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Discussion History

Lambda Controller

Assembly

Closed-loop air-fuel ratio controller maintaining lean lambda for low NOx. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Lambda Controller parts and their functions

5 top-level parts · 7 parts in total · full bill of materials below
Lambda Controller parts diagram: 1 lambda sensor, 2 bare PCB, 3 microcontroller, 4 SMD passive (R/C/L), 5 connector. 7 parts in 5 top-level items.
Lambda Controller parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Lambda Sensor 2× Wideband oxygen (lambda) sensor in exhaust
2 Bare PCB 1× Controller circuit board
3 Microcontroller 1× Air-fuel ratio control microcontroller
4 SMD Passive (R/C/L) 1× Passive component set
5 Connector 2× Sealed signal connectors

3D model

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Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
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Bill of materials for Lambda Controller

5 top-level lines · 5 rows shown · 7 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Lambda Sensor gas-engine-genset-lambda-sensor 2× 2 · part
2 Bare PCB pcb-bare 1× 1 · part
3 Microcontroller mcu 1× 1 · part
4 SMD Passive (R/C/L) smd-passives 1× 1 · part
5 Connector connector 2× 2 · part

Where the lambda controller is used

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

Used in 1 assembly

Gas Fuel System

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
🇨🇳Shennan Circuits
scc.com.cn ↗ 		Shenzhen, CN PCB manufacturer 100 pcs 2–4 wks
🇮🇳Shogini Technoarts
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