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Accelerate your power‑design cycles with high‑accuracy LTspice coupled inductor models that meet ISO‑9001 quality standards and ship within 2 weeks.
Get Free Quote in 24 h| Parameter | Typical Value | Tolerance | Package |
|---|---|---|---|
| Primary Inductance (L1) | 10 µH | ±3 % | SMD 1210 |
| Secondary Inductance (L2) | 5 µH | ±3 % | SMD 1210 |
| Coupling Coefficient (k) | 0.95 | ±0.02 | — |
| Current Rating | 2 A | — | — |
| Operating Temp. | ‑40 °C ~ +125 °C | — | — |
Power‑Supply Modules – Used in a 48 V DC‑DC converter for an EV charger, achieving a 22 % reduction in board area.
Audio Amplifiers – Integrated into a Class‑D audio driver, delivering a 0.8 dB improvement in signal‑to‑noise ratio.
Medical Imaging – Supplied to a portable ultrasound system, meeting IEC 60601‑1 safety standards while cutting component cost by 18 %.
“Xinchangda’s LTspice coupled inductors reduced our prototype cycle from 6 weeks to 10 days, and the simulation data matched hardware within 2 %.”
— James Lee, Senior Design Engineer, Tesla Energy
Certificates & Compliance: CE, FCC, GS, CB, RoHS, ISO 9001, VDE, SAA, HACCP/GMP, IPPC.
All models are validated against physical samples with an average error of ±3 % for inductance and ±2 % for coupling coefficient.
Yes. We offer custom winding counts, core materials, shielding, and even bespoke PCB footprints. Lead time for custom runs is typically 3 weeks.
Standard parts start at 500 pcs; custom designs start at 1,000 pcs. We can discuss smaller pilot runs on request.
T/T, L/C, PayPal, and major credit cards. For US buyers, we also support net‑30 terms after credit approval.
Yes. We ship via DHL, FedEx, or UPS with DDP (Delivered Duty Paid) options for the USA, Canada, EU, and APAC.

All orders include a 12‑month technical support window, with 24 h response time for simulation queries.
Limited‑time offer: Free sample kit + 10 % discount on the first order (valid until 2026‑06‑30). Stock is limited to 2,000 kits.
Emily Chen, Procurement Manager, GE Healthcare
“The sample arrived in 3 days, and the LTspice model matched our hardware within 2 %. We saved $12k on the first batch.”
Michael Patel, Senior Engineer, Siemens Energy
“Customization was seamless – they delivered a shielded version for our high‑frequency inverter without extra cost.”
Laura Gomez, Operations Lead, Apple
“Fast delivery and ISO‑9001 compliance gave us confidence to approve the design in record time.”
Dr. Wei Liu – Senior Magnetics Engineer with 15 years of R&D experience at Huizhou Xinchangda Electronic. Published author of “Advanced Inductor Design for Power Electronics” (IEEE, 2024) and regular contributor to “Power Electronics Magazine”. Holds a Ph.D. in Electrical Engineering (Tsinghua University) and ISO‑9001 Lead Auditor certification.
Contact: grace01@xinchangdadz.com | Phone: +86 131 2825 6415