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Chống sét loại Y20

 
 
 
 
 
 
 

Y20 type arresters

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·This product is used for protection where large irregular current is encountered in the vicinity of railway signal circuits, and where high levels of reliability are required.
·Current withstand capacity is extremely large: 10/200μs - 10kA(8/20μs - 25kA)
·Capacitance is 5pF or less (1MHz)
·2-electrode type

RoHS compliant

[Dimensions] W7×φ20

 
 
 
Product characteristics
 
Type Y20-90 Y20-230 Y20-250 Y20-350
DC sparkover voltage 100V/s 90V±20V 230V±40V 250V±50V 350V±60V
Impulse sparkover voltage 10/200μs 3kV <=700V <=700V <=750V <=750V
AC discharge current 50A 0.1s
20times
50A 0.1s
20times
50A 0.1s
20times
50A 0.1s
20times
Impulse discharge current 10/200μs 10kA,1time 10kA,1time 10kA,1time 10kA,1time
Impulse life 10/200μs 500A 1,000times 500A 1,000times 500A 1,000times 500A 1,000times
Insulation resistance >=10,000MΩ
(DC 50V)
>=10,000MΩ
(DC 100V)
>=10,000MΩ
(DC 100V)
>=10,000MΩ
(DC 100V)
 
Type Y20-490 Y20-610 Y20-700 Y20-800
DC sparkover voltage 100V/s 490V±70V 610V±90V 700V±100V 800V±120V
Impulse sparkover voltage 10/200μs 3kV <=800V <=1,000V <=1,200V <=1,400V
AC discharge current 50A 0.1s
20times
50A 0.1s
20times
50A 0.1s
20times
50A 0.1s
20times
Impulse discharge current 10/200μs 10kA,1time 10kA,1time 10kA,1time 10kA,1time
Impulse life 10/200μs 400A 1,000times 500A 1,000times 500A 1,000times 500A 1,000times
Insulation resistance >=10,000MΩ
(DC 250V)
>=10,000MΩ
(DC 250V)
>=10,000MΩ
(DC 250V)
>=10,000MΩ
(DC 250V)
 
Type Y20-1100 Y20-1200 Y20-1300 Y20-1600
DC sparkover voltage 100V/s 1,100V±220V 1,200V±200V 1,300V±200V 1,600V+100V
-200V
Impulse sparkover voltage 10/200μs 3kV <=2,000V <=2,200V <=2,400V <=2,200V
AC discharge current 50A 0.1s
20times
50A 0.1s
20times
50A 0.1s
20times
25A 0.1s
20times
Impulse discharge current 10/200μs 10kA,1time - - -
Impulse life 10/200μs 500A 1,000times - - -
Insulation resistance >=10,000MΩ
(DC 250V)
>=10,000MΩ
(DC 250V)
>=10,000MΩ
(DC 250V)
>=10,000MΩ
(DC 250V)