RG2012P-3741-C-T5 Equivalent & Substitute Parts

Part Overview

The RG2012P-3741-C-T5 is a 3.74 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 RG2012P-3741-C-T5 is classified as obsolete. Equivalent and substitute parts are available from Susumu's active product lines and alternative manufacturers, offering improved tolerance specifications, enhanced temperature stability, and continued availability for new designs and production requirements.

Key Parameters

Parameter	Value
Resistance	3.74 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-3741-C-T5 is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Resistance value: 3.74 kOhms (exact match required)
Package type: 0805 (2012 Metric) (exact match required)
Power rating: 0.125W minimum (equal or higher acceptable)
Operating temperature range: -55°C to 155°C minimum (equal or wider acceptable)
Composition: Thin film (maintains electrical characteristics)

Tolerance and Performance Parameters: Substitute parts are grouped by tolerance specification. Tighter tolerance values (±0.1%, ±0.05%, ±0.02%) represent upgrades from the original ±0.25% specification. Temperature coefficient values vary across substitute options, with lower coefficients (±5ppm/°C, ±10ppm/°C) providing superior temperature stability compared to the original ±25ppm/°C.

Certification and Compliance: All Susumu substitute parts maintain AEC-Q200 automotive qualification and anti-sulfur coating. Alternative manufacturer parts (TE Connectivity, YAGEO) provide equivalent electrical performance with ROHS3 compliance and identical package dimensions.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Status	AEC-Q200
RG2012P-3741-C-T5	Susumu	3.74 kΩ	±0.25%	0.125	±25	Obsolete	Yes
RG2012N-3741-B-T5	Susumu	3.74 kΩ	±0.1%	0.125	±10	Active	Yes
RG2012N-3741-W-T1	Susumu	3.74 kΩ	±0.05%	0.125	±10	Active	Yes
RG2012P-3741-B-T5	Susumu	3.74 kΩ	±0.1%	0.125	±25	Active	Yes
RG2012P-3741-W-T5	Susumu	3.74 kΩ	±0.05%	0.125	±25	Active	Yes
RG2012V-3741-B-T5	Susumu	3.74 kΩ	±0.1%	0.125	±5	Active	Yes
RG2012V-3741-P-T1	Susumu	3.74 kΩ	±0.02%	0.125	±5	Active	Yes
RG2012V-3741-W-T1	Susumu	3.74 kΩ	±0.05%	0.125	±5	Active	Yes
RG2012V-3741-W-T5	Susumu	3.74 kΩ	±0.05%	0.125	±5	Active	Yes
6-2176092-7	TE Connectivity	3.74 kΩ	±0.1%	0.25	±25	Active	No
RT0805CRD073K74L	YAGEO	3.74 kΩ	±0.25%	0.125	±25	Active	No

Engineering Selection Recommendations

Direct Replacement (Electrical and Mechanical Equivalence):

RT0805CRD073K74L (YAGEO) provides direct electrical and mechanical equivalence to the RG2012P-3741-C-T5. Both components share identical resistance (3.74 kOhms), tolerance (±0.25%), power rating (0.125W), temperature coefficient (±25ppm/°C), and package dimensions (0805). This part is active and ROHS3 compliant, suitable for applications where AEC-Q200 certification is not required.

Susumu Active Alternatives with Improved Tolerance:

RG2012P-3741-B-T5 and RG2012P-3741-W-T5 are active Susumu products maintaining the original ±25ppm/°C temperature coefficient while offering improved tolerance specifications (±0.1% and ±0.05% respectively). Both retain AEC-Q200 qualification and anti-sulfur coating, providing direct functional replacement with enhanced precision.

Susumu Active Alternatives with Enhanced Temperature Stability:

RG2012V series parts (RG2012V-3741-B-T5, RG2012V-3741-P-T1, RG2012V-3741-W-T1, RG2012V-3741-W-T5) offer superior temperature coefficient performance (±5ppm/°C) compared to the original ±25ppm/°C specification. These components are active, AEC-Q200 qualified, and available with tolerance options ranging from ±0.02% to ±0.1%, suitable for precision analog circuits requiring minimal temperature drift.

Higher Power Rating Alternative:

6-2176092-7 (TE Connectivity) provides doubled power rating (0.25W versus 0.125W) in identical 0805 package with matching resistance and tolerance. This part is suitable for applications requiring thermal margin or higher dissipation capability, though it lacks AEC-Q200 certification.

Selection Criteria:

For automotive applications requiring AEC-Q200 compliance, select from Susumu RG series alternatives. For general industrial applications where automotive qualification is not mandatory, YAGEO RT0805CRD073K74L or TE Connectivity 6-2176092-7 provide cost-effective alternatives. For precision applications with stringent temperature stability requirements, RG2012V series components deliver superior performance.

Frequently Asked Questions (FAQ)

Q: Can RT0805CRD073K74L replace RG2012P-3741-C-T5 in automotive applications?

A: RT0805CRD073K74L provides electrical and mechanical equivalence with identical resistance, tolerance, power rating, and temperature coefficient. However, it lacks AEC-Q200 automotive qualification. Use this part only in non-automotive applications or where automotive certification is not specified.

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

A: The primary difference is temperature coefficient. RG2012P series maintains ±25ppm/°C (matching the original part), while RG2012V series provides superior ±5ppm/°C stability. Both series are AEC-Q200 qualified and anti-sulfur coated. Select RG2012V for applications requiring minimal temperature-induced resistance drift.

Q: Is the TE Connectivity 6-2176092-7 a suitable replacement?

A: 6-2176092-7 is electrically equivalent but offers doubled power rating (0.25W). It is suitable for applications where higher thermal margin is beneficial. This part is not AEC-Q200 certified and lacks anti-sulfur coating, making it unsuitable for automotive applications.

Q: Can I use a higher tolerance part (±0.1% or ±0.05%) in place of the ±0.25% original?

A: Yes. Higher tolerance specifications (tighter tolerances) are direct upgrades. Parts with ±0.1% or ±0.05% tolerance will perform identically or better in any circuit designed for ±0.25% tolerance. No circuit redesign is required.

Q: What does the temperature coefficient value mean for my application?

A: Temperature coefficient indicates resistance change per degree Celsius. The original ±25ppm/°C means resistance changes approximately 0.0025% per °C. RG2012V series with ±5ppm/°C provides five times better stability across the -55°C to 155°C operating range. Select lower temperature coefficient values for precision analog circuits, measurement equipment, or applications with wide temperature operation.

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

A: Yes. All active substitute parts listed are available in Tape & Reel (TR) packaging suitable for automated assembly. The original RG2012P-3741-C-T5 was supplied in bulk packaging; active alternatives provide improved supply chain continuity with standard reel packaging.

Q: Do all substitute parts maintain the same physical dimensions?

A: All substitute parts use 0805 (2012 Metric) package with identical length (0.079" / 2.00mm) and width (0.049" / 1.25mm). Height varies slightly: original and most substitutes are 0.020" (0.50mm) maximum; TE Connectivity 6-2176092-7 is 0.026" (0.65mm) maximum. This minor height difference does not affect PCB layout compatibility for standard 0805 footprints.

Q: Which substitute part offers the best overall performance upgrade?

A: RG2012V-3741-P-T1 provides the highest performance specification with ±0.02% tolerance and ±5ppm/°C temperature coefficient, maintaining full AEC-Q200 automotive qualification and anti-sulfur coating. This part is suitable for precision applications requiring maximum accuracy and temperature stability.

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