Singal Phase Signal Isolator
EMI filters protect sensitive electronics from damage caused by high levels of radiation emitted by other electronic equipment. They extract unwanted current conducted through wiring or cables that can interfere with signal and power lines, while allowing desirable currents to flow without restriction.
Product Advantage
- Operating temperature range: -25℃ to +70℃ (including temperature rise)
- Rated current: 40Arms;
- Rated voltage: 250Vac;
- Rated frequency: 50/60Hz;
- Rated temperature: 40℃
- Climate category: 25/085/21
Product Parameters
| Parameter | Terminal | Specification | Test Condition | Test Equipment |
| Insertion Loss(dB) | L&N(input)—L&N(output) |
-60dBMax |
500KHz~1MHz |
NETWORK ANALYZER HP4395OR EQUIVALNET |
|
-65dBMax |
1MHz~12MHz |
|||
|
-20dBMax |
12MHz~100MHz |
|||
| Hipot | L—N |
DC1075V1min ORDC1290V, 1s |
3mA | TH9310OR EQUIVALNET |
| Insulation Resistance | L—N | 2000 MΩ Min, 60s | 100VDC | SE7430OR EQUIVALNET |
Note: The above test data is for PCBA (without electronic wires).
Dimensions

Note: Do not connect 'L' (live wire) and 'N' (neutral wire) incorrectly to avoid affecting the normal operation of the product.
Insertion Loss Test Curve TYP Value

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FAQ
1. What is a Single Phase Signal Isolator with EMI Filter used for?
A Single Phase Signal Isolator with EMI Filter is designed to isolate electrical signals while suppressing electromagnetic interference (EMI). It ensures stable and accurate signal transmission in PLC lighting systems, industrial automation, and smart building control applications.



