MCR01MZPJ621 Equivalent & Substitute Parts

Part Overview

The MCR01MZPJ621 is a 620 Ohm ±5% thick film chip resistor in 0402 (1005 Metric) package rated for 0.063W (1/16W) power dissipation. Manufactured by Rohm Semiconductor, this component is qualified to AEC-Q200 automotive standards and operates across -55°C to 155°C. The part is discontinued at DiGi Electronics, necessitating identification of equivalent alternatives that maintain electrical and mechanical compatibility for ongoing production and repair applications.

Key Parameters

Parameter	Value
Resistance	620 Ohms
Tolerance	±5%
Power Rating	0.063W (1/16W)
Package	0402 (1005 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

Substitution eligibility is determined by strict equivalence across the following parameters: resistance value (620 Ohms), tolerance (±5% minimum), package format (0402), power rating (0.063W minimum), composition (thick film), operating temperature range (-55°C to 155°C minimum), and RoHS3 compliance. Parts are grouped into three categories:

Direct Equivalents maintain all electrical and mechanical specifications identical to the MCR01MZPJ621, including ±5% tolerance, 0.063W power rating, and AEC-Q200 automotive qualification where applicable.

Upgrade Substitute offers improved tolerance (±1%) while maintaining all other critical parameters, suitable for applications requiring tighter resistance accuracy.

Similar Substitute meets core electrical and mechanical requirements but lacks automotive AEC-Q200 certification, appropriate for non-automotive applications or where automotive qualification is not mandated.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	AEC-Q200	Product Status	Packaging
MCR01MZPJ621	Rohm Semiconductor	620 Ω	±5%	0.063	±200	Yes	Discontinued	0402
CRCW0402620RJNED	Vishay Dale	620 Ω	±5%	0.063	±200	Yes	Active	0402 TR
ERJ-2GEJ621X	Panasonic Electronic Components	620 Ω	±5%	0.1	±200	Yes	Active	0402 TR
RC0402JR-07620RL	YAGEO	620 Ω	±5%	0.063	±100	No	Active	0402 CT
RMCF0402JT620R	Stackpole Electronics Inc	620 Ω	±5%	0.063	±100	Yes	Active	0402 TR
CRCW0402620RFKED	Vishay Dale	620 Ω	±1%	0.063	±100	Yes	Active	0402 CT
CR0402-JW-621GLF	Bourns Inc.	620 Ω	±5%	0.063	±200	No	Active	0402 TR

Engineering Selection Recommendations

For automotive applications requiring AEC-Q200 qualification, select from CRCW0402620RJNED (Vishay Dale), RMCF0402JT620R (Stackpole Electronics Inc), or CRCW0402620RFKED (Vishay Dale upgrade). CRCW0402620RJNED provides direct electrical and mechanical equivalence with active product status and high inventory availability. RMCF0402JT620R offers equivalent specifications with superior inventory depth. CRCW0402620RFKED delivers improved ±1% tolerance for applications requiring tighter resistance accuracy while maintaining AEC-Q200 compliance.

For non-automotive applications, RC0402JR-07620RL (YAGEO) and CR0402-JW-621GLF (Bourns Inc.) provide cost-effective alternatives meeting core electrical specifications. All substitute parts maintain ROHS3 compliance, MSL 1 rating, and -55°C to 155°C operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can ERJ-2GEJ621X replace MCR01MZPJ621 in automotive circuits? A: Yes. ERJ-2GEJ621X meets all substitution criteria including AEC-Q200 qualification, 620 Ohm resistance, ±5% tolerance, and 0402 package. The 0.1W power rating exceeds the 0.063W requirement, providing additional thermal margin.

Q: What is the difference between direct equivalents and the upgrade substitute? A: Direct equivalents (CRCW0402620RJNED, RMCF0402JT620R, RC0402JR-07620RL, CR0402-JW-621GLF) maintain ±5% tolerance matching the original specification. The upgrade substitute CRCW0402620RFKED offers ±1% tolerance for applications requiring improved accuracy, with all other parameters equivalent.

Q: Are packaging differences between Tape & Reel and Cut Tape significant? A: Packaging format (TR vs CT) affects supply chain logistics and handling but does not impact electrical or mechanical performance. Both formats are suitable for automated assembly.

Q: Which substitute offers the best inventory availability? A: RMCF0402JT620R (Stackpole Electronics Inc) provides the highest inventory depth at 49,489 pieces, followed by ERJ-2GEJ621X (Panasonic) at 36,612 pieces.

Q: Can non-AEC-Q200 parts substitute in automotive designs? A: Non-AEC-Q200 parts (RC0402JR-07620RL, CR0402-JW-621GLF) meet electrical and mechanical specifications but lack automotive qualification. Use only in non-automotive applications or where automotive certification is not required by design specifications.

Q: What is the significance of temperature coefficient differences? A: The MCR01MZPJ621 specifies ±200ppm/°C. Substitutes with ±100ppm/°C (RMCF0402JT620R, CRCW0402620RFKED) provide superior temperature stability. Both values are acceptable for standard applications; selection depends on circuit tolerance requirements.

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