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PKB5111WPIHS Equivalent & Substitute Parts Reference
Part Overview
The Flex Power Modules PKB5111WPIHS is an isolated DC-DC converter module in the Eighth Brick package, providing a 5V output at up to 20A from an input range of 18V to 75V, with a maximum power output of 100W. It is designed for ITE (Commercial) applications with features including adjustable output, baseplate, remote on/off, and remote sense. This product is listed as obsolete, making it necessary to identify substitute models with strictly compatible electrical, mechanical, and regulatory characteristics.
Substiute Parts
Key Parameters
| Parameter | PKB5111WPIHS Value |
|---|---|
| Type | Isolated Module |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 18V |
| Voltage - Input (Max) | 75V |
| Voltage - Output 1 | 5V |
| Current - Output (Max) | 20A |
| Power (Watts) | 100W |
| Voltage - Isolation | 2.25kV |
| Applications | ITE (Commercial) |
| Features | Adjustable Output, Baseplate, Remote On/Off, Remote Sense |
| Operating Temperature | -40°C ~ 110°C (With Derating) |
| Efficiency | 92% |
| Mounting Type | Through Hole |
| Package / Case | Eighth Brick |
| Size / Dimension | 2.30" L x 0.90" W x 0.50" H (58.4mm x 22.9mm x 12.7mm) |
| Supplier Device Package | Eighth Brick |
| Control Features | Enable, Active Low |
| Approval Agency | CB, CSA, IEC, TUV, UL |
| Standard Number | 62368-1 |
| RoHS Status | ROHS3 Compliant |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution is based strictly on matching the following key parameters: type (isolated module), number of outputs, voltage output, input voltage range, power rating, current output, mounting type, mechanical package (Eighth Brick), and the presence of essential features (adjustable output, remote on/off, remote sense). Compliance with relevant safety and environmental standards is also required for substitution within the same product category.
Key parameters for grouping:
- Electrical: Type, output voltage(s), input voltage range, output current, power rating, isolation voltage, efficiency
- Mechanical: Mounting type, package/case, dimensions
- Regulatory: Certifications, RoHS/REACH status
Parameter Comparison
| Parameter | PKB5111WPIHS | PKB4111CPI | PKB4111DPIHS |
|---|---|---|---|
| Type | Isolated Module | Isolated Module | Isolated Module |
| Number of Outputs | 1 | 1 | 1 |
| Voltage - Input (Min) | 18V | 36V | 36V |
| Voltage - Input (Max) | 75V | 75V | 75V |
| Voltage - Output 1 | 5V | 5V | 3.3V |
| Current - Output (Max) | 20A | 28A | 40A |
| Power (Watts) | 100W | 140W | 132W |
| Voltage - Isolation | 2.25kV | 1.5kV | 1.5kV |
| Applications | ITE (Commercial) | ITE (Commercial) | ITE (Commercial) |
| Features | Adjustable Output, Baseplate, Remote On/Off, Remote Sense | Adjustable Output, Remote On/Off, Remote Sense | Adjustable Output, Baseplate, Heat Sink, Remote On/Off, Remote Sense |
| Operating Temperature | -40°C ~ 110°C (With Derating) | -40°C ~ 125°C (With Derating) | -40°C ~ 125°C (With Derating) |
| Efficiency | 92% | 92% | 91% |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Package / Case | Eighth Brick | Eighth Brick | Eighth Brick |
| Size / Dimension | 2.30" L x 0.90" W x 0.50" H | 2.30" L x 0.89" W x 0.34" H | 2.30" L x 0.89" W x 0.52" H |
| Supplier Device Package | Eighth Brick | Eighth Brick | Eighth Brick |
| Control Features | Enable, Active Low | Enable, Active Low | - |
| Approval Agency | CB, CSA, IEC, TUV, UL | CB, CSA, IEC, TUV, UL | cURus, IEC, UL |
| Standard Number | 62368-1 | 62368-1 | 62368-1 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The PKB5111WPIHS is listed as obsolete, necessitating a substitute with matching or compatible RoHS3 and REACH statuses and appropriate agency certifications (CB, CSA, IEC, TUV, UL, cURus). Substitute models PKB4111CPI and PKB4111DPIHS are both RoHS3 compliant, REACH unaffected, and compliant with IEC 62368-1, providing the regulatory compliance required for safe integration within ITE (Commercial) applications.
Frequently Asked Questions (FAQ)
Q1: What are the most critical parameters for selecting a substitute for the PKB5111WPIHS DC-DC converter?
A1: Critical parameters include module type (isolated), output voltage, input voltage range, output current, total power, mechanical package (Eighth Brick), mounting method, and compliance with safety and environmental standards.
Q2: Are the listed substitute parts footprint-compatible with PKB5111WPIHS?
A2: All substitute parts use the Eighth Brick form factor and through-hole mounting, with dimensions closely matching the original part.
Q3: Do the substitute parts offer adjustable output, remote on/off, and remote sense functions?
A3: All listed substitutes provide adjustable output, remote on/off, and remote sense either directly or as documented features.
Q4: How does isolation voltage differ between PKB5111WPIHS and its substitutes?
A4: PKB5111WPIHS features a 2.25kV isolation rating, while substitutes provide 1.5kV.
Q5: Are the substitute parts compliant with key regulatory and environmental standards?
A5: All substitute parts are RoHS3 compliant, REACH unaffected, and certified to IEC 62368-1, with third-party agency recognition as indicated.
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