Solar Inverter Product
Sourcing — likely vendors
Real suppliers (🇮🇳 🇸🇬 🇨🇳); price, MOQ & lead time are estimates| Vendor | HQ | Specialty | Est. unit price | MOQ | Lead time |
|---|---|---|---|---|---|
| 🇨🇳JLCPCB jlcpcb.com ↗ | Shenzhen, CN | PCB fabrication | $370 | 100 pcs | 2–4 wks |
| 🇨🇳PCBWay pcbway.com ↗ | Shenzhen, CN | PCB fab & assembly | $319 | 100 pcs | 2–4 wks |
| scc.com.cn ↗ | Shenzhen, CN | PCB manufacturer | $321 | 100 pcs | 2–4 wks |
| shogini.com ↗ | Mumbai, IN | PCB manufacturer | $381 | 100 pcs | 2–4 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | $407 | 100 pcs | 2–4 wks |
A transformerless three-phase string PV inverter: dual-MPPT DC input, boost stage, DC-link, IGBT inverter bridge, AC output filter and grid-tie controls in an IP65 enclosure. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
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Bill of materials
12 top-level lines · 81 rows shown · 270 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Enclosure Assembly 6 parts | solar-inverter-enclosure | 1× | 1 | 18 | assembly |
| 1.1 | Sheet Metal Panel | sheet-panel | 4× | 4 | — | part |
| 1.2 | Extruded Heatsink | solar-inverter-heatsink | 1× | 1 | — | part |
| 1.3 | Front Cover | solar-inverter-front-cover | 1× | 1 | — | part |
| 1.4 | IP65 Seal Set 3 parts | solar-inverter-ip65-seal-set | 1× | 1 | 9 | assembly |
| 1.4.1 | O-Ring Set | oring-set | 2× | 2 | — | part |
| 1.4.2 | Cable Gland | solar-inverter-cable-gland | 6× | 6 | — | part |
| 1.4.3 | Vent Membrane | solar-inverter-vent-membrane | 1× | 1 | — | part |
| 1.5 | O-Ring Set | oring-set | 1× | 1 | — | part |
| 1.6 | Fastener Set | fastener-set | 2× | 2 | — | part |
| 2 | DC Input Stage 6 parts | solar-inverter-dc-input-stage | 1× | 1 | 12 | assembly |
| 2.1 | DC Connector Set 2 parts | solar-inverter-dc-connector-set | 1× | 1 | 5 | assembly |
| 2.1.1 | Connector | connector | 4× | 4 | — | part |
| 2.1.2 | Wire Bundle | wire-bundle | 1× | 1 | — | part |
| 2.2 | DC Isolator Switch | solar-inverter-dc-switch | 1× | 1 | — | part |
| 2.3 | DC Surge Protector | solar-inverter-dc-spd | 1× | 1 | — | part |
| 2.4 | DC EMI Filter 3 parts | solar-inverter-emi-filter | 1× | 1 | 3 | assembly |
| 2.4.1 | Common-Mode Choke | solar-inverter-common-mode-choke | 1× | 1 | — | part |
| 2.4.2 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | — | part |
| 2.4.3 | Bare PCB | pcb-bare | 1× | 1 | — | part |
| 2.5 | String Fuse Set | solar-inverter-string-fuse-set | 1× | 1 | — | part |
| 2.6 | DC Input Busbar | solar-inverter-dc-busbar | 1× | 1 | — | part |
| 3 | Boost Converter Stage 6 parts | solar-inverter-boost-stage | 1× | 1 | 97 | assembly |
| 3.1 | Power Inductor | power-inductor | 2× | 2 | — | part |
| 3.2 | Power MOSFET | mosfet | 4× | 4 | — | part |
| 3.3 | IGBT Power Module | igbt-module | 1× | 1 | — | part |
| 3.4 | SiC Boost Diode | solar-inverter-boost-diode | 2× | 2 | — | part |
| 3.5 | Gate Driver Board 3 parts | gate-driver-board | 1× | 1 | 87 | assembly |
| 3.5.1 | Bare PCB | pcb-bare | 1× | 1 | — | part |
| 3.5.2 | Gate Driver IC | gate-driver-ic | 6× | 6 | — | part |
| 3.5.3 | SMD Passive (R/C/L) | smd-passives | 80× | 80 | — | part |
| 3.6 | Bare PCB | pcb-bare | 1× | 1 | — | part |
| 4 | DC-Link Capacitor Bank 4 parts | solar-inverter-dc-link | 1× | 1 | 10 | assembly |
| 4.1 | DC-Link Capacitor | dc-link-cap | 6× | 6 | — | part |
| 4.2 | Film Snubber Capacitor | solar-inverter-film-cap | 2× | 2 | — | part |
| 4.3 | Laminated Busbar | solar-inverter-dc-link-busbar | 1× | 1 | — | part |
| 4.4 | Pre-charge Relay | solar-inverter-precharge-relay | 1× | 1 | — | part |
| 5 | Inverter Bridge 5 parts | solar-inverter-bridge | 1× | 1 | 95 | assembly |
| 5.1 | IGBT Power Module | igbt-module | 3× | 3 | — | part |
| 5.2 | Gate Driver Board 3 parts | gate-driver-board | 1× | 1 | 87 | assembly |
| 5.2.1 | Bare PCB | pcb-bare | 1× | 1 | — | part |
| 5.2.2 | Gate Driver IC | gate-driver-ic | 6× | 6 | — | part |
| 5.2.3 | SMD Passive (R/C/L) | smd-passives | 80× | 80 | — | part |
| 5.3 | Bridge Output Busbar | solar-inverter-bridge-busbar | 1× | 1 | — | part |
| 5.4 | Current Sensor | solar-inverter-current-sensor | 3× | 3 | — | part |
| 5.5 | NTC Temperature Sensor | solar-inverter-ntc-sensor | 1× | 1 | — | part |
| 6 | AC Output Filter 6 parts | solar-inverter-ac-filter | 1× | 1 | 10 | assembly |
| 6.1 | Power Inductor | power-inductor | 3× | 3 | — | part |
| 6.2 | AC Filter Capacitor | solar-inverter-ac-filter-cap | 3× | 3 | — | part |
| 6.3 | AC Grid Contactor | solar-inverter-ac-relay | 1× | 1 | — | part |
| 6.4 | Relay | relay | 1× | 1 | — | part |
| 6.5 | AC Terminal Block | solar-inverter-ac-terminal-block | 1× | 1 | — | part |
| 6.6 | AC Surge Protector | solar-inverter-ac-spd | 1× | 1 | — | part |
| 7 | Control Board 6 parts | solar-inverter-control-board | 1× | 1 | 8 | assembly |
| 7.1 | Bare PCB | pcb-bare | 1× | 1 | — | part |
| 7.2 | Control DSP | solar-inverter-dsp | 1× | 1 | — | part |
| 7.3 | Microcontroller | mcu | 1× | 1 | — | part |
| 7.4 | Sampling ADC | solar-inverter-adc | 1× | 1 | — | part |
| 7.5 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | — | part |
| 7.6 | Isolation Amplifier | solar-inverter-isolation-amp | 3× | 3 | — | part |
| 8 | Communication Board 6 parts | solar-inverter-comm-board | 1× | 1 | 8 | assembly |
| 8.1 | Bare PCB | pcb-bare | 1× | 1 | — | part |
| 8.2 | Compute SoC Module | soc-module | 1× | 1 | — | part |
| 8.3 | CAN Transceiver | can-transceiver | 1× | 1 | — | part |
| 8.4 | Ethernet PHY | solar-inverter-eth-phy | 1× | 1 | — | part |
| 8.5 | Connector | connector | 3× | 3 | — | part |
| 8.6 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | — | part |
| 9 | Cooling Fan Assembly 3 parts | solar-inverter-cooling-fan | 1× | 1 | 3 | assembly |
| 9.1 | Blower Motor | blower-motor | 1× | 1 | — | part |
| 9.2 | Fan Guard | solar-inverter-fan-guard | 1× | 1 | — | part |
| 9.3 | Connector | connector | 1× | 1 | — | part |
| 10 | Display Assembly 4 parts | solar-inverter-display | 1× | 1 | 4 | assembly |
| 10.1 | LCD Panel | lcd-panel | 1× | 1 | — | part |
| 10.2 | Bare PCB | pcb-bare | 1× | 1 | — | part |
| 10.3 | Status LED Set | solar-inverter-led-set | 1× | 1 | — | part |
| 10.4 | Connector | connector | 1× | 1 | — | part |
| 11 | Grounding Set 3 parts | solar-inverter-grounding-set | 1× | 1 | 4 | assembly |
| 11.1 | Earth Lug | solar-inverter-earth-lug | 2× | 2 | — | part |
| 11.2 | Wire Bundle | wire-bundle | 1× | 1 | — | part |
| 11.3 | Fastener Set | fastener-set | 1× | 1 | — | part |
| 12 | Wire Bundle | wire-bundle | 1× | 1 | — | part |