What sample express do you use?

DHL, UPS, or FedEx. Delivery takes 7-15 days. Specific requirements can also be accommodated.

What are the payment methods?

PayPal, credit card, Western Union, and Bank Transfer.

Has your product been tested before shipment?

Yes, we conduct a 12-hour aging test before delivery.

EI Audio transformers with different power

Name: EI Audio transformers with different power
Brand: AL Transfo Technology Limited
SKU: 1918797106

Anhui, ChinaAL Transfo Technology Limited

US$3.51

100-4,999 Pieces

US$3.02

5,000+ Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Application

Power, Electronic, Audio, Control System

Phase

Single

Model NO.

AL-EI13

Core

Toroidal

Cooling Method

Dry-type Transformer

Winding Type

Auto-transformer

Certification

ISO9001-2000, ISO9001, CE

Usage

Single-phase Transformer, Power Transformer

Frequency Characteristics

Low Frequency

Shape of Core

Ring

Brand

AL TRANSFO

Winding Material

Copper100%

Efficiency

>92%

Coil Number

Double Winding and Multi-Wind

Bobbin

Ee Series and Other

Color

Customized

Core Material

Silicon Steel Core

Frequency

50/60Hz

Work Cycle

Customized, Such as ED 80%

Input Voltage

Customized

Insulation Class

UL Class B, F, H, N. (Optional)

Transport Package

Carton/ Foam

Specification

5pcs/box

Trademark

Origin

China

HS Code

85043190

Production Capacity

5000PCS/15days

Key features

Customizable Input Voltage: Supports AC 100V to 240V and 50/60Hz based on customer requirements.

Customizable Output Power: Available range from 1.0VA to 1500VA tailored to specific needs.

High Efficiency: Efficiency exceeds 92% with low no-load loss and low temperature rise.

Comprehensive Customization: Offers total design solutions including work cycle and winding material.

UL Approved Safety: Meets UL Class B, F, H, N insulation standards for excellent safety.

RoHS Compliance: Fully compliant with RoHS regulations for environmental safety.

No Minimum Order Quantity: Accepts both prototype and mass production without MOQ restrictions.

12-Month Warranty: Covers all boards and products with 12 months of warranty coverage.

Company profile

AL Transfo Technology Limited

Anhui, China

Business Type: Manufacturer/FactoryExport Year: 1993-02-11Nearest Port: shanghai, shengzhenAverage Response Time: ≤15hTerms of Payment: T/T, D/P, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA, EXW

AI-Powered supplier vetting

SummaryAL TRANSFO TECHNOLOGY Co., Ltd is identified as a trading company that researches and sells power supplies, chargers, coils, transformers, inductors, reactors, wiring harnesses, and electronic appliances. Its company description states that it designs and manufactures transformers, inductors, chokes, power supplies, and cable assemblies, with ISO 9001 and ISO 14001 certifications reported. The supplier offers flexible customization and has approximately eight years of export experience, with 90% of total sales from exports. However, the provided assessments report one R&D engineer, no new products in the past year, no ODM, OEM for popular brands, SDK, in-stock, overseas warehouse, or overseas showroom capability. Service-management weaknesses include no written procedures or records for supplier assessment, corrective actions, or complaint handling. No Fortune 500 cooperation is reported, while repeat-buyer preference is stated at 50%–80%.

CertificationsThe company description states that ISO 9001 and ISO 14001 certifications were earned through the SGS system. These statements provide explicit evidence of the reported certifications, although no certificate validity dates or certificate documents are provided.

After-Sales capabilityThe supplier is reported to have no in-stock service capacity, no overseas warehouse, and no overseas showroom. It also has no written procedures or records for customer complaint handling, service-capability assessment, or corrective and preventive actions, indicating a documented after-sales and service-management deficiency.

R&D capabilityInnovation evidence is weak: the supplier is reported as having one R&D engineer, no new products launched in the past year, no ODM service, no available SDK, and no 3D software design service. Although flexible customization and claimed R&D/manufacturing capabilities are mentioned, the explicit recent-product and resource data indicate a deficiency in demonstrated innovation capability.

Customization capabilityFlexible customization is explicitly reported, and the company description states that its products can be custom made according to customer requirements. This is directly supported by both the capability assessment and the supplier’s own product description.

Client casesThe supplier reports no OEM service for popular brands and no cooperation with Fortune 500 companies. A repeat-buyer preference of 50%–80% is reported, but no named customer cases or independently specified reference projects are provided.