Flex Power Modules18-SMD ModuleRoHS
PKR4128BSI
DC DC CONVERTER 3.3V 5V 12W
Category
Subcategory
Dc Dc Converters
Package
18-SMD Module
Series
PKR 4000B
Status
Obsolete
$30.96 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Flex Power Modules |
| Model | PKR4128BSI |
| Package / Case | 18-SMD Module |
| Mounting Type | Surface Mount |
| Operating Temperature | -45°C ~ 110°C (With Derating) |
| Voltage - Input (Min) | 36V |
| Voltage - Input (Max) | 75V |
| Number of Outputs | 2 |
| Efficiency | 88.8% |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
PKR4128BSI by Flex Power Modules is a power conversion IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 75V, output adjustable. The 18-SMD Module package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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All Technical Specifications
| Type | Isolated Module |
| Features | Adjustable Output, Remote On/Off |
| Efficiency | 88.8% |
| Applications | ITE (Commercial) |
| Power (Watts) | 12 W |
| Approval Agency | CB, CSA, IEC, TUV, UL |
| Standard Number | 62368-1 |
| Control Features | Enable, Active Low |
| Size / Dimension | 1.88" L x 1.11" W x 0.31" H (47.8mm x 28.1mm x 8.0mm) |
| Number of Outputs | 2 |
| Voltage - Output 1 | 3.3V |
| Voltage - Output 2 | 5V |
| Voltage - Isolation | 1.5 kV |
| Voltage - Input (Max) | 75V |
| Voltage - Input (Min) | 36V |
| Current - Output (Max) | 1.5A, 1.4A |
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