RG2012P-1780-P-T1 Equivalent & Substitute Parts

Part Overview

The RG2012P-1780-P-T1 is a 178 Ohms ±0.02% 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 is currently classified as obsolete, necessitating identification of equivalent alternatives for ongoing design support and procurement requirements.

Substiute Parts

RG2012P-1780-P-T1
SusumuIn Stock: 792RG2012P-1780-P-T1 Datasheet
RG2012P-1780-P-T1
Current Part

Key Parameters

Parameter Value
Resistance 178 Ohms
Tolerance ±0.02%
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
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the RG2012P-1780-P-T1 is determined by the following critical parameters:

Electrical Parameters:

  • Resistance value: 178 Ohms (exact match required)
  • Tolerance: ±0.02% (exact match required)
  • Power rating: 0.125W minimum (equal or higher acceptable)

Mechanical Parameters:

  • Package format: 0805 (2012 Metric) (exact match required)
  • Number of terminations: 2 (exact match required)
  • Physical dimensions: 0.079" L x 0.049" W, 0.020" max height (exact match required)

Environmental & Compliance Parameters:

  • Composition: Thin Film (exact match required)
  • Features: Anti-Sulfur, Automotive AEC-Q200 (exact match required)
  • Operating temperature range: -55°C ~ 155°C (exact match required)
  • RoHS Status: ROHS3 Compliant (exact match required)
  • Moisture Sensitivity Level: 1 (exact match required)

The RG2012V-1780-P-T1 meets all substitution criteria and is classified as an equivalent part.

Parameter Comparison

Parameter RG2012P-1780-P-T1 (Main Part) RG2012V-1780-P-T1 (Substitute) Match Status
Manufacturer Susumu Susumu Identical
Resistance 178 Ohms 178 Ohms Identical
Tolerance ±0.02% ±0.02% Identical
Power Rating 0.125W (1/8W) 0.125W (1/8W) Identical
Package 0805 (2012 Metric) 0805 (2012 Metric) Identical
Composition Thin Film Thin Film Identical
Features Anti-Sulfur, Automotive AEC-Q200 Anti-Sulfur, Automotive AEC-Q200 Identical
Temperature Coefficient ±25ppm/°C ±5ppm/°C Substitute Superior
Operating Temperature -55°C ~ 155°C -55°C ~ 155°C Identical
Size / Dimension 0.079" L x 0.049" W (2.00mm x 1.25mm) 0.079" L x 0.049" W (2.00mm x 1.25mm) Identical
Height - Seated (Max) 0.020" (0.50mm) 0.020" (0.50mm) Identical
Number of Terminations 2 2 Identical
RoHS Status ROHS3 Compliant ROHS3 Compliant Identical
Moisture Sensitivity Level 1 (Unlimited) 1 (Unlimited) Identical
REACH Status REACH Unaffected REACH Unaffected Identical
Product Status Obsolete Active Substitute Active
Packaging Not specified Tape & Reel (TR) Substitute Specified

Engineering Selection Recommendations

The RG2012V-1780-P-T1 is the direct equivalent for the obsolete RG2012P-1780-P-T1. Both components are manufactured by Susumu and share identical electrical, mechanical, and environmental specifications. The substitute part is currently in active production status, ensuring long-term availability and supply chain continuity.

The RG2012V-1780-P-T1 demonstrates superior temperature coefficient performance (±5ppm/°C versus ±25ppm/°C), providing enhanced stability across the operating temperature range of -55°C to 155°C. Both parts maintain AEC-Q200 automotive qualification, ROHS3 compliance, and anti-sulfur coating specifications.

The substitute part is supplied in Tape & Reel (TR) packaging format, which is standard for high-volume production environments. All critical parameters including resistance value, tolerance, power rating, package format, and compliance certifications are fully compatible with the original specification.

Frequently Asked Questions (FAQ)

Q: Can the RG2012V-1780-P-T1 be used as a direct replacement for the RG2012P-1780-P-T1?

A: Yes. The RG2012V-1780-P-T1 is a direct equivalent. Both parts share identical resistance (178 Ohms), tolerance (±0.02%), power rating (0.125W), package format (0805), and all environmental specifications. The substitute part is currently in active production.

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

A: The primary difference is product status. The RG2012P-1780-P-T1 is obsolete, while the RG2012V-1780-P-T1 is active. The substitute also features improved temperature coefficient performance (±5ppm/°C versus ±25ppm/°C) and is supplied in standard Tape & Reel packaging.

Q: Are there any mechanical compatibility issues when substituting the RG2012V-1780-P-T1?

A: No. Both parts use identical 0805 (2012 Metric) package format with matching physical dimensions (0.079" L x 0.049" W) and maximum seated height (0.020"). PCB footprints and assembly processes require no modification.

Q: Does the RG2012V-1780-P-T1 meet automotive qualification requirements?

A: Yes. The substitute part carries AEC-Q200 automotive qualification identical to the original part, along with anti-sulfur coating and operating temperature range of -55°C to 155°C.

Q: What is the impact of the improved temperature coefficient on circuit performance?

A: The RG2012V-1780-P-T1 exhibits a temperature coefficient of ±5ppm/°C compared to ±25ppm/°C for the original part. This results in superior resistance stability across temperature variations, reducing drift-related circuit performance variations.

Q: Is the Tape & Reel packaging compatible with standard pick-and-place assembly equipment?

A: Yes. Tape & Reel (TR) packaging is the standard format for automated surface mount assembly processes and is compatible with all conventional pick-and-place equipment.

Q: Are both parts RoHS compliant?

A: Yes. Both the RG2012P-1780-P-T1 and RG2012V-1780-P-T1 are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), indicating no special storage or handling requirements.

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