ERJ-S1TJ200U Equivalent & Substitute Parts

Part Overview

The ERJ-S1TJ200U is a 20 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 automotive and industrial environments. The product is currently active and available in high volume inventory.

Substitute parts are necessary when the primary part becomes unavailable, when design revisions require alternative qualified sources, or when supply chain optimization requires multi-source qualification.

Key Parameters

Parameter	Value
Resistance	20 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

Substitution eligibility for the ERJ-S1TJ200U is determined by the following critical parameters:

Resistance value: 20 Ohms (exact match required)
Tolerance: ±5% (exact match required)
Power rating: 1W minimum (equal or higher acceptable)
Package: 2512 (6432 Metric) (exact match required)
Composition: Thick Film (exact match required)
Temperature coefficient: ±200ppm/°C (exact match required)
Operating temperature range: -55°C ~ 155°C (exact match or wider range acceptable)
AEC-Q200 automotive qualification (required for automotive applications)
RoHS3 compliance (required for regulatory compliance)

All substitute parts listed meet these criteria. The ERJ-1TYJ200U is marked as "Not For New Designs" but remains electrically and mechanically equivalent. The CRCW251220R0JNEGHP variant offers enhanced 1.5W power rating with pulse withstanding capability, providing additional design margin while maintaining all other specifications.

Parameter Comparison

Parameter	ERJ-S1TJ200U (Main)	ERJ-1TYJ200U	CR2512-JW-200ELF	CRCW251220R0JNEG	CRCW251220R0JNEGHP	RMCF2512JT20R0
Manufacturer	Panasonic	Panasonic	Bourns Inc.	Vishay Dale	Vishay Dale	Stackpole Electronics
Resistance	20 Ohms	20 Ohms	20 Ohms	20 Ohms	20 Ohms	20 Ohms
Tolerance	±5%	±5%	±5%	±5%	±5%	±5%
Power Rating	1W	1W	1W	1W	1.5W	1W
Package	2512 (6432 Metric)	2512 (6432 Metric)	2512 (6432 Metric)	2512 (6432 Metric)	2512 (6432 Metric)	2512 (6432 Metric)
Composition	Thick Film	Thick Film	Thick Film	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±200ppm/°C	±200ppm/°C	±200ppm/°C	±200ppm/°C	±200ppm/°C	±200ppm/°C
Operating Temperature	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C
AEC-Q200	Yes	Yes	No	Yes	Yes	Yes
RoHS3 Compliant	Yes	Yes	Yes	Yes	Yes	Yes
Product Status	Active	Not For New Designs	Active	Active	Active	Active
Inventory (Pcs)	929	31,675	5,038	51,227	2,668	43,281

Engineering Selection Recommendations

For new designs, select from the following active-status parts: CRCW251220R0JNEG (Vishay Dale), RMCF2512JT20R0 (Stackpole Electronics), or CR2512-JW-200ELF (Bourns Inc.). All three are actively manufactured and carry AEC-Q200 automotive qualification.

The CRCW251220R0JNEGHP variant from Vishay Dale provides enhanced 1.5W power rating with pulse withstanding capability, suitable for applications requiring additional thermal margin or transient protection.

The ERJ-1TYJ200U from Panasonic is electrically and mechanically equivalent but marked "Not For New Designs." This part is suitable only for legacy design maintenance or replacement in existing production.

The CR2512-JW-200ELF from Bourns Inc. does not carry AEC-Q200 qualification and is not suitable for automotive applications requiring this certification.

For automotive applications requiring AEC-Q200 compliance, use only: ERJ-S1TJ200U, ERJ-1TYJ200U, CRCW251220R0JNEG, CRCW251220R0JNEGHP, or RMCF2512JT20R0.

Frequently Asked Questions (FAQ)

Q: Can I use CR2512-JW-200ELF as a direct replacement for ERJ-S1TJ200U in automotive applications?

A: No. The CR2512-JW-200ELF does not carry AEC-Q200 automotive qualification. Use only AEC-Q200 qualified parts for automotive applications: ERJ-S1TJ200U, ERJ-1TYJ200U, CRCW251220R0JNEG, CRCW251220R0JNEGHP, or RMCF2512JT20R0.

Q: What is the difference between CRCW251220R0JNEG and CRCW251220R0JNEGHP?

A: Both parts are identical except for power rating and features. CRCW251220R0JNEG is rated 1W with standard automotive AEC-Q200 qualification. CRCW251220R0JNEGHP is rated 1.5W with pulse withstanding capability, providing additional design margin for transient conditions.

Q: Is ERJ-1TYJ200U still available for new designs?

A: No. ERJ-1TYJ200U is marked "Not For New Designs" by Panasonic. For new designs, use ERJ-S1TJ200U or one of the alternative qualified sources.

Q: Are all substitute parts in the same 2512 package?

A: Yes. All listed substitute parts use the 2512 (6432 Metric) package. Physical dimensions vary slightly between manufacturers but remain within the 2512 package specification, ensuring PCB footprint compatibility.

Q: Do all substitute parts meet RoHS3 compliance?

A: Yes. All listed parts are RoHS3 compliant and suitable for applications requiring RoHS compliance.

Q: Can I mix different manufacturers in the same production run?

A: Yes. All listed substitute parts meet identical electrical specifications, tolerance, temperature coefficient, and operating temperature range. Mechanical compatibility is ensured by the 2512 package standard. Qualification requirements depend on your application; automotive applications must use only AEC-Q200 qualified parts.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message