ERJ-S14F2210U Equivalent & Substitute Parts

Part Overview

The ERJ-S14F2210U is a 221 Ohm ±1% thick film chip resistor rated at 0.5W (1/2W) in a 1210 (3225 Metric) package. Manufactured by Panasonic Electronic Components, this part features anti-sulfur coating and automotive AEC-Q200 qualification, making it suitable for automotive and harsh environment applications. The part is currently in active production status with 764 units in stock.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when supply chain optimization is required, or when design flexibility across multiple qualified manufacturers is needed while maintaining identical electrical and mechanical performance.

Key Parameters

Parameter	Value
Resistance	221 Ohms
Tolerance	±1%
Power Rating	0.5W (1/2W)
Package / Case	1210 (3225 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°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-S14F2210U is determined by strict equivalence across the following parameters:

Resistance value: 221 Ohms
Tolerance: ±1%
Power rating: 0.5W (1/2W)
Package: 1210 (3225 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C
RoHS3 compliance
MSL rating: 1 (Unlimited)

All substitute parts listed meet these core electrical and mechanical requirements. Variations in secondary features (such as anti-sulfur coating, automotive certification, or packaging format) do not disqualify substitution but are noted for application-specific considerations.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Product Status	Packaging Format	Inventory
ERJ-S14F2210U	Panasonic	221 Ω	±1%	0.5	1210	±100ppm/°C	-55°C ~ 155°C	Active	Tape & Reel	764 Pcs
ERJ-14NF2210U	Panasonic	221 Ω	±1%	0.5	1210	±100ppm/°C	-55°C ~ 155°C	Not For New Designs	Tape & Reel	962 Pcs
CRCW1210221RFKEA	Vishay Dale	221 Ω	±1%	0.5	1210	±100ppm/°C	-55°C ~ 155°C	Active	Tape & Reel	13460 Pcs
RC1210FR-07221RL	YAGEO	221 Ω	±1%	0.5	1210	±100ppm/°C	-55°C ~ 155°C	Active	Tape & Reel	9001 Pcs
RMCF1210FT221R	Stackpole Electronics Inc	221 Ω	±1%	0.5	1210	±100ppm/°C	-55°C ~ 155°C	Active	Cut Tape	4090 Pcs

Engineering Selection Recommendations

All listed substitute parts are electrically and mechanically equivalent to the ERJ-S14F2210U and meet the core substitution criteria. Selection should be based on the following factors:

Product Status: The ERJ-S14F2210U, CRCW1210221RFKEA, RC1210FR-07221RL, and RMCF1210FT221R are all in active production. The ERJ-14NF2210U is marked "Not For New Designs" and should be avoided for new circuit designs.

Compliance & Certifications: The ERJ-S14F2210U, ERJ-14NF2210U, CRCW1210221RFKEA, and RMCF1210FT221R carry AEC-Q200 automotive qualification. The RC1210FR-07221RL does not list AEC-Q200 certification. For automotive applications requiring AEC-Q200 compliance, select from the certified alternatives.

Packaging Format: The RMCF1210FT221R is supplied in Cut Tape (CT) format, while all others are supplied in Tape & Reel (TR). Verify packaging compatibility with assembly equipment and procurement workflows.

Inventory Availability: CRCW1210221RFKEA offers the highest stock level (13,460 units), followed by RC1210FR-07221RL (9,001 units), providing supply chain flexibility.

Frequently Asked Questions (FAQ)

Q: Can ERJ-14NF2210U be used as a direct replacement for ERJ-S14F2210U?

A: Electrically and mechanically, yes. However, ERJ-14NF2210U is marked "Not For New Designs" by the manufacturer. For new circuit designs, use active production alternatives such as CRCW1210221RFKEA, RC1210FR-07221RL, or RMCF1210FT221R.

Q: What is the difference between the ERJ-S14F2210U and ERJ-14NF2210U?

A: Both parts share identical electrical specifications (221 Ω, ±1%, 0.5W, 1210 package). The ERJ-S14F2210U includes anti-sulfur coating and is in active production. The ERJ-14NF2210U lacks the anti-sulfur feature and is not recommended for new designs.

Q: Are all substitute parts AEC-Q200 qualified?

A: No. The ERJ-S14F2210U, ERJ-14NF2210U, CRCW1210221RFKEA, and RMCF1210FT221R carry AEC-Q200 automotive qualification. The RC1210FR-07221RL does not list AEC-Q200 certification. For automotive applications requiring this qualification, select from the certified parts.

Q: Does packaging format affect electrical performance?

A: No. Tape & Reel (TR) and Cut Tape (CT) formats are packaging and delivery methods only. Electrical and mechanical performance remain identical. Selection should be based on assembly equipment compatibility and procurement requirements.

Q: Can I mix different manufacturers' parts in the same circuit?

A: Yes. All listed parts meet identical electrical specifications, tolerance, temperature coefficient, and operating range. They are mechanically compatible in the 1210 package footprint. Mixing manufacturers is acceptable from an engineering standpoint, though procurement and quality assurance processes should verify supplier qualifications for your application.

Q: What does MSL 1 (Unlimited) mean?

A: Moisture Sensitivity Level 1 indicates the part has unlimited shelf life and requires no special moisture control during storage or handling. This applies to all listed parts.

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