RG2012P-3923-C-T5 Equivalent & Substitute Parts

Part Overview

The RG2012P-3923-C-T5 is a 392 kOhms ±0.25% 0.125W (1/8W) thin film chip resistor in 0805 (2012 Metric) package manufactured by Susumu. This component features anti-sulfur coating and automotive AEC-Q200 qualification, suitable for high-reliability applications across -55°C to 155°C operating temperature range. The part is currently obsolete, necessitating identification of equivalent and substitute components that maintain electrical and mechanical compatibility while offering active product status and improved performance characteristics.

Key Parameters

Parameter	Value
Resistance	392 kOhms
Tolerance	±0.25%
Power Rating	0.125W (1/8W)
Package	0805 (2012 Metric)
Composition	Thin Film
Operating Temperature	-55°C ~ 155°C
Features	Anti-Sulfur, Automotive AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the RG2012P-3923-C-T5 is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters (Must Match):

Resistance value: 392 kOhms
Package type: 0805 (2012 Metric)
Power rating: 0.125W (1/8W)
Composition: Thin Film
Operating temperature range: -55°C ~ 155°C minimum
RoHS3 compliance

Allowable Variation Parameters:

Tolerance: ±0.25% or tighter (±0.1%, ±0.05%)
Temperature coefficient: ±25ppm/°C or better (±15ppm/°C, ±10ppm/°C)
Automotive AEC-Q200 rating: Present or absent (not a limiting factor for substitution)

Substitute parts are grouped into three categories based on tolerance specification:

Tolerance ±0.25% (Direct Equivalents): Parts matching the original tolerance specification.

Tolerance ±0.1% (Upgrade Substitutes): Parts with improved tolerance performance while maintaining all other critical parameters.

Tolerance ±0.05% (Premium Upgrade Substitutes): Parts with superior tolerance performance for applications requiring tighter resistance control.

Power Rating Variation: The 5-2176094-0 (TE Connectivity) offers 0.25W (1/4W) rating in the same package, suitable for applications with higher power dissipation requirements.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	AEC-Q200	Product Status
RG2012P-3923-C-T5	Susumu	392 kΩ	±0.25%	0.125	±25	-55 ~ 155	Yes	Obsolete
RG2012N-3923-B-T5	Susumu	392 kΩ	±0.1%	0.125	±10	-55 ~ 155	Yes	Active
RG2012N-3923-W-T1	Susumu	392 kΩ	±0.05%	0.125	±10	-55 ~ 155	Yes	Active
RG2012P-3923-B-T5	Susumu	392 kΩ	±0.1%	0.125	±25	-55 ~ 155	Yes	Active
RG2012P-3923-W-T5	Susumu	392 kΩ	±0.05%	0.125	±25	-55 ~ 155	Yes	Active
5-2176094-0	TE Connectivity Passive Product	392 kΩ	±0.1%	0.25	±25	-55 ~ 155	No	Active
RT0805CRD07392KL	YAGEO	392 kΩ	±0.25%	0.125	±25	-55 ~ 155	No	Active
ERA-6AEB3923V	Panasonic Electronic Components	392 kΩ	±0.1%	0.125	±25	-55 ~ 155	Yes	Active
MCU08050D3923BP100	Vishay Beyschlag/Draloric/BC Components	392 kΩ	±0.1%	0.125	±25	-55 ~ 125	No	Active
RP73D2A392KBTDF	TE Connectivity Passive Product	392 kΩ	±0.1%	0.125	±15	-55 ~ 155	No	Active
RT0805BRD07392KL	YAGEO	392 kΩ	±0.1%	0.125	±25	-55 ~ 155	No	Active

Engineering Selection Recommendations

Primary Substitutes (Susumu RG Series - Same Manufacturer):

The Susumu RG series substitutes maintain manufacturer continuity and automotive AEC-Q200 qualification. RG2012P-3923-B-T5 and RG2012P-3923-W-T5 are active products offering improved tolerance specifications (±0.1% and ±0.05% respectively) while preserving the original temperature coefficient and operating range. These components are recommended for direct replacement in existing designs without layout modification.

Secondary Substitutes (Multi-Manufacturer Options):

RT0805CRD07392KL (YAGEO) provides direct tolerance equivalence (±0.25%) with active product status. ERA-6AEB3923V (Panasonic) offers automotive AEC-Q200 qualification with ±0.1% tolerance. RP73D2A392KBTDF (TE Connectivity) delivers improved temperature coefficient (±15ppm/°C) with ±0.1% tolerance. RT0805BRD07392KL (YAGEO) provides ±0.1% tolerance with established supply availability.

Special Consideration:

MCU08050D3923BP100 (Vishay) operates to 125°C maximum, which is below the original specification of 155°C. This part is suitable only for applications with maximum operating temperature not exceeding 125°C.

5-2176094-0 (TE Connectivity) features 0.25W power rating in the same 0805 package. This part accommodates higher power dissipation requirements while maintaining all other critical parameters.

Compliance Status:

All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating. REACH status is either "REACH Unaffected" or "Vendor Undefined," consistent with the original component classification.

Frequently Asked Questions (FAQ)

Q: Can I substitute RG2012P-3923-C-T5 with a part having tighter tolerance?

A: Yes. Parts with ±0.1% or ±0.05% tolerance are direct substitutes, as tighter tolerance represents improved performance within the same electrical and mechanical specifications. RG2012P-3923-B-T5 (±0.1%) and RG2012P-3923-W-T5 (±0.05%) are Susumu alternatives. ERA-6AEB3923V, RP73D2A392KBTDF, and RT0805BRD07392KL offer ±0.1% tolerance from alternative manufacturers.

Q: What is the significance of the temperature coefficient specification?

A: Temperature coefficient indicates resistance change per degree Celsius. The original part specifies ±25ppm/°C. Substitutes with ±15ppm/°C or ±10ppm/°C provide superior stability across the operating temperature range. This parameter does not restrict substitution but indicates performance enhancement.

Q: Is automotive AEC-Q200 qualification required for substitution?

A: AEC-Q200 qualification is not a limiting substitution criterion. The original part includes this rating; however, non-qualified alternatives (RT0805CRD07392KL, RP73D2A392KBTDF, RT0805BRD07392KL, MCU08050D3923BP100) are electrically and mechanically compatible. Selection depends on application requirements for automotive qualification.

Q: Can I use 5-2176094-0 as a substitute despite its 0.25W power rating?

A: 5-2176094-0 is mechanically and electrically compatible in the 0805 package with matching resistance and tolerance. The higher power rating (0.25W versus 0.125W) does not prevent substitution; it accommodates applications with greater power dissipation. Physical dimensions remain within specification. Verify circuit design accommodates the slightly increased component height (0.026" versus 0.020" maximum).

Q: Why is MCU08050D3923BP100 limited to 125°C maximum operating temperature?

A: MCU08050D3923BP100 specifies -55°C to 125°C operating range, which is narrower than the original -55°C to 155°C specification. This part is suitable only for applications where maximum operating temperature does not exceed 125°C. Verify thermal requirements before selection.

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

A: Yes. All listed substitute parts are supplied in Tape & Reel (TR) packaging, consistent with the original component packaging format for automated assembly processes.

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

A: Both RG2012N and RG2012P are Susumu thin film resistor series in 0805 package. The designation difference reflects internal product line classification. Both series maintain identical mechanical compatibility and operating specifications for the 392 kOhms value.

Q: Can I mix substitute parts from different manufacturers in the same assembly?

A: Yes. All substitute parts meet identical electrical specifications (392 kOhms, 0.125W, 0805 package, -55°C to 155°C operating range) and mechanical requirements. Multi-source procurement is supported by the parameter compatibility across manufacturers.

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