Factory direct sale EI19 1:1 audio isolation transformer

Classified by working frequency:
Power frequency (low frequency) transformer, its working frequency is 50HZ or 60HZ;
Intermediate frequency transformer, its working frequency is 400~1000HZ;
Audio transformer, its working frequency is 20HZ~20KHZ
Super audio transformer, its working frequency is above 20KHZ, generally not more than 100KHZ
High frequency transformer, its working frequency is above 20HZ~100KHZ.
; according to the insulation level, it can be divided into A-class insulation transformers, E-class insulation transformers, B-class insulation transformers, and F-class insulation transformers. Transformers, H-class insulation transformers, etc.


Classification
1. Classified by working frequency:
Power frequency (low frequency) transformer, its working frequency is 50HZ or 60HZ;
Intermediate frequency transformer, its working frequency is 400~1000HZ;
Audio transformer, its working frequency is 20HZ~20KHZ
Super audio transformer, its working frequency is above 20KHZ, generally not more than 100KHZ
High frequency transformer, its working frequency is above 20HZ~100KHZ.
2. Classification by use:
Power transformers, audio transformers, pulse transformers, switching power transformers, special transformers
3. According to the iron core structure classification:
Shell-type transformers, such as EI type insert core transformers, F type;
Core-type transformers, such as R-type transformers;
Toroidal Transformer.
4. According to the number of phases:
Single-phase transformers, three-phase transformers, multi-cabin transformers.
5. According to the moisture-proof method:
Open transformers, sealed transformers, resin-encapsulated transformers.
6. Other ways to classify:
For example, according to the transformer coefficient, it can be boosted and stepped down; according to the number of groups, it can be divided into double-winding and multi-winding; according to the insulation level, it can be divided into A-class insulation transformers, E-class insulation transformers, B-class insulation transformers, and F-class insulation transformers. Transformers, H-class insulation transformers, etc.

GENREAL SPECIFICATION:
PATRNUMBER: EI19 soft feet 2+3
STORAGE TEMP RANGE: -45℃ TO +125℃
OPERATING TEMP RANGE: -40℃ TO +85℃
RELATIVE HUMITY RANGE: 5% TO 95%

ELECTRICAL SPECIFICATION:(25℃)

SCHEMATIC:

OUTOINE DIMENSION:UNIT:(mm)

Shenzhen Zhixiangyuan Electronics Co.,Ltd is a high tech enterprise, specializing in customizing various types of audio transformers, high frequency transformers, low frequency transformers，switching power transformers, toroidal inductors, choke coils, SMD power inductors, supper high current inductors and wireless charging coils ,etc for customers.

Founded in 2011,our factory have two production bases in Huizhou city,Guangdong province and Guang’an city,Sichuan province which can produce 120 million inductors and transformers that meet the environmental Protection requirements of ISO every year. Our company equips with fully automatic winding,soldering,assembling,testing machines,also some reliability test equipments.

Our products are certified by UL，FCC，CE，RoHS、Reach and granted with 20 patents.These achievements mainly come from our strong R and D team,providing solutions for temperature decreasing noise cancellation and coupled radiation conductivity.

The products are widely used in high quality audio equipments, audio conference room equipments，communication, medical electronic equipments, automotive electronics, sports and fitness equipments, beauty equipments，LED lighting，and consumer electronics etc.

We are committed to providing high quality coils, inductors, transformers and other products. We can also accept OEM and ODM orders. We sincerely welcome customers at domestic and oversea to visit and cooperate with us with high-quality products, preferential prices and excellent reputation.