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RG2012P-4222-C-T5 Equivalent & Substitute Parts
Part Overview
The RG2012P-4222-C-T5 is a 42.2 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 RG2012P-4222-C-T5 is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity and ensure component availability for production and repair applications. Substitute components must maintain electrical compatibility while meeting or exceeding the original specifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 42.2 kOhms |
| Tolerance | ±0.25% |
| Power Rating | 0.125W (1/8W) |
| Package | 0805 (2012 Metric) |
| Composition | Thin Film |
| Operating Temperature | -55°C to 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-4222-C-T5 is determined by the following critical parameters:
Mandatory Compatibility Parameters:
- Resistance value: 42.2 kOhms (exact match required)
- Package type: 0805 (2012 Metric) (physical and electrical compatibility)
- Power rating: 0.125W minimum (equal or higher acceptable)
- Composition: Thin Film (electrical performance characteristics)
- Operating temperature range: -55°C to 155°C minimum (full range or subset acceptable)
Tolerance Considerations: Substitute parts with equal or tighter tolerance (lower percentage value) are electrically compatible. The original part specifies ±0.25% tolerance. Parts with ±0.1% or ±0.05% tolerance provide improved precision and are direct upgrades.
Temperature Coefficient: The original part specifies ±25ppm/°C. Substitute parts with equal or lower temperature coefficient values (±10ppm/°C, ±15ppm/°C) provide improved stability.
Automotive Qualification: The original part carries AEC-Q200 certification. Substitute parts with AEC-Q200 certification maintain automotive-grade reliability standards. Parts without this certification remain electrically compatible but may not meet automotive qualification requirements.
Packaging Format: The original part is supplied in cut tape format. Substitute parts in Tape & Reel (TR) packaging are mechanically compatible for automated assembly processes.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Temp Coeff (ppm/°C) | Operating Temp (°C) | AEC-Q200 | Product Status |
|---|---|---|---|---|---|---|---|---|
| RG2012P-4222-C-T5 | Susumu | 42.2 kΩ | ±0.25% | 0.125 | ±25 | -55 to 155 | Yes | Obsolete |
| RG2012N-4222-B-T5 | Susumu | 42.2 kΩ | ±0.1% | 0.125 | ±10 | -55 to 155 | Yes | Active |
| RG2012N-4222-W-T1 | Susumu | 42.2 kΩ | ±0.05% | 0.125 | ±10 | -55 to 155 | Yes | Active |
| RG2012P-4222-B-T5 | Susumu | 42.2 kΩ | ±0.1% | 0.125 | ±25 | -55 to 155 | Yes | Active |
| RG2012P-4222-W-T5 | Susumu | 42.2 kΩ | ±0.05% | 0.125 | ±25 | -55 to 155 | Yes | Active |
| 6-2176093-0 | TE Connectivity Passive Product | 42.2 kΩ | ±0.1% | 0.25 | ±25 | -55 to 155 | No | Active |
| RT0805CRD0742K2L | YAGEO | 42.2 kΩ | ±0.25% | 0.125 | ±25 | -55 to 155 | No | Active |
| ERA-6AEB4222V | Panasonic Electronic Components | 42.2 kΩ | ±0.1% | 0.125 | ±25 | -55 to 155 | Yes | Active |
| MCU08050D4222BP500 | Vishay Beyschlag/Draloric/BC Components | 42.2 kΩ | ±0.1% | 0.125 | ±25 | -55 to 125 | No | Active |
| RP73D2A42K2BTDF | TE Connectivity Passive Product | 42.2 kΩ | ±0.1% | 0.125 | ±15 | -55 to 155 | No | Active |
| RT0805BRD0742K2L | YAGEO | 42.2 kΩ | ±0.1% | 0.125 | ±25 | -55 to 155 | No | Active |
Engineering Selection Recommendations
Primary Substitutes (Susumu RG Series - Recommended for Direct Replacement):
The Susumu RG2012P-4222-B-T5 and RG2012P-4222-W-T5 are direct substitutes from the same manufacturer and series. Both maintain AEC-Q200 automotive qualification and identical operating temperature range. The RG2012P-4222-B-T5 provides ±0.1% tolerance with active product status. The RG2012P-4222-W-T5 provides ±0.05% tolerance for applications requiring tighter precision. Both are available in Tape & Reel packaging for production environments.
The Susumu RG2012N-4222-B-T5 and RG2012N-4222-W-T1 offer improved temperature coefficient performance (±10ppm/°C versus ±25ppm/°C) while maintaining AEC-Q200 certification and full operating temperature range. These represent performance upgrades with active product status.
Secondary Substitutes (Alternative Manufacturers - Electrical Compatibility Confirmed):
The Panasonic ERA-6AEB4222V provides ±0.1% tolerance with AEC-Q200 certification and identical electrical specifications. This part is available in high inventory quantities (23,794 pieces).
The YAGEO RT0805BRD0742K2L provides ±0.1% tolerance with identical electrical specifications and full operating temperature range. This part is available in high inventory quantities (24,079 pieces) and does not carry AEC-Q200 certification.
The TE Connectivity RP73D2A42K2BTDF provides ±0.1% tolerance with improved temperature coefficient (±15ppm/°C) and full operating temperature range. This part does not carry AEC-Q200 certification.
Higher Power Rating Alternative:
The TE Connectivity 6-2176093-0 provides 0.25W (1/4W) power rating, which exceeds the original 0.125W specification. This part is suitable for applications requiring higher power dissipation capability while maintaining 42.2 kOhms resistance and ±0.1% tolerance. Operating temperature range and temperature coefficient are identical to the original part.
Limited Compatibility:
The Vishay MCU08050D4222BP500 provides ±0.1% tolerance but specifies operating temperature range of -55°C to 125°C, which does not extend to the full 155°C upper limit of the original part. This part is suitable only for applications operating within -55°C to 125°C range.
Frequently Asked Questions (FAQ)
Q: Can I use a substitute part with tighter tolerance than the original RG2012P-4222-C-T5?
A: Yes. The original part specifies ±0.25% tolerance. Substitute parts with ±0.1% or ±0.05% tolerance are electrically compatible and provide improved precision. Tighter tolerance does not create incompatibility; it represents a performance upgrade.
Q: What is the difference between the Susumu RG2012P and RG2012N series?
A: Both series are 42.2 kOhms thin film resistors in 0805 package with AEC-Q200 certification. The RG2012N series provides improved temperature coefficient (±10ppm/°C versus ±25ppm/°C). The RG2012P series maintains the original temperature coefficient specification of ±25ppm/°C.
Q: Can I substitute the RG2012P-4222-C-T5 with a part rated for 0.25W instead of 0.125W?
A: Yes. The TE Connectivity 6-2176093-0 provides 0.25W (1/4W) power rating. Higher power rating is compatible with the original application. The component will not be damaged by lower power dissipation requirements. Physical dimensions remain within 0805 package specification.
Q: Does the Tape & Reel (TR) packaging differ functionally from the original cut tape format?
A: No. Tape & Reel packaging contains the same component with identical electrical specifications. The packaging format difference affects only the supply method and automated assembly compatibility. The resistor itself is functionally identical.
Q: Which substitute parts maintain automotive AEC-Q200 certification?
A: The following substitute parts carry AEC-Q200 certification: RG2012N-4222-B-T5, RG2012N-4222-W-T1, RG2012P-4222-B-T5, RG2012P-4222-W-T5, and ERA-6AEB4222V. These parts are suitable for automotive applications requiring AEC-Q200 qualification.
Q: What is the significance of the temperature coefficient specification?
A: Temperature coefficient indicates how much the resistance value changes with temperature. The original part specifies ±25ppm/°C. Lower values (±10ppm/°C, ±15ppm/°C) indicate better stability across the operating temperature range. For applications sensitive to resistance drift, parts with lower temperature coefficient provide improved performance.
Q: Can I use the Vishay MCU08050D4222BP500 in all applications where the RG2012P-4222-C-T5 is used?
A: The Vishay part is compatible only for applications operating within -55°C to 125°C. The original part specifies -55°C to 155°C. If your application requires operation above 125°C, the Vishay part is not suitable. For applications limited to -55°C to 125°C, the Vishay part is electrically compatible.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All substitute parts listed are RoHS3 compliant, matching the original part's environmental compliance status.
Q: What is the difference between the RG2012P-4222-B-T5 and RG2012P-4222-W-T5?
A: Both parts are from the Susumu RG2012P series with identical electrical specifications except tolerance. The RG2012P-4222-B-T5 provides ±0.1% tolerance. The RG2012P-4222-W-T5 provides ±0.05% tolerance. The W-suffix part offers tighter tolerance for precision applications.
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