Current Sensors
AssemblyHall-effect or current transformer secondaries converting line current (0–200 A) into low-level voltage signals (0–3.3 V). A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Current Sensors parts and their functions
4 top-level parts · 4 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Toroidal Current Transformer | 1× | Toroidal current transformer (CT) per phase, 200:5 A ratio (40× step-down), 1 % accuracy |
| 2 | CT Burden Resistor | 1× | Precision 0.5 Ω burden resistor converting 5 A CT secondary to 2.5 V signal |
| 3 | Temperature Compensation | 1× | Thermistor or silicon bandgap temperature compensation, <0.1 % drift −10 to +60 °C |
| 4 | CT Saturation Detector | 1× | Circuitry detecting CT saturation (indicating fault current) and flagging metering IC for validation |
3D model
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Build & assembly graph
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Bill of materials for Current Sensors
4 top-level lines · 4 rows shown · 4 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Toroidal Current Transformer | smart-meter-ct-toroidal | 1× | 1 | · | part |
| 2 | CT Burden Resistor | smart-meter-ct-burden-resistor | 1× | 1 | · | part |
| 3 | Temperature Compensation | smart-meter-ct-temperature-comp | 1× | 1 | · | part |
| 4 | CT Saturation Detector | smart-meter-ct-saturation-detector | 1× | 1 | · | part |
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Where the current sensors 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–$80. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| sunnyoptical.com ↗ | Ningbo, CN | Optics & camera modules | 1,000 pcs | 8–12 wks |
|
🇨🇳OFILM
ofilm.com ↗
|
Shenzhen, CN | Camera modules | 1,000 pcs | 8–12 wks |
| vvdntech.com ↗ | Gurugram, IN | Electronics & camera modules | 1,000 pcs | 8–12 wks |
| truly.net ↗ | Shanwei, CN | Displays & camera modules | 1,000 pcs | 8–12 wks |
| aactechnologies.com ↗ | Singapore | Acoustics & optics | 1,000 pcs | 8–12 wks |