keyword 2-pole threaded DC discharge starting voltage 1200V
Product Info Product name: Y49-1200L
Item code: 11009561

Mounted between the neutral line and ground of the communication circuit board and power supply circuit of the 2-pole arrester (GDT) communication device, and used to protect the device from induced voltage and TOV (temporary overvoltage) induced in the line to do.

Main applications

  • Various electronic devices
  • Communication line protection
  • AC power supplies
  • Inverters
  • Low capacitance
  • Broadband compatible
  • Excellent heat and mechanical shock due to use of ceramic envelope
  • Excellent current withstand capability and temperature environment characteristics of repeated surge
Dimensions  (Unit: mm)
item conditions Performance
DC discharge start voltage 500 V / s 1200 V ± 200 V
Impulse discharge start voltage 10/200 μs, 3 kV 2800 V or less
Insulation resistance DC 250 V 100 MΩ or more
Holdover voltage

DC 60 V, 200 mA

10/200 μs, 200 A

Within 150 ms
Capacitance 1 MHz 10 pF or less
AC repetitive current capacity AC 1000 A, 0.3 s (10 minute intervals) 10 times
AC service life AC 1000 A, 0.3 s (10 minute intervals) 50 times
Maximum AC current capacity AC 5000A, 0.1 s * Once
mass - Approx. 300 g

 * Discharge without cracks or short circuit of electrodes in the ceramic part.

Notes on use

When using this product for AC power, be sure to use it together with a varistor.

If the arrester is used alone, a follow current may occur.

We also have AV series (2 poles) and AV3P series (3 poles) with arresters and varistors integrated.