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Power Supply Module

Assembly

24 VDC regulated switching supply with rechargeable battery backup, powered from 120 VAC mains. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Power Supply Module parts and their functions

5 top-level parts · 5 parts in total · full bill of materials below
Power Supply Module parts diagram: 1 step-down transformer, 2 rectifier bridge assembly, 3 linear voltage regulator IC, 4 backup battery, 5 battery charger IC. 5 parts in 5 top-level items.
Power Supply Module parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Step-Down Transformer 1× 120 VAC to 28 VAC step-down transformer
2 Rectifier Bridge Assembly 1× 4-diode bridge rectifier and filter capacitor
3 Linear Voltage Regulator IC 1× LDO regulator chip maintaining 24.0 ± 0.5 VDC
4 Backup Battery 1× Sealed lead-acid 12 Ah battery for 24-hour hold-up
5 Battery Charger IC 1× Trickle charger IC keeping battery float-charged

3D model

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Build & assembly graph

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Bill of materials for Power Supply Module

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 Step-Down Transformer automatic-tank-gauge-transformer 1× 1 · part
2 Rectifier Bridge Assembly automatic-tank-gauge-rectifier-bridge 1× 1 · part
3 Linear Voltage Regulator IC automatic-tank-gauge-linear-regulator 1× 1 · part
4 Backup Battery automatic-tank-gauge-battery 1× 1 · part
5 Battery Charger IC automatic-tank-gauge-charger 1× 1 · part

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Where the power supply module 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