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MCR03EZPFX2553 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX2553 is a 255 kOhms ±1% 0.1W chip resistor in 0603 (1608 Metric) package manufactured by Rohm Semiconductor. This automotive-grade thick film resistor meets AEC-Q200 qualification standards and operates across -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 | 255 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 |
| Ratings | AEC-Q200 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the MCR03EZPFX2553 is determined by strict equivalence across the following parameters:
- Resistance value: 255 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
- RoHS3 compliance
- MSL rating: 1 (Unlimited)
All substitute parts listed meet these core electrical and mechanical specifications. Substitutes are categorized as Direct (matching AEC-Q200 automotive qualification) or Similar (meeting general specifications with alternative feature sets such as moisture resistance).
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Operating Temp | Features | Product Status | RoHS3 |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX2553 | Rohm Semiconductor | 255 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Automotive AEC-Q200 | Discontinued | Yes |
| CRCW0603255KFKEA | Vishay Dale | 255 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Automotive AEC-Q200 | Active | Yes |
| ERJ-3EKF2553V | Panasonic Electronic Components | 255 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Automotive AEC-Q200 | Active | Yes |
| RMCF0603FT255K | Stackpole Electronics Inc | 255 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Automotive AEC-Q200 | Active | Yes |
| CR0603-FX-2553ELF | Bourns Inc. | 255 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Moisture Resistant | Active | Yes |
| RC0603FR-07255KL | YAGEO | 255 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Moisture Resistant | Active | Yes |
| RC1608F2553CS | Samsung Electro-Mechanics | 255 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Moisture Resistant | Active | Yes |
Engineering Selection Recommendations
All listed substitute parts are electrically and mechanically equivalent to the MCR03EZPFX2553 and maintain ROHS3 compliance with MSL rating 1 (Unlimited).
Direct substitutes with active product status and AEC-Q200 automotive qualification:
- CRCW0603255KFKEA (Vishay Dale) — 58,089 units in stock
- ERJ-3EKF2553V (Panasonic Electronic Components) — 76,297 units in stock
- RMCF0603FT255K (Stackpole Electronics Inc) — 20,066 units in stock
Similar substitutes with active product status and moisture-resistant features:
- CR0603-FX-2553ELF (Bourns Inc.) — 23,010 units in stock
- RC0603FR-07255KL (YAGEO) — 155,058 units in stock
- RC1608F2553CS (Samsung Electro-Mechanics) — 1,616 units in stock
For automotive applications requiring AEC-Q200 certification, select from the Direct substitute group. For general-purpose applications where moisture resistance is beneficial, Similar substitutes are acceptable. All parts share identical electrical performance and 0603 package footprint compatibility.
Frequently Asked Questions (FAQ)
Q: Can I use a Similar substitute part in place of the original MCR03EZPFX2553 in an automotive application?
A: Similar substitutes (CR0603-FX-2553ELF, RC0603FR-07255KL, RC1608F2553CS) do not carry AEC-Q200 automotive qualification. Use Direct substitutes (CRCW0603255KFKEA, ERJ-3EKF2553V, RMCF0603FT255K) for automotive applications requiring AEC-Q200 compliance.
Q: Are all substitute parts compatible with the same PCB footprint?
A: Yes. All substitute parts use the 0603 (1608 Metric) package with identical electrical terminations and are footprint-compatible. Minor dimensional variations (length 1.55mm to 1.60mm, height 0.50mm to 0.55mm) do not affect PCB assembly.
Q: What is the difference between Direct and Similar substitutes?
A: Direct substitutes carry AEC-Q200 automotive qualification matching the original part. Similar substitutes meet the same electrical and mechanical specifications but feature moisture-resistant composition instead of automotive certification. Selection depends on application requirements.
Q: Do all substitute parts have the same temperature coefficient?
A: Yes. All substitute parts maintain ±100ppm/°C temperature coefficient and operate across -55°C to 155°C, matching the original MCR03EZPFX2553 specifications.
Q: Which substitute has the highest inventory availability?
A: RC0603FR-07255KL (YAGEO) has 155,058 units in stock, followed by ERJ-3EKF2553V (Panasonic) with 76,297 units.
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