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ST-4-28 The Signal Transformer ST-4-28 is a laminated core power transformer with a 6VA rating. It features a 115V primary and dual secondary windings providing 14V or 28V.
Mfr Part #:

ST-4-28

Available from 1 distributors
Mfr Name: Signal Transformer
Signal Transformer
The Signal Transformer ST-4-28 is a laminated core power transformer with a 6VA rating. It features a 115V primary and dual secondary windings providing 14V or 28V.
✓ Total Stock: 5 pcs
$ Price Range: $3.00

ST-4-28 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Hybrid Electronics ✓
Non-Authorised Inventory information
5 pcs
On Request
5 pcs On Request 1 On Request On Request 2007 On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

ST-4-28 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Center Tap
Current
Height
Lead Spacing
Mounting Type
Power
Primary Winding(s)
Secondary Winding(s)
Storage Temperature
Tape & Reel
Termination Style
Type
Voltage
Weight
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ST-4-28 Description

Short technical summary and product information.

This Signal Transformer ST-4-28 is a laminated core power transformer designed for various electrical applications. It offers a power rating of 6VA, with a primary winding of 115V.

 

The secondary windings provide dual outputs, capable of delivering 14V in parallel configuration or 28V in series configuration. The maximum output current is 400mA in parallel and 200mA in series. The transformer is designed for through-hole mounting and utilizes PC pin termination style.

 

Key electrical specifications include an isolation voltage of 2500Vrms. The physical dimensions are 41.30mm in length and 33.30mm in width, with a seated height of 33.30mm. The weight of the unit is approximately 0.44 lb (199.58 g).

 

This component is suitable for applications requiring reliable power conversion with specific voltage outputs. Its construction and mounting type facilitate integration into various electronic assemblies.

ST-4-28 Quick Information

Product Type: Power Transformer
Series: ST
Canonical Name: Signal Transformer ST-4-28 Laminated Core Power Transformer
Subcategory: Laminated Core

ST-4-28 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ST-4-28 Estimated Pricing

Qty Low High
1+ $3.00 $3.00

Estimated market price range - modelled values for guidance only, not live distributor offers.

ST-4-28 Features

  • 6VA laminated core power transformer.
  • 115V primary winding.
  • Dual secondary windings (14V/28V).
  • Through hole mounting with PC pin termination.
  • 2500Vrms isolation voltage.

ST-4-28 Applications

  • Suitable for power supply circuits.
  • Used in general electronics applications.
  • Provides specific voltage step-down.
  • Integration into PCB assemblies.

ST-4-28 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the power rating of the ST-4-28 transformer?

The power rating is 6VA.

What are the primary and secondary voltage ratings?

The primary voltage is 115V, and the secondary voltages are 14V in parallel or 28V in series.

What is the maximum output current for the ST-4-28 transformer?

The maximum output current is 400mA in parallel and 200mA in series.

How is the ST-4-28 transformer mounted?

It is mounted using the through-hole method.

What is the isolation voltage of this transformer?

The isolation voltage is 2500Vrms.

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