MCR01MZPJ303 Equivalent & Substitute Parts

Part Overview

The MCR01MZPJ303 is a 30 kOhms ±5% thick film chip resistor in 0402 (1005 Metric) package rated for 1/16W (0.063W) power dissipation. Manufactured by Rohm Semiconductor, this component is designed for automotive applications and meets AEC-Q200 qualification standards. The part is currently discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing production and maintenance applications.

Key Parameters

Parameter	Value
Resistance	30 kOhms
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 for the MCR01MZPJ303 is determined by strict equivalence in the following parameters:

Resistance Value: 30 kOhms (exact match required)
Package Type: 0402 (1005 Metric) (physical and electrical compatibility)
Power Rating: Minimum 0.063W (1/16W) or higher
Tolerance: ±5% or tighter (±1% is acceptable as upgrade)
Operating Temperature Range: -55°C to 155°C minimum
Composition: Thick Film

Substitute parts are grouped into two categories:

Direct Equivalents: Parts matching all parameters including tolerance (±5%), power rating (0.063W), and automotive AEC-Q200 certification.

Upgrade Substitute: Parts with improved tolerance (±1%) while maintaining all other critical parameters, suitable for applications requiring higher precision.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	AEC-Q200	Product Status	Packaging
MCR01MZPJ303	Rohm Semiconductor	30 kOhms	±5%	0.063	±200	Yes	Discontinued	Tape & Reel
CRCW040230K0JNED	Vishay Dale	30 kOhms	±5%	0.063	±200	Yes	Active	Tape & Reel
ERJ-2GEJ303X	Panasonic Electronic Components	30 kOhms	±5%	0.1	±200	Yes	Active	Tape & Reel
RC0402JR-0730KL	YAGEO	30 kOhms	±5%	0.063	±100	No	Active	Cut Tape & Digi-Reel
RMCF0402JT30K0	Stackpole Electronics Inc	30 kOhms	±5%	0.063	±100	Yes	Active	Tape & Reel
CRCW040230K0FKED	Vishay Dale	30 kOhms	±1%	0.063	±100	Yes	Active	Cut Tape & Digi-Reel

Engineering Selection Recommendations

For Direct Replacement (Automotive AEC-Q200 Applications)

CRCW040230K0JNED (Vishay Dale) and RMCF0402JT30K0 (Stackpole Electronics Inc) are direct functional equivalents to the MCR01MZPJ303. Both maintain ±5% tolerance, 0.063W power rating, AEC-Q200 certification, and identical operating temperature range. Both are currently in active production with substantial inventory availability.

For Higher Power Dissipation Tolerance

ERJ-2GEJ303X (Panasonic Electronic Components) provides the same electrical specifications with increased power rating (0.1W vs. 0.063W), offering additional thermal margin in applications approaching power limits. AEC-Q200 certification is maintained.

For Non-Automotive Applications Without AEC-Q200 Requirement

RC0402JR-0730KL (YAGEO) meets all electrical parameters with improved temperature coefficient (±100ppm/°C vs. ±200ppm/°C) but lacks AEC-Q200 certification. This part is suitable only for non-automotive applications.

For Precision Applications (Tolerance Upgrade)

CRCW040230K0FKED (Vishay Dale) provides ±1% tolerance with AEC-Q200 certification, suitable for circuits requiring tighter resistance tolerance than the original ±5% specification.

Frequently Asked Questions (FAQ)

Q: Can ERJ-2GEJ303X be used as a direct replacement for MCR01MZPJ303?

A: Yes. ERJ-2GEJ303X is electrically equivalent with identical resistance (30 kOhms), tolerance (±5%), operating temperature range (-55°C to 155°C), and AEC-Q200 certification. The higher power rating (0.1W vs. 0.063W) does not prevent substitution and provides additional thermal capability.

Q: What is the difference between CRCW040230K0JNED and CRCW040230K0FKED?

A: Both are Vishay Dale 0402 resistors with 30 kOhms resistance and AEC-Q200 certification. CRCW040230K0JNED has ±5% tolerance matching the original part, while CRCW040230K0FKED has ±1% tolerance with improved temperature coefficient (±100ppm/°C vs. ±200ppm/°C). Selection depends on circuit tolerance requirements.

Q: Is RC0402JR-0730KL suitable for automotive applications?

A: RC0402JR-0730KL lacks AEC-Q200 certification and is not recommended for automotive applications. It is suitable only for consumer and industrial non-automotive applications.

Q: Do all substitute parts use the same 0402 package?

A: Yes. All listed substitute parts use the 0402 (1005 Metric) package, ensuring mechanical and electrical compatibility with the original MCR01MZPJ303 footprint.

Q: What is the significance of temperature coefficient differences?

A: Temperature coefficient indicates resistance change per degree Celsius. RMCF0402JT30K0 and CRCW040230K0FKED have ±100ppm/°C compared to the original ±200ppm/°C. Lower temperature coefficient provides better stability across the -55°C to 155°C operating range, beneficial for precision applications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant with MSL rating of 1 (Unlimited), matching the environmental compliance of the original MCR01MZPJ303.

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