RG2012P-392-C-T5 Equivalent & Substitute Parts

Part Overview

The RG2012P-392-C-T5 is a 3.9 kOhms ±0.25% thin film chip resistor in 0805 (2012 Metric) package rated for 0.125W (1/8W) power dissipation. 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 specifications where applicable.

Key Parameters

Parameter	Value
Resistance	3.9 kOhms
Tolerance	±0.25%
Power Rating	0.125W (1/8W)
Package	0805 (2012 Metric)
Composition	Thin Film
Temperature Coefficient	±25ppm/°C
Operating Temperature Range	-55°C to 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-392-C-T5 is determined by strict equivalence in the following parameters: resistance value (3.9 kOhms), power rating (0.125W), and package type (0805 / 2012 Metric). All substitute parts maintain these core electrical and mechanical specifications. Tolerance, temperature coefficient, and product status are secondary parameters that define upgrade or direct replacement categories.

Substitute parts are grouped into two categories:

Upgrade Substitutes (Susumu RG Series): Parts with improved tolerance (±0.1%, ±0.05%, ±0.02%) or lower temperature coefficient (±10ppm/°C, ±5ppm/°C) while maintaining the same package and power rating. These parts are active products with enhanced precision characteristics.

Direct Equivalent (Alternative Manufacturers): Parts from YAGEO (RT0805CRD073K9L) and Panasonic (ERA-6AEB392V) that match the original tolerance and temperature coefficient specifications while providing active product status and equivalent AEC-Q200 automotive qualification.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Package	Status	AEC-Q200
RG2012P-392-C-T5	Susumu	3.9 kΩ	±0.25%	0.125	±25	0805	Obsolete	Yes
RG2012N-392-B-T5	Susumu	3.9 kΩ	±0.1%	0.125	±10	0805	Active	Yes
RG2012N-392-W-T5	Susumu	3.9 kΩ	±0.05%	0.125	±10	0805	Active	Yes
RG2012P-392-B-T5	Susumu	3.9 kΩ	±0.1%	0.125	±25	0805	Active	Yes
RG2012P-392-W-T5	Susumu	3.9 kΩ	±0.05%	0.125	±25	0805	Active	Yes
RG2012V-392-B-T5	Susumu	3.9 kΩ	±0.1%	0.125	±5	0805	Active	Yes
RG2012V-392-P-T1	Susumu	3.9 kΩ	±0.02%	0.125	±5	0805	Active	Yes
RG2012V-392-W-T1	Susumu	3.9 kΩ	±0.05%	0.125	±5	0805	Active	Yes
RG2012V-392-W-T5	Susumu	3.9 kΩ	±0.05%	0.125	±5	0805	Active	Yes
RT0805CRD073K9L	YAGEO	3.9 kΩ	±0.25%	0.125	±25	0805	Active	No
ERA-6AEB392V	Panasonic	3.9 kΩ	±0.1%	0.125	±25	0805	Active	Yes

Engineering Selection Recommendations

Primary Recommendation - Susumu RG Series Upgrades:

For applications requiring active product status with maintained AEC-Q200 automotive qualification, the Susumu RG2012P-392-B-T5 (±0.1% tolerance, ±25ppm/°C) provides direct functional replacement with improved tolerance specification. This part maintains the original temperature coefficient while offering superior precision and active manufacturing status with 11,749 units in stock.

For applications requiring enhanced temperature stability, the Susumu RG2012V series (±5ppm/°C temperature coefficient) offers superior performance across the operating temperature range. The RG2012V-392-B-T5 (±0.1% tolerance) or RG2012V-392-W-T5 (±0.05% tolerance) are suitable for precision circuit applications.

For highest precision requirements, the RG2012V-392-P-T1 (±0.02% tolerance, ±5ppm/°C) provides the tightest tolerance specification available within the Susumu RG series.

Alternative Manufacturer Options:

The YAGEO RT0805CRD073K9L provides electrical equivalence with matching ±0.25% tolerance and ±25ppm/°C temperature coefficient. This part is active and ROHS3 compliant but does not carry AEC-Q200 automotive qualification.

The Panasonic ERA-6AEB392V offers ±0.1% tolerance with AEC-Q200 automotive qualification, suitable for applications requiring non-Susumu sourcing with maintained automotive reliability standards.

Frequently Asked Questions (FAQ)

Q: Can the RG2012P-392-C-T5 be directly replaced with any of the listed substitutes?

A: Yes. All listed substitute parts maintain the same 3.9 kOhms resistance, 0.125W power rating, and 0805 package dimensions. Direct mechanical and electrical substitution is possible. However, tolerance and temperature coefficient specifications differ; selection depends on circuit requirements.

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

A: The letter designation indicates temperature coefficient performance. RG2012P series has ±25ppm/°C, RG2012N series has ±10ppm/°C, and RG2012V series has ±5ppm/°C. All maintain the same package and power rating. The RG2012V series provides superior temperature stability.

Q: Does the YAGEO RT0805CRD073K9L meet automotive requirements?

A: The YAGEO RT0805CRD073K9L is ROHS3 compliant and electrically equivalent but does not carry AEC-Q200 automotive qualification. For automotive applications requiring AEC-Q200 certification, use Susumu RG series or Panasonic ERA-6AEB392V.

Q: What is the significance of tolerance grades (±0.25%, ±0.1%, ±0.05%, ±0.02%)?

A: Tolerance defines the maximum deviation from the nominal 3.9 kOhms resistance value. Tighter tolerance (lower percentage) provides more precise resistance values. Selection depends on circuit sensitivity to resistance variation. The original ±0.25% specification is suitable for general applications; ±0.1% or better is required for precision analog circuits.

Q: Are all substitute parts available in the same packaging format?

A: Susumu RG series substitutes are supplied in Tape & Reel (TR) packaging. The YAGEO RT0805CRD073K9L is supplied in Tape & Reel (TR). The Panasonic ERA-6AEB392V is supplied in Cut Tape (CT). Verify packaging compatibility with assembly equipment requirements.

Q: What is the height difference between the original part and substitutes?

A: The RG2012P-392-C-T5 has a maximum seated height of 0.020" (0.50mm). YAGEO RT0805CRD073K9L and Panasonic ERA-6AEB392V have maximum seated heights of 0.024" (0.60mm) and 0.024" (0.60mm) respectively. This 0.004" (0.10mm) difference is within typical PCB assembly tolerances but should be verified for applications with height constraints.

Q: Can I use a higher tolerance part in place of the original ±0.25% specification?

A: No. Substituting a lower tolerance part (e.g., ±0.1%) for a ±0.25% specification is acceptable as it provides tighter tolerance. Substituting a higher tolerance part (e.g., ±0.5%) for a ±0.25% specification violates the original design specification and is not recommended.

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