Circuit Board
AssemblyFlex/rigid board carrying the timekeeping IC, resonator, and trimmer. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Circuit Board parts and their functions
6 top-level parts · 18 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Bare PCB | 1× | Bare board (reuse) |
| 2 | Timekeeping IC | 1× | Oscillator + divider IC |
| 3 | Quartz Resonator | 1× | 32.768 kHz quartz resonator |
| 4 | Trimmer Capacitor | 1× | Tuning trimmer capacitor |
| 5 | Coil Block 2 parts | 1× | Stepper drive coil block |
| 6 | SMD Passive (R/C/L) | 12× | Resistors/caps (reuse) |
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Build & assembly graph
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Bill of materials for Circuit Board
6 top-level lines · 8 rows shown · 18 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 2 | Timekeeping IC | quartz-watch-ic | 1× | 1 | · | part |
| 3 | Quartz Resonator | quartz-watch-resonator | 1× | 1 | · | part |
| 4 | Trimmer Capacitor | quartz-watch-trimmer-cap | 1× | 1 | · | part |
| 5 | Coil Block 2 parts | quartz-watch-coil-block | 1× | 1 | 2 | assembly |
| 5.1 | Copper Coil | quartz-watch-copper-coil | 1× | 1 | · | part |
| 5.2 | Coil Core | quartz-watch-coil-core | 1× | 1 | · | part |
| 6 | SMD Passive (R/C/L) | smd-passives | 12× | 12 | · | part |
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Where the circuit board is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed 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| Vendor | HQ | Specialty | MOQ | Lead 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.com.sg ↗ | Singapore | Electronics contract mfg | 100 pcs | 2–4 wks |