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BV302D18012
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Product Detailed Parameters
- Description：230V INPUT 1.2VA PWR XFMR
- Series：EI 30-10.5
- Mfr：Zettler Magnetics
- Package：Tube
- Type：-
- Voltage - Primary：230V
- Voltage - Secondary (Full Load)：18V
- Current - Output (Max)：33mA
- Primary Winding(s)：Single
- Secondary Winding(s)：Dual
- Center Tap：No
- Power - Max：1.2VA
- Mounting Type：Through Hole
- Termination Style：PC Pin
- Size / Dimension：32.80mm L x 27.80mm W
- Height - Seated (Max)：22.30mm
- Voltage - Isolation：4200Vrms
- Weight：-
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Overview
The BV302D18012 is a laminated power transformer from the Zettler Magnetics BV series, designed for through-hole mounting. It features a 230V primary input and provides an 18V secondary output with a current rating of 33mA. The unit has a power rating of 1.2VA and utilizes an EI30 lamination size with a height of 10.5mm. The encapsulated case dimensions are 32.8x27.8mm with a maximum height of 22.3mm. It operates at 50/60 Hz frequencies.
Feature Summary
- Fully encapsulated under vacuum pressure for compact efficiency
- Laminated core construction using EI30 lamination size
- Through-hole mounting design for PCB integration
Applications
- Linear power supply circuits
- General purpose AC to DC conversion stages
- Electronic equipment requiring isolated low voltage AC
Procurement Notes
Verify the specific ordering suffix against official Zettler Magnetics documentation to ensure correct electrical characteristics. Confirm that the BV302D18012 designation matches the required 1.2VA rating and 230V primary specification before procurement. Cross-reference datasheet details for thermal and mechanical constraints.
Selection Notes
Select this component when a compact, encapsulated transformer is needed for linear power applications. The EI30 core size offers a balance between physical footprint and 1.2VA power handling. Ensure the PCB layout accommodates the specified case dimensions and through-hole pin configuration for proper installation.
Part Context
This part belongs to the BV series of encapsulated power transformers from Zettler Magnetics. The series is characterized by vacuum-pressure encapsulation techniques aimed at reducing size while maintaining efficiency. These transformers are distinct from open-frame designs due to their protective coating and standardized through-hole form factors.
Replacement Considerations
Direct substitutes must match the 1.2VA rating, 230V primary, and 18V secondary specifications. Verify that alternative components maintain the same EI30 core geometry and through-hole pinout to ensure compatibility with existing PCB footprints without redesign.
