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

Power Subsystem

Assembly

A radioisotope generator that supplies steady power day and night, buffered by a battery and routed by the power control electronics. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Power Subsystem parts and their functions

3 top-level parts · 218 parts in total · full bill of materials below
Power Subsystem parts diagram: 1 radioisotope generator (MMRTG), 2 li-ion battery, 3 power control unit. 218 parts in 3 top-level items.
Power Subsystem parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Radioisotope Generator (MMRTG) 3 parts 1× MMRTG
2 Li-ion Battery 3 parts 2× redundant Li-ion
3 Power Control Unit 4 parts 1× power control unit

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 Power Subsystem

3 top-level lines · 13 rows shown · 218 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Radioisotope Generator (MMRTG) 3 parts mars-rover-rtg 1× 1 10 assembly
1.1 GPHS Fuel Module mars-rover-rtg-fuel-module 8× 8 · part
1.2 Thermocouple Bank mars-rover-thermocouple-bank 1× 1 · part
1.3 RTG Housing mars-rover-rtg-housing 1× 1 · part
2 Li-ion Battery 3 parts mars-rover-battery 2× 2 39 assembly
2.1 Li-ion Cell mars-rover-battery-cell 8× 16 · part
2.2 Bare PCB pcb-bare 1× 2 · part
2.3 SMD Passive (R/C/L) smd-passives 30× 60 · part
3 Power Control Unit 4 parts mars-rover-pcu 1× 1 130 assembly
3.1 Bare PCB pcb-bare 1× 1 · part
3.2 Microcontroller mcu 1× 1 · part
3.3 SMD Passive (R/C/L) smd-passives 120× 120 · part
3.4 Connector connector 8× 8 · part

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

Where the power subsystem 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