{"id":"f95039e6-2676-41a4-bef7-456ceefaa249","slug":"sienna-ecad-technologies","name":"Sienna Ecad Technologies","legalName":"SIENNA ECAD Technologies","otherNames":[],"website":"https://siennaecad.com","roles":["service_provider","manufacturer"],"description":"Bengaluru-based PCB design and analysis engineering company. It also offers quick-turn prototype PCB assembly through PCBA facilities of its parent EMS group in Bangalore, Chennai and Atlanta.","notes":"**Services**\n- PCB design, library support, analysis (SI, thermal, EMI/EMC, reliability), DFX, quick turn prototype\n\n**PCB assembly capability**\n- SMT, through-hole and mixed technology, backplanes, high-mix low to medium volume\n- AOI, in-circuit and flying probe test, conformal coating, encapsulation, total traceability\n- IPC Class 2 and Class 3, MILSPEC\n- Up to 24 layers, thickness up to 4.1 mm, 01005 components, BGAs at 0.4 mm pitch, up to 10k components per PCBA\n\n**Industries**\n- Networking, Power, Transportation, Semiconductor, IOT, Medical\n\n**Ownership**\n- Parent companies Sienna Corporation and Avalon Technologies (EMS providers in USA/India)\n\n**Customers**\n- Clients include a US-headquartered semiconductor fab company; testimonials mention design, fabrication and assembly support\n\n**Export**\n- Works with clients globally","yearEstablished":null,"languages":["en"],"serviceArea":"Clients across the globe","engagement":{"type":"contact_only","how":null,"responseTime":null,"needs":["Design files / requirement description","Quantity","Board layers and assembly type"]},"city":"Bengaluru","cities":["Bengaluru"],"state":"Karnataka","locations":[{"kind":"office","address":"#683, 1st Floor, 15th Cross Rd Outer Ring Road, Near Delmia circle JP Nagar 2nd Phase, Bengaluru - 560078, Karnataka, India."},{"kind":"office","address":"#23, JK Tech Square, EPIP Zone, Whitefield, Bengaluru – 560066, Karnataka, India."}],"identifiers":[],"credentials":[],"contacts":[{"channel":"email","value":"sales@siennaecad.com","purpose":"sales","who":"Sales desk","hours":null,"digital":true},{"channel":"phone","value":"+91 9019225498","purpose":"sales","who":null,"hours":null,"digital":false},{"channel":"phone","value":"+91 80 3501 8800","purpose":"general","who":null,"hours":null,"digital":false}],"agentReachable":true,"hasPrivateContacts":false,"offerings":[{"id":"e789f053-0342-4b4a-82f4-e4b35de44bc6","kind":"service","title":"PCB design and analysis","description":"High-speed PCB design, SI, thermal, EMI/EMC and reliability analysis, DFX and library support.","notes":null,"minOrder":null,"leadTime":null,"pricing":null},{"id":"22a9a17a-84d8-4179-9bc5-10ac52a04181","kind":"custom_production","title":"Quick turn prototype PCB assembly","description":"Prototype and low to medium volume PCB assembly (SMT, through-hole, mixed) at group facilities in Bangalore, Chennai and Atlanta.","notes":"**Capabilities**\n- Hi-complex double-sided assemblies, backplanes\n- ROHS and conventional process\n- AOI, in-circuit and flying probe test\n- DFM reviews and yield analysis\n- IPC Class 2/3, MILSPEC\n- Conformal coating, encapsulation, total traceability","minOrder":null,"leadTime":null,"pricing":null}],"sources":[{"url":"https://siennaecad.com/prototype.html","fetchedAt":"2026-10-11"},{"url":"https://siennaecad.com/about.html","fetchedAt":"2026-10-11"},{"url":"https://siennaecad.com/","fetchedAt":"2026-10-11"}],"verifiedAt":null,"lastUpdated":"2026-10-11","lastVisited":"2026-10-11"}