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Equivalent & Substitute Parts for SCW03B-15
Part Overview
The SCW03B-15, manufactured by MEAN WELL USA Inc., is an isolated module DC-DC converter featuring a single 15V output at up to 200mA with a total power rating of 3W. It operates across an 18V to 36V input range and offers 1kV isolation. The product is supplied in a 24-DIP module, through-hole package and targets commercial ITE applications. The SCW03B-15 is currently classified as obsolete, making it necessary to identify alternative models with matching key functional and mechanical parameters for continued product support or new design-in.
Substiute Parts
Key Parameters
| Parameter | SCW03B-15 Value |
|---|---|
| Type | Isolated Module |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 18V |
| Voltage - Input (Max) | 36V |
| Voltage - Output 1 | 15V |
| Current - Output (Max) | 200mA |
| Power (Watts) | 3 W |
| Voltage - Isolation | 1 kV |
| Package / Case | 24-DIP Module, 8 Leads |
| Mounting Type | Through Hole |
| 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 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitute relationships for DC-DC isolated module converters are strictly determined based on the following key parameters:
- Input Voltage Range
- Output Voltage
- Output Current
- Output Power
- Number of Outputs
- Isolation Voltage
- Package / Case
- Mounting Type
- Regulatory Compliance (RoHS, REACH, MSL)
Parts grouped as substitutes precisely match or exceed these core parameters, ensuring functional, mechanical, and compliance compatibility for direct replacement within the allowed product category criteria.
Parameter Comparison
| Parameter | SCW03B-15 (MEAN WELL USA Inc.) |
SCWN03B-15 (MEAN WELL USA Inc.) |
REC3-2415SRWZ/H4/A (Recom Power) |
|---|---|---|---|
| Type | Isolated Module | Isolated Module | Isolated Module |
| Number of Outputs | 1 | 1 | 1 |
| Voltage - Input (Min) | 18V | 18V | 18V |
| Voltage - Input (Max) | 36V | 36V | 36V |
| Voltage - Output 1 | 15V | 15V | 15V |
| Current - Output (Max) | 200mA | 200mA | 200mA |
| Power (Watts) | 3 W | 3 W | 3 W |
| Voltage - Isolation | 1 kV | 3 kV | 4 kV |
| Package / Case | 24-DIP Module, 8 Leads | 24-DIP Module, 8 Leads | 24-DIP Module, 8 Leads |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Size / Dimension | 1.25" x 0.80" x 0.48" | 1.25" x 0.80" x 0.40" | 1.26" x 0.80" x 0.40" |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected |
| Product Status | Obsolete | Active | Active |
Engineering Selection Recommendations
SCW03B-15 is obsolete, while SCWN03B-15 and REC3-2415SRWZ/H4/A are currently active. All listed parts comply with ROHS3, maintain MSL 1 (Unlimited), and are unaffected by REACH. Suitable direct substitutions are SCWN03B-15 and REC3-2415SRWZ/H4/A, each providing matching or improved key electrical, mechanical, and environmental parameters consistent with the original part number.
Frequently Asked Questions (FAQ)
Q1: What parameters must match for a DC-DC converter substitute in this category?
A1: Substitution requires direct compatibility in input voltage range, output voltage, output current, output power, isolation voltage, package/case, mounting type, and compliance certifications.
Q2: Are the substitute parts compatible in size and mounting with SCW03B-15?
A2: All substitute parts use a 24-DIP module, 8 leads, with through-hole mounting. Minor differences in height may exist but the length and width are consistent.
Q3: Can these substitutes be used in applications requiring ROHS3 compliance?
A3: All parts listed are ROHS3 compliant and unaffected by REACH, suitable for the same regulatory application requirements.
Q4: How does isolation voltage affect substitution?
A4: The substitution parts have equal or higher isolation voltage ratings compared to the SCW03B-15, meeting or exceeding the original design requirement for isolation.
Q5: Is output performance equivalent between these parts?
A5: Output voltage, current, power, and output count exactly match the SCW03B-15 specification among all substitutes listed.
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