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DST-3-10
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Product Detailed Parameters
- Description：PWR XFMR LAMINATED 2.4VA TH
- Series：DST
- Mfr：Signal Transformer
- Package：Bulk
- Type：Laminated Core
- Voltage - Primary：115V, 230V
- Voltage - Secondary (Full Load)：Parallel 5V, Series 10V
- Current - Output (Max)：Parallel 500mA, Series 250mA
- Primary Winding(s)：Dual
- Secondary Winding(s)：Dual
- Center Tap：No
- Power - Max：2.4VA
- Mounting Type：Through Hole
- Termination Style：PC Pin
- Size / Dimension：34.90mm L x 28.60mm W
- Height - Seated (Max)：30.80mm
- Voltage - Isolation：2500Vrms
- Weight：0.25 lb (113.4 g)
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Overview
The Signal Transformer DST-3-10 is a laminated core power transformer designed for through-hole mounting. It features dual primary windings rated for 115V and 230V operation in parallel configuration. The secondary side provides dual outputs with a center-tapped arrangement, delivering 10V series or 5V parallel configurations. Maximum current ratings are 250mA for the series connection and 500mA for the parallel connection. The unit has a power rating of 2.4VA and operates at 50/60Hz frequencies.
Feature Summary
- Dual primary winding design supports flexible input voltage selection between 115V and 230V AC.
- Center-tapped secondary windings enable versatile output configurations for series or parallel connections.
- Laminated core construction ensures efficient magnetic coupling and stable performance.
Applications
- Low-power AC to DC power supply circuits
- Industrial control system power modules
- Consumer electronics requiring isolated low-voltage AC sources
Procurement Notes
Verify that the specific order matches the manufacturer part number DST-3-10 from Signal Transformer. Confirm compliance with RoHS3 standards if environmental regulations apply. Ensure the receiving facility accepts the standard lead time associated with this component type. Cross-reference datasheet specifications against circuit requirements before finalizing procurement.
Selection Notes
Select this component when a 2.4VA isolation transformer is required for 50/60Hz applications. The dual secondary configuration allows designers to choose between 5V parallel or 10V series outputs based on load current needs. Verify that the physical dimensions fit the PCB layout constraints for through-hole assembly.
Part Context
This component belongs to the DST series of split-tran transformers manufactured by Bel Signal Transformer. These units are Class 2 transformers designed for printed circuit board mounting. The series offers various power ratings and voltage combinations to support diverse electronic design requirements.
Replacement Considerations
Consult official distributor databases for direct cross-references. No public substitute part numbers are confirmed in the provided documentation.
