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Power Supply Stage

Assembly

Accepts the standard 24 VAC irrigation transformer and derives regulated DC rails for the logic. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Power Supply Stage parts and their functions

5 top-level parts · 5 parts in total · full bill of materials below
Power Supply Stage parts diagram: 1 power supply, 2 bridge rectifier, 3 buck converter, 4 thermal fuse, 5 connector. 5 parts in 5 top-level items.
Power Supply Stage parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Power Supply 1× 24 VAC plug-in transformer, 750 mA
2 Bridge Rectifier 1× Bridge rectifier and bulk capacitor
3 Buck Converter 1× 3.3 V logic rail converter
4 Thermal Fuse 1× Transformer over-temperature protection
5 Connector 1× AC input terminals

3D model

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Build & assembly graph

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Bill of materials for Power Supply Stage

5 top-level lines · 5 rows shown · 5 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Power Supply power-supply 1× 1 · part
2 Bridge Rectifier irrigation-controller-rectifier 1× 1 · part
3 Buck Converter irrigation-controller-buck-converter 1× 1 · part
4 Thermal Fuse thermal-fuse 1× 1 · part
5 Connector connector 1× 1 · part

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Where the power supply stage is used

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

Used in 1 assembly

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
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗
Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
flex.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
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