| Parameters | 
                                                                                                            
                                            | Factory Lead Time | 17 Weeks | 
                                                                            
                                            | Mount | Through Hole | 
                                                                            
                                            | Mounting Type | Through Hole | 
                                                                            
                                            | Package / Case | Axial, Can | 
                                                                            
                                            | Operating Temperature | -55°C~125°C | 
                                                                            
                                            | Packaging | Tray | 
                                                                            
                                            | Published | 2014 | 
                                                                            
                                            | Series | T551 | 
                                                                            
                                            | Size / Dimension | 0.312Diax0.641L 7.92mmx16.28mm | 
                                                                            
                                            | Tolerance | ±20% | 
                                                                            
                                            | Feature | General Purpose | 
                                                                            
                                            | Pbfree Code | yes | 
                                                                            
                                            | Part Status | Active | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | Type | Hermetically Sealed | 
                                                                            
                                            | Voltage - Rated | 50V | 
                                                                            
                                            | Capacitance | 120μF | 
                                                                            
                                            | ESR (Equivalent Series Resistance) | 90mOhm @ 100kHz | 
                                                                            
                                            | Lifetime @ Temp | 2000 Hrs @ 85°C | 
                                                                            
                                            | Life (Hours) | 2000 hours | 
                                                                            
                                            | Manufacturer Size Code | B | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                                                    
                            
                         
                                                T551B127M050AH4251 Overview
In order to maintain high efficiency, the ESR (Equivalent Series Resistance) should remain at 90mOhm @ 100kHz.Capacitance is 120μF when it operates.There is a voltage of -55°C~125°C on the AC rated power supply.The voltage - Rated of 50V allows for high efficiency.
T551B127M050AH4251 Features
a 90mOhm @ 100kHz ESR (Equivalent Series Resistance)
with a capacitance of 120μF
an AC voltage of -55°C~125°C
the voltage rating of 50V
T551B127M050AH4251 Applications
There are a lot of KEMET T551B127M050AH4251 applications of tantalum polymer capacitors. 
- Tablets 
- Power supplies
- Notebook
- LCD TV
- Smart phone