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MCR03EZPFX39R2 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX39R2 is a 39.2 Ohms ±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 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 | 39.2 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 to 155°C |
| Automotive Rating | AEC-Q200 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the MCR03EZPFX39R2 is determined by strict equivalence across the following parameters:
- Resistance value: 39.2 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 to 155°C
- RoHS compliance: ROHS3 Compliant
- Moisture sensitivity level: 1 (Unlimited)
Substitute parts are categorized as Direct Equivalents when all parameters match exactly, including automotive AEC-Q200 certification. Similar substitutes meet all electrical and mechanical parameters but may differ in specific features such as automotive rating or moisture resistance designation.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Op. Temp Range | AEC-Q200 | Product Status | Packaging Type |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX39R2 | Rohm Semiconductor | 39.2 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 to 155°C | Yes | Discontinued | Cut Tape (CT) & Digi-Reel |
| MCR03ERTF39R2 | Rohm Semiconductor | 39.2 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 to 155°C | No | Discontinued | Cut Tape (CT) & Digi-Reel |
| CRCW060339R2FKEA | Vishay Dale | 39.2 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 to 155°C | Yes | Active | Tape & Reel (TR) |
| ERJ-3EKF39R2V | Panasonic Electronic Components | 39.2 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 to 155°C | Yes | Active | Tape & Reel (TR) |
| RMCF0603FT39R2 | Stackpole Electronics Inc | 39.2 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 to 155°C | Yes | Active | Tape & Reel (TR) |
| CR0603-FX-39R2ELF | Bourns Inc. | 39.2 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 to 155°C | No | Active | Tape & Reel (TR) |
| RC0603FR-0739R2L | YAGEO | 39.2 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 to 155°C | No | Active | Tape & Reel (TR) |
| RC1608F39R2CS | Samsung Electro-Mechanics | 39.2 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 to 155°C | No | Active | Cut Tape (CT) |
Engineering Selection Recommendations
For applications requiring AEC-Q200 automotive certification, direct equivalents are CRCW060339R2FKEA (Vishay Dale), ERJ-3EKF39R2V (Panasonic Electronic Components), and RMCF0603FT39R2 (Stackpole Electronics Inc). All three are currently in active production status with high inventory availability.
For non-automotive applications or where automotive certification is not mandatory, CR0603-FX-39R2ELF (Bourns Inc.), RC0603FR-0739R2L (YAGEO), and RC1608F39R2CS (Samsung Electro-Mechanics) provide equivalent electrical and mechanical performance. These parts are also in active production.
MCR03ERTF39R2 from Rohm Semiconductor meets all electrical specifications but lacks AEC-Q200 certification and is discontinued, making it unsuitable for new designs requiring automotive qualification.
Frequently Asked Questions (FAQ)
Q: Can I use a substitute part with different packaging (Tape & Reel vs. Cut Tape)?
A: Yes. Tape & Reel and Cut Tape packaging contain identical components; the difference is only in the delivery format. Selection depends on your assembly process requirements and volume needs.
Q: What is the significance of AEC-Q200 certification?
A: AEC-Q200 certification indicates the component meets automotive industry reliability and quality standards. Use AEC-Q200 rated parts for automotive applications. For non-automotive use, non-certified equivalents are acceptable.
Q: Are all substitute parts pin-compatible with the original MCR03EZPFX39R2?
A: Yes. All listed substitutes share the same 0603 (1608 Metric) package with identical footprint, pin count (2 terminations), and mechanical dimensions, ensuring direct PCB compatibility.
Q: Does the temperature coefficient affect substitution eligibility?
A: All listed substitutes maintain the same ±100ppm/°C temperature coefficient and -55°C to 155°C operating range as the original part, ensuring equivalent thermal performance.
Q: Which substitute offers the highest inventory availability?
A: RC0603FR-0739R2L (YAGEO) has 281,032 pieces in stock, followed by ERJ-3EKF39R2V (Panasonic) with 121,790 pieces.
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