 | REN904 TRIODO DETECT. Y AMPLIFIC. DE BF |  Europeo | Vf=4V | If=1A | | Vp=200V | Ip=6mA | | Vg=-3,5V | ri=12,5K | | µ=30 | | | | |  |
| REN914 TRIODO DETECT. Y AMPLIFIC. DE BF |  Europeo | Vf=4V | If=1,2A | | Vp=200V | Ip=0,2mA | | Vg=-1,5V | ri=40K | | µ=100 | | | | |
| REN924 DIODO-TRIODO DETECT. Y AMPLIFIC. DE BF |  Europeo | Vf=4V | If=1A | | Vp=200V | Ip=6mA | | Vg=-3V | ri=16K | | µ=32 | | | | |
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