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MCR03EZPFX1373 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX1373 is a 137 kOhms ±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, necessitating identification of equivalent alternatives that maintain identical electrical and mechanical specifications for seamless board-level substitution.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resistance Value | 137 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 to 155°C |
| Number of Terminations | 2 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the MCR03EZPFX1373 is determined by strict equivalence across the following critical parameters:
- Resistance value: 137 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 to 155°C
- Termination count: 2
- RoHS compliance: ROHS3 Compliant
- Moisture sensitivity: MSL 1
Substitute parts are categorized into two groups based on feature alignment:
Direct Equivalents (Automotive AEC-Q200 Rated): CRCW0603137KFKEA (Vishay Dale), ERJ-3EKF1373V (Panasonic Electronic Components), and RMCF0603FT137K (Stackpole Electronics Inc) maintain full automotive qualification and identical electrical specifications.
Similar Equivalents (Moisture Resistant, Non-Automotive Rated): CR0603-FX-1373ELF (Bourns Inc.) and RC0603FR-07137KL (YAGEO) provide equivalent electrical and mechanical performance with moisture-resistant construction but lack explicit AEC-Q200 automotive certification.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Operating Temp | AEC-Q200 | Product Status | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX1373 | Rohm Semiconductor | 137 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Discontinued | 669 Pcs |
| CRCW0603137KFKEA | Vishay Dale | 137 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 50918 Pcs |
| ERJ-3EKF1373V | Panasonic Electronic Components | 137 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 847830 Pcs |
| RMCF0603FT137K | Stackpole Electronics Inc | 137 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 82440 Pcs |
| CR0603-FX-1373ELF | Bourns Inc. | 137 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Active | 64608 Pcs |
| RC0603FR-07137KL | YAGEO | 137 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Active | 231441 Pcs |
Engineering Selection Recommendations
For applications requiring automotive AEC-Q200 compliance, select from the direct equivalent group: CRCW0603137KFKEA, ERJ-3EKF1373V, or RMCF0603FT137K. All three maintain identical electrical specifications and automotive qualification. ERJ-3EKF1373V offers the highest inventory availability at 847,830 pieces. CRCW0603137KFKEA and RMCF0603FT137K provide active status with substantial stock levels.
For non-automotive applications where AEC-Q200 certification is not required, CR0603-FX-1373ELF and RC0603FR-07137KL are functionally equivalent with moisture-resistant construction. RC0603FR-07137KL provides the largest inventory pool at 231,441 pieces.
All substitute parts maintain ROHS3 compliance, MSL 1 rating, and identical package dimensions, enabling direct PCB-level substitution without design modification.
Frequently Asked Questions (FAQ)
Q: Can I substitute MCR03EZPFX1373 with CR0603-FX-1373ELF or RC0603FR-07137KL in automotive applications?
A: CR0603-FX-1373ELF and RC0603FR-07137KL lack AEC-Q200 automotive certification. Use these only in non-automotive applications. For automotive designs, select CRCW0603137KFKEA, ERJ-3EKF1373V, or RMCF0603FT137K.
Q: Are all substitute parts physically compatible with the original PCB footprint?
A: Yes. All substitute parts use the 0603 (1608 Metric) package with identical termination count (2) and compatible physical dimensions. Direct PCB-level substitution is supported without layout modification.
Q: What is the difference between direct equivalents and similar equivalents?
A: Direct equivalents (CRCW0603137KFKEA, ERJ-3EKF1373V, RMCF0603FT137K) carry AEC-Q200 automotive certification matching the original part. Similar equivalents (CR0603-FX-1373ELF, RC0603FR-07137KL) provide identical electrical and mechanical performance with moisture-resistant construction but without automotive qualification.
Q: Do all substitute parts meet RoHS3 compliance?
A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the original MCR03EZPFX1373 specification.
Q: Which substitute part has the best availability?
A: ERJ-3EKF1373V (Panasonic Electronic Components) offers the highest inventory at 847,830 pieces. RC0603FR-07137KL (YAGEO) provides 231,441 pieces for non-automotive applications.
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