| Parameters | 
                                                                                                            
                                            | HTS Code | 8532.21.0050 | 
                                                                            
                                            | Capacitance | 0.68μF | 
                                                                            
                                            | ESR (Equivalent Series Resistance) | 200mOhm @ 100kHz | 
                                                                            
                                            | Lifetime @ Temp | 2000 Hrs @ 125°C | 
                                                                            
                                            | Manufacturer Size Code | B | 
                                                                            
                                            | Height Seated (Max) | 0.083 2.10mm | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                            
                                            | Factory Lead Time | 17 Weeks | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 1411 (3528 Metric) | 
                                                                            
                                            | Dielectric Material | TANTALUM (SOLID POLYMER) | 
                                                                            
                                            | Operating Temperature | -55°C~105°C | 
                                                                            
                                            | Packaging | Tape & Reel (TR) | 
                                                                            
                                            | Series | KO-CAP® T521 | 
                                                                            
                                            | Size / Dimension | 0.138Lx0.110W 3.50mmx2.80mm | 
                                                                            
                                            | Tolerance | ±20% | 
                                                                            
                                            | Feature | General Purpose | 
                                                                            
                                            | Pbfree Code | yes | 
                                                                            
                                            | Part Status | Active | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 3 (168 Hours) | 
                                                                            
                                            | Number of Terminations | 2 | 
                                                                            
                                            | ECCN Code | EAR99 | 
                                                                            
                                            | Type | Molded | 
                                                                            
                                            | Voltage - Rated | 63V | 
                                                                                                    
                            
                         
                                                T521B684M063ATE2007280 Overview
For optimum efficiency, keep the ESR (Equivalent Series Resistance) at 200mOhm @ 100kHz.0.68μF is the capacitance of the device.This device operates on a voltage of -55°C~105°C Volts AC rated.Voltage is rated at 63V which allows for high efficiency.Operating at [0.083 2.10mm°C]°C seated height makes it stable.
T521B684M063ATE2007280 Features
a 200mOhm @ 100kHz ESR (Equivalent Series Resistance)
with a capacitance of 0.68μF
an AC voltage of -55°C~105°C
the voltage rating of 63V
T521B684M063ATE2007280 Applications
There are a lot of KEMET T521B684M063ATE2007280 applications of tantalum polymer capacitors. 
- Smart phone
- Tablets 
- LCD TV
- Notebook
- Power supplies