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: <3g. Wire material: UL3321 Teflon (EN50306-2). Operating temperature: -25 to +125°C. Storage temperature: -25 to +85°C. It is widely used in audio systems, telecom isolation, modems, and SMD fax modems.
FEATURES
- RoHS Directive-compliant
- Widely used in audio systems
- Isolated telecommunication transformer
- SMD fax modem telecom transformers SMD
- Audio meets UL 1950 or EN60950 telecom transformer
Electrical specification
1. Impedance: Primary (Blk-Grn) /Z/ 8V+/-10%;
secondary (Blk-Yel) /Z/80V+/-10%
2. DCR: Secondary(Blk-Yel) 27.3V+/-10%@20℃
Primary(Blk-Grn) 0.83V+/-10%@20℃
3. Exciting current: Input Primary 3 V 1kHz, 395mA Max.(Blk—Grn).
4. Hi-Pot: AC 1.5kv 50Hz for one minute between Primary to secondary ＆core.
AC1.5kv 50Hz for one minute between core to secondary. (At an alternative potentials 20% higher may be applied for one second. Cut-off Current 1mA)
5. Insulation test: DC500VAC10MΩ min . Between windings and between windings & core.
6. Temperature rise: less than 30deg for rated load, Measured by, resistance method.
7. Bobbin type 2811 SK6,Material:Nylon 6/6 weight <3g
8. Wires: according to UL3321 TEFLON(EN50306-2)
9. Operating temperature:-25 to +125°C
10. Storage temperature: -25 to +85°C
Applications
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FAQ
Q: What does 8V:80V impedance mean?
A: 8V:80V indicates the voltage transformation ratio of the transformer. When the primary input is 8V, the secondary output is 80V (turns ratio approximately 1:10). This parameter corresponds to the transformer's impedance transformation function, used for audio signal voltage amplification or impedance matching.
Q: What are the advantages of Teflon wire (UL3321)?
A: Teflon wire (UL3321) offers excellent high-temperature resistance, chemical resistance, and insulation performance, ensuring electrical reliability and environmental adaptability of the transformer during long-term use.
Q: How to apply for samples? What is the lead time?
A: You can submit a sample application through our website or email. Please provide your company information and target model. Samples are free of charge and will be shipped within 3-5 working days. Mass order lead time is generally 2-8 weeks.
