186C28 is out of stock and can be placed on backorder.
Available Substitutes:

Direct


Signal Transformer
In Stock: 18
Unit Price: $9.92000
Datasheet

Similar


Signal Transformer
In Stock: 0
Unit Price: $16.51670
Datasheet
Laminated Core 12VA Power Transformer 115V, 230V Primary 28V Secondary 420mA Chassis Mount
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Laminated Core 12VA Power Transformer 115V, 230V Primary 28V Secondary 420mA Chassis Mount
186C48
186C48
What are Transformers? How Do They Work? - Another Teaching Moment

186C28

DigiKey Part Number
HM4687-ND
Manufacturer
Manufacturer Part Number
186C28
Description
PWR XFMR LAMINATED 12VA CHAS MT
Manufacturer Standard Lead Time
12 Weeks
Customer Reference
Detailed Description
Laminated Core 12VA Power Transformer 115V, 230V Primary 28V Secondary 420mA Chassis Mount
Datasheet
 Datasheet
Product Attributes
Filter Similar Products
Category
Secondary Winding(s)
Single
Manufacturer
Hammond Manufacturing
Center Tap
Yes
Series
Power - Max
12VA
Packaging
Box
Mounting Type
Chassis Mount
Part Status
Active
Termination Style
Solder, Quick Connect
Type
Laminated Core
Size / Dimension
71.37mm L x 43.82mm W
Voltage - Primary
115V, 230V
Height - Seated (Max)
41.15mm
Voltage - Secondary (Full Load)
28V
Voltage - Isolation
2000Vrms
Current - Output (Max)
420mA
Weight
0.68 lb (308.44 g)
Primary Winding(s)
Dual
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (2)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
241-4-28Signal Transformer182266-241-4-28-595-ND$9.92000Direct
DP-241-5-28Signal Transformer0595-1094-ND$16.51670Similar
Available To Order
Factory Stock: 21
1 estimated in stock on 17-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$19.03000$19.03
10$14.49600$144.96
25$13.36320$334.08
50$12.91000$645.50
100$12.68360$1,268.36
250$12.23060$3,057.65
500$11.77760$5,888.80