3-electrode GDT
BM 150/20
BM 150/20
Part Number: 9297002
  • The smallest 3-electrode GDT
  • No radioactive
  • Used in connector blocks and adapted holders
  • SMD compatible
  • Available with fail safe

CITEL BM surge arresters are 3-electrode gas discharge tubes designed in ceramic technology and created to protect telecommunication or computer equipment, The reduced size of the BM series enables the implementation in limited space applications (small connector blocks...), SMD mounting (BM CMS type) or PCB mounting (with lead termination : BMS). BM could be provide with external fail-safe mechanism (BMC type) and is available in several DC sparkover voltages.

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Nominal discharge current In 10 kA
Total Maximal discharge current Imax Total 25 kA
Max. shunt capacitance C <0.5 pF
AC discharge current (50Hz) 10A
Insulation resistance ≥10 GOhms
Impulse sparkover voltage (1kV/µs) <640 V
DC sparkover voltage (100V/s) 120-180 V
Holdover voltage >80 V
Technology Gas discharge tube
Dimensions See diagram
Standards compliance UIT-T-K12 rec. / IEC 61643-311