Electronics Transformer — Manufacturer & Supplier in India

An Electronics Transformer is the backbone of every electronic circuit that needs voltage conversion, signal isolation, or impedance matching.

From a simple 12V DC power supply to a precision audio amplifier or a high-frequency switching power supply — the quality of the Transformer inside determines the performance, safety, and lifespan of the entire device.

Tirupati Transformers Pvt. Ltd. is an ISO-certified manufacturer based in Delhi NCR, India — supplying custom and standard units to electronics manufacturers, OEMs, industrial buyers, and export clients across India and internationally.

What Is an Electronics Transformer and How Is It Different from a Power Transformer?

This is the most common confusion among first-time buyers.

A power transformer handles high-voltage transmission — 11kV, 33kV, 132kV — for utility grids and industrial substations. Our power transformers serve this segment.

These units operate at low voltage — typically 5V to 240V — within electronic circuits, consumer devices, industrial control panels, audio systems, medical equipment, and telecommunications infrastructure.

The key differences: these transformers are smaller, operate at higher frequencies (50Hz to MHz range depending on type), use silicon steel, ferrite, or toroidal cores, and are designed for signal accuracy — not bulk power delivery.

Types of Electronics Transformers We Manufacture

EI Core Transformer

EI core Transformers are the most widely used type in India’s electronics manufacturing sector.

Named for their E-shaped and I-shaped lamination stacking, these transformers are cost-effective, reliable, and suitable for 50Hz mains-frequency applications.

Used in power supplies, battery chargers, consumer electronics, and industrial control circuits.

Toroidal Transformer

Toroidal Transformers use a donut-shaped core wound continuously with wire.

They are more efficient than EI core transformers — lower magnetic leakage, less electromagnetic interference (EMI), and significantly smaller and lighter for the same power rating.

Used in audio amplifiers, medical equipment, laboratory instruments, and any application where EMI reduction and compact size are critical.

Ferrite Core Transformer

Ferrite core types operate at high frequencies — from 20kHz to several MHz.

They are the standard choice for switching power supplies (SMPS), inverters, telecommunications equipment, and any circuit requiring high-frequency power conversion.

Ferrite cores have very low eddy current losses at high frequency — making them far more efficient than silicon steel cores for switching applications.

Isolation Transformer for Electronics

An isolation transformer provides galvanic isolation between the primary and secondary circuits.

It is used in medical equipment (patient safety), laboratory test setups, audio systems (ground loop elimination), and industrial control panels (noise rejection).

The isolation prevents electric shock, reduces interference, and protects sensitive electronic circuits from mains supply noise.

Audio Transformer

Audio Transformers handle low-level audio signals — matching impedance between microphones, amplifiers, mixers, and speakers.

They are wound to extremely tight tolerances for frequency response flatness across the full audio bandwidth — 20Hz to 20kHz.

Used in recording studios, broadcasting equipment, PA systems, and professional audio racks.

Pulse Transformer

Pulse Transformers transmit brief electrical pulses — used in power electronics gate drives, thyristor triggering circuits, radar equipment, and telecommunications switching.

They are wound for fast rise times and minimal pulse distortion.

Used extensively in industrial power converters, motor drives, and UPS systems.

PCB Mount Transformer

PCB mount types are compact units designed to solder directly onto printed circuit boards.

Available in vertical and horizontal mounting styles, they eliminate external wiring and reduce assembly cost for electronics manufacturers.

Used in consumer electronics, telecom equipment, smart meters, and industrial automation PCBs.

Step-Down Electronics Transformer

A Step-down types reduce mains voltage (230V or 110V) to the lower DC or AC voltage required by electronic circuits.

Used in all mains-powered electronic devices — from simple LED power supplies to complex industrial control systems.

Available from 3VA to 5000VA in standard ratings, with custom designs for specific applications.

Where Electronics Transformers Are Used — Industries We Serve

Consumer Electronics Manufacturing: TV power supplies, set-top boxes, home audio systems, and kitchen appliances all use these units for mains voltage conversion and isolation.

Medical Equipment: Hospitals and medical device manufacturers specify isolation Transformers for patient safety — IEC 60601-1 compliance requires galvanic isolation in all patient-contact equipment.

Telecommunications: Line interface transformers, DSL transformers, and power supply transformers for telecom equipment are all part of this transformer category.

Industrial Automation: PLC control panels, motor drive gate circuits, and SCADA system power supplies all use precision units for control voltage supply and signal isolation.

Renewable Energy: Solar inverters, wind turbine control electronics, and battery management systems use high-frequency ferrite core Transformers — see our Solar Inverter Duty Transformer for higher power applications.

Audio and Broadcasting: Recording studios, FM/AM broadcast transmitters, and professional audio equipment require custom-wound audio Transformers for signal accuracy.

Defence and Aerospace: Military-grade Transformers for radar, communication, and navigation equipment — manufactured to MIL-SPEC standards with enhanced temperature and vibration ratings.

Why Choose Tirupati for Electronics Transformers

Custom Design Capability: Most Electronics Transformers requirements are specific — your voltage ratio, VA rating, frequency, and mounting style may not match a standard catalogue item. Tirupati designs custom Transformers from your specification — prototype within 2 to 3 weeks, production within 4 to 6 weeks.

ISO-Certified Manufacturing: Every unit we manufacture goes through incoming material testing, in-process quality checks, and outgoing electrical testing — winding resistance, turns ratio, insulation resistance, and dielectric strength test.

Consistent Quality for OEM Supply: Electronics manufacturers who source Electronics Transformers from Tirupati get batch-consistent quality — critical for production line reliability. We maintain winding records for every order for repeat production matching.

Competitive Electronics Transformer Price: Factory-direct pricing — no distributor markup. Our pricing is the manufacturer price — making us the preferred source for Delhi NCR buyers.

Fast Delivery — Delhi NCR Location: Our manufacturing facility in Delhi NCR means same-region delivery for North India electronics manufacturers. Pan-India courier delivery within 3 to 5 working days for standard orders.

According to IEC 61558 — the international safety standard for transformers for general and special applications including electronic applications — all safety transformers must comply with insulation, temperature rise, and dielectric strength requirements. Tirupati’s Electronics Transformers are manufactured in compliance with IEC 61558 and Bureau of Indian Standards IS 3412 for transformers safety.

How to Order a Custom Electronics Transformer from Tirupati Transformer

Ordering a custom unit is straightforward.

Share these details with us:

• Core type preference (EI, toroidal, ferrite — or we advise based on application)
• Primary voltage and frequency
• Secondary voltage(s) — single or multiple outputs
• VA or watt rating
• Mounting type (PCB, chassis, panel mount)
• Insulation class and encapsulation requirement
• Quantity — sample, small batch, or bulk production
• Any specific standards (IEC, UL, MIL-SPEC)

We respond within 24 hours with a technical design proposal and price quotation.

For standard EI core and toroidal types, we can dispatch samples within 10 to 15 working days from confirmed order.

👉 Contact us now for your Electronics Transformers requirement — include the technical details above and we will come back to you same day.

Frequently Asked Questions — Electronics Transformer

Q1. What is the difference between an EI core and a toroidal Electronics Transformer — which should I choose?

EI core types use stacked E and I shaped silicon steel laminations. They are easier and less expensive to manufacture, widely available, and suitable for most standard 50Hz applications — power supplies, battery chargers, and general electronics. Cost is lower but they generate more EMI and are bulkier.

Toroidal types use a ring-shaped core wound continuously — they are more compact, quieter, more efficient, and produce significantly less electromagnetic interference. They cost more than EI core but are the right choice for audio equipment, medical devices, and any application where EMI is a concern.

Simple rule: choose EI core for cost-sensitive, standard electronics applications. Choose toroidal when size, EMI, or efficiency matters. Contact us and we will advise for your specific application.

Q2. Can Tirupati manufacture a custom Electronics Transformer to my specific voltage and VA rating?

Yes — custom Electronics Transformers design is our core capability.

We design and manufacture from as small as 1VA to as large as 5000VA. Primary voltages from 24V to 415V, secondary from 3V to 240V, single and multiple secondary windings.

Share your complete specification — primary voltage, secondary voltage(s), VA rating, frequency, mounting style, insulation class, and quantity. We send you a design proposal and price within 24 hours. Sample units for approval within 2 to 3 weeks from confirmed design.

Q3. What is the Electronics Transformer price range in India?

Pricing in India depends on core type, VA rating, and quantity.

Standard EI core types in the 50VA to 500VA range typically cost INR 200 to 2,000 per unit at commercial quantities. Toroidal units in the same range cost 30 to 50% more. Ferrite core high-frequency transformers are priced based on specification complexity.

As a direct manufacturer, Tirupati’s Electronics Transformers price is the factory price — no distributor or wholesaler margin. For bulk OEM orders, we offer volume pricing with significant cost reduction per unit.

Contact us with your specification and quantity for an exact price quote within 24 hours.

Q4. Which Electronics Transformer is required for medical equipment in India?

Medical Transformers must comply with IEC 60601-1 — the international standard for medical electrical equipment safety — and its Indian equivalent IS 13450.

Key requirements: galvanic isolation between primary and secondary (isolation transformer), minimum 4kV dielectric withstand strength, creepage and clearance distances per IEC 60601-1, Class B or Class F insulation, and in many cases, triple-insulated wire for reinforced isolation.

Tirupati manufactures medical-grade isolation Transformers to IEC 60601-1 requirements — with test certificates for dielectric withstand, insulation resistance, and temperature rise that Indian and export medical device manufacturers require for their regulatory submissions.

Q5. What is the lead time for Electronics Transformer supply from Tirupati?

Lead times depend on type and quantity.

For standard EI core Transformers in common VA ratings — 10 to 15 working days from confirmed order for initial supply. For repeat orders with the same specification, 7 to 10 working days.

For custom-designed Electronics Transformers — 2 to 3 weeks for design approval sample, 4 to 6 weeks for first production batch. Once the design is approved and tooling is set, repeat orders deliver in 2 to 3 weeks.

For urgent requirements, contact us with your timeline — we will advise on the fastest achievable delivery based on current factory loading.

Get Your Electronics Transformer Quote — 24 Hour Response

Whether you need 10 units for a prototype or 10,000 units for production — tell us your requirement. Contact Us — include your specification and we respond same day

• Measurement of winding resistance
• Measurement of voltage ratio and check of polarity and vector group
• Measurement of impedance voltages
• Measurement of load losses
• Measurement of no load losses and no load current
• Measurement of harmonics induced overvoltage withstand test
• Separate source voltage-withstand tests on HV and LV windings
• Bushing routine tests
• Oil Leakage Test
• Relief Device Test
• Dielectric Routine Tests
• Galvanizing Tests
• Magnetic Balance Tests
• Induced over voltage withstand Tests
• Tap changer Tests
• Oil Tests.

• Oil Temperature Indicator (OTI)
• Winding Temperature Indicator (WTI)
• Magnetic Oil-level Gauge (MOG)
• Pressure Relief Device (PRD)
• Marshalling Box
• Forced Fan Cooling
• OLTC & RTCC Panel with AVR
• Bi-directional Rollers
• Radiator Valves
• Dehydrating Breather
• Current Transformer
• Additional Neutral Terminal.