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Equivalent & Substitute Parts for ERJ-S1TF2203U
Part Overview
The ERJ-S1TF2203U is a 220 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 harsh environments. The product maintains active status with 795 units in current inventory.
Substitute parts are necessary when the primary part faces supply constraints, extended lead times, or when design flexibility permits equivalent alternatives that meet identical electrical and mechanical specifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 220 kOhms |
| Tolerance | ±1% |
| Power Rating | 1W |
| Package / Case | 2512 (6432 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-S1TF2203U is determined by strict equivalence across the following parameters:
- Resistance value: 220 kOhms
- Tolerance: ±1%
- Power rating: 1W
- Package: 2512 (6432 Metric)
- Composition: Thick Film
- Temperature coefficient: ±100ppm/°C
- Operating temperature range: -55°C ~ 155°C
- RoHS compliance: ROHS3 Compliant
- Moisture sensitivity: MSL 1
All substitute parts listed meet these core electrical and mechanical requirements. Variations in physical dimensions (length, width, height) within the 2512 package specification and differences in feature sets (anti-sulfur coating, automotive ratings) do not preclude substitution when these core parameters align.
Parameter Comparison
| Parameter | ERJ-S1TF2203U (Panasonic) | ERJ-1TNF2203U (Panasonic) | CRCW2512220KFKEG (Vishay Dale) | RC2512FK-07220KL (YAGEO) | RMCF2512FT220K (Stackpole) |
|---|---|---|---|---|---|
| Resistance | 220 kOhms | 220 kOhms | 220 kOhms | 220 kOhms | 220 kOhms |
| Tolerance | ±1% | ±1% | ±1% | ±1% | ±1% |
| Power Rating | 1W | 1W | 1W | 1W | 1W |
| Package | 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 |
| Temperature Coefficient | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C |
| Operating Temperature | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Active | Not For New Designs | Active | Active | Active |
Engineering Selection Recommendations
Primary Selection: ERJ-S1TF2203U remains the recommended choice for new designs due to active product status and anti-sulfur coating feature for enhanced reliability in corrosive environments.
Active Alternatives: CRCW2512220KFKEG (Vishay Dale), RC2512FK-07220KL (YAGEO), and RMCF2512FT220K (Stackpole) are all active products meeting identical electrical specifications and RoHS compliance. These parts are suitable for direct substitution in applications where supply availability is a consideration.
Legacy Consideration: ERJ-1TNF2203U (Panasonic) carries "Not For New Designs" status and should be avoided in new product development despite meeting all electrical and mechanical parameters. This part remains available for legacy system maintenance and repair applications only.
All substitute parts carry ROHS3 compliance and MSL 1 rating, ensuring compatibility with standard manufacturing and storage conditions.
Frequently Asked Questions (FAQ)
Q: Can ERJ-1TNF2203U be used as a substitute for ERJ-S1TF2203U? A: Electrically and mechanically, yes. However, ERJ-1TNF2203U carries "Not For New Designs" status. Use this part only for legacy system repairs or when supply of active alternatives is unavailable.
Q: What is the difference between the anti-sulfur coating on ERJ-S1TF2203U and other substitutes? A: The anti-sulfur feature on ERJ-S1TF2203U provides enhanced protection in high-sulfur environments. Other substitutes lack this specific feature but maintain equivalent electrical performance in standard operating conditions.
Q: Are all substitute parts automotive-qualified? A: ERJ-S1TF2203U, ERJ-1TNF2203U, CRCW2512220KFKEG, and RMCF2512FT220K carry AEC-Q200 automotive qualification. RC2512FK-07220KL does not list automotive qualification but meets all electrical specifications.
Q: Do physical dimension variations within the 2512 package affect substitution? A: No. All parts conform to the 2512 (6432 Metric) package standard. Minor variations in length, width, and height (within specification tolerances) do not impact electrical performance or PCB layout compatibility.
Q: What is the inventory status of substitute parts? A: CRCW2512220KFKEG (25,423 units), RMCF2512FT220K (12,855 units), ERJ-1TNF2203U (12,882 units), and RC2512FK-07220KL (5,305 units) are all in stock. Availability should be confirmed with your supplier for current lead times.
Q: Are all substitutes RoHS3 compliant? A: Yes. All listed parts meet ROHS3 compliance and carry MSL 1 (Unlimited) moisture sensitivity rating.
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