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RMC1/8K44R2FTP Equivalent & Substitute Parts
Part Overview
The RMC1/8K44R2FTP is a 44.2 Ohm ±1% 0.25W thick film chip resistor manufactured by Kamaya Inc. in 1206 (3216 Metric) surface mount package. This component is classified as Active product status with unlimited moisture sensitivity rating (MSL 1). The part is suitable for general-purpose applications requiring precision resistive elements in compact form factors. Substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to ensure direct functional replacement in circuit designs.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 44.2 Ohms |
| Tolerance | ±1% |
| Power Rating | 0.25W (1/4W) |
| Composition | Thick Film |
| Package / Case | 1206 (3216 Metric) |
| Temperature Coefficient | ±100ppm/°C |
| Operating Temperature Range | -55°C ~ 155°C |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 2 |
Substitute Part Grouping Explanation
Substitution eligibility for the RMC1/8K44R2FTP is determined by the following mandatory parameters:
Electrical Specifications:
- Resistance value: 44.2 Ohms (exact match required)
- Tolerance: ±1% (exact match required)
- Power rating: 0.25W / 1/4W (exact match required)
- Temperature coefficient: ±100ppm/°C (exact match required)
- Operating temperature range: -55°C ~ 155°C (exact match required)
Mechanical & Package Specifications:
- Package type: 1206 (3216 Metric) surface mount (exact match required)
- Composition: Thick film (exact match required)
- Number of terminations: 2 (exact match required)
- Moisture sensitivity: MSL 1 (exact match required)
Compliance & Environmental:
- REACH Status: REACH Unaffected (exact match required)
- ECCN: EAR99 (exact match required)
All identified substitute parts meet these criteria and are therefore electrically and mechanically interchangeable with the RMC1/8K44R2FTP in applications where the specified parameters are required.
Parameter Comparison
| Parameter | RMC1/8K44R2FTP (Kamaya) | ERJ-8ENF44R2V (Panasonic) | RC1206FR-0744R2L (YAGEO) | RMCF1206FT44R2 (Stackpole) |
|---|---|---|---|---|
| Resistance | 44.2 Ohms | 44.2 Ohms | 44.2 Ohms | 44.2 Ohms |
| Tolerance | ±1% | ±1% | ±1% | ±1% |
| Power Rating | 0.25W | 0.25W | 0.25W | 0.25W |
| Composition | Thick Film | Thick Film | Thick Film | Thick Film |
| Package | 1206 (3216 Metric) | 1206 (3216 Metric) | 1206 (3216 Metric) | 1206 (3216 Metric) |
| Temperature Coefficient | ±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 |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Number of Terminations | 2 | 2 | 2 | 2 |
| Product Status | Active | Not For New Designs | Active | Active |
| RoHS Status | Not specified | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
Primary Selection (Active Status): RC1206FR-0744R2L (YAGEO) and RMCF1206FT44R2 (Stackpole) are recommended as primary substitutes. Both parts maintain Active product status, ensuring long-term availability and continued manufacturer support. YAGEO RC1206FR-0744R2L features moisture-resistant construction. RMCF1206FT44R2 includes AEC-Q200 automotive qualification, suitable for applications requiring automotive-grade reliability.
Secondary Selection (Not For New Designs): ERJ-8ENF44R2V (Panasonic) is classified as Not For New Designs. While electrically and mechanically equivalent, this part should be used only for legacy system maintenance or replacement applications where existing designs already specify this component. The part includes AEC-Q200 automotive qualification.
Compliance Considerations: All substitute parts are REACH Unaffected and carry EAR99 ECCN classification, matching the regulatory profile of the RMC1/8K44R2FTP. YAGEO and Stackpole substitutes provide ROHS3 compliance documentation. Selection between substitutes should prioritize application requirements: general-purpose applications favor YAGEO RC1206FR-0744R2L; automotive applications favor RMCF1206FT44R2 (Stackpole).
Frequently Asked Questions (FAQ)
Q: Can ERJ-8ENF44R2V (Panasonic) be used as a direct replacement for RMC1/8K44R2FTP?
A: Yes, ERJ-8ENF44R2V meets all electrical and mechanical substitution criteria. However, the part is classified as Not For New Designs. Use this substitute only for maintenance of existing systems or legacy applications already specifying this component.
Q: What is the difference between RC1206FR-0744R2L and RMCF1206FT44R2?
A: Both parts are electrically identical and mechanically compatible. RC1206FR-0744R2L (YAGEO) features moisture-resistant construction for general-purpose applications. RMCF1206FT44R2 (Stackpole) includes AEC-Q200 automotive qualification for applications requiring automotive-grade reliability. Selection depends on application requirements.
Q: Are there dimensional differences between the main part and substitutes?
A: Minor dimensional variations exist. RMC1/8K44R2FTP and RC1206FR-0744R2L share identical length (0.122" / 3.10mm) and width (0.063" / 1.60mm). ERJ-8ENF44R2V and RMCF1206FT44R2 have slightly larger dimensions (0.126" L x 0.063" W / 3.20mm x 1.60mm). Height differences are minimal (0.025" to 0.028" / 0.65mm to 0.70mm). These variations are within standard 1206 package tolerances and do not affect PCB layout compatibility.
Q: Do all substitute parts have the same moisture sensitivity rating?
A: Yes. All parts including RMC1/8K44R2FTP, ERJ-8ENF44R2V, RC1206FR-0744R2L, and RMCF1206FT44R2 carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions during storage or handling.
Q: Which substitute part has the highest inventory availability?
A: ERJ-8ENF44R2V (Panasonic) has the highest inventory at 65,771 pieces. RC1206FR-0744R2L (YAGEO) has 10,544 pieces. RMCF1206FT44R2 (Stackpole) has 3,253 pieces. RMC1/8K44R2FTP (Kamaya) has 784 pieces in stock.
Q: Are all substitute parts ROHS3 compliant?
A: RC1206FR-0744R2L (YAGEO), ERJ-8ENF44R2V (Panasonic), and RMCF1206FT44R2 (Stackpole) are documented as ROHS3 Compliant. RMC1/8K44R2FTP RoHS status is not specified in available documentation.
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