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                            Describe
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                            Supplier model
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                            Manufacturer
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                            Instruction
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                            Stock
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                                        BCW71 NPN Transistors(BJT) 50V 100mA/0.1A 300MHz 110~220 210mV/0.21V SOT-23/SC-59 marking K1 generalswitch and  amplifier 
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                                        BCW71
                                     
                                    Mark:K1 
                                        Package:SOT-23/SC-59
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                                    HUABAN
                                 | 
                                
                                    Lot number:05+ 
                                    03+
                                 | 
                                
                                    
                                        0 
                                    
                                        10Minimum
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                                | 
                                    
                                        BCW72LT1 NPN Transistors(BJT) 50V 100mA/0.1A 300MHz 200~450 210mV/0.21V SOT-23/SC-59 marking K2 
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                                        BCW72LT1
                                     
                                    Mark:K2 
                                        Package:SOT-23/SC-59
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                                    HUABAN
                                 | 
                                
                                    Lot number:05+ 
                                    
                                 | 
                                
                                    
                                        18 
                                    
                                        10Minimum
                                 | 
                            
                        
                            
                                | 
                                    
                                        BCX18 PNP transistors(BJT) -30V -500mA/-0.5A 80MHz 100~600 -620mV/-0.62V SOT-23/SC-59 marking T2 switch/ driver 
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                                        BCX18
                                     
                                    Mark:T2 
                                        Package:SOT-23/SC-59
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                                    HUABAN
                                 | 
                                
                                    Lot number:05+ 
                                    06+NOPB
                                 | 
                                
                                    
                                        3500 
                                    
                                        10Minimum
                                 | 
                            
                        
                            
                                | 
                                    
                                        BCX18LT1 PNP transistors(BJT) -30V -500mA/-0.5A 100~600 -620mV/-0.62V SOT-23/SC-59 marking T2 
                                 | 
                                
                                    
                                        BCX18LT1
                                     
                                    Mark:T2 
                                        Package:SOT-23/SC-59
                                 | 
                                
                                    HUABAN
                                 | 
                                
                                    Lot number:05+ 
                                    05+
                                 | 
                                
                                    
                                        10200 
                                    
                                        10Minimum
                                 | 
                            
                        
                            
                                | 
                                    
                                        BCX19 NPN Transistors(BJT) 50V 500mA/0.5A 100MHz 100~600 620mV/0.62V SOT-23/SC-59/SMT3 marking GU1 saturated switch and driver 
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                                        BCX19
                                     
                                    Mark:GU1 
                                        Package:SOT-23/SC-59/SMT3
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                                    HUABAN
                                 | 
                                
                                    Lot number:05+ 
                                    
                                 | 
                                
                                    
                                        1800 
                                    
                                        10Minimum
                                 | 
                            
                        
                            
                                | 
                                    
                                        BCX19 NPN Transistors(BJT) 50V 500mA/0.5A 100MHz 100~600 620mV/0.62V SOT-23/SC-59 marking U1 saturated switch and driver 
                                 | 
                                
                                    
                                        BCX19
                                     
                                    Mark:U1 
                                        Package:SOT-23/SC-59
                                 | 
                                
                                    HUABAN
                                 | 
                                
                                    Lot number:05 
                                    05+
                                 | 
                                
                                    
                                        1800 
                                    
                                        10Minimum
                                 | 
                            
                        
                            
                                | 
                                    
                                        BCX19LT1 NPN Transistors(BJT) 50V 500mA/0.5A 100~600 620mV/0.62V SOT-23/SC-59 marking U1 
                                 | 
                                
                                    
                                        BCX19LT1
                                     
                                    Mark:U1 
                                        Package:SOT-23/SC-59
                                 | 
                                
                                    HUABAN
                                 | 
                                
                                    Lot number:05+ 
                                    
                                 | 
                                
                                    
                                        520 
                                    
                                        10Minimum
                                 | 
                            
                        
                            
                                | 
                                    
                                        BCX19TA NPN Transistors(BJT) 50V 500mA/0.5A 200MHz 100~600 620mV/0.62V SOT-23/SC-59 marking U1 
                                 | 
                                
                                    
                                        BCX19TA
                                     
                                    Mark:U1 
                                        Package:SOT-23/SC-59
                                 | 
                                
                                    HUABAN
                                 | 
                                
                                    Lot number:04+ 
                                    04+
                                 | 
                                
                                    
                                        3000 
                                    
                                        10Minimum
                                 |