Sara Circuits

Process

• Fourteen in-house steps from CAM check to dispatch: PDF approval, job card, screen printing, etching, stripping, masking, legend, CNC or die punch, V-cut, bare board test, final finish, final inspection.

Tech specs

• Single-sided, one copper layer. No double-sided or multilayer boards.
• Base materials: FR1, CEM1, CEM3, FR4, aluminium MCPCB.
• Thickness 0.8 to 1.6 mm. Copper 35 µm (1 oz), 70 µm (2 oz) available.
• Solder mask green, white or black. Legend white or black. Finish HASL or OSP.
• Profiling by punching and blanking, CNC routing, V-cut.
• Files accepted: Gerber RS-274X with drill file.

Tooling

• Ready blanking tools for round bulb, emergency bulb and DOB sizes: 40/46, 60/66, 62, 82, 112 and 132 mm. The site says there are 21 ready dies.

Capacity

• 10,000 m² per month. More than 50 skilled operators. Manufacturing since 2019.

Industries

• LED lighting, DOB, emergency lighting, chargers and adapters, SMPS and LED drivers, automotive, home appliances, inverters, consumer electronics.
• Customers are described as well-known Indian lighting, power and consumer electronics brands, including EMS manufacturers. None are named.

Quality

• QC department is independent of production. Every lot carries a job number traceable to process records.
• Bare board testing and final inspection.

Commercial terms

• Minimum order is 40 m² per design (about 16,000 pcs of 50×50 mm). No prototype or small-quantity orders from new buyers.
• Regular customers only: designs below 40 m² run with a ₹2,500 development charge.
• Sample run ₹2,000, adjusted against the first production order.
• NDA signed on request before files are shared. Jobs run under client IDs, not company names.

Other

• GSTIN 06ADWFS7015E1ZT.