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MCR03EZPFX40R2 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX40R2 is a 40.2 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 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 | 40.2 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 ~ 155°C |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the MCR03EZPFX40R2 is determined by strict equivalence across the following parameters:
- Resistance value: 40.2 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 ~ 155°C
- RoHS3 compliance
- MSL rating: 1 (Unlimited)
All substitute parts listed meet these electrical and mechanical specifications. Differences in physical dimensions (length and height) within the 0603 package tolerance and packaging format (Cut Tape vs. Tape & Reel) do not affect functional equivalence.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Operating Temp | Product Status | RoHS3 | MSL |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX40R2 | Rohm Semiconductor | 40.2 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Discontinued | Yes | 1 |
| CRCW060340R2FKEA | Vishay Dale | 40.2 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Active | Yes | 1 |
| ERJ-3EKF40R2V | Panasonic Electronic Components | 40.2 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Active | Yes | 1 |
| RMCF0603FT40R2 | Stackpole Electronics Inc | 40.2 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Active | Yes | 1 |
| CR0603-FX-40R2ELF | Bourns Inc. | 40.2 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Active | Yes | 1 |
| RC0603FR-0740R2L | YAGEO | 40.2 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Active | Yes | 1 |
Engineering Selection Recommendations
All listed substitute parts are functionally equivalent to the MCR03EZPFX40R2 and meet the specified electrical and mechanical requirements. Selection among active alternatives should be based on:
- Product availability and lead time
- Packaging format requirements (Cut Tape vs. Tape & Reel)
- Supply chain and procurement preferences
- Inventory levels at authorized distributors
The CRCW060340R2FKEA (Vishay Dale), ERJ-3EKF40R2V (Panasonic), RMCF0603FT40R2 (Stackpole), CR0603-FX-40R2ELF (Bourns), and RC0603FR-0740R2L (YAGEO) are all active products with RoHS3 compliance and MSL 1 rating, making them suitable direct replacements in automotive and industrial applications requiring AEC-Q200 rated components.
Frequently Asked Questions (FAQ)
Q: Can I use any of these substitute parts interchangeably with the MCR03EZPFX40R2?
A: Yes. All listed parts meet identical electrical specifications (40.2 Ω ±1%, 0.1W, ±100ppm/°C) and are packaged in 0603 (1608 Metric) format with matching operating temperature ranges (-55°C to 155°C) and RoHS3 compliance.
Q: What is the difference between Cut Tape and Tape & Reel packaging?
A: Cut Tape (CT) packaging is suitable for small-quantity applications and manual assembly. Tape & Reel (TR) packaging is designed for automated pick-and-place equipment and high-volume production. Both formats contain identical components; the difference is in handling and dispensing method.
Q: Are there dimensional differences between substitute parts?
A: Minor dimensional variations exist within 0603 package tolerance. The MCR03EZPFX40R2, ERJ-3EKF40R2V, and RC0603FR-0740R2L measure 0.063" L × 0.031" W (1.60mm × 0.80mm). The CRCW060340R2FKEA measures 0.061" L × 0.033" W (1.55mm × 0.85mm), and the RMCF0603FT40R2 measures 0.061" L × 0.031" W (1.55mm × 0.80mm). These variations are within standard 0603 package specifications and do not affect PCB layout or functionality.
Q: Do all substitutes carry automotive certification?
A: The MCR03EZPFX40R2 carries AEC-Q200 rating. The CR0603-FX-40R2ELF and RC0603FR-0740R2L are rated as moisture resistant but do not explicitly list AEC-Q200 certification in the provided specifications. The CRCW060340R2FKEA, ERJ-3EKF40R2V, and RMCF0603FT40R2 all carry AEC-Q200 certification, making them direct automotive-grade equivalents.
Q: What is MSL 1 rating?
A: Moisture Sensitivity Level 1 (MSL 1) indicates unlimited shelf life with no moisture precautions required. The component can be stored and handled under standard conditions without special desiccant packaging or baking procedures.
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