|   | 
					  
						
							|  |  
							| P 
							base |  
				Octode for battery receivers 
				Introduced in 1935 
					
						
							| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | tc | base |  
							| m | f-,g6 | f+ | - | g2 | g1 | g3,g5 | a | g4 | P |  
						
							
								| 1 | 2 | 3 | 4 | 5 | 6 | 7 | tc | base |  
								| m,g6 | +f | -f | g3,g5 | g1 | g2 | a | g4 | C |    
					
						| Vf | Af | Va | Vs | Vg | mAa | mAs | ra | gm | Pdiss |  
						| 2 | 0.13 | 135 | 135 | 0 | 0.7 | 2.1 | 2,500,000 | 0.27 | 0.5 |  
				 
					
						| Equivalent | BMO61, CV3516,
						TKK2 |  |