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Inverter Power Source

Assembly

The switch-mode inverter that converts mains power into a stable, controllable welding current. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Inverter Power Source parts and their functions

8 top-level parts · 357 parts in total · full bill of materials below
Inverter Power Source parts diagram: 1 input rectifier, 2 PFC stage, 3 IGBT inverter bridge, 4 HF main transformer, 5 output rectifier, 6 output inductor, 7 DSP control board, 8 heat sink. 357 parts in 8 top-level items.
Inverter Power Source parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Input Rectifier 3 parts 1× Input rectifier
2 PFC Stage 5 parts 1× Power-factor stage
3 IGBT Inverter Bridge 3 parts 1× IGBT inverter bridge
4 HF Main Transformer 1× HF main transformer
5 Output Rectifier 2 parts 1× Output rectifier
6 Output Inductor 1× Smoothing inductor
7 DSP Control Board 4 parts 1× DSP control board
8 Heat Sink 2× Power-stage heat sinks

3D model

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Build & assembly graph

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Bill of materials for Inverter Power Source

8 top-level lines · 28 rows shown · 357 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Input Rectifier 3 parts tig-welding-machine-industrial-input-rectifier 1× 1 9 assembly
1.1 Rectifier Diode tig-welding-machine-industrial-bridge-diode 6× 6 · part
1.2 Heat Sink heat-sink 1× 1 · part
1.3 DC-Link Capacitor dc-link-cap 2× 2 · part
2 PFC Stage 5 parts tig-welding-machine-industrial-pfc-stage 1× 1 65 assembly
2.1 Bare PCB pcb-bare 1× 1 · part
2.2 Power Inductor power-inductor 1× 1 · part
2.3 Power MOSFET mosfet 2× 2 · part
2.4 Gate Driver IC gate-driver-ic 1× 1 · part
2.5 SMD Passive (R/C/L) smd-passives 60× 60 · part
3 IGBT Inverter Bridge 3 parts tig-welding-machine-industrial-inverter-bridge 1× 1 90 assembly
3.1 IGBT Power Module igbt-module 4× 4 · part
3.2 Gate Drive Board 3 parts tig-welding-machine-industrial-gate-board 1× 1 85 assembly
3.2.1 Bare PCB pcb-bare 1× 1 · part
3.2.2 Gate Driver IC gate-driver-ic 4× 4 · part
3.2.3 SMD Passive (R/C/L) smd-passives 80× 80 · part
3.3 Heat Sink heat-sink 1× 1 · part
4 HF Main Transformer tig-welding-machine-industrial-main-transformer 1× 1 · part
5 Output Rectifier 2 parts tig-welding-machine-industrial-output-rectifier 1× 1 5 assembly
5.1 Fast Recovery Diode tig-welding-machine-industrial-fast-diode 4× 4 · part
5.2 Heat Sink heat-sink 1× 1 · part
6 Output Inductor tig-welding-machine-industrial-output-inductor 1× 1 · part
7 DSP Control Board 4 parts tig-welding-machine-industrial-dsp-board 1× 1 184 assembly
7.1 Bare PCB pcb-bare 1× 1 · part
7.2 Microcontroller mcu 1× 1 · part
7.3 Current Sensor current-sensor 2× 2 · part
7.4 SMD Passive (R/C/L) smd-passives 180× 180 · part
8 Heat Sink heat-sink 2× 2 · part

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Where the inverter power source 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 $1–$200. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳JLCPCB
jlcpcb.com ↗
Shenzhen, CN PCB fabrication 100 pcs 2–4 wks
🇨🇳PCBWay
pcbway.com ↗
Shenzhen, CN PCB fab & assembly 100 pcs 2–4 wks
scc.com.cn ↗ Shenzhen, CN PCB manufacturer 100 pcs 2–4 wks
shogini.com ↗ Mumbai, IN PCB manufacturer 100 pcs 2–4 wks
🇸🇬Venture Corp
venture.com.sg ↗
Singapore Electronics contract mfg 100 pcs 2–4 wks