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MCR03EZPFX27R0 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX27R0 is a 27 Ohm ±1% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Rohm Semiconductor. This component is rated for automotive applications under AEC-Q200 standard with an operating temperature range of -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 | 27 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 is determined by strict equivalence across the following parameters: resistance value (27 Ohms), tolerance (±1%), power rating (0.1W), package type (0603), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and RoHS3 compliance. All listed substitutes meet these core electrical and mechanical specifications.
Substitutes are grouped into two categories:
Direct Substitutes maintain full AEC-Q200 automotive qualification: CRCW060327R0FKEA (Vishay Dale), ERJ-3EKF27R0V (Panasonic Electronic Components), and RMCF0603FT27R0 (Stackpole Electronics Inc).
Similar Substitutes meet all electrical and mechanical parameters but vary in specific feature sets: AC0603FR-0727RL and RC0603FR-0727RL (YAGEO, moisture resistant) and CR0603-FX-27R0ELF (Bourns Inc., moisture resistant).
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Operating Temp | AEC-Q200 | RoHS3 | Product Status |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX27R0 | Rohm Semiconductor | 27 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Yes | Discontinued |
| CRCW060327R0FKEA | Vishay Dale | 27 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Yes | Active |
| ERJ-3EKF27R0V | Panasonic Electronic Components | 27 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Yes | Active |
| RMCF0603FT27R0 | Stackpole Electronics Inc | 27 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Yes | Active |
| AC0603FR-0727RL | YAGEO | 27 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Yes | Active |
| CR0603-FX-27R0ELF | Bourns Inc. | 27 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Yes | Active |
| RC0603FR-0727RL | YAGEO | 27 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Yes | Active |
Engineering Selection Recommendations
For automotive applications requiring AEC-Q200 compliance, select from the direct substitutes: CRCW060327R0FKEA, ERJ-3EKF27R0V, or RMCF0603FT27R0. All three maintain active product status with full automotive qualification and RoHS3 compliance.
RMCF0603FT27R0 (Stackpole Electronics Inc) offers the highest inventory availability at 341,154 pieces. CRCW060327R0FKEA (Vishay Dale) provides 54,080 pieces in Tape & Reel packaging. ERJ-3EKF27R0V (Panasonic Electronic Components) supplies 64,858 pieces, also in Tape & Reel format.
For non-automotive applications where AEC-Q200 is not required, AC0603FR-0727RL, RC0603FR-0727RL (YAGEO), and CR0603-FX-27R0ELF (Bourns Inc.) are viable alternatives. These parts maintain all electrical and mechanical specifications with RoHS3 compliance and active product status.
Frequently Asked Questions (FAQ)
Q: Can I use a substitute part not rated for AEC-Q200 in an automotive application? A: No. If the original design specifies AEC-Q200 compliance, only direct substitutes with AEC-Q200 rating (CRCW060327R0FKEA, ERJ-3EKF27R0V, RMCF0603FT27R0) are acceptable. Non-automotive rated parts do not meet automotive qualification standards.
Q: Are all substitute parts pin-compatible with the MCR03EZPFX27R0? A: Yes. All listed substitutes use the 0603 (1608 Metric) package with 2 terminations, ensuring mechanical and electrical compatibility on PCB layouts designed for the original part.
Q: What is the difference between Direct and Similar substitutes? A: Direct substitutes maintain full AEC-Q200 automotive qualification. Similar substitutes meet all electrical and mechanical parameters but lack AEC-Q200 certification or include additional features such as moisture resistance. Selection depends on application requirements.
Q: Does packaging format (Tape & Reel vs. Cut Tape) affect electrical performance? A: No. Packaging format affects only handling, storage, and assembly processes. Electrical and mechanical specifications remain identical regardless of packaging type.
Q: Are all substitutes RoHS3 compliant? A: Yes. All listed substitutes carry RoHS3 compliance certification, matching the original MCR03EZPFX27R0.
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