| Parameters | 
                                                                                                            
                                            | Factory Lead Time | 17 Weeks | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 2917 (7343 Metric) | 
                                                                            
                                            | Operating Temperature | -55°C~105°C | 
                                                                            
                                            | Packaging | Tape & Reel (TR) | 
                                                                            
                                            | Series | KO-CAP® T521 | 
                                                                            
                                            | Size / Dimension | 0.287Lx0.169W 7.30mmx4.30mm | 
                                                                            
                                            | Tolerance | ±20% | 
                                                                            
                                            | Feature | General Purpose | 
                                                                            
                                            | Part Status | Active | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 3 (168 Hours) | 
                                                                            
                                            | Type | Molded | 
                                                                            
                                            | Voltage - Rated | 20V | 
                                                                            
                                            | Capacitance | 150μF | 
                                                                            
                                            | ESR (Equivalent Series Resistance) | 50mOhm @ 100kHz | 
                                                                            
                                            | Lifetime @ Temp | 2000 Hrs @ 125°C | 
                                                                            
                                            | Manufacturer Size Code | D | 
                                                                            
                                            | Height Seated (Max) | 0.122 3.10mm | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                                                    
                            
                         
                                                T521D157M020ATE050 Overview
In order for ESR (Equivalent Series Resistance) to be as high as possible, it must remain at 50mOhm @ 100kHz.A 150μF capacitance is used to operate it.Voltage - Rated AC is -55°C~105°CV.With a voltage of 20V, high efficiency is possible.With a maximum seated height of 0.122 3.10mm°C, it is capable of stable operation.
T521D157M020ATE050 Features
a 50mOhm @ 100kHz ESR (Equivalent Series Resistance)
with a capacitance of 150μF
an AC voltage of -55°C~105°C
the voltage rating of 20V
T521D157M020ATE050 Applications
There are a lot of KEMET T521D157M020ATE050 applications of tantalum polymer capacitors. 
- Notebook
- Power supplies
- LCD TV
- Tablets 
- Smart phone