Thyratron
"NL" part number prefix stands for "National Labs".
Electrical Data:
Heater Voltage ................................ 2.5 V
Heater Current ................................ 9.0 A
Characteristics and Typical Thyratron Operation:
Anode Voltage Drop ............................. 15 V
Maximum DC Cathode Current .................... 2.5 A
Maximum Peak Inverse Voltage ................. 1500 V
Maximum Peak Cathode Current ................... 30 A
Preferred Substitutes ..... 710L, NL-710L, 7509,
7518