ERJ-S1TF2202U Equivalent & Substitute Parts

Part Overview

The ERJ-S1TF2202U is a 22 kOhms ±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 product is currently active and available in high volume inventory.

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 or compatible electrical and mechanical specifications.

Substiute Parts

ERJ-S1TF2202U

Panasonic Electronic ComponentsIn Stock: 876ERJ-S1TF2202U Datasheet

Current PartRFQ

ERJ-1TNF2202U

Panasonic Electronic ComponentsIn Stock: 20712ERJ-1TNF2202U Datasheet

SimilarRFQ

AC2512FK-0722KL

YAGEOIn Stock: 8773AC2512FK-0722KL Datasheet

SimilarRFQ

RC2512FK-0722KL

YAGEOIn Stock: 6712RC2512FK-0722KL Datasheet

SimilarRFQ

RHC2512FT22K0

Stackpole Electronics IncIn Stock: 919RHC2512FT22K0 Datasheet

SimilarRFQ

RMCF2512FT22K0

Stackpole Electronics IncIn Stock: 2109RMCF2512FT22K0 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S1TF2202U is determined by strict equivalence across the following critical parameters:

Primary Substitution Criteria:

• Resistance value: 22 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Package / Case: 2512 (6432 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Temperature Coefficient: ±100ppm/°C (exact match required)
• Operating Temperature Range: -55°C ~ 155°C (exact match required)
• RoHS Status: ROHS3 Compliant (exact match required)
• Moisture Sensitivity Level: 1 (Unlimited) (exact match required)

Secondary Consideration:

• Power Rating: 1W minimum (higher ratings are acceptable as they provide equivalent or superior performance in the same package)
• Automotive Qualification: AEC-Q200 preferred for automotive applications; non-automotive qualified parts are acceptable for non-automotive applications

All substitute parts listed meet or exceed the primary substitution criteria. Variations in power rating, specific features (anti-sulfur, moisture resistant), and product status are noted in the comparison table.

Parameter Comparison

Engineering Selection Recommendations

For Automotive Applications (AEC-Q200 Required):

The ERJ-S1TF2202U, AC2512FK-0722KL, and RMCF2512FT22K0 are qualified substitutes for automotive applications. The ERJ-S1TF2202U is the primary choice as an active product with anti-sulfur coating. The AC2512FK-0722KL (YAGEO) and RMCF2512FT22K0 (Stackpole) are active alternatives with equivalent electrical specifications and AEC-Q200 qualification. The ERJ-1TNF2202U is not recommended for new designs despite AEC-Q200 qualification due to its obsolescence status.

For Non-Automotive Applications:

The RC2512FK-0722KL (YAGEO) and RHC2512FT22K0 (Stackpole) are acceptable substitutes where automotive qualification is not required. Both are active products with identical electrical parameters. The RHC2512FT22K0 provides 2W power rating in the same package, offering additional thermal margin.

Packaging Consideration:

The RMCF2512FT22K0 is supplied in Cut Tape (CT) packaging, while all other parts are supplied in Tape & Reel (TR). This distinction affects handling and automated assembly processes.

Frequently Asked Questions (FAQ)

Q: Can ERJ-1TNF2202U be used as a substitute for ERJ-S1TF2202U?

A: Electrically and mechanically, yes. Both parts are identical in resistance, tolerance, power rating, package, and temperature specifications. However, ERJ-1TNF2202U is marked "Not For New Designs," indicating Panasonic has discontinued this product line. For new designs, use ERJ-S1TF2202U or active alternatives such as AC2512FK-0722KL or RMCF2512FT22K0.

Q: What is the difference between AC2512FK-0722KL and RC2512FK-0722KL?

A: Both are YAGEO 22 kOhms ±1% 1W 2512 resistors with identical electrical specifications. AC2512FK-0722KL carries AEC-Q200 automotive qualification and moisture-resistant features. RC2512FK-0722KL is moisture-resistant but lacks automotive qualification. Selection depends on application requirements.

Q: Can RHC2512FT22K0 (2W) replace ERJ-S1TF2202U (1W)?

A: Yes. The 2W rating is a higher power capability in the same 2512 package. This substitution is electrically and mechanically compatible. The higher power rating provides additional thermal margin and does not negatively impact circuit performance. However, RHC2512FT22K0 lacks AEC-Q200 qualification; use only in non-automotive applications or where automotive qualification is not required.

Q: Why is RMCF2512FT22K0 supplied in Cut Tape instead of Tape & Reel?

A: Packaging format is a supply chain and assembly process consideration, not an electrical or mechanical specification. Cut Tape (CT) is suitable for manual or semi-automated assembly, while Tape & Reel (TR) is optimized for high-volume automated pick-and-place assembly. Verify your assembly process compatibility before selecting this part.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and have Moisture Sensitivity Level 1 (Unlimited), matching the primary part's environmental compliance profile.

Q: Which substitute offers the best supply availability?

A: ERJ-1TNF2202U has the highest inventory (20,642 pcs), followed by AC2512FK-0722KL (8,669 pcs). However, ERJ-1TNF2202U is not recommended for new designs. Among active products suitable for new designs, AC2512FK-0722KL offers the best availability.