7139

General Specifications

MAXIMUM LENGTH (INCH/MM) 1.86/47.2
MAXIMUM DIAMETER (INCH/MM) 0.49/12.85
GAS FILLING Ne +Halogen
EFFECTIVE LENGTH (INCH/MM) 1.1/27.9
CATHODE MATERIAL (INTERNAL/EXTERNAL) 446 Stainless Steel
EFFECTIVE DIAMETER (INCH/MM) 0.308/7.82
CONNECTOR Pin
OPERATING TEMPERATURE RANGE °C -10 to +75

Electrical Specifications

RECOMMENDED OPERATING VOLTAGE (VOLTS) 500
RECOMMENDED ANODE RESISTOR (MEG OHM) 3.3
OPERATING VOLTAGE RANGE (VOLTS) 450 - 650
MAXIMUM PLATEAU SLOPE (%/100 VOLTS) 8
MINIMUM DEAD TIME (MICRO SEC) 45
GAMMA SENSITIVITY CO60 (CPS/MR/HR) 7.5
TUBE CAPACITANCE (PF) 3
WEIGHT (GRAMS) 23
MAXIMUM BACKGROUND SHIELDED 50MM PB + 3MM AL (CPM) 4
MAXIMUM STARTING VOLTAGE (VOLTS) 380
MINIMUM ANODE RESISTOR (MEG OHM) 2.2

Filter Specifications

MATERIAL Sn
THICKNESS (INCH/MM) 0.08/2.0

Wall Specifications

THICKNESS (INCH/MM) 0.002/0.05
AREAL DENSITY (MG/CM²) 40