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DC Link

Assembly

Electrolytic capacitor bank that decouples rectifier and inverter and holds the ±400 V split DC bus. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

DC Link parts and their functions

4 top-level parts · 21 parts in total · full bill of materials below
DC Link parts diagram: 1 DC bus capacitor, 2 balancing resistor, 3 DC fuse, 4 laminated busbar. 21 parts in 4 top-level items.
DC Link parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 DC Bus Capacitor 12× Series-parallel bank
2 Balancing Resistor 6× Bleed resistor that equalizes voltage across series capacitor pairs and discharges the bus at shutdown.
3 DC Fuse 2× Fast-acting semiconductor fuse protecting the DC bus against bridge faults.
4 Laminated Busbar 1× Low-inductance copper sandwich connecting capacitors to the IGBT bridges.

3D model

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Build & assembly graph

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Bill of materials for DC Link

4 top-level lines · 4 rows shown · 21 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 DC Bus Capacitor industrial-ups-dc-bus-capacitor 12× 12 · part
2 Balancing Resistor industrial-ups-balancing-resistor 6× 6 · part
3 DC Fuse industrial-ups-dc-fuse 2× 2 · part
4 Laminated Busbar industrial-ups-laminated-busbar 1× 1 · part

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Where the DC link is used

2 products across 2 domains 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