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MCR03EZPFX1101 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX1101 is a 1.1 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 | 1.1 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 |
| Automotive Rating | AEC-Q200 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the MCR03EZPFX1101 is determined by strict equivalence across the following parameters:
- Resistance value: 1.1 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 ~ 155°C
- Automotive compliance: AEC-Q200
- RoHS compliance: ROHS3
Parts are classified as Direct Substitutes when all parameters match exactly. Parts classified as Similar Substitutes meet all electrical and mechanical requirements but may have minor feature variations (such as moisture resistance enhancements) that do not affect functional equivalence.
Parameter Comparison
| Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Operating Temp | AEC-Q200 | Product Status | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX1101 | Rohm Semiconductor | 1.1 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Discontinued | 802 Pcs |
| CRCW06031K10FKEA | Vishay Dale | 1.1 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 63437 Pcs |
| CRCW06031K10FKEB | Vishay Dale | 1.1 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Discontinued | 46495 Pcs |
| ERJ-3EKF1101V | Panasonic Electronic Components | 1.1 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 229040 Pcs |
| RMCF0603FT1K10 | Stackpole Electronics Inc | 1.1 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 84648 Pcs |
| AC0603FR-071K1L | YAGEO | 1.1 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 51273 Pcs |
| CR0603-FX-1101ELF | Bourns Inc. | 1.1 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Active | 50524 Pcs |
Engineering Selection Recommendations
Direct substitutes with active product status and full AEC-Q200 compliance are preferred for automotive applications:
- CRCW06031K10FKEA (Vishay Dale): Active status with highest inventory availability among direct substitutes. Recommended as primary replacement.
- ERJ-3EKF1101V (Panasonic Electronic Components): Active status with largest inventory stock. Suitable for high-volume production requirements.
- RMCF0603FT1K10 (Stackpole Electronics Inc): Active status with substantial inventory. Equivalent performance characteristics.
CRCW06031K10FKEB (Vishay Dale) is a direct substitute but carries discontinued status, limiting long-term supply reliability.
AC0603FR-071K1L (YAGEO) and CR0603-FX-1101ELF (Bourns Inc.) are similar substitutes meeting all electrical and mechanical requirements. AC0603FR-071K1L includes moisture resistance enhancement. CR0603-FX-1101ELF does not carry AEC-Q200 rating and is suitable only for non-automotive applications.
Frequently Asked Questions (FAQ)
Q: Can MCR03EZPFX1101 be replaced with any of these substitute parts in automotive applications?
A: Direct substitutes with AEC-Q200 rating (CRCW06031K10FKEA, CRCW06031K10FKEB, ERJ-3EKF1101V, RMCF0603FT1K10, and AC0603FR-071K1L) are suitable for automotive applications. CR0603-FX-1101ELF lacks AEC-Q200 certification and is not recommended for automotive use.
Q: What is the difference between Direct and Similar substitutes?
A: Direct substitutes match all specified parameters including automotive certification. Similar substitutes meet electrical and mechanical requirements but may lack specific certifications (such as AEC-Q200) or include additional features not present in the original part.
Q: Are there packaging differences between these substitutes?
A: All substitutes use the 0603 (1608 Metric) package. Packaging format variations (Cut Tape, Tape & Reel) do not affect electrical or mechanical compatibility and depend on procurement requirements.
Q: Which substitute offers the best supply availability?
A: ERJ-3EKF1101V (Panasonic Electronic Components) currently has the largest inventory stock at 229,040 pieces, followed by RMCF0603FT1K10 (Stackpole Electronics Inc) at 84,648 pieces.
Q: Can I use CR0603-FX-1101ELF as a substitute?
A: CR0603-FX-1101ELF meets all electrical and mechanical specifications but lacks AEC-Q200 automotive certification. Use is limited to non-automotive applications only.
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