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

MCR03EZPFX2430
Rohm SemiconductorIn Stock: 752MCR03EZPFX2430 Datasheet
MCR03EZPFX2430
Current Part
CRCW0603243RFKEA
Vishay DaleIn Stock: 5411CRCW0603243RFKEA Datasheet
CRCW0603243RFKEA
Direct
ERJ-3EKF2430V
Panasonic Electronic ComponentsIn Stock: 35412ERJ-3EKF2430V Datasheet
ERJ-3EKF2430V
Direct
RC0603FR-07243RL
YAGEOIn Stock: 193552RC0603FR-07243RL Datasheet
RC0603FR-07243RL
Direct
RMCF0603FT243R
Stackpole Electronics IncIn Stock: 783RMCF0603FT243R Datasheet
RMCF0603FT243R
Direct
CR0603-FX-2430ELF
Bourns Inc.In Stock: 48082CR0603-FX-2430ELF Datasheet
CR0603-FX-2430ELF
Similar

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.

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