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RG2012N-1433-B-T1 Equivalent & Substitute Parts
Part Overview
The RG2012N-1433-B-T1 is a 143 kOhms ±0.1% 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, suitable for high-reliability applications in temperature ranges from -55°C to 155°C.
The RG2012N-1433-B-T1 is classified as obsolete. Equivalent and substitute parts are available from active product lines that maintain identical or enhanced electrical and mechanical specifications, ensuring design continuity and supply chain reliability.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 143 kOhms |
| Tolerance | ±0.1% |
| Power Rating | 0.125W (1/8W) |
| Package | 0805 (2012 Metric) |
| Composition | Thin Film |
| Temperature Coefficient | ±10ppm/°C |
| Operating Temperature Range | -55°C to 155°C |
| Automotive Rating | AEC-Q200 |
| Features | Anti-Sulfur |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the RG2012N-1433-B-T1 is determined by the following critical parameters:
Mandatory Matching Parameters:
- Resistance value: 143 kOhms
- Package type: 0805 (2012 Metric)
- Composition: Thin Film
- Automotive qualification: AEC-Q200
- RoHS compliance: ROHS3 Compliant
- Moisture Sensitivity Level: 1 (Unlimited)
Allowable Variation Parameters:
- Tolerance: ±0.1% or tighter (±0.05%)
- Power rating: 0.125W or higher
- Temperature coefficient: ±10ppm/°C or better
- Operating temperature range: -55°C to 155°C or extended
- Packaging format: Tape & Reel acceptable for direct substitution
Substitute parts are grouped into two categories: direct equivalents (identical specifications) and upgrades (enhanced tolerance or power rating while maintaining all mandatory parameters).
Parameter Comparison
| Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Temp Coeff (ppm/°C) | Operating Temp (°C) | Package | Status | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|
| RG2012N-1433-B-T1 | Susumu | 143 kOhms | ±0.1% | 0.125 | ±10 | -55 to 155 | 0805 | Obsolete | 776 |
| RG2012N-1433-B-T5 | Susumu | 143 kOhms | ±0.1% | 0.125 | ±10 | -55 to 155 | 0805 | Active | 801 |
| RG2012N-1433-W-T1 | Susumu | 143 kOhms | ±0.05% | 0.125 | ±10 | -55 to 155 | 0805 | Active | 752 |
| RG2012N-1433-W-T5 | Susumu | 143 kOhms | ±0.05% | 0.125 | ±10 | -55 to 155 | 0805 | Active | 1188 |
| TNPW0805143KBYEA | Vishay Dale | 143 kOhms | ±0.1% | 0.26 | ±10 | -55 to 175 | 0805 | Active | 855 |
| ERA-6AEB1433V | Panasonic Electronic Components | 143 kOhms | ±0.1% | 0.125 | ±25 | -55 to 155 | 0805 | Active | 18404 |
Engineering Selection Recommendations
Direct Equivalent (Packaging Change Only): The RG2012N-1433-B-T5 is a direct electrical equivalent to the RG2012N-1433-B-T1, differing only in packaging format (Tape & Reel versus bulk). Both maintain identical electrical specifications and AEC-Q200 automotive qualification. The RG2012N-1433-B-T5 is active in production with higher inventory availability.
Upgrade Options (Enhanced Tolerance): The RG2012N-1433-W-T1 and RG2012N-1433-W-T5 offer tighter tolerance (±0.05% versus ±0.1%) while maintaining all other specifications. These upgrades are suitable for applications requiring improved accuracy. Both variants are active in production.
Cross-Manufacturer Substitute (Vishay Dale): The TNPW0805143KBYEA from Vishay Dale provides identical resistance, tolerance, and package specifications with enhanced power rating (0.26W versus 0.125W) and extended operating temperature range (-55°C to 175°C). This component includes moisture-resistant coating and maintains AEC-Q200 qualification.
Cross-Manufacturer Substitute (Panasonic): The ERA-6AEB1433V from Panasonic Electronic Components matches the RG2012N-1433-B-T1 in resistance, tolerance, power rating, and package. The temperature coefficient specification differs (±25ppm/°C versus ±10ppm/°C). This part is active with substantial inventory availability (18,404 pieces).
All substitute parts maintain ROHS3 compliance, Moisture Sensitivity Level 1, and AEC-Q200 automotive qualification.
Frequently Asked Questions (FAQ)
Q: Can the RG2012N-1433-B-T5 replace the RG2012N-1433-B-T1 directly?
A: Yes. The RG2012N-1433-B-T5 is electrically and mechanically identical to the RG2012N-1433-B-T1. The only difference is packaging format (Tape & Reel versus bulk). Both components have identical resistance, tolerance, power rating, temperature coefficient, and operating temperature range. The RG2012N-1433-B-T5 is active in production.
Q: What is the difference between the B and W variants?
A: The B variant (RG2012N-1433-B-T1) has ±0.1% tolerance. The W variant (RG2012N-1433-W-T1 and RG2012N-1433-W-T5) has ±0.05% tolerance. All other specifications remain identical. The W variants are upgrades for applications requiring tighter tolerance control.
Q: What is the difference between T1 and T5 packaging codes?
A: T1 and T5 designate different packaging formats. Both are 0805 (2012 Metric) packages suitable for surface mount assembly. Consult packaging specifications for reel configuration and quantity per reel details.
Q: Can the TNPW0805143KBYEA replace the RG2012N-1433-B-T1?
A: Yes. The TNPW0805143KBYEA maintains identical resistance (143 kOhms), tolerance (±0.1%), package (0805), and AEC-Q200 qualification. The TNPW0805143KBYEA offers enhanced power rating (0.26W versus 0.125W) and extended operating temperature range (-55°C to 175°C). Temperature coefficient is identical (±10ppm/°C).
Q: Can the ERA-6AEB1433V replace the RG2012N-1433-B-T1?
A: Yes. The ERA-6AEB1433V maintains identical resistance (143 kOhms), tolerance (±0.1%), power rating (0.125W), package (0805), and AEC-Q200 qualification. The temperature coefficient differs (±25ppm/°C versus ±10ppm/°C). This part is suitable for applications where the higher temperature coefficient is acceptable.
Q: Are all substitute parts RoHS compliant?
A: Yes. All substitute parts listed are ROHS3 compliant and maintain Moisture Sensitivity Level 1 (Unlimited).
Q: Which substitute offers the best availability?
A: The ERA-6AEB1433V from Panasonic Electronic Components has the highest inventory availability at 18,404 pieces in stock.
Q: Can I use a substitute with higher power rating?
A: Yes. The TNPW0805143KBYEA with 0.26W power rating is a valid substitute for applications originally designed for 0.125W. Higher power rating provides additional thermal margin without affecting electrical performance at the specified power level.
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