Request Quote
(Ships tomorrow)
MCR03EZPFX2430 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX2430 is a 243 Ohms ±1% 0.1W chip resistor in 0603 (1608 Metric) package manufactured by Rohm Semiconductor. This thick film resistor 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 | 243 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 to 155°C |
| Number of Terminations | 2 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the MCR03EZPFX2430 is determined by strict equivalence across the following parameters:
- Resistance value: 243 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 to 155°C
- Termination count: 2
- RoHS3 compliance
- MSL rating: 1 (Unlimited)
All substitute parts listed meet these core electrical and mechanical specifications. Differences in physical dimensions (length and height) remain within acceptable tolerances for 0603 package variants and do not affect circuit functionality or PCB assembly compatibility.
Parameter Comparison
| Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Op. Temp Range | Status | RoHS3 |
|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX2430 | Rohm Semiconductor | 243 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Discontinued | Yes |
| CRCW0603243RFKEA | Vishay Dale | 243 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Active | Yes |
| ERJ-3EKF2430V | Panasonic Electronic Components | 243 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Active | Yes |
| RC0603FR-07243RL | YAGEO | 243 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Active | Yes |
| RMCF0603FT243R | Stackpole Electronics Inc | 243 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Active | Yes |
| CR0603-FX-2430ELF | Bourns Inc. | 243 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Active | Yes |
Engineering Selection Recommendations
All listed substitute parts are electrically and mechanically equivalent to the MCR03EZPFX2430. Selection among active alternatives should be based on:
Product Availability: CRCW0603243RFKEA (Vishay Dale), ERJ-3EKF2430V (Panasonic), RC0603FR-07243RL (YAGEO), RMCF0603FT243R (Stackpole), and CR0603-FX-2430ELF (Bourns) are all currently active products with confirmed inventory.
Compliance Certifications: CRCW0603243RFKEA, ERJ-3EKF2430V, and RMCF0603FT243R carry AEC-Q200 automotive qualification. RC0603FR-07243RL and CR0603-FX-2430ELF feature moisture-resistant construction. All parts are ROHS3 compliant and carry MSL 1 rating.
Supply Chain Continuity: RC0603FR-07243RL (YAGEO) offers the highest inventory level at 193,449 pieces. ERJ-3EKF2430V (Panasonic) provides 35,308 pieces. CRCW0603243RFKEA (Vishay Dale) stocks 5,400 pieces.
Frequently Asked Questions (FAQ)
Q: Can I substitute MCR03EZPFX2430 with any of the listed parts?
A: Yes. All listed parts meet the core electrical specifications (243 Ω, ±1%, 0.1W, 0603 package, ±100ppm/°C, -55°C to 155°C operating range) and are mechanically compatible with 0603 footprints. Physical dimension variations within the 0603 package specification do not affect PCB assembly or circuit performance.
Q: What is the difference between AEC-Q200 rated and moisture-resistant variants?
A: AEC-Q200 rated parts (CRCW0603243RFKEA, ERJ-3EKF2430V, RMCF0603FT243R) meet automotive qualification standards. Moisture-resistant variants (RC0603FR-07243RL, CR0603-FX-2430ELF) provide enhanced environmental protection. Both categories meet the operating temperature range and tolerance requirements of the original part.
Q: Are there any packaging differences I should consider?
A: All substitute parts are supplied in Tape & Reel (TR) packaging, standard for automated assembly. The 0603 (1608 Metric) package designation is consistent across all parts. Minor dimensional variations (length 1.55mm to 1.60mm, height 0.50mm to 0.55mm) fall within 0603 package tolerances and do not affect PCB placement or soldering.
Q: Which substitute offers the best long-term availability?
A: RC0603FR-07243RL (YAGEO) demonstrates the highest inventory level and active product status, supporting sustained supply for production requirements. ERJ-3EKF2430V (Panasonic) and CRCW0603243RFKEA (Vishay Dale) provide secondary sourcing options with confirmed active status.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts





