RG1005P-7872-B-T1 Equivalent & Substitute Parts

Part Overview

RG1005P-7872-B-T1 is a 78.7 kOhm ±0.1% thin film chip resistor manufactured by Susumu in a 0402 (1005 Metric) package. This component features a temperature coefficient of ±25ppm/°C, Anti-Sulfur protection, and Automotive AEC-Q200 qualification. The product status is Obsolete, making it necessary to identify equivalent and substitute parts for new designs and production continuity.

Key Parameters

Parameter	Value
Resistance	78.7 kOhms
Tolerance	±0.1%
Power Rating	0.063W, 1/16W
Package / Case	0402 (1005 Metric)
Temperature Coefficient	±25ppm/°C
Composition	Thin Film
Operating Temperature	-55°C ~ 155°C
Features	Anti-Sulfur, Automotive AEC-Q200

Substitute Part Grouping Explanation

Substitute parts are categorized into Direct and Upgrade groups based on electrical and mechanical parameter matching:

Direct Substitutes maintain identical core electrical specifications: 78.7 kOhms resistance, ±0.1% tolerance, 0402 package, and ±25ppm/°C temperature coefficient. These parts provide functionally equivalent performance.

Upgrade Substitutes offer improved specifications while maintaining backward compatibility: tighter tolerance (±0.05%) or improved temperature coefficient (±10ppm/°C). These parts exceed the original specifications and can be used as drop-in replacements with enhanced performance margins.

Key substitution parameters include: Resistance value, Tolerance, Temperature Coefficient, Package size, Power rating, Operating temperature range, and Automotive qualification status.

Parameter Comparison

Part Number	Manufacturer	Type	Status	Resistance	Tolerance	Power	Temp Coeff	Package	Features	Inventory
RG1005P-7872-B-T1	Susumu	Original	Obsolete	78.7 kOhms	±0.1%	0.063W	±25ppm/°C	0402	Anti-Sulfur, AEC-Q200	780
RG1005P-7872-B-T5	Susumu	Direct	Active	78.7 kOhms	±0.1%	0.063W	±25ppm/°C	0402	Anti-Sulfur, AEC-Q200	828
CPF0402B78K7E1	TE Connectivity	Direct	Active	78.7 kOhms	±0.1%	0.063W	±25ppm/°C	0402	-	2552
ERA-2AEB7872X	Panasonic	Direct	Active	78.7 kOhms	±0.1%	0.063W	±25ppm/°C	0402	AEC-Q200	9978
MCS04020D7872BE100	Vishay	Direct	Active	78.7 kOhms	±0.1%	0.063W	±25ppm/°C	0402	Anti-Sulfur	1105
RT0402BRD0778K7L	YAGEO	Direct	Active	78.7 kOhms	±0.1%	0.063W	±25ppm/°C	0402	-	26849
TNPW040278K7BEED	Vishay Dale	Direct	Active	78.7 kOhms	±0.1%	0.13W	±25ppm/°C	0402	Anti-Sulfur, AEC-Q200	12083
RG1005N-7872-B-T5	Susumu	Upgrade	Active	78.7 kOhms	±0.1%	0.063W	±10ppm/°C	0402	Anti-Sulfur, AEC-Q200	1054
RG1005N-7872-W-T1	Susumu	Upgrade	Active	78.7 kOhms	±0.05%	0.063W	±10ppm/°C	0402	Anti-Sulfur, AEC-Q200	1101
RG1005P-7872-W-T5	Susumu	Upgrade	Active	78.7 kOhms	±0.05%	0.063W	±25ppm/°C	0402	Anti-Sulfur, AEC-Q200	950

Engineering Selection Recommendations

For Automotive Applications: ERA-2AEB7872X, TNPW040278K7BEED, RG1005P-7872-B-T5, RG1005N-7872-B-T5, RG1005N-7872-W-T1, and RG1005P-7872-W-T5 are AEC-Q200 qualified and suitable for automotive environments.

For Anti-Sulfur Requirements: MCS04020D7872BE100, TNPW040278K7BEED, and all Susumu RG series parts (RG1005P-7872-B-T5, RG1005N-7872-B-T5, RG1005N-7872-W-T1, RG1005P-7872-W-T5) provide anti-sulfur protection.

For High Availability: RT0402BRD0778K7L offers the highest inventory level at 26,849 pieces. TNPW040278K7BEED and ERA-2AEB7872X provide good availability with 12,083 and 9,978 pieces respectively.

For Enhanced Performance: RG1005N-7872-W-T1 provides both improved tolerance (±0.05%) and temperature coefficient (±10ppm/°C). RG1005N-7872-B-T5 offers improved temperature coefficient (±10ppm/°C) while maintaining ±0.1% tolerance.

All listed parts are ROHS3 Compliant with MSL-1 rating and maintain operating temperature range compatibility within -55°C ~ 125°C minimum to -55°C ~ 175°C maximum.

Frequently Asked Questions (FAQ)

What are the critical parameters for substituting RG1005P-7872-B-T1? The resistance value (78.7 kOhms), tolerance (±0.1% or tighter), package size (0402), and power rating (0.063W minimum) must match. Temperature coefficient should be ±25ppm/°C or better for equivalent thermal stability.

Can I use upgrade parts with tighter tolerances? Parts with ±0.05% tolerance (RG1005N-7872-W-T1, RG1005P-7872-W-T5) provide equal or better performance than ±0.1% tolerance parts and are electrically compatible substitutes.

Are all substitutes compatible with automotive applications? Only parts with AEC-Q200 qualification (RG1005P-7872-B-T5, RG1005N-7872-B-T5, RG1005N-7872-W-T1, RG1005P-7872-W-T5, ERA-2AEB7872X, TNPW040278K7BEED) meet automotive standards. CPF0402B78K7E1, MCS04020D7872BE100, and RT0402BRD0778K7L lack AEC-Q200 certification.

What is the significance of the temperature coefficient difference? Parts with ±10ppm/°C (RG1005N series) exhibit half the resistance drift per degree Celsius compared to ±25ppm/°C parts, providing improved stability over temperature variations.

Do all parts have the same physical dimensions? All listed parts use 0402 (1005 Metric) package with 1.00mm x 0.50mm footprint. Height variations exist: 0.35mm to 0.40mm maximum seated height, which is compatible with standard PCB assembly processes.

Which part offers the best combination of automotive qualification and anti-sulfur protection? TNPW040278K7BEED provides AEC-Q200 qualification, anti-sulfur protection, moisture resistance, and the highest power rating (0.13W) among direct substitutes, with extended operating temperature range up to 175°C.

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