RG2012V-1780-C-T5 Equivalent & Substitute Parts

Part Overview

The RG2012V-1780-C-T5 is a 178 Ohm ±0.25% thin film chip resistor in 0805 (2012 Metric) package rated for 0.125W (1/8W) power dissipation. This component is designed for automotive applications with AEC-Q200 qualification and anti-sulfur construction. The part is currently obsolete, necessitating identification of equivalent active alternatives that maintain electrical and mechanical compatibility while offering enhanced performance characteristics.

Substiute Parts

RG2012V-1780-C-T5

SusumuIn Stock: 859RG2012V-1780-C-T5 Datasheet

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RG2012V-1780-B-T5

SusumuIn Stock: 1016RG2012V-1780-B-T5 Datasheet

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RG2012V-1780-P-T1

SusumuIn Stock: 977RG2012V-1780-P-T1 Datasheet

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RG2012V-1780-W-T1

SusumuIn Stock: 850RG2012V-1780-W-T1 Datasheet

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RG2012V-1780-W-T5

SusumuIn Stock: 1098RG2012V-1780-W-T5 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the RG2012V-1780-C-T5 is determined by the following critical parameters that must remain constant across all alternatives:

Fixed Parameters (Non-Negotiable):

• Resistance value: 178 Ohms
• Package type: 0805 (2012 Metric)
• Power rating: 0.125W (1/8W)
• Composition: Thin Film
• Temperature coefficient: ±5ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Automotive rating: AEC-Q200
• Anti-sulfur construction

Variable Parameters (Substitution Basis):

• Tolerance: The main part specifies ±0.25%. Substitute parts with tighter tolerances (±0.1%, ±0.05%, ±0.02%) are electrically compatible and represent performance upgrades.
• Product status: The main part is obsolete. All substitute parts are active and available.
• Packaging format: The main part uses standard packaging. Substitute parts use Tape & Reel (TR) format, which is standard for production environments.

All four substitute parts maintain identical electrical performance in terms of resistance value, power dissipation, temperature stability, and operating range. The substitutes differ only in tolerance specification and product availability status.

Parameter Comparison

Engineering Selection Recommendations

Direct Substitution Compatibility:

All four substitute parts are electrically and mechanically compatible with the RG2012V-1780-C-T5. The primary distinction among substitutes is tolerance specification:

RG2012V-1780-W-T5 and RG2012V-1780-W-T1 offer ±0.05% tolerance, representing a 5× improvement over the main part's ±0.25% specification. Both are suitable for applications requiring enhanced precision without exceeding the original tolerance band.

RG2012V-1780-B-T5 provides ±0.1% tolerance, delivering a 2.5× tolerance improvement and serving applications with moderate precision requirements.

RG2012V-1780-P-T1 delivers ±0.02% tolerance, the tightest specification available, appropriate for precision measurement and calibration circuits where maximum accuracy is required.

Compliance and Certification:

All substitute parts maintain AEC-Q200 automotive qualification, anti-sulfur construction, ROHS3 compliance, and REACH unaffected status. No compliance degradation occurs with any substitute selection.

Availability and Product Status:

The main part RG2012V-1780-C-T5 is obsolete. All substitute parts are active with confirmed inventory availability, ensuring long-term supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can RG2012V-1780-B-T5, RG2012V-1780-P-T1, RG2012V-1780-W-T1, and RG2012V-1780-W-T5 be used as direct replacements for RG2012V-1780-C-T5?

A: Yes. All substitute parts maintain identical resistance value (178 Ohms), power rating (0.125W), package type (0805), composition (thin film), temperature coefficient (±5ppm/°C), and operating temperature range (-55°C ~ 155°C). The substitutes differ only in tolerance specification, which is tighter than the original part, and are therefore compatible with all circuit applications designed for the RG2012V-1780-C-T5.

Q: What is the difference between the four substitute parts?

A: The substitutes differ exclusively in tolerance specification. RG2012V-1780-W-T5 and RG2012V-1780-W-T1 specify ±0.05% tolerance. RG2012V-1780-B-T5 specifies ±0.1% tolerance. RG2012V-1780-P-T1 specifies ±0.02% tolerance. All other electrical and mechanical parameters are identical across all substitutes.

Q: Are there packaging differences between the main part and substitutes?

A: The main part RG2012V-1780-C-T5 uses standard packaging. All substitute parts use Tape & Reel (TR) format, which is the standard production packaging for SMD components and is compatible with automated assembly equipment.

Q: Do the substitute parts maintain automotive qualification?

A: Yes. All substitute parts carry AEC-Q200 automotive qualification, anti-sulfur construction, and identical operating temperature range (-55°C ~ 155°C) as the main part.

Q: Which substitute should be selected for precision-critical applications?

A: RG2012V-1780-P-T1 with ±0.02% tolerance is appropriate for applications requiring maximum precision. RG2012V-1780-W-T5 or RG2012V-1780-W-T1 with ±0.05% tolerance serve general precision applications. RG2012V-1780-B-T5 with ±0.1% tolerance is suitable for standard applications where the original ±0.25% tolerance was acceptable.

Q: Are all substitute parts currently available?

A: Yes. All substitute parts are active products with confirmed inventory: RG2012V-1780-B-T5 (963 pcs), RG2012V-1780-P-T1 (911 pcs), RG2012V-1780-W-T1 (789 pcs), and RG2012V-1780-W-T5 (993 pcs).

Q: Do the substitute parts comply with environmental regulations?

A: Yes. All substitute parts are ROHS3 compliant and REACH unaffected, maintaining identical regulatory compliance as the main part.