RG2012P-3400-C-T5 Equivalent & Substitute Parts

Part Overview

The RG2012P-3400-C-T5 is a 340 Ohm ±0.25% thin film chip resistor manufactured by Susumu in 0805 (2012 Metric) package format. This component is rated for 0.125W (1/8W) power dissipation and features anti-sulfur coating with AEC-Q200 automotive qualification. The part operates across -55°C to 155°C with a temperature coefficient of ±25ppm/°C.

The RG2012P-3400-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 production support.

Key Parameters

Parameter	Value
Resistance	340 Ohms
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-3400-C-T5 is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Resistance value: 340 Ohms (exact match required)
Package format: 0805 (2012 Metric)
Power rating: 0.125W minimum
Operating temperature range: -55°C to 155°C minimum
Composition: Thin film construction

Allowable Variation Parameters:

Tolerance: May be equal to or tighter than ±0.25%
Temperature coefficient: May be equal to or lower than ±25ppm/°C
Automotive qualification: AEC-Q200 preferred for direct replacement in automotive applications
Product status: Active products are preferred over obsolete classifications

Substitute parts are grouped into two categories:

Upgrade Substitutes (Susumu RG Series): These parts maintain identical mechanical and thermal specifications while offering improved tolerance and temperature coefficient performance. All remain within the 0805 package and 0.125W power rating.

Direct Substitutes (Alternative Manufacturers): These parts provide functional equivalence with identical or superior electrical specifications. The TE Connectivity 7-2176091-3 offers increased power rating (0.25W) while maintaining all other critical parameters. The YAGEO RT0805CRD07340RL provides direct electrical equivalence with identical tolerance and temperature coefficient.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Package	Status	AEC-Q200
RG2012P-3400-C-T5	Susumu	340 Ω	±0.25%	0.125	±25	0805	Obsolete	Yes
RG2012N-3400-B-T5	Susumu	340 Ω	±0.1%	0.125	±10	0805	Active	Yes
RG2012N-3400-W-T1	Susumu	340 Ω	±0.05%	0.125	±10	0805	Active	Yes
RG2012P-3400-B-T5	Susumu	340 Ω	±0.1%	0.125	±25	0805	Active	Yes
RG2012P-3400-W-T5	Susumu	340 Ω	±0.05%	0.125	±25	0805	Active	Yes
RG2012V-3400-B-T5	Susumu	340 Ω	±0.1%	0.125	±5	0805	Active	Yes
RG2012V-3400-P-T1	Susumu	340 Ω	±0.02%	0.125	±5	0805	Active	Yes
RG2012V-3400-W-T1	Susumu	340 Ω	±0.05%	0.125	±5	0805	Active	Yes
RG2012V-3400-W-T5	Susumu	340 Ω	±0.05%	0.125	±5	0805	Active	Yes
7-2176091-3	TE Connectivity	340 Ω	±0.1%	0.25	±25	0805	Active	No
RT0805CRD07340RL	YAGEO	340 Ω	±0.25%	0.125	±25	0805	Active	No

Engineering Selection Recommendations

For Direct Replacement (Automotive Applications):

The RG2012P-3400-B-T5 is the primary direct substitute. This Susumu part maintains identical mechanical dimensions, power rating, and temperature coefficient while offering improved tolerance (±0.1% versus ±0.25%). It retains AEC-Q200 automotive qualification and is in active production status.

For Enhanced Tolerance Requirements:

The RG2012P-3400-W-T5 provides ±0.05% tolerance with identical temperature coefficient and AEC-Q200 rating. This part is suitable for applications requiring tighter resistance accuracy while maintaining the same thermal performance as the original.

For Superior Temperature Stability:

The RG2012V series (RG2012V-3400-B-T5, RG2012V-3400-W-T1, RG2012V-3400-W-T5, RG2012V-3400-P-T1) offers temperature coefficients of ±5ppm/°C or ±10ppm/°C, compared to the original ±25ppm/°C. These parts are suitable for precision applications requiring reduced thermal drift. The RG2012V-3400-P-T1 provides the tightest tolerance specification (±0.02%) with ±5ppm/°C temperature coefficient.

For Non-Automotive Applications:

The YAGEO RT0805CRD07340RL provides electrical equivalence with identical tolerance and temperature coefficient specifications. This part is suitable for general-purpose applications where AEC-Q200 qualification is not required.

For Increased Power Margin:

The TE Connectivity 7-2176091-3 offers 0.25W (1/4W) power rating, providing additional thermal headroom. This part is suitable for applications where power dissipation margins require enhancement, though it lacks AEC-Q200 automotive qualification.

Frequently Asked Questions (FAQ)

Q: Can the RG2012P-3400-B-T5 be used as a direct replacement for the RG2012P-3400-C-T5?

A: Yes. Both parts share identical resistance (340 Ohms), package format (0805), power rating (0.125W), operating temperature range (-55°C to 155°C), and AEC-Q200 automotive qualification. The RG2012P-3400-B-T5 offers improved tolerance (±0.1% versus ±0.25%) and is in active production.

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

A: The primary difference is temperature coefficient. RG2012P series parts have ±25ppm/°C temperature coefficient, while RG2012V series parts have ±5ppm/°C. Both series maintain identical resistance values, package formats, and power ratings. The RG2012V series is suitable for applications requiring superior thermal stability.

Q: Is the TE Connectivity 7-2176091-3 suitable for automotive applications?

A: The 7-2176091-3 does not carry AEC-Q200 automotive qualification. It is suitable for general-purpose applications. For automotive applications, Susumu RG series parts with AEC-Q200 rating are recommended.

Q: Can I use the YAGEO RT0805CRD07340RL in place of the RG2012P-3400-C-T5?

A: Yes, for non-automotive applications. The YAGEO part provides identical electrical specifications (340 Ohms, ±0.25% tolerance, ±25ppm/°C temperature coefficient, 0.125W power rating) in the same 0805 package. However, it lacks AEC-Q200 automotive qualification.

Q: What does the tolerance specification mean for circuit performance?

A: Tolerance specifies the maximum deviation from the nominal 340 Ohm resistance value. A ±0.25% tolerance allows deviation of ±0.85 Ohms (range: 339.15 to 340.85 Ohms). A ±0.1% tolerance allows deviation of ±0.34 Ohms (range: 339.66 to 340.34 Ohms). Tighter tolerance specifications reduce circuit performance variation across production batches.

Q: What does temperature coefficient indicate?

A: Temperature coefficient specifies how resistance changes with temperature. A ±25ppm/°C specification means resistance changes by up to 25 parts per million per degree Celsius. Lower temperature coefficients (±5ppm/°C) indicate superior thermal stability and reduced resistance drift across the operating temperature range.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts are RoHS3 compliant and carry Moisture Sensitivity Level 1 (Unlimited), matching the original RG2012P-3400-C-T5 specifications.

Q: Can I substitute a 0.25W (1/4W) rated resistor for the 0.125W (1/8W) original?

A: Yes. A higher power rating provides additional thermal margin and is electrically compatible. The TE Connectivity 7-2176091-3 offers 0.25W rating in the same 0805 package. However, verify that circuit board layout and thermal design accommodate the slightly increased component height (0.65mm versus 0.50mm maximum seated height).

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