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ISO 9001:2015 Certified · Mumbai, India

High Current
Copper Flexible LeadsFor Every Application

Manufacturer & Exporter of precision copper cables for Power Semiconductors, Rectifiers, and Steel Melting Industries. From 25A to 20,000 Amps.

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45+
Years Experience
97%
Customer Satisfaction
20K
Max Amps Capacity
TCS Manufacturing
Our Story

Pioneer OEM Supplier Since 1979

Technical Consultancy & Services is a Partnership company registered in 1979, led by Technocrat Partners. Manufacturers and exporters for more than 45 years, supplying the Power Semiconductor industry across India, USA, and global markets.

We are the pioneer OEM component suppliers in India, catering to all Power Semiconductor device manufacturers for almost 30 years, with a customer satisfaction rating of not less than 97%.

🏅
ISO 9001:2015 Certified
Recognized Export House · Govt. of India (DGFT)
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25A – 20,000 AmpsFull current range
🔩
1.5 – 5600 mm²Cross section range
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Global ExporterIndia, USA & worldwide
🛡️
Custom BuiltTo your specifications
Our Catalog

Product Range

Precision-manufactured copper leads for power semiconductor applications.

Diode Leads16-50A
Copper Flexible Leads for Diodes
16 Amps to 50 Amps · Spot welding type · Silicon Sleeve
Diode Leads51-75A
Copper Flexible Leads for Diodes
51 Amps to 75 Amps · Spot welding type · Silicon Sleeve
Diode Leads100-400A
Copper Flexible Leads for Diodes
100 Amps to 400 Amps · 180° bendable · For Rectifiers
Thyristor Leads100-400A Thyristor
Copper Flexible Leads for Thyristors
100 Amps & 400 Amps · Single gate lead wire
Thyristor Leads150A Thyristor
Copper Flexible Leads for Thyristors
150 Amps · Twin gate lead wire · Gate & Cathode
Furnace LeadsFurnace Lead
Water / Air Cooled Furnace Leads
Upto 5600 mm² · Upto 20,000 Amps · Ladle, Arc & Induction
Copper ShuntsShunt
Copper Flexible Shunts
Various shapes & sizes · High conductivity copper
ConnectorsConnector
Copper Flexible Connectors
Wire rope / braided wire · Silicon or heat shrink sleeve
Gate LeadsETFE Gate
Gate Leads with ETFE Wire
Various connectors · Single gate lead · ETFE insulation
Gate LeadsSilicon Gate
Gate Leads with Silicon Wire
Various connectors · Single gate lead · Silicon insulation
Gate LeadsTwin Gate
Twin Twisted Gate Leads
Different connectors · Heat shrinkable sleeves · Twin config
Internal LeadsInternal Leads
Internal Leads for Diodes & Thyristors
100 Amps to 400 Amps · For diodes and thyristors
Technical Data

Product Specifications

Complete range covering all standard and custom requirements for the power semiconductor industry.

⚡ Electrical Specifications

Overall Current Range25A – 20,000 Amps
Diode Leads16A – 400A
Thyristor Leads100A – 400A
Furnace LeadsFew 100A – 25,000A
Internal Leads100A – 400A

🔩 Physical Specifications

Cross Section1.5 mm² – 5600 mm²
Wire Strand Dia.0.1 mm – 0.2 mm
AWG Range22 AWG – 40 AWG
FlexibilityBendable upto 180°
CustomizationFully custom available

🏭 Furnace Lead Features

ResistanceLower Resistance
ConductivityHigher Conductivity
StabilityGreater Stability
MaintenanceLower Cost
Terminal FinishElectro-tinned Copper

📋 Sleeve & Insulation Options

Silicon SleeveStandard on small leads
ETFE WireGate lead variant
Heat ShrinkTwin gate leads
Asbestos BraidingAir cooled furnace leads
Bare CopperWater cooled type
Why Choose TCS

The TCS Advantage

Four decades of precision manufacturing backed by a commitment to quality and long-term customer relationships.

01
🏆
Pioneer in India
First and leading OEM supplier to all Power Semiconductor device manufacturers in India for over 30 years.
02
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97% Customer Rating
Vendor rating by all customers — domestic, 100% EOU units, and USA — is consistently 97% or higher.
03
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ISO Certified Quality
ISO 9001:2015 certified with integrated Quality Control and On-Line Inspection for every product.
04
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Custom Engineering
Every product can be custom built to your exact specification — current, size, sleeve type, connector type.
05
🌍
Global Export
Recognized Export House by Govt. of India (DGFT) due to consistently high export performance to USA & worldwide.
06
🤝
Long-Term Partnerships
Once a customer, always a customer — backed by timely supply, consistent quality, and after-sales support.
Get In Touch

Let's Discuss
Your Requirements

Reach out for quotes, technical specifications, or custom product inquiries. Our team responds within 24 hours.

📍

Address

301, Ashirwad Ind. Estate, Bldg. No. 3,
Ram Mandir Road, Goregaon (W),
Mumbai – 400 104, India

📞

Phone

+91-99862 69041
+91-98169 25261

✉️

Email

info@tcservices.in

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