ERJ-S1TJ332U Equivalent & Substitute Parts

Part Overview

The ERJ-S1TJ332U is a 3.3 kOhms ±5% 1W thick film chip resistor in 2512 (6432 Metric) package manufactured by Panasonic Electronic Components. This part is classified as Active product status and features anti-sulfur coating with automotive AEC-Q200 qualification. Equivalent and substitute parts are necessary when the primary part becomes unavailable, when design requirements mandate alternative suppliers for supply chain resilience, or when inventory constraints require cross-manufacturer sourcing while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Resistance	3.3 kOhms
Tolerance	±5%
Power Rating	1W
Package / Case	2512 (6432 Metric)
Composition	Thick Film
Temperature Coefficient	±200ppm/°C
Operating Temperature Range	-55°C ~ 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S1TJ332U is determined by strict equivalence across the following critical parameters:

Resistance value: 3.3 kOhms
Tolerance: ±5%
Power rating: 1W
Package: 2512 (6432 Metric)
Composition: Thick Film
Temperature coefficient: ±200ppm/°C
Operating temperature range: -55°C to 155°C minimum
RoHS3 compliance
MSL rating: 1 (Unlimited)

All substitute parts listed below meet these electrical and mechanical requirements. Substitute parts are grouped by manufacturer and product status to facilitate selection based on supply availability and design phase requirements.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	AEC-Q200	Product Status	Inventory (Pcs)
ERJ-S1TJ332U	Panasonic Electronic Components	3.3 kOhms	±5%	1	2512	±200ppm/°C	-55°C ~ 155°C	Yes	Active	828
ERJ-1TYJ332U	Panasonic Electronic Components	3.3 kOhms	±5%	1	2512	±200ppm/°C	-55°C ~ 155°C	Yes	Not For New Designs	46128
35203K3JT	TE Connectivity Passive Product	3.3 kOhms	±5%	1	2512	±200ppm/°C	-55°C ~ 125°C	No	Active	23059
CR2512-JW-332ELF	Bourns Inc.	3.3 kOhms	±5%	1	2512	±200ppm/°C	-55°C ~ 155°C	No	Active	13092
CRCW25123K30JNEG	Vishay Dale	3.3 kOhms	±5%	1	2512	±200ppm/°C	-55°C ~ 155°C	Yes	Active	10300
RMCF2512JT3K30	Stackpole Electronics Inc	3.3 kOhms	±5%	1	2512	±200ppm/°C	-55°C ~ 155°C	Yes	Active	23071

Engineering Selection Recommendations

For active design phases, select from parts with Active product status: CRCW25123K30JNEG (Vishay Dale), CR2512-JW-332ELF (Bourns Inc.), RMCF2512JT3K30 (Stackpole Electronics Inc.), or 35203K3JT (TE Connectivity Passive Product).

For automotive applications requiring AEC-Q200 qualification, the following parts are certified: ERJ-S1TJ332U (primary), CRCW25123K30JNEG, RMCF2512JT3K30, and ERJ-1TYJ332U. The ERJ-1TYJ332U carries "Not For New Designs" status and should be used only for legacy design maintenance or when supply constraints require it.

For applications with maximum operating temperature requirements of 155°C, select from: ERJ-S1TJ332U, ERJ-1TYJ332U, CR2512-JW-332ELF, CRCW25123K30JNEG, or RMCF2512JT3K30. The 35203K3JT from TE Connectivity is rated to 125°C maximum and is suitable only for applications with lower temperature requirements.

All listed parts are ROHS3 compliant with MSL rating of 1 (Unlimited), ensuring compatibility with standard manufacturing and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can ERJ-1TYJ332U be used as a direct replacement for ERJ-S1TJ332U?

A: Electrically and mechanically, yes. Both parts share identical resistance, tolerance, power rating, package, temperature coefficient, and operating temperature range. However, ERJ-1TYJ332U carries "Not For New Designs" status. Use this part only for legacy design maintenance or when supply of the primary part is exhausted.

Q: What is the difference between AEC-Q200 certified and non-certified parts in this list?

A: AEC-Q200 certification indicates automotive-grade qualification. Parts with this rating (ERJ-S1TJ332U, ERJ-1TYJ332U, CRCW25123K30JNEG, RMCF2512JT3K30) are qualified for automotive applications. Non-certified parts (35203K3JT, CR2512-JW-332ELF) are suitable for general industrial and consumer applications but should not be used in automotive designs requiring AEC-Q200 compliance.

Q: Why does 35203K3JT have a lower maximum operating temperature?

A: The 35203K3JT from TE Connectivity is rated to -55°C ~ 125°C, compared to 155°C for other parts. This difference reflects the manufacturer's design specifications. For applications requiring operation above 125°C, select from the other substitute parts listed.

Q: Are all parts in this list in the same 2512 package?

A: All parts use the 2512 (6432 Metric) package designation. Minor dimensional variations exist within tolerance: length ranges from 0.248" to 0.252", width from 0.122" to 0.126", and height from 0.028" to 0.030". These variations are within standard PCB footprint tolerances and do not affect interchangeability.

Q: Which substitute part has the highest current inventory?

A: ERJ-1TYJ332U has the highest inventory at 46,128 pieces. However, this part is marked "Not For New Designs." Among Active status parts, RMCF2512JT3K30 and 35203K3JT have the highest inventory at 23,071 and 23,059 pieces respectively.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All parts listed, including the primary part ERJ-S1TJ332U, are ROHS3 compliant with MSL rating of 1 (Unlimited).

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