7840

General Specifications

MAXIMUM LENGTH (INCH/MM) 4.50/114.3
MAXIMUM DIAMETER (INCH/MM) 1.38/34.9
GAS FILLING He + Organic
EFFECTIVE LENGTH (INCH/MM) 2.6/66.0
CATHODE MATERIAL (INTERNAL/EXTERNAL) 446 Stainless Steel
EFFECTIVE DIAMETER (INCH/MM) 1.13/28.6
CONNECTOR Jedec A4-9
OPERATING TEMPERATURE RANGE °C 0 to +40

Window Specifications

MATERIAL Mica
EFFECTIVE DIAMETER (INCH/MM) 1.13/28.6
AREAL DENSITY (MG/CM²) 1.5 - 2.0

Electrical Specifications

RECOMMENDED OPERATING VOLTAGE (VOLTS) 1400
RECOMMENDED ANODE RESISTOR (MEG OHM) 1
OPERATING VOLTAGE RANGE (VOLTS) 1300 - 1600
MAXIMUM PLATEAU SLOPE (%/100 VOLTS) 2
MINIMUM DEAD TIME (MICRO SEC) 150
GAMMA SENSITIVITY CO60 (CPS/MR/HR) 22
TUBE CAPACITANCE (PF) 3
WEIGHT (GRAMS) 150
MAXIMUM BACKGROUND SHIELDED 50MM PB + 3MM AL (CPM) 30
MAXIMUM STARTING VOLTAGE (VOLTS) 1250