RG2012P-1400-C-T5 Equivalent & Substitute Parts

Part Overview

The RG2012P-1400-C-T5 is a 140 Ohm ±0.25% thin film chip resistor in 0805 (2012 Metric) package rated for 0.125W (1/8W) power dissipation. This component is manufactured by Susumu and features anti-sulfur coating with automotive AEC-Q200 qualification. The part is currently classified as obsolete, necessitating identification of active equivalent and substitute components that maintain electrical and mechanical compatibility while offering improved performance characteristics or enhanced availability.

Key Parameters

Parameter	Value
Resistance	140 Ohms
Tolerance	±0.25%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 Metric)
Composition	Thin Film
Operating Temperature Range	-55°C ~ 155°C
Temperature Coefficient	±25ppm/°C
Features	Anti-Sulfur, Automotive AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the RG2012P-1400-C-T5 is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Resistance value: 140 Ohms (exact match required)
Package / Case: 0805 (2012 Metric) (physical and electrical footprint compatibility)
Composition: Thin Film (electrical performance characteristics)
Operating Temperature Range: -55°C ~ 155°C (minimum requirement)
RoHS Status: ROHS3 Compliant (regulatory requirement)

Allowable Variation Parameters:

Tolerance: Can be equal to or tighter than ±0.25% (improved precision acceptable)
Power Rating: Can be equal to or greater than 0.125W (increased power handling acceptable)
Temperature Coefficient: Can be equal to or lower in absolute value (improved stability acceptable)
Automotive Rating: AEC-Q200 qualification preferred but not mandatory for all substitute categories

Substitute parts are grouped into two categories: Upgrade substitutes (Susumu RG series with improved specifications) and Direct substitutes (alternative manufacturers with equivalent specifications).

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	AEC-Q200	Product Status	Inventory
RG2012P-1400-C-T5	Susumu	140 Ω	±0.25%	0.125	±25	Yes	Obsolete	990 Pcs
RG2012N-1400-B-T5	Susumu	140 Ω	±0.1%	0.125	±10	Yes	Active	634 Pcs
RG2012N-1400-W-T1	Susumu	140 Ω	±0.05%	0.125	±10	Yes	Active	1176 Pcs
RG2012P-1400-B-T5	Susumu	140 Ω	±0.1%	0.125	±25	Yes	Active	53650 Pcs
RG2012P-1400-W-T5	Susumu	140 Ω	±0.05%	0.125	±25	Yes	Active	1157 Pcs
RG2012V-1400-B-T5	Susumu	140 Ω	±0.1%	0.125	±5	Yes	Active	699 Pcs
RG2012V-1400-P-T1	Susumu	140 Ω	±0.02%	0.125	±5	Yes	Active	853 Pcs
RG2012V-1400-W-T1	Susumu	140 Ω	±0.05%	0.125	±5	Yes	Active	664 Pcs
RG2012V-1400-W-T5	Susumu	140 Ω	±0.05%	0.125	±5	Yes	Active	1185 Pcs
3-2176091-8	TE Connectivity	140 Ω	±0.1%	0.25	±25	No	Active	4915 Pcs
RT0805CRD07140RL	YAGEO	140 Ω	±0.25%	0.125	±25	No	Active	890 Pcs

Engineering Selection Recommendations

Primary Recommendation: RG2012P-1400-B-T5 (Susumu)

The RG2012P-1400-B-T5 is the preferred direct upgrade substitute. It maintains identical mechanical compatibility (0805 package), electrical specifications (140 Ohms, 0.125W), and automotive qualification (AEC-Q200). The tolerance is improved to ±0.1% while maintaining the same ±25ppm/°C temperature coefficient as the original part. Product status is active with substantial inventory availability (53,650 Pcs), ensuring supply chain continuity.

Secondary Recommendation: RG2012V-1400-B-T5 (Susumu)

For applications requiring enhanced temperature stability, the RG2012V-1400-B-T5 offers superior performance with ±5ppm/°C temperature coefficient while maintaining ±0.1% tolerance and full AEC-Q200 compliance. All mechanical and electrical parameters remain compatible with the original specification.

Alternative Recommendation: RT0805CRD07140RL (YAGEO)

The YAGEO RT0805CRD07140RL provides direct electrical equivalence with matching ±0.25% tolerance and ±25ppm/°C temperature coefficient. This part maintains 0805 package compatibility and identical power rating. While not AEC-Q200 rated, it is ROHS3 compliant and suitable for non-automotive applications requiring the original performance envelope.

Higher Power Alternative: 3-2176091-8 (TE Connectivity)

The TE Connectivity 3-2176091-8 offers increased power handling capability (0.25W versus 0.125W) in the same 0805 package with ±0.1% tolerance. This part is suitable for applications where thermal margin improvement is beneficial, though it lacks automotive AEC-Q200 qualification.

Frequently Asked Questions (FAQ)

Q: Can RG2012P-1400-B-T5 be used as a direct replacement for RG2012P-1400-C-T5?

A: Yes. Both parts share identical resistance (140 Ohms), package (0805), power rating (0.125W), operating temperature range (-55°C ~ 155°C), and AEC-Q200 automotive qualification. The RG2012P-1400-B-T5 provides improved tolerance (±0.1% versus ±0.25%) and is currently in active production with full inventory availability.

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

A: The primary difference is temperature coefficient stability. RG2012P series has ±25ppm/°C while RG2012V series has ±5ppm/°C, providing superior frequency and temperature stability. Both series maintain identical resistance values, package dimensions, and power ratings. Selection depends on application requirements for thermal drift performance.

Q: Is the TE Connectivity 3-2176091-8 suitable for automotive applications?

A: The 3-2176091-8 is not AEC-Q200 rated. While it maintains electrical compatibility (140 Ohms, ±0.1% tolerance, ±25ppm/°C) and mechanical compatibility (0805 package), it lacks automotive qualification. Use this part only in non-automotive applications or where automotive certification is not required.

Q: Why does the YAGEO RT0805CRD07140RL have different height specifications?

A: The YAGEO part specifies maximum seated height of 0.024" (0.60mm) compared to 0.020" (0.50mm) for Susumu parts. This minor dimensional variation remains within typical PCB assembly tolerances for 0805 components and does not affect electrical performance or standard footprint compatibility.

Q: Can I substitute a 0.25W rated resistor (3-2176091-8) in place of a 0.125W rated resistor?

A: Yes, from an electrical standpoint. Higher power-rated components can be used in applications designed for lower power dissipation. The 3-2176091-8 provides additional thermal margin and reliability headroom. However, verify that PCB layout and thermal management accommodate the slightly different physical dimensions (0.026" height versus 0.020").

Q: What does the tolerance specification (±0.25%, ±0.1%, ±0.05%, ±0.02%) mean for circuit performance?

A: Tolerance specifies the maximum deviation of actual resistance from the nominal 140 Ohm value. Tighter tolerance (lower percentage) ensures more precise resistance values across production batches. For precision analog circuits, signal conditioning, or reference networks, tighter tolerance parts (±0.05% or ±0.02%) reduce circuit calibration drift and improve overall system accuracy.

Q: Are all listed substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed carry ROHS3 compliance certification. The original RG2012P-1400-C-T5 and all active Susumu alternatives (RG2012N and RG2012V series) are ROHS3 compliant. The TE Connectivity 3-2176091-8 and YAGEO RT0805CRD07140RL are also ROHS3 compliant.

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