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DST-5-120
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Product Detailed Parameters
- Description：PWR XFMR LAMINATED 12VA TH
- Series：DST
- Mfr：Signal Transformer
- Package：Bulk
- Type：Laminated Core
- Voltage - Primary：115V, 230V
- Voltage - Secondary (Full Load)：Parallel 60V, Series 120V
- Current - Output (Max)：Parallel 200mA, Series 100mA
- Primary Winding(s)：Dual
- Secondary Winding(s)：Dual
- Center Tap：No
- Power - Max：12VA
- Mounting Type：Through Hole
- Termination Style：PC Pin
- Size / Dimension：47.80mm L x 39.60mm W
- Height - Seated (Max)：36.90mm
- Voltage - Isolation：2500Vrms
- Weight：0.7 lb (317.51 g)
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Overview
The DST-5-120 is a laminated power transformer from the Two-4-One series by Signal Transformer. It features dual primary windings rated for 115 VAC and 230 VAC operation at 50/60 Hz. The secondary configuration provides 120 VCT with a center tap, delivering a maximum power rating of 12 VA. This component utilizes through-hole solder pin termination for printed circuit board mounting.
Feature Summary
- Dual primary winding design enables flexible voltage selection between 115 VAC and 230 VAC inputs.
- Split bobbin construction supports Class 2 isolation requirements for enhanced safety.
- Laminated core architecture ensures stable performance at standard 50 Hz and 60 Hz frequencies.
Applications
- Servo amplifier power supplies
- Industrial control panel instrumentation
- General purpose AC to DC rectification circuits
Procurement Notes
Verify the specific datasheet revision when sourcing, as manufacturing relocation notices may affect production details. Confirm that the required lead time aligns with project schedules, noting that standard delivery periods can extend to approximately eighteen weeks. Ensure the ordering part number matches the exact electrical specifications needed for the target application.
Selection Notes
Select this model when a compact, board-mount solution is required for low-power applications needing 12 VA capacity. The dual primary winding allows compatibility with both 115 VAC and 230 VAC mains without rewiring. Verify that the physical dimensions and through-hole pin spacing fit the available PCB real estate and assembly constraints.
Part Context
This component belongs to the Two-4-One series, which offers multiple secondary configurations within a standardized footprint. The DST-5-120 specifically addresses needs for split-bobbin transformers requiring Class 2 isolation. It serves as a direct replacement for legacy designs using similar laminated cores in space-constrained industrial electronics.
Replacement Considerations
The 186D120 from Hammond Manufacturing is a confirmed chassis-mount alternative. For board-mount needs, verify cross-references carefully as pinouts and isolation ratings may differ significantly between manufacturers.
