Voltage Regulator ·VoltageRegulator
Long-life subminiature cold-cathode reference tube providing approximately 81 V for regulated supplies, DC amplifiers, and oscilloscope calibrators.
Subminiature cold-cathode voltage reference tube for stable regulated power supplies, DC amplifiers, and oscilloscope calibrators; specified for minimum 30,000-hour life.
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
1 physical section, each with unique specifications.
Section 1
Gas-discharge device.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Starting voltage minimum
115 V
Operating cathode current minimum
0.5 mA
Operating cathode current maximum
3.5 mA
Operating voltage typical
82 V
At 2 mA
AC resistance maximum
500 ohm
At 2 mA, 1000 cps
Data set 02
Published operating points and test conditions from this source.
Maintaining voltage
81 V
Incremental resistance
200 ohm
Ignition/striking voltage
115 V
Data set 03
Published operating points and test conditions from this source.
Subminiature 81 volts, long life, shock and vibration resistant, gas
81
Subminiature 81 volts, long life, shock and vibration resistant, gas
Preferred cathode current
3.2
Preferred cathode current Ix = 3.2mA
Incremental resistance
200
Incremental resistance rag = 200
Thermal equilibrium is reached within 2 minutes after ignition of the
2
Thermal equilibrium is reached within 2 minutes after ignition of the
Ignition voltage
115
Ignition voltage Vign < 115V
Maintaining voltage at Ij = 3.2 mA
3.2 mA
Maintaining voltage at Ij = 3.2 mA Vay, < ggé x
Incremental resistance at Iy = 3.2 mA
400 mA
Incremental resistance at Iy = 3.2 mA Ty < 400 Q
Voltage jumps at [ = 2 to 4 mA
1 mA
Voltage jumps at [ = 2 to 4 mA Vay < 100mV 1y
Vibration noise voltage at Iy = 3.2 mA,
3.2 mA
Vibration noise voltage at Iy = 3.2 mA,
voltage at Iy = 3.2 mA
3.2 mA
voltage at Iy = 3.2 mA
1) To avoid voltage jumps over life, current variations around the
1
1) To avoid voltage jumps over life, current variations around the
preferred current should be limited to 0.3 mA.
2414 mA
preferred current should be limited to 0.3 mA. 772 2414
Shock resistance
500
Shock resistance 500 g
Vibration resistance
2.5
Vibration resistance 2.5 g peak
Vibrational forces for a period of 32 hours at a frequency of 50 ¢/s
50 a
Vibrational forces for a period of 32 hours at a frequency of 50 ¢/s
Cathode current
221
Cathode current i}: : :?r}:.' ‘218 221)
Voltage necessary for ignition
120 v
Voltage necessary for ignition Vy = min. 120 v
between 2 and 8 mA voltage jumps of 0.5 V may occur.
0.5 mA
between 2 and 8 mA voltage jumps of 0.5 V may occur.
The tube may be dip-soldered at a solder temperature of max. 2400C
2400 a
The tube may be dip-soldered at a solder temperature of max. 2400C
duration 20 sec.
20 mA
duration 20 sec. Ikp = max. 20 mA
Peak negative anode voltage
100
Peak negative anode voltage ~Vap = max. 100 Vv
1) For use as a stabilizer tube Ix = max. 8 mA. At cathode currents
8 a
1) For use as a stabilizer tube Ix = max. 8 mA. At cathode currents