RG2012P-7870-B-T1 Equivalent & Substitute Parts

Part Overview

The RG2012P-7870-B-T1 is a 787 Ohms ±0.1% thin film chip resistor in 0805 (2012 Metric) package rated for 0.125W (1/8W) power dissipation. This component is designed for automotive applications with AEC-Q200 qualification and anti-sulfur construction. The part is currently classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design support and procurement continuity. Active alternatives with identical or enhanced electrical characteristics are available from both the original manufacturer Susumu and qualified cross-manufacturer sources.

Key Parameters

Parameter	Value	Specification Basis
Resistance	787 Ohms	Core electrical requirement
Tolerance	±0.1%	Precision specification
Power Rating	0.125W (1/8W)	Thermal design requirement
Package	0805 (2012 Metric)	PCB footprint compatibility
Composition	Thin Film	Temperature coefficient and stability
Operating Temperature	-55°C ~ 155°C	Environmental operating range
Automotive Rating	AEC-Q200	Automotive qualification requirement
RoHS Status	ROHS3 Compliant	Environmental compliance

Substitute Part Grouping Explanation

Substitution eligibility for the RG2012P-7870-B-T1 is determined by the following mandatory parameters:

Core Electrical Parameters (Non-Negotiable):

Resistance value: 787 Ohms
Package type: 0805 (2012 Metric)
Composition: Thin Film
Operating temperature range: -55°C ~ 155°C minimum

Tolerance and Performance Parameters (Substitution Criteria):

Tolerance: ±0.1% or tighter (±0.05%, ±0.02% acceptable as upgrades)
Power rating: 0.125W minimum (0.25W acceptable as upgrade)
Temperature coefficient: ±25ppm/°C or better (±10ppm/°C, ±5ppm/°C acceptable as upgrades)

Compliance Parameters (Required for Automotive Applications):

AEC-Q200 automotive qualification
RoHS3 compliance
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts are classified into two categories:

Direct Substitutes: Identical electrical specifications and packaging. Interchangeable without circuit redesign. Includes RG2012P-7870-B-T5 (same Susumu series, tape & reel packaging variant).

Upgrade Substitutes: Enhanced specifications (tighter tolerance, lower temperature coefficient, higher power rating) while maintaining core compatibility. Includes Susumu RG2012N and RG2012V series variants, and cross-manufacturer alternatives (TE Connectivity 2176092-8, Panasonic ERA-6AEB7870V).

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Status	Packaging	AEC-Q200
RG2012P-7870-B-T1	Susumu	787 Ω	±0.1%	0.125	±25	Obsolete	Bulk	Yes
RG2012P-7870-B-T5	Susumu	787 Ω	±0.1%	0.125	±25	Active	Tape & Reel	Yes
RG2012N-7870-B-T5	Susumu	787 Ω	±0.1%	0.125	±10	Active	Tape & Reel	Yes
RG2012N-7870-W-T1	Susumu	787 Ω	±0.05%	0.125	±10	Active	Tape & Reel	Yes
RG2012P-7870-W-T5	Susumu	787 Ω	±0.05%	0.125	±25	Active	Tape & Reel	Yes
RG2012V-7870-B-T5	Susumu	787 Ω	±0.1%	0.125	±5	Active	Tape & Reel	Yes
RG2012V-7870-P-T1	Susumu	787 Ω	±0.02%	0.125	±5	Active	Tape & Reel	Yes
RG2012V-7870-W-T1	Susumu	787 Ω	±0.05%	0.125	±5	Active	Tape & Reel	Yes
RG2012V-7870-W-T5	Susumu	787 Ω	±0.05%	0.125	±5	Active	Tape & Reel	Yes
2176092-8	TE Connectivity	787 Ω	±0.1%	0.25	±25	Active	Tape & Reel	No
ERA-6AEB7870V	Panasonic	787 Ω	±0.1%	0.125	±25	Active	Tape & Reel	Yes

Engineering Selection Recommendations

Primary Direct Substitute: RG2012P-7870-B-T5 is the recommended direct replacement for RG2012P-7870-B-T1. Both components share identical electrical specifications (787 Ω, ±0.1%, 0.125W, ±25ppm/°C) and are manufactured by Susumu with AEC-Q200 automotive qualification. The only difference is packaging format (tape & reel versus bulk), which does not affect electrical performance. This part is active and maintains full inventory availability (1066 pcs).

Preferred Upgrade Substitutes (Susumu Series): For applications requiring enhanced stability and precision, the Susumu RG2012V series provides superior temperature coefficient performance (±5ppm/°C versus ±25ppm/°C). RG2012V-7870-B-T5 maintains the ±0.1% tolerance specification while offering improved thermal stability. RG2012V-7870-W-T1 and RG2012V-7870-W-T5 provide tighter tolerance (±0.05%) with the same thermal advantages. All RG2012V variants are active, AEC-Q200 qualified, and maintain adequate inventory levels.

Alternative Upgrade (Tighter Tolerance): RG2012N-7870-W-T1 offers ±0.05% tolerance with ±10ppm/°C temperature coefficient, suitable for precision analog circuits. This part is active with 969 pcs inventory.

Cross-Manufacturer Alternative: ERA-6AEB7870V (Panasonic) provides electrical equivalence to the original part (787 Ω, ±0.1%, 0.125W, ±25ppm/°C, AEC-Q200). This option is suitable when Susumu supply is constrained, with significantly higher inventory availability (15772 pcs).

Not Recommended for Direct Substitution: 2176092-8 (TE Connectivity) differs in power rating (0.25W versus 0.125W) and lacks AEC-Q200 automotive qualification. This part is suitable only for non-automotive applications or where higher power dissipation is required.

Frequently Asked Questions (FAQ)

Q: Can RG2012P-7870-B-T5 replace RG2012P-7870-B-T1 in automotive applications?

A: Yes. RG2012P-7870-B-T5 is a direct electrical equivalent with identical specifications (787 Ω, ±0.1%, 0.125W, ±25ppm/°C) and maintains AEC-Q200 automotive qualification. The only difference is packaging format (tape & reel). No circuit redesign is required.

Q: What is the difference between RG2012P, RG2012N, and RG2012V series?

A: These designations indicate different performance grades within the Susumu RG2012 family. The P-series has ±25ppm/°C temperature coefficient, N-series has ±10ppm/°C, and V-series has ±5ppm/°C. All three series are available in 787 Ω with ±0.1% tolerance and AEC-Q200 qualification. Selection depends on thermal stability requirements.

Q: Is ERA-6AEB7870V suitable for automotive applications?

A: Yes. ERA-6AEB7870V is AEC-Q200 qualified and provides electrical equivalence to RG2012P-7870-B-T1 (787 Ω, ±0.1%, 0.125W, ±25ppm/°C). This Panasonic component is an acceptable alternative when Susumu parts are unavailable.

Q: Why is 2176092-8 listed as a substitute if it has different specifications?

A: 2176092-8 is listed as a cross-reference option due to matching resistance value and package, but it is not a direct substitute. The 0.25W power rating (versus 0.125W) and absence of AEC-Q200 qualification make it unsuitable for automotive applications matching the original specification. Use only in non-automotive circuits or where higher power dissipation is required.

Q: Can I use a ±0.05% tolerance part (RG2012N-7870-W-T1) in place of the ±0.1% original?

A: Yes. Tighter tolerance specifications are backward compatible. A ±0.05% part meets all requirements of a ±0.1% specification. This represents an upgrade in precision with no negative impact on circuit performance.

Q: What does MSL 1 (Unlimited) mean for moisture sensitivity?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. This simplifies logistics and reduces component preparation requirements compared to higher MSL ratings.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts are RoHS3 compliant, matching the environmental compliance requirement of the original RG2012P-7870-B-T1.

Q: What is the significance of the T1 and T5 designations in part numbers?

A: T1 and T5 designations indicate packaging tape specifications for automated assembly. T1 and T5 refer to different tape formats used in pick-and-place equipment. Both are functionally equivalent; selection depends on assembly equipment compatibility.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message