BOMwiki the bill-of-materials encyclopedia
30,454,201 parts mapped · 193,225 items
Discussion History

Pilot Arc and HF Starter

Assembly

The high-frequency unit and pilot supply that ionize the gas and hold a non-transferred pilot arc between electrode and nozzle. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Pilot Arc and HF Starter parts and their functions

6 top-level parts · 91 parts in total · full bill of materials below
Pilot Arc and HF Starter parts diagram: 1 HF spark unit, 2 pilot arc supply, 3 pilot ballast resistor, 4 HF coupling transformer, 5 spark gap, 6 relay. 91 parts in 6 top-level items.
Pilot Arc and HF Starter parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 HF Spark Unit 4 parts 1× High-frequency spark unit
2 Pilot Arc Supply 4 parts 1× Pilot arc current supply
3 Pilot Ballast Resistor 1× Pilot ballast resistor
4 HF Coupling Transformer 1× HF coupling transformer
5 Spark Gap 1× Spark gap
6 Relay 2× Arc transfer contactors

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 Pilot Arc and HF Starter

6 top-level lines · 14 rows shown · 91 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 HF Spark Unit 4 parts plasma-arc-welding-machine-hf-unit 1× 1 33 assembly
1.1 Spark Gap plasma-arc-welding-machine-spark-gap 1× 1 · part
1.2 HF Coupling Transformer plasma-arc-welding-machine-hf-coupling 1× 1 · part
1.3 Bare PCB pcb-bare 1× 1 · part
1.4 SMD Passive (R/C/L) smd-passives 30× 30 · part
2 Pilot Arc Supply 4 parts plasma-arc-welding-machine-pilot-supply 1× 1 53 assembly
2.1 Bare PCB pcb-bare 1× 1 · part
2.2 Microcontroller mcu 1× 1 · part
2.3 Relay relay 1× 1 · part
2.4 SMD Passive (R/C/L) smd-passives 50× 50 · part
3 Pilot Ballast Resistor plasma-arc-welding-machine-pilot-resistor 1× 1 · part
4 HF Coupling Transformer plasma-arc-welding-machine-hf-coupling 1× 1 · part
5 Spark Gap plasma-arc-welding-machine-spark-gap 1× 1 · part
6 Relay relay 2× 2 · part

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

Where the pilot arc and HF starter is used

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

Used in 1 assembly

Plasma Arc Welding Machine

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 (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