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RG2012P-912-C-T5 Equivalent & Substitute Parts
Part Overview
The RG2012P-912-C-T5 is a 9.1 kOhms ±0.25% 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 across -55°C to 155°C operating temperature range. The part is currently obsolete, necessitating identification of equivalent and substitute components that maintain electrical and mechanical compatibility while offering active product status and improved performance characteristics where applicable.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 9.1 kOhms |
| Tolerance | ±0.25% |
| Power Rating | 0.125W (1/8W) |
| Package / Case | 0805 (2012 Metric) |
| Composition | Thin Film |
| Operating Temperature Range | -55°C ~ 155°C |
| Temperature Coefficient | ±25ppm/°C |
| Features | Anti-Sulfur, Automotive AEC-Q200 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the RG2012P-912-C-T5 is determined by strict electrical and mechanical compatibility criteria. All substitute parts must maintain the following parameters:
Mandatory Compatibility Parameters:
- Resistance value: 9.1 kOhms
- Package / Case: 0805 (2012 Metric)
- Power rating: 0.125W (1/8W) minimum
- Operating temperature range: -55°C ~ 155°C minimum
- Composition: Thin Film
- RoHS3 Compliance
- Moisture Sensitivity Level: 1 (Unlimited)
Allowable Variation Parameters:
- Tolerance: May be equal to or tighter than ±0.25%
- Temperature Coefficient: May be equal to or lower than ±25ppm/°C
- Packaging format: Tape & Reel (TR) or Cut Tape (CT) acceptable
- Manufacturer: Alternative manufacturers permitted if all mandatory parameters met
- Product Status: Active status preferred over obsolete
Substitute parts are grouped by tolerance specification, as this parameter directly affects circuit performance and precision requirements. Temperature coefficient variations are secondary considerations reflecting manufacturing process differences while maintaining functional equivalence.
Parameter Comparison
| Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Temp Coeff (ppm/°C) | Operating Temp (°C) | Package | Product Status | AEC-Q200 |
|---|---|---|---|---|---|---|---|---|---|
| RG2012P-912-C-T5 | Susumu | 9.1k | ±0.25% | 0.125 | ±25 | -55 ~ 155 | 0805 | Obsolete | Yes |
| RG2012N-912-B-T5 | Susumu | 9.1k | ±0.1% | 0.125 | ±10 | -55 ~ 155 | 0805 | Active | Yes |
| RG2012N-912-W-T5 | Susumu | 9.1k | ±0.05% | 0.125 | ±10 | -55 ~ 155 | 0805 | Active | Yes |
| RG2012P-912-B-T5 | Susumu | 9.1k | ±0.1% | 0.125 | ±25 | -55 ~ 155 | 0805 | Active | Yes |
| RG2012P-912-W-T5 | Susumu | 9.1k | ±0.05% | 0.125 | ±25 | -55 ~ 155 | 0805 | Active | Yes |
| RG2012V-912-B-T5 | Susumu | 9.1k | ±0.1% | 0.125 | ±5 | -55 ~ 155 | 0805 | Active | Yes |
| RG2012V-912-P-T1 | Susumu | 9.1k | ±0.02% | 0.125 | ±5 | -55 ~ 155 | 0805 | Active | Yes |
| RG2012V-912-W-T1 | Susumu | 9.1k | ±0.05% | 0.125 | ±5 | -55 ~ 155 | 0805 | Active | Yes |
| RG2012V-912-W-T5 | Susumu | 9.1k | ±0.05% | 0.125 | ±5 | -55 ~ 155 | 0805 | Active | Yes |
| RT0805CRD079K1L | YAGEO | 9.1k | ±0.25% | 0.125 | ±25 | -55 ~ 155 | 0805 | Active | No |
| ERA-6AEB912V | Panasonic Electronic Components | 9.1k | ±0.1% | 0.125 | ±25 | -55 ~ 155 | 0805 | Active | Yes |
Engineering Selection Recommendations
Direct Electrical Equivalent (Same Tolerance):
The RT0805CRD079K1L from YAGEO provides direct electrical equivalence with identical resistance value (9.1 kOhms), tolerance (±0.25%), power rating (0.125W), and temperature coefficient (±25ppm/°C). This part maintains active product status and ROHS3 compliance. However, this component lacks AEC-Q200 automotive qualification present in the original RG2012P-912-C-T5. Selection of this part is appropriate for non-automotive applications or where automotive qualification is not required.
Susumu RG Series Upgrades (Improved Tolerance):
The RG2012P-912-B-T5 and RG2012P-912-W-T5 from Susumu maintain the same temperature coefficient (±25ppm/°C) as the original part while offering tighter tolerance specifications (±0.1% and ±0.05% respectively). Both parts retain AEC-Q200 qualification and active product status. These components are direct functional upgrades suitable for applications requiring improved precision without altering thermal performance characteristics.
Susumu RG Series Premium Options (Improved Temperature Coefficient):
The RG2012V series components (RG2012V-912-B-T5, RG2012V-912-W-T5, RG2012V-912-P-T1, RG2012V-912-W-T1) offer superior temperature stability with temperature coefficients of ±5ppm/°C or ±10ppm/°C compared to the original ±25ppm/°C specification. These parts maintain AEC-Q200 qualification and active status. Selection of these components is appropriate for applications with stringent temperature stability requirements or wide operating temperature ranges.
Panasonic ERA-6AEB912V Alternative:
The ERA-6AEB912V from Panasonic Electronic Components provides ±0.1% tolerance with AEC-Q200 qualification and active product status. This component maintains the same temperature coefficient (±25ppm/°C) and operating temperature range as the original part. This option is suitable for applications requiring alternative supplier qualification or supply chain diversification.
Susumu RG Series Precision Option:
The RG2012N-912-W-T5 offers the tightest tolerance (±0.05%) with improved temperature coefficient (±10ppm/°C) while maintaining AEC-Q200 qualification and active status. This component represents the highest precision option within the Susumu RG series for this resistance value.
Frequently Asked Questions (FAQ)
Q: Can the RG2012P-912-C-T5 be replaced with any 9.1 kOhm 0805 resistor?
A: No. Substitution requires matching the 0805 package, 0.125W power rating, and thin film composition. Additionally, tolerance and temperature coefficient specifications must be equal to or better than the original part. Operating temperature range must span -55°C to 155°C minimum. For automotive applications, AEC-Q200 qualification is mandatory.
Q: What is the difference between the RG2012P and RG2012V series?
A: The RG2012P series has a temperature coefficient of ±25ppm/°C, while the RG2012V series has ±5ppm/°C. Both series maintain identical resistance values, power ratings, and package specifications. The RG2012V series provides superior temperature stability for applications sensitive to thermal drift.
Q: Is the RT0805CRD079K1L from YAGEO suitable for automotive applications?
A: The RT0805CRD079K1L does not carry AEC-Q200 automotive qualification. While electrically equivalent to the RG2012P-912-C-T5, this component is not suitable for applications requiring automotive-grade components. Use only in non-automotive or non-qualified applications.
Q: What does the tolerance specification (±0.25%, ±0.1%, ±0.05%, ±0.02%) mean?
A: Tolerance specifies the maximum deviation from the nominal 9.1 kOhm resistance value. A ±0.25% tolerance allows resistance between 9.0725 kOhms and 9.1275 kOhms. Tighter tolerances (±0.1%, ±0.05%, ±0.02%) provide resistance values closer to the nominal specification, improving circuit precision and predictability.
Q: Can I use a substitute part with a lower temperature coefficient?
A: Yes. A lower temperature coefficient (e.g., ±5ppm/°C instead of ±25ppm/°C) represents improved performance and is functionally compatible. The substitute part will exhibit less resistance change across the operating temperature range, which is beneficial for temperature-sensitive applications.
Q: Are all substitute parts available in the same packaging format?
A: The RG2012P-912-C-T5 is supplied in cut tape format. Most substitute parts are available in Tape & Reel (TR) format for automated assembly. The ERA-6AEB912V is available in Cut Tape (CT) & Digi-Reel® format. Verify packaging format compatibility with your assembly process before component selection.
Q: What is the significance of the part number suffix (C-T5, B-T5, W-T5, P-T1)?
A: The suffix indicates tolerance and temperature coefficient grade. The letter (C, B, W, P) specifies tolerance grade, while the number (T5, T1) indicates the temperature coefficient grade. Different combinations provide various precision and thermal stability options within the same resistance value and package.
Q: Is the RG2012N-912-B-T5 compatible with the original RG2012P-912-C-T5 footprint?
A: Yes. Both components use the 0805 (2012 Metric) package with identical physical dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm). The components are mechanically and electrically interchangeable at the PCB level.
Q: What does AEC-Q200 qualification mean?
A: AEC-Q200 is an automotive electronics council qualification standard for passive components. It certifies that the component meets stringent reliability, temperature cycling, and performance requirements for automotive applications. Components with this qualification are suitable for use in vehicles and automotive-grade systems.
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