Data set 01
1962 ITT
Published operating points and test conditions from this source.
Thyratron
Other
The [1]
3
The 3C45W is a unipotential cathode, three element hydrogen See outline drawing
The [2]
5
The 3C45W is a unipotential cathode, three element hydrogen See outline drawing
such service, it is suitable for producing pulse outputs of
55
such service, it is suitable for producing pulse outputs of 55
KW at an average power level of more than
65 kW
KW at an average power level of more than 65 watts.
Max. peak anode voltage, forward
3 V
Max. peak anode voltage, forward.... 3.0 Kilovolts
Min. anode supply voltage
300 V
Min. anode supply voltage.............. 300 Volts d.c.
Max. peak anode current
35 mA
Max. peak anode current............... 35 Amperes
Electrical Data, General Nom. Min. Max. Max. average anode current
45 mA
Electrical Data, General Nom. Min. Max. Max. average anode current............ 45 Milliamperes
Heater voltage [1]
63 V
Heater voltage.......................... ... 63 59 6.7 Volts a.c. Mox. RMS anode current (Note 3)..... 1.25 Amperes a.c.
Heater voltage [2]
59 V
Heater voltage.......................... ... 63 59 6.7 Volts a.c. Mox. RMS anode current (Note 3)..... 1.25 Amperes a.c.
Heater voltage [3]
6.7 V
Heater voltage.......................... ... 63 59 6.7 Volts a.c. Mox. RMS anode current (Note 3)..... 1.25 Amperes a.c.
Heater voltage [4]
3 V
Heater voltage.......................... ... 63 59 6.7 Volts a.c. Mox. RMS anode current (Note 3)..... 1.25 Amperes a.c.
Heater voltage [5]
1.25 V
Heater voltage.......................... ... 63 59 6.7 Volts a.c. Mox. RMS anode current (Note 3)..... 1.25 Amperes a.c.
Heater current. E,== [1]
6.3 mA
Heater current. E,==6.3 volts...... 2.2 2.7 Amperes Max. epy x ib x prr.._.._...._. 0.3x 107
Heater current. E,== [2]
2.2 mA
Heater current. E,==6.3 volts...... 2.2 2.7 Amperes Max. epy x ib x prr.._.._...._. 0.3x 107
Heater current. E,== [3]
2.7 mA
Heater current. E,==6.3 volts...... 2.2 2.7 Amperes Max. epy x ib x prr.._.._...._. 0.3x 107
Heater current. E,== [4]
0.3 mA
Heater current. E,==6.3 volts...... 2.2 2.7 Amperes Max. epy x ib x prr.._.._...._. 0.3x 107
Heater current. E,== [5]
107 mA
Heater current. E,==6.3 volts...... 2.2 2.7 Amperes Max. epy x ib x prr.._.._...._. 0.3x 107
Minimum heating time......_........_ [1]
3 mA
Minimum heating time......_........_.. 3 Minutes Max. anode current rate of rise........ 750 Amperes/usecond
Minimum heating time......_........_ [2]
750 mA
Minimum heating time......_........_.. 3 Minutes Max. anode current rate of rise........ 750 Amperes/usecond
Peak trigger voltage....................... Note
4 V
Peak trigger voltage....................... Note 4
Mechanical Data, General Max. peak inverse trigger voltage
200 V
Mechanical Data, General Max. peak inverse trigger voltage.... 200 Volts
Any Max. anode delay time (Note [1]
5
.. Any Max. anode delay time (Note 5)....... 0.6 Microsecond
Any Max. anode delay time (Note [2]
0.6
.. Any Max. anode delay time (Note 5)....... 0.6 Microsecond
BOSE. . Per outline Max. anode delay time drift
0.15
BOSE. . Per outline Max. anode delay time drift.. ... 0.15 Microsecond
Net Weight [1]
2.5
Net Weight ... 2.5 Ounces Ambient temperature............_._.... —50° to - 90° Cent.
Net Weight [2]
-50
Net Weight ... 2.5 Ounces Ambient temperature............_._.... —50° to - 90° Cent.
Net Weight [3]
90
Net Weight ... 2.5 Ounces Ambient temperature............_._.... —50° to - 90° Cent.
Typical Operation as Pulse Modulator, Note
4
Typical Operation as Pulse Modulator, Note 4
Peak network voltage
3 V
Peak network voltage.................... 3.0 Kilovolts with the tube removed should have the following character-
Pulse repetition rate
2500
Pulse repetition rate....................... 2500 Pulses/secand istics:
Pulse length [1]
0.5 V
Pulse length............................ 0.5 Microsecond A. Voltage......cooooooe..... 175-250 Volts
Pulse length [2]
175 V
Pulse length............................ 0.5 Microsecond A. Voltage......cooooooe..... 175-250 Volts
Pulse length [3]
-250 V
Pulse length............................ 0.5 Microsecond A. Voltage......cooooooe..... 175-250 Volts
Pulse forming network impedance [1]
45.2 us
Pulse forming network impedance.... 45.2 Ohms 8. Duration 2 Microseconds (at 70% points)
Pulse forming network impedance [2]
8 us
Pulse forming network impedance.... 45.2 Ohms 8. Duration 2 Microseconds (at 70% points)
Pulse forming network impedance [3]
2 us
Pulse forming network impedance.... 45.2 Ohms 8. Duration 2 Microseconds (at 70% points)
Pulse forming network impedance [4]
70 us
Pulse forming network impedance.... 45.2 Ohms 8. Duration 2 Microseconds (at 70% points)
Trigger voltage [1]
200 V
Trigger voltage............................ 200 Volts C. Source of impedance.. 1500 Ohms (max.)
Trigger voltage [2]
1500 V
Trigger voltage............................ 200 Volts C. Source of impedance.. 1500 Ohms (max.)
Peak power output (Resistive load D. Rate of rise
200 W
Peak power output (Resistive load D. Rate of rise................ 200 Volts/microsecond (min.)
Peak anode current
35 A
Peak anode current ... 35 Amperes The limits of anode time delay and anode time jitter are based
Average anode current
44 A
Average anode current ... ... .044 Amperes d.c. on the minimum trigger. Using the highest permissible trigger
The time of anode delay is measured between the
26
The time of anode delay is measured between the 26 percent
Note
2 V
Note 2 point on the rising portion of the unloaded grid voltage pulse
The peak inverse voltage should not exceed
1.5 kV
The peak inverse voltage should not exceed 1.5 KV during and the point at which evidence of anode conduction first
The root mean square anode current shall be computed as the Note
6 uA
The root mean square anode current shall be computed as the Note 6
square root of the product of the peak current and the Time jitter is measured at the
50 uA
square root of the product of the peak current and the Time jitter is measured at the 50 percent point on the anode
Published value
2
2. CATHODE MIN.
Published value
3
3. GRID
Published value
4
4. HEATER & CATHODE