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PSK-S25D-12 Equivalent & Substitute Parts Reference
Part Overview
The CUI Inc. PSK-S25D-12 is an enclosed AC/DC converter, delivering a single 12V output at up to 2.1A (25W power) for ITE (Commercial) applications. Its wide input voltage acceptance (85~264 VAC, 100~370 VDC), universal input feature, and adjustable output make it suitable for various designs requiring compact through-hole mounting.
As component availability and supply chain considerations are critical, identifying form, fit, and function alternatives is essential. Substitute models support continuity in high-reliability, long-lifecycle projects where maintaining compliance and consistent operational parameters is mandatory.
Substiute Parts
Key Parameters
| Manufacturer Part Number | Manufacturer | Series | Type | Number of Outputs | Voltage - Input | Voltage - Output 1 | Current - Output (Max) | Power (Watts) | Applications | Mounting Type | Package / Case | Size / Dimension | Operating Temperature | Approval Agency | Standard Number | RoHS Status | Product Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PSK-S25D-12 | CUI Inc. | PSK-S25D (25W) | Enclosed | 1 | 85 ~ 264 VAC, 100 ~ 370 VDC | 12V | 2.1A | 25 W | ITE (Commercial) | Through Hole | 9-DIP Module, 6 Leads | 2.76" L x 1.89" W x 0.93" H | -40°C ~ 85°C (With Derating) | CB Scheme, IEC, UL | 62368-1 | RoHS Compliant | Active |
Substitute Part Grouping Explanation
Substitute AC/DC converters must match or exceed the following key parameters for form, fit, and function:
- Output Voltage: 12V
- Maximum Output Current and Power equal to or above original rating (2.1A, 25 W)
- Number of outputs: 1
- Input Voltage Range encompasses or equals the original range
- Mounting Type: Through Hole
- Output Type: Enclosed
- Application suitability (ITE or expanded to Household Appliances as specified)
- Package/case similar for mounting compatibility
- Compliance with RoHS and relevant safety approvals
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Series | Type | Number of Outputs | Voltage - Input | Voltage - Output 1 | Current - Output (Max) | Power (Watts) | Applications | Mounting Type | Package / Case | Size / Dimension | Operating Temperature | Approval Agency | Standard Number | RoHS Status | Product Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PSK-S25D-12 | CUI Inc. | PSK-S25D (25W) | Enclosed | 1 | 85 ~ 264 VAC, 100 ~ 370 VDC | 12V | 2.1A | 25 W | ITE (Commercial) | Through Hole | 9-DIP Module, 6 Leads | 2.76" x 1.89" x 0.93" | -40°C ~ 85°C (With Derating) | CB Scheme, IEC, UL | 62368-1 | RoHS Compliant | Active |
| PSK-30D-12 | CUI Inc. | PSK-30D | Enclosed | 1 | 85 ~ 305 VAC, 100 ~ 430 VDC | 12V | 2.5A | 30 W | Household Appliances, ITE (Commercial) | Through Hole | 4-DIP Module | 2.74" x 1.54" x 0.94" | -40°C ~ 85°C (With Derating) | CE, cURus, UKCA | 60335-1; 62368-1 | ROHS3 Compliant | Active |
| PSK-S25B-12 | CUI Inc. | PSK-S25B (25W) | Enclosed | 1 | 90 ~ 264 VAC, 120 ~ 370 VDC | 12V | 2.1A | 25 W | Household Appliances, ITE (Commercial) | Through Hole | 4-DIP Module | 2.09" x 1.19" x 0.98" | -30°C ~ 70°C (With Derating) | CB Scheme, EN, IEC, SIQ, TUV, UL | 55024; 55032 Class A; 60950-1; 61000-3-2; 61000-3-3; 61000-6-1; 61000-6-2; 61204-3; 62368-1 | ROHS3 Compliant | Active |
Engineering Selection Recommendations
All listed substitutes (PSK-30D-12, PSK-S25B-12) have active product status, compliant with RoHS requirements, and conform to international approval standards relevant to AC/DC converter products. Both alternatives include necessary certifications such as 62368-1, and all products support through-hole mounting and an enclosed package for direct replacement suitability, based strictly on the provided technical and compliance data.
Frequently Asked Questions (FAQ)
Q1: What output and input voltage must be considered for substituting PSK-S25D-12?
A1: Substitute AC/DC converters must provide a single 12V output and support input ranges at least as wide as the original (85~264 VAC, 100~370 VDC).
Q2: Are differences in package/case or dimensions relevant?
A2: All substitutes must be through-hole mounted and enclosed, with provided size and case information for mechanical compatibility.
Q3: How do standard numbers and approval agencies affect substitute selection?
A3: Substitutes must carry certifications such as 62368-1 and be approved by at least CB Scheme, IEC, or equivalent agencies, to maintain compliance.
Q4: Do the substitutes support the same power output?
A4: Substitute parts must match or exceed the 25W power rating and provide at least 2.1A output current at 12V.
Q5: What about RoHS and regulatory status?
A5: All listed alternatives are RoHS or ROHS3 compliant, as indicated in the input data.
Q6: Are all alternatives equally suitable for ITE (Commercial) and Household Appliances?
A6: Provided application fields cover both ITE (Commercial) and Household Appliances as specified in the approved parameters.
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