Equivalent & Substitute Parts Reference: PSK-S20C-9

Part Overview

The PSK-S20C-9 from CUI Inc. is an enclosed AC/DC converter delivering 9V at up to 2.2A (20W output power) for ITE (Commercial) applications. The unit accepts a wide input voltage range of 85 ~ 264 VAC or 100 ~ 370 VDC, features through hole mounting, and complies with multiple global approval standards. The PSK-S20C-9 is classified as obsolete, necessitating selection of alternative or substitute parts with matching electrical, mechanical, and regulatory characteristics for ongoing design, maintenance, or replacement requirements.

Substiute Parts

PSK-S20C-9
CUI Inc.In Stock: 809PSK-S20C-9 Datasheet
PSK-S20C-9
Current Part
PSK-20D-9
CUI Inc.In Stock: 833PSK-20D-9 Datasheet
PSK-20D-9
MFR Recommended

Key Parameters

Parameter Value
Manufacturer Part Number PSK-S20C-9
Output Voltage 9V
Output Current (Max) 2.2A
Power Output (Watts) 20W
Number of Outputs 1
Input Voltage Range (AC) 85 ~ 264 VAC
Input Voltage Range (DC) 100 ~ 370 VDC
Mounting Type Through Hole
Package / Case 4-DIP Module
Size / Dimension 2.12" L x 1.13" W x 0.93" H
Operating Temperature -40°C ~ 70°C (With Derating)
Efficiency 79%
RoHS Status RoHS Compliant
Product Status Obsolete
Approval Agency / Standards CB Scheme, EN, IEC, UL; 55024; 55032 Class A; 60950-1; 61000-3-2; 62368-1
Line Regulation ±0.5%
Load Regulation ±1%

Substitute Part Grouping Explanation

Suitable substitute parts are selected strictly based on the following key parameters: output voltage (9V), output current (2.2A maximum), output power (20W), number of outputs (1), input voltage ranges (AC and DC), mounting method (through hole), package dimensions, operating temperature range, efficiency, RoHS compliance, and relevant standard approvals. Substitute parts must provide identical or superior specifications in these fields to ensure electrical and mechanical compatibility.

Parameter Comparison

Parameter PSK-S20C-9 PSK-20D-9
Manufacturer Part Number PSK-S20C-9 PSK-20D-9
Manufacturer CUI Inc. CUI Inc.
Description AC/DC CONVERTER 9V 20W AC/DC CONVERTER 9V 20W
Output Voltage 9V 9V
Output Current (Max) 2.2A 2.2A
Power Output (Watts) 20W 20W
Number of Outputs 1 1
Input Voltage Range (AC) 85 ~ 264 VAC 85 ~ 305 VAC
Input Voltage Range (DC) 100 ~ 370 VDC 100 ~ 430 VDC
Mounting Type Through Hole Through Hole
Package / Case 4-DIP Module 6-DIP Module, 4 Leads
Size / Dimension 2.12" L x 1.13" W x 0.93" H 2.06" L x 1.07" W x 0.94" H
Operating Temperature -40°C ~ 70°C (With Derating) -40°C ~ 85°C (With Derating)
Efficiency 79% 85%
RoHS Status RoHS Compliant ROHS3 Compliant
Product Status Obsolete Active
Approval Agency / Standards CB Scheme, EN, IEC, UL; 55024; 55032 Class A; 60950-1; 61000-3-2; 62368-1 CE, cURus; 60335-1; 60601-1; 62368-1
Line Regulation ±0.5% ±0.5%
Load Regulation ±1% ±1%

Engineering Selection Recommendations

Select substitute AC/DC converter models that meet or exceed the RoHS compliance and provide active product status for assured ongoing availability. Certification standards and approval agency listings must be matched to the target application requirements as specified in the comparison table.

Frequently Asked Questions (FAQ)

Q1: What are the critical criteria for substituting PSK-S20C-9?
Substitute parts must match output voltage (9V), maximum output current (2.2A), output power (20W), input voltage ranges, number of outputs, mounting type, package dimensions, regulation specifications, compliance status, and applicable approvals.

Q2: Does package or mounting change affect substitute selection?
Substitute units must use the same through hole mounting style. Differences in package/case dimensions and lead configurations require mechanical compatibility checks within the system enclosure or PCB footprint.

Q3: How do certification approvals impact substitution?
Substitute models must carry certifications matching the end-use requirements, such as CE, UL, IEC, or other applicable standards as listed in the part comparison table.

Q4: Is RoHS compliance mandatory for substitutes?
All listed substitute parts conform to the supplied RoHS compliance requirements as stated in product data.

Q5: Can substitute parts operate under the same environmental conditions?
Operating temperature ranges, efficiency, and derating characteristics are detailed in the comparison table; select substitutes that align with specific use-case conditions.

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