Equivalent & Substitute Parts for MCR01MZPJ430

Part Overview

The MCR01MZPJ430 is a 43 Ohm ±5% thick film chip resistor in 0402 (1005 Metric) package rated for 1/16W (0.063W) power dissipation. Manufactured by Rohm Semiconductor, this component meets automotive AEC-Q200 qualification standards and operates across -55°C to 155°C. The part is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active product lines to maintain design continuity and supply chain reliability.

Key Parameters

Parameter	Value
Resistance	43 Ohms
Tolerance	±5%
Power Rating	0.063W (1/16W)
Package	0402 (1005 Metric)
Composition	Thick Film
Operating Temperature Range	-55°C to 155°C
Temperature Coefficient	±200ppm/°C
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for MCR01MZPJ430 is determined by strict equivalence across the following parameters:

Resistance Value: 43 Ohms (exact match required)
Tolerance: ±5% (minimum acceptable; ±1% represents an upgrade)
Power Rating: 0.063W / 1/16W (exact match required)
Package: 0402 (1005 Metric) (exact match required)
Composition: Thick Film (exact match required)
Operating Temperature Range: -55°C to 155°C (exact match required)
RoHS Compliance: ROHS3 Compliant (exact match required)
Moisture Sensitivity Level: 1 (Unlimited) (exact match required)

Direct Substitutes maintain all parameters identical to the original part. Upgrade Substitutes improve tolerance specification while maintaining all other electrical and mechanical parameters. Similar Substitutes match all critical parameters but may vary in secondary characteristics such as temperature coefficient or packaging format.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff (ppm/°C)	Operating Temp (°C)	AEC-Q200	Product Status
MCR01MZPJ430	Rohm Semiconductor	43 Ω	±5%	0.063	0402	±200	-55 to 155	Yes	Discontinued
MCR01MRTJ430	Rohm Semiconductor	43 Ω	±5%	0.063	0402	±200	-55 to 155	No	Discontinued
CRCW040243R0JNED	Vishay Dale	43 Ω	±5%	0.063	0402	±200	-55 to 155	Yes	Active
RC0402JR-0743RL	YAGEO	43 Ω	±5%	0.063	0402	±100	-55 to 155	No	Active
RMCF0402JT43R0	Stackpole Electronics Inc	43 Ω	±5%	0.063	0402	±100	-55 to 155	Yes	Active
CRCW040243R0FKED	Vishay Dale	43 Ω	±1%	0.063	0402	±100	-55 to 155	Yes	Active
CR0402-JW-430GLF	Bourns Inc.	43 Ω	±5%	0.063	0402	±200	-55 to 155	No	Active

Engineering Selection Recommendations

For Automotive AEC-Q200 Applications: CRCW040243R0JNED (Vishay Dale) and RMCF0402JT43R0 (Stackpole Electronics Inc) are direct functional equivalents with active product status and AEC-Q200 certification. Both maintain the original ±5% tolerance and ±200ppm/°C temperature coefficient specification. CRCW040243R0JNED offers higher inventory availability (18,580 units) in Tape & Reel packaging. RMCF0402JT43R0 provides equivalent performance with 30,600 units in stock.

For Enhanced Tolerance Requirements: CRCW040243R0FKED (Vishay Dale) upgrades tolerance to ±1% while maintaining AEC-Q200 certification, active status, and all other electrical parameters. This option is suitable for applications requiring tighter resistance accuracy without design modification.

For Non-Automotive Applications: RC0402JR-0743RL (YAGEO) and CR0402-JW-430GLF (Bourns Inc.) provide equivalent electrical performance with active product status. RC0402JR-0743RL includes moisture-resistant features and offers the highest inventory level (30,611 units). CR0402-JW-430GLF maintains ±200ppm/°C temperature coefficient matching the original specification.

Frequently Asked Questions (FAQ)

Q: Can MCR01MRTJ430 be used as a direct replacement for MCR01MZPJ430? A: MCR01MRTJ430 matches all electrical and mechanical parameters (43 Ω, ±5%, 0.063W, 0402 package, ±200ppm/°C, -55°C to 155°C). However, both parts are discontinued. For active supply, select from CRCW040243R0JNED, RMCF0402JT43R0, or RC0402JR-0743RL.

Q: What is the difference between direct substitutes and upgrade substitutes? A: Direct substitutes maintain identical specifications across all parameters. Upgrade substitutes improve one or more specifications—in this case, CRCW040243R0FKED upgrades tolerance from ±5% to ±1% while preserving all other electrical and mechanical characteristics.

Q: Does the temperature coefficient difference between ±100ppm/°C and ±200ppm/°C affect substitution? A: Temperature coefficient is a secondary parameter. Parts with ±100ppm/°C (RC0402JR-0743RL, RMCF0402JT43R0, CRCW040243R0FKED) provide superior temperature stability. Selection depends on circuit requirements; if the original design specified ±200ppm/°C, ±100ppm/°C alternatives are functionally compatible and represent improved performance.

Q: Are all substitute parts RoHS3 compliant? A: All listed substitute parts are ROHS3 Compliant and REACH Unaffected, matching the original MCR01MZPJ430 environmental compliance status.

Q: What packaging formats are available for these substitutes? A: CRCW040243R0JNED, RC0402JR-0743RL, RMCF0402JT43R0, CRCW040243R0FKED, and CR0402-JW-430GLF are supplied in Tape & Reel (TR) format. MCR01MRTJ430 is available in Cut Tape (CT) & Digi-Reel® format. Verify packaging compatibility with assembly equipment specifications.

Q: Which substitute offers the best inventory availability? A: CR0402-JW-430GLF (Bourns Inc.) provides 40,980 units in stock. RC0402JR-0743RL (YAGEO) offers 30,611 units, and RMCF0402JT43R0 (Stackpole Electronics Inc.) provides 30,600 units. CRCW040243R0JNED (Vishay Dale) maintains 18,580 units with AEC-Q200 certification.

Q: Can non-AEC-Q200 parts be used in automotive applications? A: Substitution eligibility depends on application requirements. If AEC-Q200 certification is mandatory, select CRCW040243R0JNED, RMCF0402JT43R0, or CRCW040243R0FKED. If AEC-Q200 is not required, RC0402JR-0743RL and CR0402-JW-430GLF are functionally equivalent alternatives.

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