MCR03EZPJ821 Equivalent & Substitute Parts

Part Overview

The MCR03EZPJ821 is an 820 Ohms ±5% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Rohm Semiconductor. This component is automotive-grade (AEC-Q200 certified) and designed for high-reliability applications requiring temperature stability across -55°C to 155°C operating range. The part is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active manufacturers.

Key Parameters

Parameter	Value
Resistance	820 Ohms
Tolerance	±5%
Power Rating	0.1W (1/10W)
Package	0603 (1608 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 parameter matching across electrical and mechanical specifications. All substitute parts must satisfy the following criteria:

Core Electrical Parameters (Non-Negotiable):

Resistance value: 820 Ohms
Tolerance: ±5% (or tighter)
Power rating: 0.1W minimum
Package: 0603 (1608 Metric)
Composition: Thick Film
Operating temperature range: -55°C to 155°C minimum

Compliance & Environmental:

RoHS3 compliance
Moisture Sensitivity Level 1
Temperature coefficient: ±200ppm/°C or better

Parts are categorized as follows:

Direct Substitutes: Identical electrical and mechanical specifications, different manufacturer or packaging format.

Upgrade Substitutes: Tighter tolerance (±1% vs ±5%) or improved temperature coefficient, maintaining all other parameters.

Similar Substitutes: Functionally equivalent with minor dimensional variations within acceptable tolerances, same electrical performance.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Temp Coeff	AEC-Q200	Status	Inventory
MCR03EZPJ821	Rohm Semiconductor	820Ω	±5%	0.1W	±200ppm/°C	Yes	Discontinued	895 Pcs
MCR03ERTJ821	Rohm Semiconductor	820Ω	±5%	0.1W	±200ppm/°C	No	Discontinued	1185 Pcs
CRCW0603820RJNEA	Vishay Dale	820Ω	±5%	0.1W	±200ppm/°C	Yes	Active	58993 Pcs
ERJ-3GEYJ821V	Panasonic Electronic Components	820Ω	±5%	0.1W	±200ppm/°C	Yes	Active	73318 Pcs
RC0603JR-07820RL	YAGEO	820Ω	±5%	0.1W	±100ppm/°C	No	Active	10400 Pcs
RMCF0603JT820R	Stackpole Electronics Inc	820Ω	±5%	0.1W	±200ppm/°C	Yes	Active	448549 Pcs
CRCW0603820RFKEA	Vishay Dale	820Ω	±1%	0.1W	±100ppm/°C	Yes	Active	81532 Pcs
CR0603-JW-821ELF	Bourns Inc.	820Ω	±5%	0.1W	±200ppm/°C	No	Active	58593 Pcs

Engineering Selection Recommendations

For AEC-Q200 Automotive Applications:

RMCF0603JT820R (Stackpole Electronics Inc) is the primary recommendation. This part maintains full AEC-Q200 certification, identical electrical specifications, and offers the highest inventory availability (448,549 pcs). Stackpole's automotive-grade thick film resistors are qualified to the same automotive standards as the original MCR03EZPJ821.

CRCW0603820RJNEA (Vishay Dale) is an alternative direct substitute with AEC-Q200 certification and active product status. Inventory is substantial (58,993 pcs), supporting production continuity.

ERJ-3GEYJ821V (Panasonic Electronic Components) provides AEC-Q200 compliance with active status and high availability (73,318 pcs).

For Upgraded Performance Requirements:

CRCW0603820RFKEA (Vishay Dale) offers tighter tolerance (±1% vs ±5%) and improved temperature coefficient (±100ppm/°C vs ±200ppm/°C) while maintaining AEC-Q200 certification. This upgrade is suitable for precision applications requiring enhanced stability.

For Non-Automotive Applications:

RC0603JR-07820RL (YAGEO) and CR0603-JW-821ELF (Bourns Inc.) are functionally equivalent alternatives without automotive certification. RC0603JR-07820RL features improved temperature coefficient (±100ppm/°C) and moisture-resistant construction. Both maintain full RoHS3 compliance and MSL 1 rating.

Frequently Asked Questions (FAQ)

Q: Can MCR03ERTJ821 replace MCR03EZPJ821?

A: MCR03ERTJ821 is electrically identical but lacks AEC-Q200 automotive certification present in the original part. Use only in non-automotive applications or where automotive qualification is not required.

Q: What is the difference between direct substitutes and upgrade substitutes?

A: Direct substitutes maintain identical specifications (820Ω ±5%, ±200ppm/°C). Upgrade substitutes offer improved performance—CRCW0603820RFKEA provides ±1% tolerance and ±100ppm/°C temperature coefficient, suitable for precision circuits requiring tighter value control.

Q: Are all substitute parts RoHS3 compliant?

A: All listed substitutes are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating, matching the original part's environmental specifications.

Q: Does package size vary among substitutes?

A: All substitutes use 0603 (1608 Metric) package. Dimensional variations are minor (length 1.55–1.60mm, width 0.80–0.85mm, height 0.50–0.55mm) and fall within standard PCB footprint tolerances. Verify specific board layout requirements for height-constrained applications.

Q: Which substitute offers the best availability?

A: RMCF0603JT820R (Stackpole) provides the highest inventory (448,549 pcs) with full AEC-Q200 certification, making it the optimal choice for high-volume production requiring automotive qualification.

Q: Can non-AEC-Q200 parts be used in automotive designs?

A: Non-AEC-Q200 parts (RC0603JR-07820RL, CR0603-JW-821ELF) are electrically compatible but lack automotive qualification. Use only in non-safety-critical circuits or where automotive certification is not mandated by design specifications.

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