RG2012N-221-B-T5 Equivalent & Substitute Parts

Part Overview

The RG2012N-221-B-T5 is a surface-mount thin film chip resistor manufactured by Susumu. This component features a resistance value of 220 Ohms with a tight tolerance of ±0.1% and a power rating of 0.125W (1/8W) in a standard 0805 (2012 Metric) package. The product is currently active in production and qualifies for automotive applications under AEC-Q200 standards, with anti-sulfur properties suitable for harsh environments.

Finding equivalent and substitute parts is essential for design optimization, cost management, supply chain risk mitigation, and ensuring continuity of production when the primary part experiences availability constraints or end-of-life transitions.

Substiute Parts

RG2012N-221-B-T5

SusumuIn Stock: 1083RG2012N-221-B-T5 Datasheet

Current PartRFQ

RG2012N-221-W-T1

SusumuIn Stock: 1888RG2012N-221-W-T1 Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

The substitute part identified for RG2012N-221-B-T5 is categorized as an upgrade option. Substitution compatibility is determined by matching the following critical electrical and mechanical parameters:

• Resistance Value: 220 Ohms
• Package / Case: 0805 (2012 Metric)
• Power Rating: 0.125W, 1/8W
• Composition: Thin Film
• Temperature Coefficient: ±10ppm/°C
• Operating Temperature Range: -55°C ~ 155°C
• Features: Anti-Sulfur, Automotive AEC-Q200
• Physical Dimensions: 0.079" L x 0.049" W (2.00mm x 1.25mm)
• Height: 0.020" (0.50mm)

The substitute part RG2012N-221-W-T1 is classified as an upgrade because it offers a tighter tolerance specification (±0.05%) compared to the original part (±0.1%), while maintaining identical electrical and mechanical characteristics in all other critical parameters.

Parameter Comparison

Engineering Selection Recommendations

The RG2012N-221-W-T1 serves as a direct upgrade substitute for the RG2012N-221-B-T5. Both parts are active in production status and share identical specifications across all critical parameters except tolerance. The upgrade option provides a tighter tolerance of ±0.05% compared to the original ±0.1%, which enhances precision in applications requiring higher resistance accuracy.

Both parts meet AEC-Q200 automotive qualification standards, ROHS3 compliance, and are REACH unaffected, ensuring regulatory conformity across automotive and industrial applications. The identical package dimensions, footprint, power rating, temperature coefficient, and operating temperature range ensure mechanical and electrical interchangeability without PCB redesign.

The anti-sulfur feature in both components provides enhanced reliability in harsh environmental conditions. The MSL rating of 1 (Unlimited) for both parts simplifies moisture-sensitive handling requirements during assembly processes.

Frequently Asked Questions (FAQ)

Q: What is the primary difference between RG2012N-221-B-T5 and RG2012N-221-W-T1?
A: The RG2012N-221-W-T1 offers a tighter tolerance of ±0.05% compared to ±0.1% for the RG2012N-221-B-T5. All other electrical and mechanical parameters are identical.

Q: Are these parts mechanically interchangeable?
A: Both parts share identical package dimensions (0805/2012 Metric), footprint (2.00mm x 1.25mm), and height (0.50mm maximum), ensuring direct mechanical compatibility without PCB modifications.

Q: Do both parts meet automotive qualification standards?
A: Both the RG2012N-221-B-T5 and RG2012N-221-W-T1 are qualified to AEC-Q200 automotive standards and feature anti-sulfur construction suitable for automotive applications.

Q: What is the significance of the ±10ppm/°C temperature coefficient?
A: The ±10ppm/°C temperature coefficient indicates that the resistance value changes by a maximum of 10 parts per million per degree Celsius of temperature change, ensuring stable performance across the -55°C to 155°C operating temperature range.

Q: Are there any differences in compliance or environmental certifications?
A: Both parts are ROHS3 compliant, REACH unaffected, and share identical export control classifications (ECCN: EAR99, HTSUS: 8533.21.0030).

Q: What is the advantage of using the upgrade substitute?
A: The RG2012N-221-W-T1 provides tighter resistance tolerance, which reduces resistance variation and improves circuit precision in applications where higher accuracy is required.