Audio Frequency Transformer

Professional audio frequency transformer operating from 20Hz to 2kHz with ±3dB frequency response. Features comprehensive electromagnetic shielding, 600:600Ω impedance ratio, and compatibility with V.22 to V.90 protocols. Designed for telephone systems, PABX installations, and audio applications, meeting UL 1950 and EN60950 safety standards. Multiple core sizes and configurations available.

Professional SMD audio transformer with epoxy potting and toroidal design. Features 20Hz-20kHz frequency range, ±0.25dB maximum response, and 600:600 ohms impedance ratio. Compliant with UL 1950 and EN60950 standards, ideal for modem, telephone, and PABX systems with compact EE-8 to EE-24 sizes.

High-reliability PCB audio frequency transformer with 35W power, input 110-240VAC, and multiple output options. Features 3750VAC isolation, Class A/B/F insulation, and excellent heat resistance. Ideal for audio equipment, EMI filters, and DC/DC converters. Custom specifications available.

High-nickel cobalt steel core delivers superb bandwidth and enhanced coloration with low distortion. Twin bobbin hum-bucking design ensures excellent CMRR. Ideal for studio DIY microphones. Custom ratios available.

High-nickel cobalt steel core delivers superb bandwidth and enhanced coloration with low distortion. Twin bobbin hum-bucking design ensures excellent CMRR. ISO9001 certified, ideal for triode output stages. Custom options available.

EI 19 Audio Frequency Transformer , Audio Equipment Transformer,Low Frequency Transformer The EI 19 series audio transformer is manufactured using high-quality core materials and advanced winding processes , specifically designed for telephone communication and audio coupling, ensuring low distortion, good isolation, and stable impedance. The product features a robust and reliable structure and complies with RoHS directives and UL 1950 or EN60950 requirements. It is suitable

High-nickel cobalt steel core delivers excellent bandwidth and controlled sound coloration. Hum-bucking design ensures superior magnetic interference rejection. Frequency range 20Hz-20kHz with 0.3dB max response. Ideal for tube microphone output stages and telecommunication applications.

Economical open type audio transformer with 4kCT primary and 3.2 ohm secondary. Frequency response 200Hz-15kHz, insertion loss

This audio transformer is designed for audio systems and telecom isolation applications. Frequency range is 40Hz to 10kHz . Power rating is 5W Max . It offers high reliability . Withstand voltage tests: Primary-Secondary: 1000Vdc . Primary-Case: 1000Vdc . Secondary-Case: 500Vdc . Frequency response: At the end frequencies of 40Hz and 10kHz, amplitude roll-off is ≤30% . Insertion loss: 2.0dB @1kHz . Return loss: 1.0dB @1kHz . Longitudinal distortion: 78dB @1kHz . It is widely

Audio Frequency Transformer This shielded audio transformer is designed for audio systems and telecom isolation applications. The shielded housing effectively suppresses electromagnetic interference, ensuring high-fidelity audio signal transmission. Operating temperature: -25 to +125°C . Storage temperature: -25 to +85°C . It is widely used in audio systems , telephone systems , PABX private branch exchanges , modems , and various telecom isolation equipment . Custom

EI type audio Transformer This EI-type audio transformer is manufactured using high-quality materials and precision winding processes, specifically designed for audio signal transmission and telecom isolation applications, ensuring stable signal transmission with high fidelity. The product features a robust and reliable structure, suitable for various communication and audio equipment. It is widely used in telephone systems, PABX private branch exchanges, modems, multimedia

This EI-type audio isolation transformer is designed for audio systems and telecom isolation applications. Frequency range is 20Hz to 20kHz. Impedance is 600:600Ω. Turns ratio is 1:1.Withstand voltage: 1250VAC/1mA/2 seconds (Primary-Secondary).It is widely used in telephone systems, PABX systems, modems, multimedia audio equipment, and telecom isolation applications. Features Turns ratio – 1:1 (Pin1-3 : Pin6-4) Impedance – 600Ω ±10% @1KHz Primary inductance – 1.5H Min @250Hz,

Audio Transformers This EI-type audio transformer features a frame lead structure . Frequency range is 20Hz to 20kHz . Impedance is 20KΩ:600Ω . Maximum output is 75mW . Insulation resistance: >10MΩ @100VDC . Withstand voltage: 100VAC/1 minute . Frequency response: ±3dB (300Hz-3.4kHz @1kHz 0dB). The transformer is treated with vacuum wax impregnation . PC leads are soft metal wire that can be adjusted to suit various applications. It supports water washing processes with water

This epoxy potted SMD audio transformer features an SMD package and epoxy potting process, providing excellent moisture-proof, dust-proof, and insulation protection.Frequency range: 20Hz to 20kHz. Frequency response: ≤0.25dB, ensuring high-fidelity audio signal transmission.It is widely used in audio systems, telecom isolation, SMD fax modems, AV audio telecom equipment, and PCMCIA applications, supporting data rates from 2400bps to 56.6Kbps (V.90). FEATURES RoHS Directive

This audio transformer features a PCB-mount design with an impedance of 8V:80V, suitable for audio systems and telecom isolation applications. Withstand voltage test: 1.5KV/50Hz/1 minute (Primary-Secondary-Core). Insulation resistance: ≥10MΩ (DC500V). Temperature rise: ≤30°C (rated load, resistance method measurement). Bobbin model: 2811 SK6. Material: Nylon 6/6. Weight:

This EI14 audio transformer is designed for audio signal transmission and telecom isolation applications. It is manufactured using high-quality materials and precision winding processes, ensuring stable signal transmission with high fidelity. The product features a robust and reliable structure and complies with UL1950 and EN60950 international safety standards, making it suitable for various communication and audio equipment. It is widely used in telephone systems, PABX

This EI19 custom audio transformer is designed for audio signal transmission and telecom isolation applications. It is manufactured using high-quality materials and precision winding processes, ensuring stable signal transmission with high fidelity. The product features a robust and reliable structure, suitable for various communication and audio equipment. It is widely used in telephone systems, PABX private branch exchanges, modems, SMD fax modems, multimedia audio

This audio transformer is designed for audio signal transmission and telecommunication applications. Frequency range covers 20Hz to 20kHz , with frequency response better than ±0.3dB , ensuring high-fidelity signal transmission. The product offers 600:600Ω impedance matching, meeting V.22 to V.90 modem data rate requirements. It uses nickel alloy PC50/PC80 laminated cores , with compact sizes from E-8 to E-25.4 . It also supports multiple core types including RM , EP , EPC ,