1uH-10mH T30 Toroidal Power Inductor High Current For Solar Inverter UPS EV Charger
T30 Toroidal Power Inductor — High Current Iron Powder Core Choke Coil, OEM & ODM Customization
The Chipsen T30 toroidal power inductor is a through-hole magnetic ring inductor built on a 30 mm outer-diameter toroidal core and wound with enameled copper wire. Its closed magnetic path delivers low EMI radiation, low core loss and stable inductance under DC bias, making it a reliable filtering and energy-storage component for switching power supplies, solar inverters, UPS systems and EV on-board chargers.
Every T30 inductor is made to order: inductance value, current rating, core material, wire gauge, pin length and terminal style are all engineered to your circuit and PCB layout. Send us your schematic, target inductance or a sample — we return a drawing within 3 working days.
- Low MOQ — 100 pcs. Friendly to prototype runs, R&D projects and small-batch production.
- Fast response. Quotation within 3 days, sample production within 7 days after drawing confirmation.
- 5-year warranty, extended to 20 years for special industries (rail, medical, energy storage and other long-life applications).
- Full OEM & ODM support. Custom inductance, current, core material, winding structure, marking and packaging.
- High efficiency & low noise. Toroidal closed-loop core minimises leakage flux, audible noise and temperature rise.
- Stable performance. Wide operating temperature range and consistent inductance tolerance batch after batch.
| Item | Specification |
|---|---|
| Brand / Model | Chipsen / T30 series |
| Product Type | Toroidal power inductor / magnetic ring choke coil |
| Core Outer Diameter | Approx. 30 mm (other sizes available on request) |
| Core Material | Iron powder, sendust, high flux, ferrite or nanocrystalline — selected by frequency & loss target |
| Inductance Range | Customized, typically 1 µH – 10 mH |
| Inductance Tolerance | ±10% / ±15% / ±20% (specify when ordering) |
| Rated Current | Customized to application; multi-strand or Litz wire available for high-current designs |
| Winding Wire | Enameled copper wire (single / multi-strand / Litz), 100% copper |
| Mounting Type | Through hole, vertical or horizontal; base / bracket optional |
| Hi-Pot Test | 1500 – 3000 VAC, 1 minute (wire to wire) |
| Operating Temperature | -40 °C to +125 °C (material dependent) |
| Insulation / Protection | Insulating tape, epoxy coating or varnish dipping optional |
| Certification | UL recognized material, RoHS, REACH compliant |
| Place of Origin | China |
Exact electrical parameters are defined on the approved customer drawing. Tell us your inductance, current and frequency and we will propose the optimal core + winding combination.
| Field | Function of the T30 inductor |
|---|---|
| Switching power supply (SMPS) | Output filtering, energy storage, ripple suppression on PCB |
| Solar & PV inverter | Boost / PFC choke, differential-mode filtering |
| UPS & energy storage | Current smoothing and EMI attenuation |
| EV on-board charger (OBC) | High-frequency power filtering with low core loss |
| LED driver & adapter | Compact energy-storage inductor for constant-current stages |
| Industrial control & automation | Noise suppression on DC bus and signal power rails |
- Share your requirement — inductance, rated current, working frequency, size limit, or simply a sample / competitor part number.
- Engineering proposal & quotation within 3 working days, including core material and winding recommendation.
- Drawing confirmation, then sample production within 7 days.
- Sample validation on your board; parameters fine-tuned if needed.
- Mass production with full-inspection test data and stable lead time.
Manufactured under a certified quality system — ISO 9001:2015, ISO 14001:2015 and IATF 16949 — with UL/cUL, RoHS, REACH and CQC compliant materials. Each batch goes through inductance, DCR, hi-pot and appearance inspection before shipment, backed by a 5-year warranty (20 years for special industries).
| Minimum Order Quantity | 100 pcs |
|---|---|
| Quotation Time | Within 3 working days |
| Sample Lead Time | 7 days (drawing within 3 days) |
| Packaging | Anti-static tray / blister or PE bag + carton; custom packing accepted |
| Trade Terms | EXW / FOB / CIF |
| Warranty | 5 years (20 years for special industries) |
Tell us your inductance value, rated current, working frequency and dimension limit — our engineers will reply with a technical proposal and price within 3 working days. Custom drawings, samples and long-term supply plans are all welcome.

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.