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MCR03EZPFX90R9 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX90R9 is a 90.9 Ohms ±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 | 90.9 Ohms |
| 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 |
| Automotive Rating | AEC-Q200 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the MCR03EZPFX90R9 is determined by strict equivalence across the following parameters:
- Resistance value: 90.9 Ohms
- 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
- Moisture sensitivity: MSL 1 (Unlimited)
All substitute parts listed meet these electrical and mechanical specifications. Packaging format (Cut Tape, Tape & Reel, or Digi-Reel) does not affect electrical equivalence but may influence procurement and assembly workflows.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff (ppm/°C) | Operating Temp (°C) | AEC-Q200 | Product Status | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX90R9 | Rohm Semiconductor | 90.9 Ω | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Yes | Discontinued | 760 |
| MCR03ERTF90R9 | Rohm Semiconductor | 90.9 Ω | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | No | Discontinued | 696 |
| CRCW060390R9FKEA | Vishay Dale | 90.9 Ω | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Yes | Active | 20893 |
| ERJ-3EKF90R9V | Panasonic Electronic Components | 90.9 Ω | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Yes | Active | 54630 |
| RMCF0603FG90R9 | Stackpole Electronics Inc | 90.9 Ω | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Yes | Active | 2037 |
| RMCF0603FT90R9 | Stackpole Electronics Inc | 90.9 Ω | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Yes | Active | 81980 |
| RC0603FR-0790R9L | YAGEO | 90.9 Ω | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | No | Active | 94868 |
| RC1608F90R9CS | Samsung Electro-Mechanics | 90.9 Ω | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | No | Active | 1025 |
Engineering Selection Recommendations
For applications requiring AEC-Q200 automotive qualification, select from: CRCW060390R9FKEA (Vishay Dale), ERJ-3EKF90R9V (Panasonic Electronic Components), RMCF0603FG90R9 (Stackpole Electronics Inc), or RMCF0603FT90R9 (Stackpole Electronics Inc). All four maintain full automotive compliance and ROHS3 certification.
For non-automotive applications where AEC-Q200 is not required, RC0603FR-0790R9L (YAGEO) and RC1608F90R9CS (Samsung Electro-Mechanics) are electrically equivalent alternatives with active product status and higher inventory availability.
RMCF0603FT90R9 offers the highest inventory level (81,980 pcs) among active AEC-Q200 qualified parts. ERJ-3EKF90R9V provides the second-highest availability (54,630 pcs) with equivalent automotive ratings.
Frequently Asked Questions (FAQ)
Q: Can MCR03ERTF90R9 replace MCR03EZPFX90R9 in automotive applications?
A: MCR03ERTF90R9 matches all electrical parameters but lacks AEC-Q200 automotive qualification. Use only in non-automotive circuits or where automotive certification is not required.
Q: What is the difference between RMCF0603FG90R9 and RMCF0603FT90R9?
A: Both parts are electrically identical with matching resistance, tolerance, power rating, and temperature specifications. The difference is packaging format: FG indicates Cut Tape (CT) while FT indicates Tape & Reel (TR). Select based on assembly process requirements.
Q: Are YAGEO RC0603FR-0790R9L and Samsung RC1608F90R9CS suitable for automotive designs?
A: Both parts meet electrical specifications but lack AEC-Q200 automotive certification. They are suitable for consumer and industrial applications where automotive qualification is not mandated.
Q: Why do some substitutes show different physical dimensions?
A: Dimension variations (e.g., 0.061" vs 0.063" length, 0.033" vs 0.031" width) fall within the 0603 package tolerance band and do not affect electrical performance or PCB footprint compatibility. All parts are mechanically interchangeable on standard 0603 landing patterns.
Q: Which substitute offers the best availability?
A: RC0603FR-0790R9L (YAGEO) has the highest inventory at 94,868 pcs. For AEC-Q200 qualified alternatives, RMCF0603FT90R9 (Stackpole) provides 81,980 pcs in stock.
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