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BV042-5213.0
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Product Detailed Parameters
- Description：PWR XFMR LAMINATED 5VA TH
- Series：-
- Mfr：Pulse Electronics
- Package：-
- Type：Laminated Core
- Voltage - Primary：230V
- Voltage - Secondary (Full Load)：Parallel 9V, Series 18V
- Current - Output (Max)：Parallel 556mA, Series 278mA
- Primary Winding(s)：Single
- Secondary Winding(s)：Dual
- Center Tap：No
- Power - Max：5VA
- Mounting Type：Through Hole
- Termination Style：PC Pin
- Size / Dimension：45.50mm L x 38.50mm W
- Height - Seated (Max)：32.00mm
- Voltage - Isolation：-
- Weight：0.133 lb (60.33 g)
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Overview
The BV042-5213.0 is a laminated core power transformer manufactured by Pulse Electronics, designed for through-hole mounting. It features a single primary winding rated at 230V and a secondary configuration supporting parallel 9V or series 18V outputs. The maximum output current is 556mA in parallel mode and 278mA in series mode. With a maximum power rating of 5VA, this component utilizes PC pin termination and measures 45.50mm in length and 38.50mm in width, with a maximum installation height of 32.00mm.
Feature Summary
- Laminated EI core construction for efficient magnetic flux transfer
- Dual secondary voltage options via parallel or series connection
- Through-hole mounting for robust mechanical stability
Applications
- General purpose AC to DC power supply units
- Industrial control system power modules
- Consumer electronics internal power adapters
Procurement Notes
Verify the specific secondary configuration required for the design, as the part supports both parallel and series secondary connections. Confirm that the 230V primary rating aligns with the target mains input voltage. Ensure the PCB footprint accommodates the specified terminal spacing and physical dimensions. Check for any updated regulatory compliance documentation if operating in restricted regions.
Selection Notes
Select this transformer when a 5VA isolation barrier is required between the primary mains side and secondary low-voltage circuitry. The choice depends on the need for flexible secondary voltage delivery (9V or 18V) without requiring multiple distinct part numbers. Consider the through-hole form factor if surface area is limited but board thickness allows for vertical component placement.
Part Context
This component belongs to the BV042 series of power transformers from Pulse Electronics. The series typically focuses on general-purpose laminated core designs suitable for various AC/DC conversion applications. The BV042-5213.0 specifically addresses needs for moderate power isolation with configurable secondary outputs.
Replacement Considerations
Direct substitutes must match the 5VA power rating, 230V primary, and compatible secondary voltage/current characteristics. Verify that alternative parts maintain the same physical envelope and pinout to ensure compatibility with existing tooling and PCB layouts.
