RG2012N-2430-C-T5 Equivalent & Substitute Parts

Part Overview

The RG2012N-2430-C-T5 is a 243 Ohm ±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 for use in harsh automotive environments. The part is classified as obsolete, necessitating identification of active equivalent and substitute components that maintain electrical and mechanical compatibility while offering enhanced performance characteristics or improved availability.

Key Parameters

Parameter	Value
Resistance	243 Ohms
Tolerance	±0.25%
Power Rating	0.125W (1/8W)
Package	0805 (2012 Metric)
Composition	Thin Film
Features	Anti-Sulfur, Automotive AEC-Q200
Operating Temperature Range	-55°C ~ 155°C
Temperature Coefficient	±10ppm/°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Mandatory Compatibility Parameters:

Resistance value: 243 Ohms (exact match required)
Package type: 0805 (2012 Metric) (exact match required)
Composition: Thin Film (exact match required)
Automotive qualification: AEC-Q200 (exact match required)
Anti-sulfur feature: Present (exact match required)
RoHS compliance: ROHS3 Compliant (exact match required)

Allowable Variation Parameters:

Tolerance: May be equal to or tighter (lower) than ±0.25%
Power rating: May be equal to or higher than 0.125W
Temperature coefficient: May be equal to or lower in absolute value
Operating temperature range: May be equal to or extended
Product status: Active preferred over obsolete

All substitute parts listed maintain identical mechanical dimensions (0.079" L × 0.049" W, 2.00mm × 1.25mm) and electrical base specifications while offering improvements in tolerance, temperature stability, or power handling capability.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	Product Status	Packaging
RG2012N-2430-C-T5	Susumu	243 Ω	±0.25%	0.125	±10	-55 ~ 155	Obsolete	Tape & Reel
RG2012N-2430-B-T5	Susumu	243 Ω	±0.1%	0.125	±10	-55 ~ 155	Active	Tape & Reel
RG2012N-2430-W-T1	Susumu	243 Ω	±0.05%	0.125	±10	-55 ~ 155	Active	Tape & Reel
RG2012N-2430-W-T5	Susumu	243 Ω	±0.05%	0.125	±10	-55 ~ 155	Active	Tape & Reel
RG2012V-2430-B-T5	Susumu	243 Ω	±0.1%	0.125	±5	-55 ~ 155	Active	Tape & Reel
RG2012V-2430-P-T1	Susumu	243 Ω	±0.02%	0.125	±5	-55 ~ 155	Active	Tape & Reel
RG2012V-2430-W-T1	Susumu	243 Ω	±0.05%	0.125	±5	-55 ~ 155	Active	Tape & Reel
RG2012V-2430-W-T5	Susumu	243 Ω	±0.05%	0.125	±5	-55 ~ 155	Active	Tape & Reel
TNPW0805243RBYEA	Vishay Dale	243 Ω	±0.1%	0.26	±10	-55 ~ 175	Active	Tape & Reel

Engineering Selection Recommendations

Direct Replacement (Susumu RG Series):

The Susumu RG2012N-2430-B-T5 serves as the primary direct replacement for the obsolete RG2012N-2430-C-T5. Both components share identical electrical specifications except for improved tolerance (±0.1% versus ±0.25%), maintain the same temperature coefficient (±10ppm/°C), and operate within the same temperature range (-55°C ~ 155°C). The RG2012N-2430-B-T5 is active in production with confirmed inventory availability.

Enhanced Performance Alternatives (Susumu RG Series):

The RG2012N-2430-W-T1 and RG2012N-2430-W-T5 offer tighter tolerance (±0.05%) while maintaining all other electrical and mechanical specifications. Both are active products suitable for applications requiring improved accuracy without additional thermal or power considerations.

Superior Stability Options (Susumu RG2012V Series):

The RG2012V series variants (RG2012V-2430-B-T5, RG2012V-2430-P-T1, RG2012V-2430-W-T1, RG2012V-2430-W-T5) provide reduced temperature coefficient (±5ppm/°C versus ±10ppm/°C), resulting in improved thermal stability across the operating range. These components are active and available in multiple tolerance grades (±0.1%, ±0.05%, ±0.02%).

Cross-Manufacturer Alternative (Vishay Dale):

The TNPW0805243RBYEA from Vishay Dale provides equivalent 243 Ohm resistance and ±0.1% tolerance with enhanced power rating (0.26W versus 0.125W) and extended operating temperature range (-55°C ~ 175°C). This component is active and AEC-Q200 qualified. The increased power rating and temperature range provide additional design margin for thermal management.

All substitute parts maintain ROHS3 compliance, AEC-Q200 automotive qualification, anti-sulfur coating, and MSL 1 moisture sensitivity rating.

Frequently Asked Questions (FAQ)

Q: Can RG2012N-2430-B-T5 directly replace RG2012N-2430-C-T5 in existing designs?

A: Yes. The RG2012N-2430-B-T5 maintains identical resistance (243 Ohms), package (0805), power rating (0.125W), temperature range (-55°C ~ 155°C), and all mechanical dimensions. The tolerance improvement (±0.1% versus ±0.25%) is a performance enhancement with no compatibility concerns.

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

A: The primary difference is temperature coefficient. RG2012N series has ±10ppm/°C while RG2012V series has ±5ppm/°C. Both series maintain identical resistance values, package types, and power ratings. The RG2012V series provides superior thermal stability.

Q: Why does TNPW0805243RBYEA have higher power rating (0.26W) than the original part (0.125W)?

A: The TNPW0805243RBYEA is a different product line from Vishay Dale with enhanced power handling capability. The higher power rating does not affect compatibility; it provides additional thermal margin. All other electrical parameters (resistance, tolerance, temperature coefficient) remain compatible with the original specification.

Q: Are all substitute parts AEC-Q200 qualified?

A: Yes. All listed substitute parts carry AEC-Q200 automotive qualification, matching the original RG2012N-2430-C-T5 specification.

Q: What tolerance should I select for my application?

A: Tolerance selection depends on circuit requirements. The original ±0.25% tolerance is maintained by RG2012N-2430-B-T5. Tighter tolerances (±0.1%, ±0.05%, ±0.02%) are available in substitute parts for applications requiring improved accuracy. All tolerances are tighter than or equal to the original specification.

Q: Can I use RG2012V-2430-P-T1 with ±0.02% tolerance in place of the original ±0.25% part?

A: Yes. The ±0.02% tolerance is tighter than the original ±0.25% specification, making it fully compatible. The component maintains identical resistance, package, power rating, and all mechanical dimensions. The improved tolerance provides enhanced accuracy without introducing any compatibility issues.

Q: Is the extended operating temperature range of TNPW0805243RBYEA (-55°C ~ 175°C) a concern?

A: No. The extended range (-55°C ~ 175°C versus -55°C ~ 155°C) provides additional operational margin. If your application operates within -55°C ~ 155°C, the TNPW0805243RBYEA remains fully compatible and provides additional thermal headroom.

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

A: Yes. All listed substitute parts are supplied in Tape & Reel (TR) packaging, matching the original component's packaging format for automated assembly compatibility.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message