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Equivalent & Substitute Parts for PSK-S20C-5
Part Overview
The PSK-S20C-5 by CUI Inc. is an enclosed AC/DC converter designed to deliver a single 5V output at up to 3.6A with an 18W power rating. This model supports universal input voltages of 85 ~ 264 VAC or 100 ~ 370 VDC and is approved for ITE (Commercial) use. Due to its product status as "Obsolete," it is necessary to identify suitable alternatives to ensure ongoing design support and supply continuity.
Substiute Parts
Key Parameters
| Manufacturer Part Number | Manufacturer | Series | Product Status | Type | Number of Outputs | Voltage - Input | Voltage - Output 1 | Current - Output (Max) | Power (Watts) | Applications | Operating Temperature | Efficiency | Mounting Type | Package / Case | Size / Dimension | Approval Agency | Standard Number | Line Regulation | Load Regulation | RoHS Status | REACH Status | ECCN | HTSUS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PSK-S20C-5 | CUI Inc. | PSK-S20C (20W) | Obsolete | Enclosed | 1 | 85 ~ 264 VAC, 100 ~ 370 VDC | 5V | 3.6A | 18 W | ITE (Commercial) | -40°C ~ 70°C (With Derating) | 78% | Through Hole | 4-DIP Module | 2.12" x 1.13" x 0.93" | CB Scheme, EN, IEC, UL | 55024; 55032 Class A; 60950-1; 61000-3-2; 62368-1 | ±0.5% | ±1% | RoHS Compliant | REACH Unaffected | EAR99 | 8504.40.9510 |
Substitute Part Grouping Explanation
Substitute parts are selected strictly according to compatibility in electrical and mechanical parameters, including input voltage range, output voltage, output current, power rating, output count, mounting type, package style, regulatory compliance, and environmental certifications. Key allowed parameters are as follows:
- Input Voltage Range
- Output Voltage
- Output Current (Maximum)
- Power (Watts)
- Number of Outputs
- Mounting Type
- Package / Case
- Approval Agency / Standard Number
- RoHS & REACH Status
All listed substitutes meet or exceed these parameters based solely on the provided data.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Series | Product Status | Type | Number of Outputs | Voltage - Input | Voltage - Output 1 | Current - Output (Max) | Power (Watts) | Applications | Operating Temperature | Efficiency | Mounting Type | Package / Case | Size / Dimension | Approval Agency | Standard Number | Line Regulation | Load Regulation | RoHS Status | REACH Status | ECCN | HTSUS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PSK-S20C-5 | CUI Inc. | PSK-S20C (20W) | Obsolete | Enclosed | 1 | 85 ~ 264 VAC, 100 ~ 370 VDC | 5V | 3.6A | 18 W | ITE (Commercial) | -40°C ~ 70°C (With Derating) | 78% | Through Hole | 4-DIP Module | 2.12" x 1.13" x 0.93" | CB Scheme, EN, IEC, UL | 55024; 55032 Class A; 60950-1; 61000-3-2; 62368-1 | ±0.5% | ±1% | RoHS Compliant | REACH Unaffected | EAR99 | 8504.40.9510 |
| PSK-20D-5 | CUI Inc. | PSK-20D (20W) | Active | Enclosed | 1 | 85 ~ 305 VAC, 100 ~ 430 VDC | 5V | 4A | 20 W | Household Appliances, ITE (Commercial), Medical | -40°C ~ 85°C (With Derating) | 85% | Through Hole | 6-DIP Module, 4 Leads | 2.06" x 1.07" x 0.94" | CE, cURus | 60335-1; 60601-1; 62368-1 | ±0.5% | ±1% | ROHS3 Compliant | REACH Unaffected | EAR99 | 8504.40.9510 |
| RAC20-05SK | Recom Power | POWERLINE RAC20-K (20W) | Active | Enclosed | 1 | 85 ~ 264 VAC, 120 ~ 370 VDC | 5V | 4A | 20 W | Household Appliances, ITE (Commercial) | -40°C ~ 85°C (With Derating) | 84% | Through Hole | 5-DIP Module, 4 Leads | 2.07" x 1.08" x 0.91" | CB, CE, cURus | ±0.5% | ±2% | ROHS3 Compliant | REACH Unaffected | EAR99 | 8504.40.9580 |
Engineering Selection Recommendations
Select substitute parts for PSK-S20C-5 based on the parameters: product status, RoHS and REACH compliance, and industry standard certifications. Substitutes listed are active, RoHS and REACH compliant, and carry appropriate approval agency and standard numbers within the same product class.
Frequently Asked Questions (FAQ)
Q: What are the main substitution criteria for PSK-S20C-5?
A: Substitution is determined by matching input and output voltage ranges, output current, power capability, number of outputs, mounting method, package size, and regulatory compliance.
Q: Are the substitute parts compatible in mounting and package style?
A: All substitutes use through-hole mounting and DIP-style modules; verify physical fit within the same module class.
Q: How do approval agencies and standards impact compatibility?
A: Substitute units carry similar or broader approval agency certifications and meet comparable standard numbers as required for ITE (Commercial) and related categories.
Q: Do RoHS and REACH status matter for substitute selection?
A: All listed substitutes maintain RoHS and REACH compliance status, ensuring suitability for environmentally regulated applications.
Q: Can the substitutes deliver equal or greater power and current?
A: All substitutes deliver 5V at up to 4A (greater than the original's 3.6A), supporting equal or higher power applications within specified parameters.
Q: Is input voltage range a matching criterion?
A: Substitutes cover the input voltage range of the original part and, in some cases, extend the range for wider input compatibility.
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