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RMC1/8K2201FTP Equivalent & Substitute Parts
Part Overview
The RMC1/8K2201FTP is a 2.2 kOhms ±1% 0.25W thick film chip resistor manufactured by Kamaya Inc. in 1206 (3216 Metric) surface mount package format. This component is classified as Active product status with 1,044 pieces currently in stock. The RMC series represents a standard general-purpose resistor suitable for industrial and commercial applications. Substitute parts are necessary to address supply chain continuity, inventory availability, or specific application requirements such as automotive qualification or enhanced moisture resistance.
Substiute Parts
Key Parameters
| Parameter | Value | Specification |
|---|---|---|
| Resistance | 2.2 kOhms | Core electrical characteristic |
| Tolerance | ±1% | Precision grade |
| Power Rating | 0.25W (1/4W) | Thermal dissipation capacity |
| Package / Case | 1206 (3216 Metric) | Physical form factor |
| Composition | Thick Film | Construction technology |
| Temperature Coefficient | ±100ppm/°C | Stability over temperature |
| Operating Temperature Range | -55°C ~ 155°C | Environmental limits |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | Handling and storage classification |
| Number of Terminations | 2 | Connection points |
Substitute Part Grouping Explanation
Substitution eligibility for the RMC1/8K2201FTP is determined by strict equivalence across the following critical parameters:
Mandatory Matching Parameters:
- Resistance value: 2.2 kOhms
- Tolerance: ±1%
- Power rating: 0.25W (1/4W)
- Package / Case: 1206 (3216 Metric)
- Composition: Thick Film
- Temperature coefficient: ±100ppm/°C
- Operating temperature range: -55°C ~ 155°C
- Moisture sensitivity level: 1 (Unlimited)
- Number of terminations: 2
All five substitute parts listed below meet these mandatory parameters. Variations in physical dimensions (length, width, height) within acceptable tolerances and differences in packaging format (Tape & Reel versus Cut Tape) do not disqualify substitution. Additional features such as automotive AEC-Q200 qualification or moisture resistance represent enhancements that maintain backward compatibility.
Parameter Comparison
| Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Composition | Temp Coeff (ppm/°C) | Operating Temp (°C) | MSL | Product Status | Packaging Format |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RMC1/8K2201FTP | Kamaya Inc. | 2.2 kΩ | ±1% | 0.25 | 1206 | Thick Film | ±100 | -55 ~ 155 | 1 | Active | Tape & Reel |
| CRG1206F2K2 | TE Connectivity | 2.2 kΩ | ±1% | 0.25 | 1206 | Thick Film | ±100 | -55 ~ 155 | 1 | Active | Tape & Reel |
| ERJ-8ENF2201V | Panasonic Electronic Components | 2.2 kΩ | ±1% | 0.25 | 1206 | Thick Film | ±100 | -55 ~ 155 | 1 | Not For New Designs | Tape & Reel |
| KTR18EZPF2201 | Rohm Semiconductor | 2.2 kΩ | ±1% | 0.25 | 1206 | Thick Film | ±100 | -55 ~ 155 | 1 | Active | Tape & Reel |
| RC1206FR-072K2L | YAGEO | 2.2 kΩ | ±1% | 0.25 | 1206 | Thick Film | ±100 | -55 ~ 155 | 1 | Active | Cut Tape & Digi-Reel |
| RMCF1206FT2K20 | Stackpole Electronics Inc | 2.2 kΩ | ±1% | 0.25 | 1206 | Thick Film | ±100 | -55 ~ 155 | 1 | Active | Tape & Reel |
Engineering Selection Recommendations
Primary Selection Criteria:
All substitute parts maintain electrical and mechanical equivalence to the RMC1/8K2201FTP. Selection among alternatives should be based on the following factors:
Product Status Consideration: The ERJ-8ENF2201V carries a "Not For New Designs" status. This part remains functionally equivalent and suitable for replacement in existing designs or legacy applications but should not be selected for new product development.
Compliance and Certifications: Four of the five substitute parts (CRG1206F2K2, ERJ-8ENF2201V, KTR18EZPF2201, RMCF1206FT2K20) carry RoHS3 compliance certification. The RC1206FR-072K2L also carries RoHS3 compliance. All parts are REACH Unaffected and classified under ECCN EAR99.
Automotive Applications: Three substitute parts carry AEC-Q200 automotive qualification: ERJ-8ENF2201V (Panasonic), KTR18EZPF2201 (Rohm), and RMCF1206FT2K20 (Stackpole). The KTR18EZPF2201 additionally features high voltage capability. These parts are appropriate for automotive or harsh environment applications.
Enhanced Features: The RC1206FR-072K2L includes moisture-resistant construction. The KTR18EZPF2201 includes high voltage capability in addition to automotive qualification.
Inventory Availability: Substitute parts show varying stock levels: RMCF1206FT2K20 (292,926 pcs), RC1206FR-072K2L (167,335 pcs), ERJ-8ENF2201V (57,373 pcs), CRG1206F2K2 (35,856 pcs), and KTR18EZPF2201 (13,350 pcs).
Frequently Asked Questions (FAQ)
Q: Can I use any of these substitute parts as a direct replacement for RMC1/8K2201FTP?
A: Yes. All five substitute parts meet the mandatory electrical and mechanical parameters: 2.2 kOhms ±1% resistance, 0.25W power rating, 1206 package, thick film composition, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, and MSL 1 classification. Physical dimension variations and packaging format differences (Tape & Reel versus Cut Tape) do not prevent substitution.
Q: What is the difference between Tape & Reel and Cut Tape packaging?
A: Tape & Reel packaging supplies components on continuous carrier tape wound on reels, suitable for automated assembly processes. Cut Tape & Digi-Reel packaging supplies components on cut segments of carrier tape, typically for smaller quantity orders or manual assembly. Both formats contain identical components; the difference is in supply format and handling method.
Q: Should I use the ERJ-8ENF2201V if it is marked "Not For New Designs"?
A: The ERJ-8ENF2201V is electrically and mechanically equivalent and remains suitable for replacement in existing designs or legacy applications. However, for new product development, select from the four parts with Active status: CRG1206F2K2, KTR18EZPF2201, RC1206FR-072K2L, or RMCF1206FT2K20.
Q: Which substitute part should I choose for automotive applications?
A: Three parts carry AEC-Q200 automotive qualification: ERJ-8ENF2201V (Panasonic), KTR18EZPF2201 (Rohm), and RMCF1206FT2K20 (Stackpole). Among these, KTR18EZPF2201 and RMCF1206FT2K20 have Active status. KTR18EZPF2201 additionally features high voltage capability.
Q: Are all substitute parts RoHS compliant?
A: Yes. All five substitute parts carry RoHS3 compliance certification. All parts are also REACH Unaffected and classified under ECCN EAR99.
Q: What does MSL 1 (Unlimited) mean?
A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life without special moisture control measures. These components do not require dry-pack storage or baking procedures before use, simplifying inventory management and handling.
Q: Can I mix different substitute parts in the same assembly?
A: Yes. All substitute parts are electrically and mechanically equivalent. Mixing different manufacturers' parts in the same assembly does not create compatibility issues, though standard manufacturing practice typically maintains single-source components per assembly for traceability and consistency.
Q: What are the physical dimension differences among substitute parts?
A: All parts conform to the 1206 (3216 Metric) package standard. Minor variations exist: length ranges from 0.122" to 0.126" (3.10mm to 3.20mm), width ranges from 0.061" to 0.063" (1.55mm to 1.60mm), and height ranges from 0.025" to 0.028" (0.65mm to 0.70mm). These variations fall within standard 1206 package tolerances and do not affect PCB footprint compatibility.
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