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SCW03C-12 Equivalent & Substitute Parts Reference
Part Overview
The SCW03C-12 from MEAN WELL USA Inc. is an isolated module DC-DC converter with a single 12V, 250mA output, rated for 3W of power, 1kV isolation, and an input voltage range of 36V–72V. It belongs to the SCW03 (3W) series, is through-hole mounted with a 24-DIP Module, 8 Leads package, and is ROHS3 compliant. The product is classified as obsolete, making identification of direct and compatible substitute parts crucial for continued system support and new or replacement designs.
Substiute Parts
Key Parameters
| Parameter | SCW03C-12 Value |
|---|---|
| Type | Isolated Module |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 36V |
| Voltage - Input (Max) | 72V |
| Voltage - Output 1 | 12V |
| Current - Output (Max) | 250mA |
| Power (Watts) | 3 W |
| Voltage - Isolation | 1 kV |
| Applications | ITE (Commercial) |
| Features | OCP, SCP |
| Operating Temperature | -40°C ~ 71°C (With Derating) |
| Efficiency | 82% |
| Mounting Type | Through Hole |
| Package / Case | 24-DIP Module, 8 Leads |
| Size / Dimension | 1.25" L x 0.80" W x 0.48" H (31.8mm x 20.3mm x 12.2mm) |
| RoHS Status | ROHS3 Compliant |
| MSL | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitute parts for the SCW03C-12 are identified strictly based on matching electrical and mechanical parameters: isolated module type, single 12V output with 250mA current, 3W power rating, 36V–72V input range, through-hole 24-DIP Module, and required compliance to ROHS3 and MSL 1. Additional parameters considered are isolation voltage, efficiency, feature set, operating temperature range, and package dimensions as explicitly listed.
Parameter Comparison
| Parameter | SCW03C-12 | SCWN03C-12 | REC3-4812SRWZ/H4/A |
|---|---|---|---|
| Type | Isolated Module | Isolated Module | Isolated Module |
| Number of Outputs | 1 | 1 | 1 |
| Voltage - Input (Min) | 36V | 36V | 36V |
| Voltage - Input (Max) | 72V | 72V | 72V |
| Voltage - Output 1 | 12V | 12V | 12V |
| Current - Output (Max) | 250mA | 250mA | 250mA |
| Power (Watts) | 3 W | 3 W | 3 W |
| Voltage - Isolation | 1 kV | 3 kV | 4 kV |
| Applications | ITE (Commercial) | ITE (Commercial) | ITE (Commercial), Medical |
| Features | OCP, SCP | OCP, SCP, UVLO | SCP |
| Operating Temperature | -40°C ~ 71°C (With Derating) | -40°C ~ 90°C (With Derating) | -40°C ~ 85°C |
| Efficiency | 82% | 86% | 85% |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Package / Case | 24-DIP Module, 8 Leads | 24-DIP Module, 8 Leads | 24-DIP Module, 8 Leads |
| Size / Dimension | 1.25" L x 0.80" W x 0.48" H (31.8mm x 20.3mm x 12.2mm) | 1.25" L x 0.80" W x 0.40" H (31.8mm x 20.3mm x 10.2mm) | 1.26" L x 0.80" W x 0.40" H (32.0mm x 20.3mm x 10.2mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The SCW03C-12 is obsolete. Substitute part numbers SCWN03C-12 and REC3-4812SRWZ/H4/A both meet ROHS3 compliance and MSL 1 (unlimited) requirements, and are REACH unaffected. These attributes align with original part compliance and regulatory requirements. SCWN03C-12 maintains manufacturer alignment with MEAN WELL USA Inc. and provides matched electrical and mechanical characteristics. REC3-4812SRWZ/H4/A offers an alternative from Recom Power with similarly matching parameters.
Frequently Asked Questions (FAQ)
Q1: What are the key criteria for selecting an equivalent DC-DC converter for SCW03C-12?
A1: The substitute must match type (isolated module), input voltage range, output voltage, output current, power rating, mounting type, package, and compliance parameters including ROHS and MSL.
Q2: Are package dimensions and mounting compatibility maintained by substitutes?
A2: SCWN03C-12 and REC3-4812SRWZ/H4/A both use the 24-DIP Module, 8 Leads through-hole package with comparable dimensions to SCW03C-12.
Q3: Do both substitutes support the same application categories?
A3: All parts are categorized for ITE (Commercial) use. The REC3-4812SRWZ/H4/A also notes additional Medical application capability as per provided data.
Q4: Are environmental and compliance certifications retained with substitutes?
A4: Both substitutes maintain ROHS3 compliance, MSL 1, and REACH unaffected status.
Q5: Is output specification compatibility assured?
A5: All parts provide 12V output at up to 250mA with a 3W power capability and support a 36V–72V input range.
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