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				 Output pentode 
				 Introduced in 1929 
				  
				
					
						| 1 | 2 | 3 | 4 | 5/sc | base |  
						| f | a | f | g1 | g2 | B4/B5 |    
					
						| Vf | Af | Va | Vs | Vg | mAa | mAs | ra | gm | Pout | Pdiss |  
						| 4 | 0.15 | 250 | 80 | -12 | 12 | 2.4 | 50,000 | 2 | 1.12 | 3 |    
					
						| Equivalent | 2-443,
						B443, D100, 
						DX3, L43, L415D, L506,  M704, M1004, PM24,
								R79, 
						RES174, RO4243, TU415, W443 |  |  |  |