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MCR03EZPFX1053 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX1053 is a 105 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, making equivalent substitutes necessary for ongoing production and maintenance applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 105 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 ~ 155°C |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the MCR03EZPFX1053 is determined by strict equivalence across the following parameters: resistance value (105 kOhms), 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 identified substitutes meet these core electrical and mechanical specifications. Parts are grouped into two categories: Direct Manufacturer Substitutes (same manufacturer series or direct equivalents from other manufacturers with identical AEC-Q200 automotive rating) and Similar Substitutes (functionally equivalent but with moisture-resistant features instead of automotive AEC-Q200 certification).
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Operating Temp | AEC-Q200 | Product Status |
|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX1053 | Rohm Semiconductor | 105 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Discontinued |
| MCR03ERTF1053 | Rohm Semiconductor | 105 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Discontinued |
| CRCW0603105KFKEA | Vishay Dale | 105 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active |
| ERJ-3EKF1053V | Panasonic Electronic Components | 105 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active |
| RMCF0603FT105K | Stackpole Electronics Inc | 105 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active |
| CR0603-FX-1053ELF | Bourns Inc. | 105 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Active |
| RC0603FR-07105KL | YAGEO | 105 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Active |
Engineering Selection Recommendations
For applications requiring AEC-Q200 automotive qualification, select from CRCW0603105KFKEA (Vishay Dale), ERJ-3EKF1053V (Panasonic Electronic Components), or RMCF0603FT105K (Stackpole Electronics Inc). All three are currently in active production status and maintain full AEC-Q200 compliance with identical electrical specifications to the original MCR03EZPFX1053.
For non-automotive applications where AEC-Q200 certification is not required, CR0603-FX-1053ELF (Bourns Inc.) and RC0603FR-07105KL (YAGEO) provide functionally equivalent substitutes with moisture-resistant thick film construction and active product status. MCR03ERTF1053 from Rohm Semiconductor is electrically equivalent but is discontinued and lacks AEC-Q200 rating.
All substitute parts maintain ROHS3 compliance, MSL Level 1 rating, and identical package dimensions suitable for direct PCB footprint compatibility.
Frequently Asked Questions (FAQ)
Q: Can I use CR0603-FX-1053ELF or RC0603FR-07105KL as direct replacements in automotive applications?
A: These parts are functionally equivalent in electrical performance but lack AEC-Q200 automotive certification. Use only in non-automotive applications or where automotive qualification is not a design requirement.
Q: Are all substitute parts compatible with the same PCB footprint as MCR03EZPFX1053?
A: Yes. All listed substitutes use the 0603 (1608 Metric) package with identical termination count (2) and compatible physical dimensions within standard PCB design tolerances.
Q: What is the difference between MCR03EZPFX1053 and MCR03ERTF1053?
A: Both are Rohm Semiconductor thick film 105 kOhms ±1% 0.1W resistors in 0603 package. MCR03ERTF1053 differs in packaging format (Cut Tape & Digi-Reel versus standard packaging) and lacks AEC-Q200 rating. Both are discontinued.
Q: Which substitute offers the highest inventory availability?
A: RC0603FR-07105KL (YAGEO) has 236,245 pieces in stock, followed by RMCF0603FT105K (Stackpole) with 44,962 pieces and CRCW0603105KFKEA (Vishay Dale) with 44,014 pieces.
Q: Do all substitutes meet RoHS3 compliance?
A: Yes. All listed substitute parts are ROHS3 compliant with MSL Level 1 (Unlimited) moisture sensitivity rating.
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