ERJ-S1TJ820U Equivalent & Substitute Parts

Part Overview

The ERJ-S1TJ820U is an 82 Ohm ±5% 1W thick film chip resistor in 2512 (6432 Metric) package manufactured by Panasonic Electronic Components. This part features anti-sulfur coating and automotive AEC-Q200 qualification, designed for high-reliability applications in harsh environments. The product is currently active and widely available. Equivalent and substitute parts are identified based on matching electrical specifications, package dimensions, and compliance ratings to ensure direct functional replacement in circuit designs.

Key Parameters

Parameter	Value
Resistance	82 Ohms
Tolerance	±5%
Power Rating	1W
Package / Case	2512 (6432 Metric)
Composition	Thick Film
Temperature Coefficient	±200ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the ERJ-S1TJ820U are classified based on the following critical parameters that determine functional equivalence:

Primary Matching Criteria:

Resistance value: 82 Ohms
Tolerance: ±5%
Power rating: 1W (primary group) or 2W (higher capability group)
Package: 2512 (6432 Metric)
Composition: Thick Film
Temperature coefficient: ±200ppm/°C
Operating temperature range: -55°C to 155°C (or compatible subset)

Compliance Considerations:

AEC-Q200 automotive qualification (preferred for automotive applications)
RoHS3 compliance (mandatory for most applications)
Moisture sensitivity level: 1 (Unlimited)

Grouping Logic:

Group 1 (Direct Equivalents): Parts matching all primary criteria with identical 1W power rating and AEC-Q200 qualification
Group 2 (Functional Equivalents): Parts matching all primary criteria with 1W power rating but without explicit AEC-Q200 marking
Group 3 (Higher Power Alternatives): Parts with 2W power rating in identical package, suitable for applications requiring additional thermal margin

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Operating Temp	AEC-Q200	Product Status
ERJ-S1TJ820U	Panasonic Electronic Components	82 Ω	±5%	1W	2512	±200ppm/°C	-55°C ~ 155°C	Yes	Active
ERJ-1TYJ820U	Panasonic Electronic Components	82 Ω	±5%	1W	2512	±200ppm/°C	-55°C ~ 155°C	Yes	Not For New Designs
RMCF2512JT82R0	Stackpole Electronics Inc	82 Ω	±5%	1W	2512	±200ppm/°C	-55°C ~ 155°C	Yes	Active
CRCW251282R0JNEG	Vishay Dale	82 Ω	±5%	1W	2512	±200ppm/°C	-55°C ~ 155°C	Yes	Active
352082RJT	TE Connectivity Passive Product	82 Ω	±5%	1W	2512	±200ppm/°C	-55°C ~ 125°C	No	Active
CRG2512J82R	TE Connectivity Passive Product	82 Ω	±5%	1W	2512	±200ppm/°C	-55°C ~ 155°C	No	Active
CRM2512-JW-820ELF	Bourns Inc.	82 Ω	±5%	2W	2512	±200ppm/°C	-55°C ~ 155°C	No	Active

Engineering Selection Recommendations

For Direct Replacement (Preferred): Select RMCF2512JT82R0 (Stackpole Electronics Inc) or CRCW251282R0JNEG (Vishay Dale) as primary substitutes. Both parts are active products with identical electrical specifications, 2512 package, 1W power rating, and AEC-Q200 automotive qualification matching the original ERJ-S1TJ820U.

For Automotive Applications: Parts with AEC-Q200 certification are required: ERJ-S1TJ820U, ERJ-1TYJ820U, RMCF2512JT82R0, and CRCW251282R0JNEG. The ERJ-1TYJ820U is marked "Not For New Designs" and should be avoided in new product development despite meeting all electrical and compliance requirements.

For Non-Automotive or General Purpose Applications: CRG2512J82R (TE Connectivity) and 352082RJT (TE Connectivity) are suitable alternatives. Note that 352082RJT has a reduced operating temperature range (-55°C ~ 125°C) compared to the original specification (-55°C ~ 155°C).

For Applications Requiring Thermal Margin: CRM2512-JW-820ELF (Bourns Inc.) provides 2W power rating in the same 2512 package. This part is suitable when additional power dissipation capability is beneficial, though it lacks AEC-Q200 certification.

Compliance Verification: All recommended substitutes are RoHS3 compliant and have MSL rating of 1 (Unlimited), matching the original part's environmental compliance profile.

Frequently Asked Questions (FAQ)

Q: Can ERJ-1TYJ820U replace ERJ-S1TJ820U in new designs? A: ERJ-1TYJ820U meets all electrical and compliance specifications but carries a "Not For New Designs" status. For new product development, use RMCF2512JT82R0 or CRCW251282R0JNEG instead.

Q: What is the difference between 1W and 2W rated parts in the 2512 package? A: Both ratings use the same 2512 (6432 Metric) package dimensions. The 2W part (CRM2512-JW-820ELF) provides higher power dissipation capability. Selection depends on circuit power requirements; 1W parts are suitable for standard applications, while 2W parts offer thermal margin for high-current circuits.

Q: Is AEC-Q200 certification required for all applications? A: AEC-Q200 is mandatory for automotive and high-reliability applications. For general industrial or consumer applications, non-AEC-Q200 parts (CRG2512J82R, 352082RJT) are acceptable if other specifications match.

Q: Why does 352082RJT have a lower maximum operating temperature? A: 352082RJT specifies -55°C ~ 125°C versus the original -55°C ~ 155°C. This reduced upper temperature limit may restrict use in high-temperature environments. Verify application requirements before substitution.

Q: Are all substitute parts available in Tape & Reel packaging? A: Yes, all listed substitute parts are supplied in Tape & Reel (TR) packaging, matching the original ERJ-S1TJ820U packaging format.

Q: What is the significance of the ±200ppm/°C temperature coefficient? A: This parameter indicates resistance change over temperature. All listed parts share this specification, ensuring consistent thermal behavior across the operating range. This is a critical matching criterion for precision applications.

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