ERJ-S1TF2200U Equivalent & Substitute Parts

Part Overview

The ERJ-S1TF2200U is a 220 Ohms ±1% 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 part is currently active in production with 987 pieces in stock.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative sourcing is required for supply chain resilience, or when design flexibility permits selection from qualified alternatives meeting identical electrical and mechanical specifications.

Key Parameters

Parameter	Value
Resistance	220 Ohms
Tolerance	±1%
Power Rating	1W
Package / Case	2512 (6432 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°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-S1TF2200U is determined by strict equivalence across the following critical parameters:

Resistance value: 220 Ohms
Tolerance: ±1%
Power rating: 1W (or higher)
Package: 2512 (6432 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C
Compliance: ROHS3, AEC-Q200 (where applicable)

Parts meeting all electrical parameters and package specifications are classified as direct equivalents. Parts with identical electrical characteristics but different feature sets (such as moisture resistance or anti-sulfur coating) remain functionally equivalent for most applications. Parts with higher power ratings (2W) are acceptable substitutes as they provide additional thermal margin while maintaining all other specifications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Operating Temp	AEC-Q200	Product Status	Inventory
ERJ-S1TF2200U	Panasonic	220 Ω	±1%	1W	2512	±100ppm/°C	-55°C ~ 155°C	Yes	Active	987
ERJ-1TNF2200U	Panasonic	220 Ω	±1%	1W	2512	±100ppm/°C	-55°C ~ 155°C	Yes	Not For New Designs	45462
AC2512FK-07220RL	YAGEO	220 Ω	±1%	1W	2512	±100ppm/°C	-55°C ~ 155°C	Yes	Active	4778
CRCW2512220RFKEG	Vishay Dale	220 Ω	±1%	1W	2512	±100ppm/°C	-55°C ~ 155°C	Yes	Active	53256
RC2512FK-07220RL	YAGEO	220 Ω	±1%	1W	2512	±100ppm/°C	-55°C ~ 155°C	No	Active	22250
RHC2512FT220R	Stackpole Electronics Inc	220 Ω	±1%	2W	2512	±100ppm/°C	-55°C ~ 155°C	No	Active	8124
RMCF2512FT220R	Stackpole Electronics Inc	220 Ω	±1%	1W	2512	±100ppm/°C	-55°C ~ 155°C	Yes	Active	20657

Engineering Selection Recommendations

For new designs requiring AEC-Q200 automotive qualification, select from: CRCW2512220RFKEG (Vishay Dale), AC2512FK-07220RL (YAGEO), or RMCF2512FT220R (Stackpole Electronics Inc). All three are active products with AEC-Q200 certification and meet the full electrical specification of the primary part.

For existing designs currently using ERJ-S1TF2200U, direct substitution is available with RMCF2512FT220R, which maintains identical electrical parameters, package dimensions, and automotive qualification. CRCW2512220RFKEG offers the highest inventory availability (53,256 pieces) among AEC-Q200 qualified alternatives.

The ERJ-1TNF2200U (Panasonic) is electrically equivalent but marked "Not For New Designs" and should be used only for legacy design maintenance or repair applications where continuity with existing assemblies is required.

RC2512FK-07220RL (YAGEO) lacks AEC-Q200 certification and is suitable only for non-automotive applications requiring moisture resistance.

RHC2512FT220R (Stackpole Electronics Inc) provides 2W power rating in the same package, offering thermal margin above the 1W requirement. This part is suitable for applications where additional power dissipation capability is beneficial, though it lacks AEC-Q200 certification.

Frequently Asked Questions (FAQ)

Q: Can ERJ-1TNF2200U replace ERJ-S1TF2200U in new automotive designs?

A: No. ERJ-1TNF2200U is marked "Not For New Designs" by the manufacturer. For new automotive applications, use RMCF2512FT220R, CRCW2512220RFKEG, or AC2512FK-07220RL, all of which are active products with AEC-Q200 certification.

Q: What is the difference between the 1W and 2W versions?

A: RHC2512FT220R is rated for 2W power dissipation in the same 2512 package, compared to 1W for the primary part. The 2W rating provides additional thermal margin but does not change electrical characteristics. Physical dimensions remain within the 2512 package specification. The 2W version lacks AEC-Q200 certification.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant, matching the primary part's environmental compliance status.

Q: Can RC2512FK-07220RL be used in automotive applications?

A: RC2512FK-07220RL is not AEC-Q200 certified and is not recommended for automotive applications. It is suitable only for industrial or consumer applications where automotive qualification is not required.

Q: Which substitute offers the best inventory availability?

A: CRCW2512220RFKEG (Vishay Dale) has the highest inventory with 53,256 pieces in stock, followed by ERJ-1TNF2200U with 45,462 pieces. Both are immediately available for high-volume requirements.

Q: Are there dimensional differences between substitute parts?

A: All parts conform to the 2512 (6432 Metric) package specification. Minor dimensional variations exist within tolerance: length ranges from 0.248" to 0.252", width from 0.122" to 0.126", and height from 0.026" to 0.028". These variations are within standard PCB design tolerances and do not affect interchangeability.

Q: What is the moisture sensitivity level for all substitutes?

A: All substitute parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

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