F28-420 is available for purchase but is not normally stocked.
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Hammond Manufacturing
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Unit Price: $17.28000
Datasheet

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Signal Transformer
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Unit Price: $21.32000
Datasheet
Laminated Core 12VA Power Transformer 115V Primary Parallel 14V, Series 28V Secondary Parallel 840mA, Series 420mA Through Hole
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Laminated Core 12VA Power Transformer 115V Primary Parallel 14V, Series 28V Secondary Parallel 840mA, Series 420mA Through Hole
What are Transformers? How Do They Work? - Another Teaching Moment

F28-420

DigiKey Part Number
237-1824-ND
Manufacturer
Manufacturer Product Number
F28-420
Description
PWR XFMR LAMINATED 12VA TH
cms-standard-lead-time
19 Weeks
Customer Reference
Detailed Description
Laminated Core 12VA Power Transformer 115V Primary Parallel 14V, Series 28V Secondary Parallel 840mA, Series 420mA Through Hole
Datasheet
 Datasheet
EDA/CAD Models
F28-420 Models
cms-product-attributes
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Category
Secondary Winding(s)
Dual
Manufacturer
Triad Magnetics
Center Tap
No
Series
Power - Max
12VA
Packaging
Box
Mounting Type
Through Hole
Part Status
Active
Termination Style
PC Pin
Type
Laminated Core
Size / Dimension
47.63mm L x 39.67mm W
Voltage - Primary
115V
Height - Seated (Max)
36.50mm
Voltage - Secondary (Full Load)
Parallel 14V, Series 28V
Voltage - Isolation
2500Vrms
Current - Output (Max)
Parallel 840mA, Series 420mA
Weight
0.7 lb (317.51 g)
Primary Winding(s)
Single
Environmental & Export Classifications
cms-product-q-and-a
Additional Resources
Substitutes (2)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
164G28Hammond Manufacturing0HM4323-ND$17.28000Similar
ST-5-28Signal Transformer113595-1185-ND$21.32000Similar
Available To Order
Factory Stock: 197
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This is stock that is available at the supplier which may be available to DigiKey upon receipt of order.

All prices are in CAD
Box
QuantityUnit PriceExt Price
1$18.35000$18.35
Manufacturers Standard Package