Power Transformer

Assembly

No photo yet. Seen one of these? Suggest a photo.

Step-down transformer with multiple secondary windings rated 500–3000 VA, providing AC voltage taps for ±5V, ±12V, ±15V, or 0–50V outputs.

Direct parts	4
Total parts	10
Used in	1 assembly
Class	Assembly

Report a problem with this BOM

Step-down transformer with multiple secondary windings rated 500–3000 VA, providing AC voltage taps for ±5V, ±12V, ±15V, or 0–50V outputs. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Power Transformer parts and their functions

4 top-level parts · 10 parts in total · full bill of materials below

Power Transformer parts diagram: 1 transformer core, 2 copper winding, 3 primary winding lead, 4 secondary winding lead. 10 parts in 4 top-level items. — Power Transformer parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Transformer Core	1×	Silicon steel laminated core (M19 grade, 0.35 mm thick laminations)
2	Copper Winding	3×	Primary winding (120/240 V tap) and secondary windings (dual-center-tap configuration for ±outputs)
3	Primary Winding Lead	2×	Heavy-gauge wire (12–14 AWG) with mains connector termination
4	Secondary Winding Lead	4×	Secondary wire (10–12 AWG) connecting to rectifier bridge

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour

product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Power Transformer

4 top-level lines · 4 rows shown · 10 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Transformer Core	bench-power-supply-core	1×	1	·	part
2	Copper Winding	copper-winding	3×	3	·	part
3	Primary Winding Lead	bench-power-supply-primary-lead	2×	2	·	part
4	Secondary Winding Lead	bench-power-supply-secondary-lead	4×	4	·	part

Something wrong in this list? Report a problem with this BOM.

Where the power transformer is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Power & Hand Tools 1 Bench Power Supply

Used in 1 assembly

Bench Power Supply

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Foxconn foxconn.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Flex (Singapore) flex.com ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks
🇮🇳Dixon Technologies dixoninfo.com ↗	Noida, IN	Electronics contract mfg	1,000 pcs	6–10 wks
🇨🇳BYD Electronics bydelectronic.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Venture Corp venture.com.sg ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks