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MOSX2CT52R2R2J Equivalent & Substitute Parts
Part Overview
The MOSX2CT52R2R2J is a 2.2 Ohm, 2W through-hole axial resistor manufactured by KOA Speer Electronics, Inc. This metal oxide film resistor features flame retardant coating and safety characteristics, designed for applications requiring reliable power dissipation in the 2-watt range. The part is Active in product status with 1275 pieces currently in stock. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 2.2 Ohms |
| Tolerance | ±5% |
| Power Rating | 2W |
| Composition | Metal Oxide Film |
| Package Type | Axial |
| Operating Temperature Range | -55°C ~ 200°C |
| Temperature Coefficient | ±300ppm/°C |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitute parts for the MOSX2CT52R2R2J are identified based on strict electrical and mechanical parameter matching. The primary substitution criteria are:
Electrical Parameters:
- Resistance value: 2.2 Ohms
- Tolerance: ±5%
- Power rating: 2W
- Composition: Metal Oxide Film
Mechanical Parameters:
- Package configuration: Axial through-hole
- Number of terminations: 2
- Physical form factor compatibility
Compliance Parameters:
- RoHS3 compliance
- REACH unaffected status
- ECCN and HTSUS classifications
Substitute parts are grouped into two categories: parametric equivalents (identical specifications) and similar alternatives (compatible electrical and mechanical characteristics with minor dimensional variations).
Parameter Comparison
| Parameter | MOSX2CT52R2R2J (Main) | MOSX2CT52A2R2J (Parametric Equivalent) | RSF200JB-73-2R2 (Similar Alternative) |
|---|---|---|---|
| Manufacturer | KOA Speer Electronics, Inc. | KOA Speer Electronics, Inc. | YAGEO |
| Resistance | 2.2 Ohms | 2.2 Ohms | 2.2 Ohms |
| Tolerance | ±5% | ±5% | ±5% |
| Power Rating | 2W | 2W | 2W |
| Composition | Metal Oxide Film | Metal Oxide Film | Metal Oxide Film |
| Package | Axial | Axial | Axial |
| Size / Dimension | 0.157" Dia x 0.472" L (4.00mm x 12.00mm) | 0.157" Dia x 0.472" L (4.00mm x 12.00mm) | 0.197" Dia x 0.610" L (5.00mm x 15.50mm) |
| Operating Temperature Range | -55°C ~ 200°C | -55°C ~ 200°C | -55°C ~ 235°C |
| Temperature Coefficient | ±300ppm/°C | ±300ppm/°C | Not specified |
| Features | Flame Retardant Coating, Safety | Flame Retardant Coating, Safety | Flame Proof, Safety |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Active | Active | Active |
| Inventory Availability | 1275 Pcs | 2463 Pcs | 7496 Pcs |
Engineering Selection Recommendations
MOSX2CT52A2R2J (Parametric Equivalent): This part is a direct parametric equivalent to the MOSX2CT52R2R2J. Both parts are manufactured by KOA Speer Electronics, Inc., share identical electrical specifications (2.2 Ohms, ±5%, 2W), and feature the same physical dimensions and operating temperature range. Both are ROHS3 compliant and Active in product status. This substitute provides identical functional performance with higher inventory availability (2463 pieces).
RSF200JB-73-2R2 (Similar Alternative): The RSF200JB-73-2R2 from YAGEO meets all core electrical requirements (2.2 Ohms, ±5%, 2W metal oxide film composition) and is packaged in an axial through-hole configuration. This part is ROHS3 compliant and Active in product status. The RSF200JB-73-2R2 features an extended operating temperature range (-55°C ~ 235°C) and flame proof characteristics. Physical dimensions differ (0.197" Dia x 0.610" L versus 0.157" Dia x 0.472" L), requiring verification of PCB layout compatibility. This substitute offers the highest inventory availability (7496 pieces).
Frequently Asked Questions (FAQ)
Q: Can MOSX2CT52A2R2J be used as a direct replacement for MOSX2CT52R2R2J?
A: Yes. The MOSX2CT52A2R2J is a parametric equivalent with identical resistance (2.2 Ohms), tolerance (±5%), power rating (2W), physical dimensions (4.00mm x 12.00mm), operating temperature range (-55°C ~ 200°C), and temperature coefficient (±300ppm/°C). Both parts are manufactured by KOA Speer Electronics, Inc., and are ROHS3 compliant.
Q: What are the dimensional differences between the main part and RSF200JB-73-2R2?
A: The MOSX2CT52R2R2J measures 0.157" diameter by 0.472" length (4.00mm x 12.00mm). The RSF200JB-73-2R2 measures 0.197" diameter by 0.610" length (5.00mm x 15.50mm). The YAGEO part is larger in both diameter and length, which may affect PCB layout and component spacing.
Q: Are all substitute parts RoHS compliant?
A: Yes. The MOSX2CT52R2R2J, MOSX2CT52A2R2J, and RSF200JB-73-2R2 are all ROHS3 compliant. All three parts are REACH unaffected.
Q: What is the difference between flame retardant and flame proof coatings?
A: The MOSX2CT52R2R2J and MOSX2CT52A2R2J feature flame retardant coating. The RSF200JB-73-2R2 features flame proof coating. Both provide safety characteristics; flame proof offers enhanced fire resistance properties.
Q: Does the RSF200JB-73-2R2 have a specified temperature coefficient?
A: The temperature coefficient for RSF200JB-73-2R2 is not specified in the provided data. The MOSX2CT52R2R2J and MOSX2CT52A2R2J both specify ±300ppm/°C.
Q: What is the maximum operating temperature for each part?
A: The MOSX2CT52R2R2J and MOSX2CT52A2R2J operate to 200°C. The RSF200JB-73-2R2 operates to 235°C, providing a 35°C higher maximum temperature capability.
Q: How do packaging formats differ between these parts?
A: The MOSX2CT52R2R2J is supplied in Cut Tape (CT) packaging. The MOSX2CT52A2R2J is also supplied in Cut Tape (CT) packaging. The RSF200JB-73-2R2 is supplied in Bulk packaging. Packaging format affects handling, storage, and automated assembly processes.
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