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100VA 1000VA 50 60Hz Single Phase Toroidal Transformer For Audio Amplifier
Place of Origin:
China
Brand Name:
Chipsen
Certification:
ISO9001:2015, ISO14001:2015, IATF16949, UL/cUL, ROHS, REACH, CQC
Model Number:
T110
Minimum Order Quantity:
100pcs
Price:
US$10-20
Packaging Details:
Carton 1: 25.5 X 21.5 X 21cm. Carton 2: 43.5 x 24.5 x 21 cm
Delivery Time:
3~4 Weeks
Payment Terms:
T/T
Supply Ability:
Up to 100,000 pcs/month, adjustable by model
Inquiry Now
Get A Quote
Specifications
Highlight Features
100VA Toroidal Transformer
,1000VA Toroidal Transformer
,Audio Amplifier toroidal current transformer
Power Rating:
50VA – 1500VA
Core Material:
Silicon Steel Toroidal Core
Dielectric Strength:
3000–4000V AC / 1 Min
Winding Material:
100% Enameled Copper Wire
Insulation Class:
Class B (130°C) / F (155°C) / H (180°C)
Efficiency:
Up To 95%
Product Description
100VA-1000VA 50/60Hz Single Phase Toroidal Transformer for Audio Amplifier
The Chipsen T110 toroidal transformer is a fully customizable low-noise power transformer built on a continuously wound CRGO (cold-rolled grain-oriented) silicon steel toroidal core with 100% copper windings. Its closed magnetic circuit keeps stray magnetic field, audible hum and EMI far below those of a comparable EI laminated transformer, making it the preferred choice for Hi-Fi audio amplifiers, medical and laboratory instruments, industrial control cabinets, LED lighting, UPS and isolation power supplies.
Chipsen is a Chinese magnetics manufacturer with in-house winding, vacuum impregnation and 100% electrical testing. Every T110 unit is produced under an ISO9001:2015 / ISO14001:2015 / IATF16949 quality system and can be supplied with UL/cUL, CQC, RoHS and REACH compliant material sets. OEM & ODM welcome — voltage, VA rating, lead-out, mounting and safety options are all made to order.
Key Advantages
- Low noise & low hum — toroidal closed-loop core, vacuum varnish impregnated windings, virtually no mechanical buzz for audio-grade applications
- Low stray magnetic field — typically 1/8 of an EI transformer of the same rating, so it can be mounted close to sensitive preamp or signal boards
- High efficiency, low temperature rise — up to 95% efficiency, low no-load loss, compact and lightweight vs. EI types
- Safe galvanic isolation — separated primary/secondary windings with optional electrostatic shield for control and isolation duty
- Full customization — VA rating, single/dual secondary, tap voltages, flying leads or terminals, potting, and dimensional envelope all built to your drawing
- Reliable supply — MTO production, 100% hi-pot / turns-ratio / no-load current testing before shipment
Technical Specifications
| Model No. | T110 (customized series) |
|---|---|
| Product Type | Toroidal power / isolation transformer |
| Power Rating | 50VA - 1500VA (other ratings on request) |
| Primary Voltage | 110V / 115V / 120V / 220V / 230V / 240V AC, dual primary optional |
| Secondary Voltage | Customized — e.g. 2*12V, 2*15V, 2*18V, 2*24V, 2*35V, or single output |
| Frequency | 50Hz / 60Hz |
| Core Material | CRGO silicon steel toroidal core, continuously wound |
| Winding Material | 100% enameled copper wire (full copper, no CCA) |
| Insulation Class | Class B (130°C) / F (155°C) / H (180°C) optional |
| Dielectric Strength | 3000-4000V AC / 1 min, primary to secondary |
| Efficiency | Up to 95% |
| Operating Temperature | -25°C to +85°C |
| Protection Options | Thermal fuse / thermal switch, electrostatic shield, epoxy potting |
| Mounting | Center bolt with metal dishes & rubber pads, or PCB / bracket mount |
| Termination | Color-coded flying leads (UL wire), terminal block or connector |
| Certification | ISO9001:2015, ISO14001:2015, IATF16949, UL/cUL, CQC, RoHS, REACH |
| Place of Origin | China |
* Values above cover the standard customizable range. Final parameters follow the approved drawing / specification sheet.
Typical Applications
- Audio: Hi-Fi power amplifiers, tube amplifiers, DAC and preamp linear power supplies, professional PA systems
- Industrial control: control cabinets, PLC and instrument power, machine tool control transformers
- Isolation & safety: 1:1 isolation transformers, medical and laboratory equipment
- Lighting & power: LED drivers, halogen lighting, UPS, inverters and battery chargers
- Others: broadcast equipment, telecom power, home appliances
Customization & OEM/ODM Service
Send us your input/output voltage, VA rating, dimension limits, lead length and safety requirements (or simply a drawing / sample), and our engineering team will return a proposal and quotation. Free electrical design review, sample lead time typically 7-10 working days, mass production 15-25 days depending on quantity. Private label and neutral packaging are supported.
Quality Control & Packaging
- Incoming inspection of core, copper wire and insulation materials
- In-process control: winding turns, layer insulation, vacuum varnish impregnation
- 100% final test: turns ratio, no-load current, no-load loss, hi-pot, insulation resistance, polarity
- Packing: anti-static bag + foam / carton partition, master carton on pallet; export-standard packaging
- Shipping: by sea, air or express (DHL/FedEx/UPS); EXW, FOB, CIF and DDP terms available
Frequently Asked Questions
Q1: Why choose a toroidal transformer instead of an EI transformer for an audio amplifier?
A toroidal core has a continuous closed magnetic path, so it produces much lower stray magnetic field, lower audible hum and lower EMI, while offering higher efficiency and a smaller, lighter body at the same VA rating.
Q2: Can the T110 be made to my own voltage and VA rating?
Yes. Primary, secondary, taps, VA rating, wire length and mounting hardware are all customizable. Send your specification or drawing for a made-to-order design.
Q3: Are the windings full copper?
Yes. We use 100% enameled copper wire; CCA (copper-clad aluminum) is not used unless the customer specifically requires it.
Q4: What is the minimum order quantity?
MOQ is flexible for customized projects. Samples are available for evaluation before mass production.
Q5: Which certifications can you provide?
Production is covered by ISO9001:2015, ISO14001:2015 and IATF16949; material and safety compliance includes UL/cUL, CQC, RoHS and REACH. Test reports can be supplied with shipment.
Q6: How do I get a quotation?
Provide input voltage, output voltage/current or VA, quantity and any dimensional or safety constraints — we normally reply with a technical proposal and price within 24 hours.
Contact us today for a free custom toroidal transformer design and a competitive factory quotation.
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