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Equivalent & Substitute Parts for SFS302405C
Part Overview
Manufacturer part number SFS302405C (Cosel USA, Inc.) is an isolated DC-DC converter module providing a single 5V output at up to 6A from an 18V to 36V input range. The module features remote on/off, over-current protection (OCP), over-voltage protection (OVP), and under-voltage lockout (UVLO), offered in a 20-DIP module package for through-hole mounting. The SFS302405C is part of the SFS (30W) series and supports ITE (Commercial) applications. As this part is listed as obsolete, it is necessary to identify substitute models for continued design-in, ongoing production, and maintenance requirements.
Substiute Parts
Key Parameters
| Parameter | SFS302405C | Description |
|---|---|---|
| Manufacturer | Cosel USA, Inc. | Original Component Supplier |
| Type | Isolated Module | DC-DC Converter Construction |
| Number of Outputs | 1 | Single Output Channel |
| Voltage - Input (Min) | 18V | Minimum Input Voltage |
| Voltage - Input (Max) | 36V | Maximum Input Voltage |
| Voltage - Output 1 | 5V | Primary Output Voltage |
| Current - Output (Max) | 6A | Maximum Output Current |
| Voltage - Isolation | 1.5 kV | Input-to-Output Isolation Rating |
| Efficiency | 92% | Power Conversion Efficiency |
| Mounting Type | Through Hole | PCB Mounting Method |
| Package / Case | 20-DIP Module, 17 Leads | Mechanical Form Factor |
| Operating Temperature | -40°C ~ 85°C | Specified Ambient Temperature Range |
| RoHS Status | ROHS3 Compliant | Environmental Compliance |
Substitute Part Grouping Explanation
The identification of substitute DC-DC converter modules is strictly based on matching the following electrical and mechanical parameters: type (Isolated Module), output configuration (1 output, 5V), maximum output current (6A), input range compatibility, isolation rating, mounting type (Through Hole), environmental compliance status, package/case attributes, and operating temperature. Only substitute models matching these parameters or offering an equal or wider operational specification are considered for equivalence within the product group.
Parameter Comparison
| Parameter | SFS302405C (Cosel USA, Inc.) |
RPA30-2405SAW/P (Recom Power) |
|---|---|---|
| Type | Isolated Module | Isolated Module |
| Number of Outputs | 1 | 1 |
| Voltage - Input (Min) | 18V | 9V |
| Voltage - Input (Max) | 36V | 36V |
| Voltage - Output 1 | 5V | 5V |
| Current - Output (Max) | 6A | 6A |
| Voltage - Isolation | 1.5 kV | 1.6 kV |
| Efficiency | 92% | 89% |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | 20-DIP Module, 17 Leads | 6-DIP Module |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 105°C (With Derating) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
Due to the SFS302405C part status being obsolete, substitute selection should be prioritized based on active product status and RoHS3 environmental compliance. RPA30-2405SAW/P (Recom Power) is an available substitute with an active status, matching all critical parameters including input and output voltage ranges, output current, isolation, and through-hole mounting. Both modules meet ROHS3 compliance requirements.
Frequently Asked Questions (FAQ)
Q1: What are the primary substitution criteria for DC-DC converter modules in this category?
A1: The substitution process considers key parameters including input and output voltage, maximum output current, isolation voltage, mounting type, package/case, number of outputs, operating temperature range, and compliance status.
Q2: Can modules with different package/case formats be substituted directly?
A2: Substitute modules must be compatible with the mechanical constraints of the intended application and PCB layout, as package/case formats and pinout may vary.
Q3: Is equivalence in isolation voltage mandatory for substitution?
A3: Substitutes must offer isolation voltage ratings equal to or greater than the original part to maintain system integrity and safety requirements.
Q4: Are substitutes with wider input voltage ranges acceptable?
A4: Substitute parts may provide wider input ranges provided all required ranges are fully covered and other parameters match.
Q5: Does product compliance (RoHS/REACH) impact substitution?
A5: Substitute parts must meet or exceed the environmental and safety compliance certifications of the original module for regulatory and reliability assurance.
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