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BV301S18028
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Product Detailed Parameters
- Description：2.8VA PWR XFMR 50/60HZ
- Series：EI 30-18
- Mfr：Zettler Magnetics
- Package：Tube
- Type：-
- Voltage - Primary：115V
- Voltage - Secondary (Full Load)：18V
- Current - Output (Max)：156mA
- Primary Winding(s)：Single
- Secondary Winding(s)：Single
- Center Tap：No
- Power - Max：2.8VA
- Mounting Type：Through Hole
- Termination Style：PC Pin
- Size / Dimension：32.80mm L x 27.80mm W
- Height - Seated (Max)：29.80mm
- Voltage - Isolation：4200Vrms
- Weight：-
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Overview
The BV301S18028 is a 2.8VA encapsulated power transformer from Zettler Magnetics, designed for through-hole mounting. It features a 115V primary input at 50/60Hz and provides an 18V secondary output with a maximum current of 156mA. The unit utilizes EI30 laminations and measures 32.8x27.8mm with a height of 29.8mm. Electrical specifications include a maximum temperature rise of 40°C (Class B insulation) and a maximum resistance of 30.9Ω.
Feature Summary
- Encapsulated construction for environmental protection
- Through-hole mounting configuration
- EI30 lamination core design
Applications
- LED lighting systems
- Electric metering devices
- Motor controls
- Thermostats
Procurement Notes
Verify the specific ordering suffix to ensure compatibility with required voltage ratings and insulation classes. Confirm that the encapsulation type matches the application's environmental requirements. Check datasheet details for thermal performance limits under actual load conditions. Ensure mechanical dimensions fit the target PCB layout constraints before finalizing procurement orders.
Selection Notes
Select this component when a compact, encapsulated transformer is needed for low-power applications requiring 115VAC input. The 2.8VA rating suits small control circuits. Consider the through-hole form factor for robust mechanical attachment. Evaluate the physical footprint against available board space. Verify frequency compatibility with the system's operating range.
Part Context
This part belongs to the BV Series of encapsulated power transformers by Zettler Magnetics. The series is engineered for reliability in consumer and industrial electronics. These components are widely used in appliances and energy management systems. The BV series offers a balance of size efficiency and electrical performance for standard power conversion tasks.
Replacement Considerations
The BV302S18028 is a related variant within the same series. Verify if the alternative model meets identical electrical and mechanical specifications. Cross-reference datasheets to confirm pinout and dimension compatibility. Ensure the substitute maintains the required insulation class and thermal characteristics.
