{"schemaVersion":"ready-scan.discovery-surface.v1","id":"urn:readyscan:corpus:evidence:shenzhen-promagtech-co-ltd-q141487532","key":"evidence:shenzhen-promagtech-co-ltd-q141487532","kind":"evidence","slug":"shenzhen-promagtech-co-ltd-q141487532","canonicalUrl":"https://directory.readyscan.ai/corpus/evidence/shenzhen-promagtech-co-ltd-q141487532","machineUrl":"https://directory.readyscan.ai/discovery/corpus/evidence/shenzhen-promagtech-co-ltd-q141487532.json","datePublished":"2026-10-16","dateModified":"2026-10-28","materialFingerprint":"fnv1a64:b1c68fb525afef06","membershipFingerprint":"fnv1a64:45251aa8dbeb830e","relatedEntitySlugs":["shenzhen-promagtech-co-ltd-q141487532"],"relatedSurfaceKeys":["buyer_question:shenzhen-promagtech-co-ltd-q141487532-answer-0498030515177c3e091c","buyer_question:shenzhen-promagtech-co-ltd-q141487532-answer-277069d45f351b8b8001","buyer_question:shenzhen-promagtech-co-ltd-q141487532-answer-2b1a2d9765ef4f875f00","buyer_question:shenzhen-promagtech-co-ltd-q141487532-answer-7f8e8ccb4c4958837b89","buyer_question:shenzhen-promagtech-co-ltd-q141487532-answer-9146464d1a1fd67bec50","buyer_question:shenzhen-promagtech-co-ltd-q141487532-answer-f87f842a32b89299df23","relationship:shenzhen-promagtech-co-ltd-q141487532-products-and-services"],"sourceIds":["ready-scan-subjects"],"provenance":[{"snapshotId":"shenzhen-promagtech-co-ltd-q141487532-content-429f9c88d047d743-snapshot","sourceId":"ready-scan-subjects","sourceRecordId":"Q141487532","sourceRevisionId":"Q141487532:content:09602fc43a800f55","sourceContentHash":"fnv1a64:184673987d9b674e","recordRevisionId":"Q141487532:content:09602fc43a800f55","recordContentHash":"fnv1a64:e5d881c734ab55dc","sourceCanonicalUrl":"https://www.promagtech.com/","sourceModifiedAt":"2026-10-28T04:49:38.567Z","observedOn":"2026-10-28","permission":{"basis":"public_information","evidenceUrl":"https://www.promagtech.com/"},"attributionUrl":"https://www.promagtech.com/"}],"quality":{"method":"same_kind_unique_trigram_floor","minimumUniqueTrigramRatio":0.3,"status":"passed"},"title":"Shenzhen ProMagTech Co., Ltd. — company guide","summary":"PROMAGTECH: “Shenzhen-based manufacturer of custom power magnetic components: high current flat wire (edge-wound) inductors, planar transformers, PFC and boost inductors, common mode chokes and EMI filter magnetics for EV charging, on-board chargers, energy storage PCS, solar inverters, AI data center power and industrial power supplies.”","facts":[{"id":"content-native-digital-agencies-a31ffaea00c67ed5-a-950ed6df2be1da79e4e7","label":"PROMAGTECH","value":"“Shenzhen-based manufacturer of custom power magnetic components: high current flat wire (edge-wound) inductors, planar transformers, PFC and boost inductors, common mode chokes and EMI filter magnetics for EV charging, on-board chargers, energy storage PCS, solar inverters, AI data center power and industrial power supplies.”","sourceUrls":["https://www.promagtech.com/"]},{"id":"content-native-digital-agencies-a31ffaea00c67ed5-a-2b1a2d9765ef4f875f00","label":"What magnetic components does PROMAGTECH manufacture?","value":"“PROMAGTECH (SHENZHEN PROMAGTECH CO.,LTD.), established in 2013 in Shenzhen, China, designs and manufactures custom power magnetic components: high current flat wire (edge-wound) inductors, planar transformers, PFC and boost inductors, common mode chokes and EMI filter magnetics for EV chargers, on-board chargers, energy storage PCS, solar inverters, AI server power and industrial power supplies.”","sourceUrls":["https://www.promagtech.com/"]},{"id":"content-native-digital-agencies-a31ffaea00c67ed5-a-f87f842a32b89299df23","label":"How fast do you respond to a custom inductor or transformer request?","value":"“We provide an initial engineering proposal within 1 working day. Sample lead time is about 2 weeks for standard parts and 3–4 weeks for custom designs.”","sourceUrls":["https://www.promagtech.com/"]},{"id":"content-native-digital-agencies-a31ffaea00c67ed5-a-9146464d1a1fd67bec50","label":"What information should I send for a quote?","value":"“Please send inductance, rated current, saturation current, ripple current, operating frequency, topology, voltage level, insulation requirements, cooling method, mounting space, certification requirements, and target annual volume.”","sourceUrls":["https://www.promagtech.com/"]},{"id":"content-native-digital-agencies-a31ffaea00c67ed5-a-7f8e8ccb4c4958837b89","label":"What tests are performed before shipment?","value":"“Typical outgoing inspection covers inductance, inductance under DC bias, leakage inductance, turns ratio, DCR, inter-turn test, hi-pot and insulation resistance. The test plan is agreed per project.”","sourceUrls":["https://www.promagtech.com/"]},{"id":"content-native-digital-agencies-a31ffaea00c67ed5-a-277069d45f351b8b8001","label":"Is 65 A the rated current?","value":"“No. The supplied sheet states 50 A rated current. The 65 A value is a separate average-current evaluation condition.”","sourceUrls":["https://www.promagtech.com/products/500uh-50a-energy-storage-flat-wire-inductor.html"]},{"id":"content-native-digital-agencies-a31ffaea00c67ed5-a-0498030515177c3e091c","label":"Does the inductor maintain 500 µH at 65 A?","value":"“No. The published values are 497.66 µH at 0 A, 130.25 µH at 65 A and 68.24 µH at 91.92 A.”","sourceUrls":["https://www.promagtech.com/products/500uh-50a-energy-storage-flat-wire-inductor.html"]},{"id":"content-native-digital-agencies-a31ffaea00c67ed5-a-a607d74d88bcd6c89d46","label":"500 µH / 50 A Energy Storage Flat-Wire Inductor","value":"“Custom PCB-mounted dual-toroid flat-wire inductor reference for energy-storage, bidirectional DC-DC, inverter and power-electronics review. Published source data includes 15.79 mΩ DCR and DC-bias inductance at 0 A, 65 A and 91.92 A.”","sourceUrls":["https://www.promagtech.com/products/500uh-50a-energy-storage-flat-wire-inductor.html"]},{"id":"content-native-digital-agencies-a31ffaea00c67ed5-a-d07b3e25962ba28d09f6","label":"EV DC Charging Station PFC Inductor (20–60 kW)","value":"“Flat wire PFC inductors for 20–60 kW EV DC charging modules: 200–500 µH, 16–50 kHz, air or liquid cooling, with a redacted 20 kW case.”","sourceUrls":["https://www.promagtech.com/products/charging-pile-pfc.html"]},{"id":"wikidata-p571-53dde8f9f816f11d","label":"Founded","value":"2013-04-23","sourceUrls":["https://www.wikidata.org/wiki/Special:EntityData/Q141487532.json?revision=2546939910"]}]}