186B28 is out of stock and can be placed on backorder.
Available Substitutes:

Direct


Signal Transformer
In Stock: 0
Unit Price: $12.28520
Datasheet

Similar


Signal Transformer
In Stock: 0
Unit Price: $15.64980
Datasheet
Laminated Core 5.6VA Power Transformer 115V, 230V Primary 28V Secondary 200mA Chassis Mount
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Laminated Core 5.6VA Power Transformer 115V, 230V Primary 28V Secondary 200mA Chassis Mount
What are Transformers? How Do They Work? - Another Teaching Moment

186B28

DigiKey Part Number
HM4677-ND
Manufacturer
Manufacturer Product Number
186B28
Description
PWR XFMR LAMINATED 5.6VA CHAS MT
Manufacturer Standard Lead Time
12 Weeks
Customer Reference
Detailed Description
Laminated Core 5.6VA Power Transformer 115V, 230V Primary 28V Secondary 200mA Chassis Mount
Datasheet
 Datasheet
Product Attributes
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Category
Secondary Winding(s)
Single
Manufacturer
Hammond Manufacturing
Center Tap
Yes
Series
Power - Max
5.6VA
Packaging
Box
Mounting Type
Chassis Mount
Part Status
Active
Termination Style
Solder, Quick Connect
Type
Laminated Core
Size / Dimension
60.20mm L x 41.28mm W
Voltage - Primary
115V, 230V
Height - Seated (Max)
34.80mm
Voltage - Secondary (Full Load)
28V
Voltage - Isolation
2000Vrms
Current - Output (Max)
200mA
Weight
0.45 lb (204.12 g)
Primary Winding(s)
Dual
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (2)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
241-3-28Signal Transformer0241-3-28-ND$12.28520Direct
DP-241-4-28Signal Transformer0DP-241-4-28-ND$15.64980Similar
Available To Order
Factory Stock: 23
1 estimated in stock on 18-Dec-2026

This is stock that is available at the supplier which may be available to DigiKey upon receipt of order.

All prices are in USD
Box
QuantityUnit PriceExt Price
1$11.90000$11.90
10$10.73100$107.31
25$10.29200$257.30
50$9.97020$498.51
100$9.65710$965.71
250$9.25648$2,314.12
500$8.96326$4,481.63
1,000$8.67843$8,678.43