| Model: | 3CX2500F3 |
|---|---|
| Brand: | made in China |
| Origin: | Made In China |
| Category: | Electronics & Electricity / Electronic Components / Electronic Tube |
| Label: | 3CX2500F3 , electron tube , ceramic tube |
| Price: |
¥3200
/ pc
|
| Min. Order: | 1 pc |
| Last Online:20 May, 2024 |
The 3CX2500F3 and 3CX2500H3 are metal-ceramic sealed, forced air-cooled triodes with thoriated tungsten carbide cathode, used in industrial radio frequency heating equipment. Max. working frequency is 75MHz, and Max. anode dissipation power 4kw.
Specifications:
Filament Voltage……7.5V
Filament Current (at 7V)……51.5A
Transconductance……11mA/V
Amplification Factor……22
Interelectrode Capacitances (Grounded-cathode)
Input……35pF Feedback……0.9pF Output……20Pf
Installation……upright
Cooling……forced air
Diameter……105.56mm
Weight……2.8kg
Temperature at anode shell and seals……250℃
Maximum ratings (audio power amplifier or class AB or class B modulator):
Anode Voltage……6kV dc
Anode Current……2.5A dc
Grid Voltage……-1000Vdc
Anode Dissipation……4kW
Grid Dissipation……150W
Typical conditions (dual tubes, unless specified otherwise, sine wave)
|
Anode Voltage |
4000 |
5000 |
6000Vdc |
|
Grid Voltage |
-150 |
-190 |
-240Vdc |
|
Zero Signal Anode Current |
0.6 |
0.5 |
0.4Adc |
|
Signal Anode Current |
4.0 |
3.2 |
3.0Adc |
|
Anode Load |
2200 |
3600 |
4650Ω |
|
Audio Grid Input (single) |
340 |
360 |
390V |
|
signal peak drive |
340 |
230 |
225W |
|
Signal Nominal drive |
170 |
115 |
113W |
|
Signal Anode Output |
11 |
11 |
23kW |
Maximum ratings (Anode Modulated RF Amplifier Class C, Telephone Talking State):
Anode Voltage……5500V dc
Anode Current……2.0A dc
Grid Voltage……-1000Vdc
Anode Dissipation……2670W
Grid Dissipation……150W
Typical conditions (＜30MHz)
|
Anode Voltage |
4000 |
4500 |
5000Vdc |
|
Anode Current |
1.67 |
1.47 |
1.25Adc |
|
Grid Voltage |
-450 |
-500 |
-550Vdc |
|
Grid Current |
180 |
140 |
150mAdc |
|
Peak RF Grid Input |
685 |
715 |
760 |
|
Driving Power |
125 |
100 |
115 W |
|
Grid Dissipation |
43 |
30 |
32 W |
|
Anode Input |
6670 |
6615 |
6250 W |
|
Anode Dissipation |
1670 |
1315 |
950 W |
|
Anode Output |
5000 |
5300 |
5300 W |
Maximum ratings(RF power amplifier or modulator):
Anode Voltage……6000Vdc
Anode Current……2.5Adc
Grid Voltage……-1000Vdc
Grid Current……0.4Adc
Grid Dissipation……150W
Anode Dissipation……4000W
Typical conditions (＜30MHz)
|
Anode Voltage |
4000 |
4500 |
5000Vdc |
|
Anode Current |
2.5 |
2.5 |
2.08Adc |
|
Grid Voltage |
-300 |
-450 |
-500Vdc |
|
Grid Current |
245 |
265 |
180mAdc |
|
Peak RF Grid Input |
580 |
750 |
765 |
|
Driving Power |
142 |
197 |
136W |
|
Grid Dissipation |
68 |
78 |
46W |
|
Anode Input |
10 |
12.5 |
12.5kW |
|
Anode Output |
7.5 |
10 |
10kW |
|
Anode Dissipation |
2.5 |
2.5 |
2.5kW |
