MCR10EZPJ430 Equivalent & Substitute Parts

Part Overview

The MCR10EZPJ430 is a 43 Ohms ±5% 0.125W (1/8W) chip resistor in 0805 (2012 Metric) package manufactured by Rohm Semiconductor. This automotive-grade component features AEC-Q200 certification and thick film composition, designed for applications requiring reliable performance across -55°C to 155°C operating temperature range. The part is currently discontinued at DiGi Electronics, necessitating identification of equivalent alternatives that maintain electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Resistance	43 Ohms
Tolerance	±5%
Power Rating	0.125W (1/8W)
Package	0805 (2012 Metric)
Composition	Thick Film
Temperature Coefficient	±200ppm/°C
Operating Temperature Range	-55°C to 155°C
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts are classified based on electrical and mechanical parameter alignment with the MCR10EZPJ430:

Direct Equivalents maintain identical electrical specifications (43 Ohms, ±5% tolerance, 0.125W power rating, 0805 package, AEC-Q200 certification):

ERJ-6GEYJ430V (Panasonic Electronic Components)
RMCF0805JT43R0 (Stackpole Electronics Inc)
CR0805-JW-430ELF (Bourns Inc.)

Upgrade Options provide enhanced performance characteristics while maintaining core compatibility:

ESR10EZPJ430 (Rohm Semiconductor): Increased power rating (0.4W) with pulse withstanding capability
CRCW080543R0FKEA (Vishay Dale): Tighter tolerance (±1%) and lower temperature coefficient (±100ppm/°C)
ERJ-P06J430V (Panasonic Electronic Components): Increased power rating (0.5W) with pulse withstanding capability

All substitute parts share the same 0805 package footprint, 43 Ohm resistance value, and automotive AEC-Q200 certification, ensuring mechanical and electrical interchangeability within their respective classification.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Package	AEC-Q200	Product Status
MCR10EZPJ430	Rohm Semiconductor	43 Ω	±5%	0.125	±200	0805	Yes	Discontinued
ERJ-6GEYJ430V	Panasonic Electronic Components	43 Ω	±5%	0.125	±200	0805	Yes	Active
RMCF0805JT43R0	Stackpole Electronics Inc	43 Ω	±5%	0.125	±200	0805	Yes	Active
CR0805-JW-430ELF	Bourns Inc.	43 Ω	±5%	0.125	±200	0805	No	Active
ESR10EZPJ430	Rohm Semiconductor	43 Ω	±5%	0.4	±200	0805	Yes	Active
CRCW080543R0FKEA	Vishay Dale	43 Ω	±1%	0.125	±100	0805	Yes	Active
ERJ-P06J430V	Panasonic Electronic Components	43 Ω	±5%	0.5	±200	0805	Yes	Active

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): Select ERJ-6GEYJ430V or RMCF0805JT43R0 when exact electrical and thermal performance matching is required. Both parts maintain active product status with AEC-Q200 certification and ±200ppm/°C temperature coefficient. ERJ-6GEYJ430V offers higher inventory availability (22,639 pcs), while RMCF0805JT43R0 provides alternative sourcing (4,363 pcs).

For Enhanced Tolerance Requirements: CRCW080543R0FKEA provides ±1% tolerance with ±100ppm/°C temperature coefficient, suitable for applications requiring tighter resistance accuracy. This part maintains 0.125W power rating and AEC-Q200 certification with highest inventory availability (30,611 pcs).

For Increased Power Dissipation: ESR10EZPJ430 (0.4W) or ERJ-P06J430V (0.5W) accommodate applications requiring higher power handling while maintaining 43 Ohm resistance and ±5% tolerance. Both feature pulse withstanding capability and AEC-Q200 certification. ESR10EZPJ430 is from the original manufacturer (Rohm Semiconductor).

Compliance Considerations: All recommended parts are ROHS3 compliant, REACH unaffected, and classified as EAR99 for export control purposes. Moisture sensitivity level remains at MSL 1 (Unlimited) across all alternatives.

Frequently Asked Questions (FAQ)

Q: Can CR0805-JW-430ELF replace MCR10EZPJ430 in automotive applications? A: CR0805-JW-430ELF provides electrical equivalence (43 Ω, ±5%, 0.125W, 0805 package) but lacks AEC-Q200 certification. It is suitable for non-automotive applications or where automotive qualification is not required. For automotive designs requiring AEC-Q200, select ERJ-6GEYJ430V, RMCF0805JT43R0, or upgrade options.

Q: What is the difference between direct equivalents and upgrade options? A: Direct equivalents (ERJ-6GEYJ430V, RMCF0805JT43R0, CR0805-JW-430ELF) maintain identical electrical specifications. Upgrade options provide enhanced characteristics: ESR10EZPJ430 and ERJ-P06J430V increase power rating with pulse withstanding; CRCW080543R0FKEA improves tolerance and temperature coefficient stability.

Q: Are all substitute parts mechanically compatible with the original footprint? A: Yes. All listed parts use 0805 (2012 Metric) package with identical footprint dimensions (0.079" L × 0.049" W). Height variations (0.020" to 0.028" seated maximum) are within standard PCB assembly tolerances and do not affect mechanical compatibility.

Q: Which substitute offers the best long-term availability? A: CRCW080543R0FKEA (Vishay Dale) shows highest inventory (30,611 pcs), followed by ERJ-6GEYJ430V (22,639 pcs) and CR0805-JW-430ELF (25,789 pcs). For automotive-qualified alternatives, ERJ-6GEYJ430V provides optimal availability with active product status.

Q: Can I use a higher power-rated part as a direct substitute? A: Yes. ESR10EZPJ430 (0.4W) and ERJ-P06J430V (0.5W) are electrically and mechanically compatible. Higher power rating provides design margin without affecting circuit performance. Verify PCB thermal design accommodates the component if operating near maximum power dissipation.

Q: What is the significance of temperature coefficient differences? A: MCR10EZPJ430 and most direct equivalents specify ±200ppm/°C. CRCW080543R0FKEA offers ±100ppm/°C, providing superior resistance stability across temperature extremes. Select based on circuit tolerance requirements; general applications tolerate ±200ppm/°C.

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