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MCR03EZPFX1272 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX1272 is a 12.7 kOhms ±1% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Rohm Semiconductor. This part is rated for automotive applications under AEC-Q200 and operates across -55°C to 155°C. The part is currently discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing production and maintenance applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 12.7 kOhms |
| Tolerance | ±1% |
| Power Rating | 0.1W (1/10W) |
| Package / Case | 0603 (1608 Metric) |
| Composition | Thick Film |
| Temperature Coefficient | ±100ppm/°C |
| Operating Temperature Range | -55°C ~ 155°C |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility is determined by strict equivalence across the following parameters:
- Resistance value: 12.7 kOhms
- Tolerance: ±1%
- Power rating: 0.1W (1/10W)
- Package: 0603 (1608 Metric)
- Composition: Thick Film
- Temperature coefficient: ±100ppm/°C
- Operating temperature range: -55°C ~ 155°C
- RoHS compliance: ROHS3 Compliant
- MSL rating: 1 (Unlimited)
All substitute parts listed meet these core electrical and mechanical specifications. Variations in features (such as Automotive AEC-Q200 certification, Anti-Sulfur treatment, or Moisture Resistant coating) and product status do not affect functional substitutability for the specified resistance, tolerance, and power characteristics.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff (ppm/°C) | Operating Temp (°C) | Product Status | RoHS | MSL |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX1272 | Rohm Semiconductor | 12.7 kOhms | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Discontinued | ROHS3 | 1 |
| MCR03ERTF1272 | Rohm Semiconductor | 12.7 kOhms | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Discontinued | ROHS3 | 1 |
| TRR03EZPF1272 | Rohm Semiconductor | 12.7 kOhms | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Obsolete | ROHS3 | 1 |
| CRCW060312K7FKEA | Vishay Dale | 12.7 kOhms | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Active | ROHS3 | 1 |
| ERJ-3EKF1272V | Panasonic Electronic Components | 12.7 kOhms | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Active | ROHS3 | 1 |
| RMCF0603FT12K7 | Stackpole Electronics Inc | 12.7 kOhms | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Active | ROHS3 | 1 |
| CR0603-FX-1272ELF | Bourns Inc. | 12.7 kOhms | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Active | ROHS3 | 1 |
| RC0603FR-0712K7L | YAGEO | 12.7 kOhms | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Active | ROHS3 | 1 |
Engineering Selection Recommendations
For applications requiring the MCR03EZPFX1272, the following selection criteria apply:
Active Status Priority: CRCW060312K7FKEA, ERJ-3EKF1272V, RMCF0603FT12K7, CR0603-FX-1272ELF, and RC0603FR-0712K7L are all currently active products with established supply chains and ongoing manufacturer support.
Automotive AEC-Q200 Compliance: CRCW060312K7FKEA, ERJ-3EKF1272V, and RMCF0603FT12K7 carry Automotive AEC-Q200 certification, matching the original part's automotive qualification. These are preferred for automotive applications requiring compliance documentation.
Discontinued Alternatives: MCR03ERTF1272 and TRR03EZPF1272 are discontinued or obsolete and should be selected only when existing inventory is available and supply continuity is not required.
Moisture Resistant Variants: CR0603-FX-1272ELF and RC0603FR-0712K7L include moisture-resistant features, providing enhanced environmental protection in high-humidity or corrosive environments.
Frequently Asked Questions (FAQ)
Q: Can MCR03ERTF1272 replace MCR03EZPFX1272? A: Yes. Both parts share identical electrical specifications (12.7 kOhms ±1%, 0.1W, 0603 package, ±100ppm/°C, -55°C to 155°C operating range) and RoHS/MSL compliance. The primary difference is packaging format (Cut Tape & Digi-Reel vs. standard packaging) and product status (both discontinued).
Q: Is CRCW060312K7FKEA suitable for automotive applications? A: Yes. CRCW060312K7FKEA carries Automotive AEC-Q200 certification and meets all electrical and thermal specifications of the original MCR03EZPFX1272, making it suitable for automotive applications.
Q: What is the difference between CR0603-FX-1272ELF and RMCF0603FT12K7? A: Both parts meet the core electrical specifications. CR0603-FX-1272ELF includes moisture-resistant coating and is manufactured by Bourns. RMCF0603FT12K7 carries Automotive AEC-Q200 certification and is manufactured by Stackpole Electronics. Selection depends on environmental requirements and automotive compliance needs.
Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts are ROHS3 compliant with MSL rating of 1 (Unlimited), matching the original part's compliance profile.
Q: Can I use TRR03EZPF1272 in new designs? A: TRR03EZPF1272 is obsolete. For new designs, select from active products: CRCW060312K7FKEA, ERJ-3EKF1272V, RMCF0603FT12K7, CR0603-FX-1272ELF, or RC0603FR-0712K7L.
Q: Do all substitute parts fit the same PCB footprint? A: Yes. All substitute parts use the 0603 (1608 Metric) package with identical footprint dimensions (0.063" L x 0.031" W / 1.60mm x 0.80mm nominal), ensuring direct PCB compatibility.
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