5 provides improved tolerance (±0.1% versus ±0.25%) and maintains AEC-Q200 qualification. No circuit redesign is required.

Q: What is the difference between RG2012P and RG2012V series?

A: The RG2012V series offers superior temperature coefficient performance (±5ppm/°C) compared to RG2012P series (±25ppm/°C). Both series maintain identical resistance, power rating, and package specifications. Selection depends on temperature stability requirements of the application.

Q: Is the TE Connectivity 8-2176091-8 suitable for automotive applications?

A: The 8-2176091-8 is not AEC-Q200 qualified and is not RoHS compliant. While electrically compatible in terms of resistance and tolerance, it does not meet automotive reliability standards. Use only in non-automotive applications or where automotive qualification is not required.

Q: Why does the YAGEO RT0805CRD07487RL have different physical dimensions than the Susumu parts?

A: The RT0805CRD07487RL has a maximum seated height of 0.024" (0.60mm) compared to 0.020" (0.50mm) for Susumu parts. Both fit the 0805 package footprint. Verify PCB clearance in applications with height constraints.

Q: Can I use RG2012V-4870-P-T1 in place of RG2012P-4870-C-T5?

A: Yes. The RG2012V-4870-P-T1 provides superior performance with ±0.02% tolerance and ±5ppm/°C temperature coefficient. It maintains identical 487 Ohm resistance, 0.125W power rating, 0805 package, and AEC-Q200 qualification. This represents a direct upgrade with enhanced precision.

Q: What is the significance of the tolerance specification in resistor selection?

A: Tolerance defines the acceptable deviation from the nominal resistance value. The original ±0.25% specification allows resistance values between 485.79 Ohms and 488.21 Ohms. Tighter tolerances (±0.1%, ±0.05%, ±0.02%) reduce this deviation range, improving circuit accuracy. Selection depends on circuit requirements for precision.

Q: Are all substitute parts available in Tape & Reel packaging?

A: Yes. All listed substitute parts are supplied in Tape & Reel (TR) packaging, suitable for automated assembly processes. The original RG2012P-4870-C-T5 packaging specification was not provided; verify packaging compatibility with assembly equipment.

Q: What does AEC-Q200 qualification mean?

A: AEC-Q200 is an automotive electronics council standard certifying component reliability for automotive applications. It specifies qualification testing for temperature cycling, moisture resistance, and long-term stability. Components with this qualification are suitable for automotive use; components without it are not recommended for automotive applications.

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