| Photo | Mfr. Part # | Availability | Quantity | Datasheet | Series | Package/Case | Packaging | Product Status | Transistor Type | Voltage - Collector Emitter Breakdown (Max) | Frequency - Transition | Noise Figure (dB Typ @ f) | Gain | Power - Max | DC Current Gain (hFE) (Min) @ Ic, Vce | Current - Collector (Ic) (Max) | Operating Temperature | Grade | Qualification | Mounting Type | Supplier Device Package | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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                    MRF581GRF TRANS NPN 18V 5GHZ MICRO X Microsemi Corporation  |  
                0 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                - | Micro-X ceramic (84C) | Bulk | Obsolete | NPN | 18V | 5GHz | 3dB ~ 3.5dB @ 500MHz | 13dB ~ 15.5dB | 1.25W | 50 @ 50mA, 5V | 200mA | 150°C (TJ) | - | - | Surface Mount | Micro-X ceramic (84C) | 
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                 | 
				
                    MRF559GRF TRANS NPN 16V 870MHZ MICRO X Microsemi Corporation  |  
                0 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                - | Micro-X ceramic (84C) | Bulk | Obsolete | NPN | 16V | 870MHz | - | 9.5dB | 2W | 30 @ 50mA, 10V | 150mA | - | - | - | Surface Mount | Micro-X ceramic (84C) | 
                 
                 
                
                 | 
				
                    MRF4427RF TRANS NPN 20V 8SO Microsemi Corporation  |  
                0 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                - | 8-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | NPN | 20V | - | - | 20dB | 1.5W | 10 @ 10mA, 5V | 400mA | - | - | - | Surface Mount | 8-SOIC | 
                 
                 
                
                 | 
				
                    MRF4427GRF TRANS NPN 20V 8SO Microsemi Corporation  |  
                0 | 
                
                     | 
                  
                  
                     -  | 	
                
                - | 8-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | NPN | 20V | - | - | 20dB | 1.5W | 10 @ 10mA, 5V | 400mA | - | - | - | Surface Mount | 8-SOIC | 
                 
                 
                
                 | 
				
                    MRF4427GR1RF TRANS NPN 20V 8SO Microsemi Corporation  |  
                0 | 
                
                     | 
                  
                  
                     -  | 	
                
                - | 8-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | NPN | 20V | - | - | 20dB | 1.5W | 10 @ 10mA, 5V | 400mA | - | - | - | Surface Mount | 8-SOIC | 
                 
                 
                
                 | 
				
                    MRF4427GR2RF TRANS NPN 20V 8SO Microsemi Corporation  |  
                0 | 
                
                     | 
                  
                  
                     -  | 	
                
                - | 8-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | NPN | 20V | - | - | 20dB | 1.5W | 10 @ 10mA, 5V | 400mA | - | - | - | Surface Mount | 8-SOIC | 
                 
                 
                
                 | 
				
                    MRF4427R1RF TRANS NPN 20V 8DBGA Microsemi Corporation  |  
                0 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                - | 8-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | NPN | 20V | - | - | 20dB | 1.5W | 10 @ 10mA, 5V | 400mA | - | - | - | Surface Mount | 8-SOIC | 
                 
                 
                
                 | 
				
                    MRF4427R2RF TRANS NPN 20V 8SO Microsemi Corporation  |  
                0 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                - | 8-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | NPN | 20V | - | - | 20dB | 1.5W | 10 @ 10mA, 5V | 400mA | - | - | - | Surface Mount | 8-SOIC | 
| 
                 
                 | 
				
                    MRF581RF TRANS NPN 18V 5GHZ MICRO X Microsemi Corporation  |  
                0 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                - | Micro-X ceramic (84C) | Bulk | Obsolete | NPN | 18V | 5GHz | 3dB ~ 3.5dB @ 500MHz | 13dB ~ 15.5dB | 1.25W | 50 @ 50mA, 5V | 200mA | 150°C (TJ) | - | - | Surface Mount | Micro-X ceramic (84C) | 
                 
                 
                
                 | 
				
                    MRF5812RF TRANS NPN 15V 5GHZ 8SOIC Microsemi Corporation  |  
                0 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                - | 8-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | NPN | 15V | 5GHz | 2dB ~ 3dB @ 500MHz | 13dB ~ 15.5dB | 1.25W | 50 @ 50mA, 5V | 200mA | - | - | - | Surface Mount | 8-SOIC |