MCR10EZPJ621 Equivalent & Substitute Parts

Part Overview

The MCR10EZPJ621 is a 620 Ohms ±5% 0.125W (1/8W) thick film chip resistor in 0805 (2012 Metric) package manufactured by Rohm Semiconductor. This component 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.

Key Parameters

Parameter	Value
Resistance	620 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

Substitution eligibility for the MCR10EZPJ621 is determined by the following critical parameters:

Primary Substitution Criteria (Direct Equivalents):

Resistance value: 620 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
RoHS3 compliance

Secondary Substitution Criteria (Upgrades):

Tighter tolerance (±1% instead of ±5%)
Higher power rating (0.5W instead of 0.125W)
Enhanced temperature coefficient performance

Tertiary Substitution Criteria (Similar Parts):

Same electrical and mechanical specifications
Alternative feature sets (e.g., moisture resistant vs. automotive rated)

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Op. Temp Range (°C)	Package	Height Max (mm)	Status	Substitution Type
MCR10EZPJ621	Rohm Semiconductor	620 Ω	±5%	0.125	±200	-55 to 155	0805	0.65	Discontinued	Reference
CRCW0805620RJNEA	Vishay Dale	620 Ω	±5%	0.125	±200	-55 to 155	0805	0.50	Active	Direct Equivalent
ERJ-6GEYJ621V	Panasonic Electronic Components	620 Ω	±5%	0.125	±200	-55 to 155	0805	0.70	Active	Direct Equivalent
RMCF0805JT620R	Stackpole Electronics Inc	620 Ω	±5%	0.125	±200	-55 to 155	0805	0.65	Active	Direct Equivalent
CRCW0805620RFKEA	Vishay Dale	620 Ω	±1%	0.125	±100	-55 to 155	0805	0.50	Active	Upgrade (Tolerance)
ERJ-P06J621V	Panasonic Electronic Components	620 Ω	±5%	0.5	±200	-55 to 155	0805	0.70	Active	Upgrade (Power)
CR0805-JW-621ELF	Bourns Inc.	620 Ω	±5%	0.125	±200	-55 to 155	0805	0.60	Active	Similar

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications):

CRCW0805620RJNEA, ERJ-6GEYJ621V, and RMCF0805JT620R are functionally equivalent to the MCR10EZPJ621. All three are active products with AEC-Q200 automotive rating, ROHS3 compliance, and identical electrical parameters. Selection among these direct equivalents depends on supply chain availability and packaging format preference (Tape & Reel).

For Tolerance Upgrade:

CRCW0805620RFKEA provides ±1% tolerance with a reduced temperature coefficient of ±100ppm/°C, suitable for applications requiring tighter resistance accuracy. This part maintains the same power rating and package specifications while offering improved performance stability.

For Power Rating Upgrade:

ERJ-P06J621V increases the power rating to 0.5W (1/2W) while maintaining ±5% tolerance and identical resistance value. This upgrade is appropriate for circuits requiring higher power dissipation capability within the same package footprint.

For Alternative Feature Set:

CR0805-JW-621ELF from Bourns provides moisture-resistant construction instead of automotive AEC-Q200 rating. This part is suitable for non-automotive applications where moisture resistance is prioritized over automotive qualification.

Frequently Asked Questions (FAQ)

Q: Can CRCW0805620RJNEA directly replace MCR10EZPJ621 in automotive applications?

A: Yes. CRCW0805620RJNEA meets all electrical and mechanical specifications of the MCR10EZPJ621, including AEC-Q200 automotive rating, identical resistance, tolerance, power rating, and operating temperature range. The 0.50mm seated height is within acceptable PCB assembly tolerances for 0805 packages.

Q: What is the difference between the direct equivalents and upgrade options?

A: Direct equivalents (CRCW0805620RJNEA, ERJ-6GEYJ621V, RMCF0805JT620R) match all specifications of the original part. Upgrades offer enhanced performance: CRCW0805620RFKEA provides tighter tolerance (±1% vs ±5%) and lower temperature coefficient, while ERJ-P06J621V provides higher power rating (0.5W vs 0.125W).

Q: Are there package compatibility concerns between substitute parts?

A: All listed substitutes use the 0805 (2012 Metric) package with identical footprint dimensions (2.00mm × 1.25mm). Seated height variations (0.50mm to 0.70mm) are within standard PCB assembly specifications and do not affect compatibility.

Q: Which substitute offers the best availability?

A: RMCF0805JT620R from Stackpole Electronics has the highest inventory level (158,358 pcs), followed by CRCW0805620RFKEA (205,400 pcs) and ERJ-6GEYJ621V (73,665 pcs).

Q: Can CR0805-JW-621ELF be used in automotive circuits?

A: CR0805-JW-621ELF is not AEC-Q200 rated and lacks automotive qualification. It is suitable only for non-automotive applications where moisture resistance is required but automotive compliance is not mandatory.

Q: What is the impact of selecting a higher tolerance part?

A: Selecting CRCW0805620RFKEA (±1% tolerance) instead of the original ±5% specification provides tighter resistance accuracy and improved temperature stability (±100ppm/°C vs ±200ppm/°C), beneficial for precision analog circuits.

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