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AC 220V power port lightning strikes 1-5KA protection solution at high temperature (125 ℃ )

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AC 220V power port lightning strikes 1-5KA protection solution at high temperature (125 ℃ )

2024-05-27 16:18:21

Scheme circuit diagram

abuy

The protection scheme provided by TDK EPCOS Electronics as shown above does not constitute a complete circuit design. Customers also need to verify the performance of actual complete circuits in their specific applications.

Scheme advantage:
1.Includes differential mode and common mode protection.
2.Meet the lightning strike 8/20us waveform 3~5KA protection requirements, SNF series products operating temperature up to 125 ℃ without performance attenuation.

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Products used in the solution:

Product Series

Technical Parameters

Features

Ordering Code

Surge Arrester

EC600X

Nominal DC sparkover voltage VsdcN: 540... 720V
Impulse breakdown voltage:
Measured value @100 V/us 99%<1200 V
Measured value @1 kV/us 99%<1300 V
Service life:
Operate 10 times (8/20 us)5 KA
Operation 10 times (50 Hz,1s)10 A
Capacitance@1 MHz: <1 pF

1.High current handling capacity
2.Rapid response  
3.Low capacitance
4.High insulation impedance
5.RoHS certification

B88069X0780S102

EF470X

Nominal DC sparkover voltage VsdcN: 400... 588V
Impulse breakdown voltage:
Measured value @100 V/us 99%<700 V
Measured value @1 kV/us 99%<800 V
Service life:
Operate 10 times (8/20 us)5 KA
Operation 10 times (50 Hz,1s)5 A
Capacitance@1 MHz : <1.5 pF

B88069X5080****

Varistor

SNF14K385

VRMS: 385 V;VDC:505 V
lmax (8/20μs):6000 A
Wmax (2 ms) : 165.0 J
Pmax: 0.60 W

1.Tested to the automotive industry standard AEC-Q 200
2.High operating temperature (up to 125 °C)
3.Strong resistance to alternating temperature shock and high temperature and humidity tolerance

B72214U2381K50*

SNF14K420

VRMS: 420 V;VDC:560 V
lmax (8/20μs):6000 A
Wmax (2 ms) : 190.0 J
Pmax: 0.60 W

B72214U2421K50*

SNF20K385E3

VRMS: 385 V;VDC:505 V
lmax (8/20μs):12000 A
Wmax (2 ms) : 370.0 J
Pmax: 1.00 W

B72220U3381K501

SNF20K420S3

VRMS: 420 V;VDC:560 V
lmax (8/20μs):8000 A
Wmax (2 ms) : 175.0 J
Pmax: 1.00 W

B72220U0421K301

Contact us directly for more protection options.