Equivalent & Substitute Parts for RG2012V-1241-C-T5

Part Overview

The Susumu RG2012V-1241-C-T5 is a 1.24 kOhms ±0.25% thin film chip resistor in 0805 (2012 Metric) package rated for 0.125W (1/8W) power dissipation. This component features anti-sulfur construction and automotive AEC-Q200 qualification, suitable for high-reliability applications requiring precision resistance values across extended temperature ranges from -55°C to 155°C.

The RG2012V-1241-C-T5 is classified as obsolete. Substitute parts are available from the same manufacturer series with improved tolerance specifications and active product status, ensuring continued design support and supply chain availability.

Substiute Parts

RG2012V-1241-C-T5

SusumuIn Stock: 791RG2012V-1241-C-T5 Datasheet

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RG2012V-1241-B-T5

SusumuIn Stock: 686RG2012V-1241-B-T5 Datasheet

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RG2012V-1241-P-T1

SusumuIn Stock: 819RG2012V-1241-P-T1 Datasheet

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RG2012V-1241-W-T1

SusumuIn Stock: 1112RG2012V-1241-W-T1 Datasheet

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RG2012V-1241-W-T5

SusumuIn Stock: 748RG2012V-1241-W-T5 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the RG2012V-1241-C-T5 is determined by the following criteria:

Mandatory Compatibility Parameters:

• Resistance value: 1.24 kOhms (exact match required)
• Package / Case: 0805 (2012 Metric) (exact match required)
• Power rating: 0.125W (1/8W) (exact match required)
• Composition: Thin Film (exact match required)
• Features: Anti-Sulfur, Automotive AEC-Q200 (exact match required)
• Temperature coefficient: ±5ppm/°C (exact match required)
• Operating temperature range: -55°C ~ 155°C (exact match required)

Substitution Allowance:

• Tolerance: The RG2012V-1241-C-T5 tolerance of ±0.25% can be substituted with tighter tolerances (±0.1%, ±0.05%, ±0.02%) as these represent improved precision specifications that maintain or exceed the original design requirements.

All substitute parts listed maintain identical electrical and mechanical specifications except for tolerance values, which are equal to or tighter than the original part. All substitutes are manufactured by Susumu within the RG series and retain full AEC-Q200 automotive qualification.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: RG2012V-1241-W-T5

The RG2012V-1241-W-T5 provides direct functional equivalence to the obsolete RG2012V-1241-C-T5 with improved tolerance specification (±0.05% versus ±0.25%). This part maintains identical package, power rating, temperature coefficient, and operating temperature range. Active product status ensures ongoing manufacturer support and supply chain continuity. Tape & Reel packaging is standard for production environments.

Secondary Recommendation: RG2012V-1241-W-T1

The RG2012V-1241-W-T1 offers the same tolerance improvement as the primary recommendation (±0.05%) with identical electrical and mechanical specifications. This part is suitable for applications where tape reel packaging from alternative manufacturing batches is acceptable.

Precision Upgrade Option: RG2012V-1241-P-T1

The RG2012V-1241-P-T1 provides the highest tolerance specification available (±0.02%) within the compatible part family. This component is appropriate for precision measurement circuits or applications requiring tighter resistance value control than the original specification. All other parameters remain identical to the main part.

Alternative Option: RG2012V-1241-B-T5

The RG2012V-1241-B-T5 offers intermediate tolerance improvement (±0.1%) and maintains full compatibility with the original design. This part is suitable for applications where moderate tolerance tightening is beneficial without requiring maximum precision.

All substitute parts retain AEC-Q200 automotive qualification, ROHS3 compliance, and unlimited moisture sensitivity rating, ensuring compatibility with existing design requirements and regulatory frameworks.

Frequently Asked Questions (FAQ)

Q: Can the RG2012V-1241-W-T5 be used as a direct replacement for the RG2012V-1241-C-T5?

A: Yes. The RG2012V-1241-W-T5 is electrically and mechanically compatible with the RG2012V-1241-C-T5. Both parts share identical resistance value (1.24 kOhms), package (0805), power rating (0.125W), composition (thin film), temperature coefficient (±5ppm/°C), and operating temperature range (-55°C to 155°C). The RG2012V-1241-W-T5 features improved tolerance (±0.05% versus ±0.25%), which represents a performance enhancement rather than a limitation.

Q: What is the difference between the tolerance specifications of these substitute parts?

A: Tolerance defines the allowable deviation from the nominal resistance value. The RG2012V-1241-C-T5 specifies ±0.25% tolerance. Substitute parts offer tighter tolerances: RG2012V-1241-B-T5 (±0.1%), RG2012V-1241-W-T5 and RG2012V-1241-W-T1 (±0.05%), and RG2012V-1241-P-T1 (±0.02%). Tighter tolerance specifications ensure resistance values remain closer to the nominal 1.24 kOhms value, improving circuit precision.

Q: Are all substitute parts qualified for automotive applications?

A: Yes. All substitute parts listed carry AEC-Q200 automotive qualification and anti-sulfur construction, identical to the original RG2012V-1241-C-T5. These parts are suitable for automotive and high-reliability applications requiring extended temperature operation and environmental stress resistance.

Q: What is the significance of the product status change from Obsolete to Active?

A: Active product status indicates the substitute parts are in current production with ongoing manufacturer support, technical documentation, and supply chain availability. The obsolete status of the original part indicates it is no longer manufactured. Substituting with active parts ensures long-term design support and eliminates supply chain discontinuity.

Q: Do the substitute parts have different packaging options?

A: The RG2012V-1241-C-T5 is listed with unspecified packaging. All substitute parts are supplied in Tape & Reel (TR) packaging, which is standard for automated assembly processes. Tape & Reel packaging is compatible with standard pick-and-place equipment used in production environments.

Q: Can I use RG2012V-1241-P-T1 in place of RG2012V-1241-C-T5 for general applications?

A: Yes. The RG2012V-1241-P-T1 is fully compatible with the RG2012V-1241-C-T5 across all electrical and mechanical parameters. The ±0.02% tolerance specification of the RG2012V-1241-P-T1 exceeds the ±0.25% requirement of the original part, making it suitable for any application previously using the RG2012V-1241-C-T5. This part is particularly beneficial for precision analog circuits where tighter tolerance control improves overall circuit performance.

Q: Are there any thermal or environmental differences between these parts?

A: No. All parts listed maintain identical temperature coefficient (±5ppm/°C), operating temperature range (-55°C to 155°C), moisture sensitivity level (MSL 1 - Unlimited), and anti-sulfur construction. Environmental performance and thermal characteristics are equivalent across all parts in this substitution group.