Parameters |
Factory Lead Time |
1 Week |
Mount |
PCB, Surface Mount |
Mounting Type |
Surface Mount |
Package / Case |
1411 (3528 Metric) |
Number of Pins |
2 |
Dielectric Material |
Tantalum |
Operating Temperature |
-55°C~125°C |
Packaging |
Cut Tape (CT) |
Published |
2005 |
Series |
T491 |
Size / Dimension |
0.138Lx0.110W 3.50mmx2.80mm |
Tolerance |
±10% |
JESD-609 Code |
e3 |
Feature |
General Purpose |
Pbfree Code |
yes |
Part Status |
Active |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
2 |
Termination |
SMD/SMT |
ECCN Code |
EAR99 |
Type |
Molded |
Additional Feature |
ESR AND RIPPLE CURRENT IS MEASURED AT 100KHZ |
Capacitance |
6.8μF |
Voltage - Rated DC |
20V |
Depth |
2.8mm |
Case Code (Metric) |
3528 |
Case Code (Imperial) |
1411 |
Lead Pitch |
1.9mm |
ESR (Equivalent Series Resistance) |
2.5Ohm |
Polarity |
Polar |
Voltage |
20V |
Lifetime @ Temp |
2000 Hrs @ 125°C |
Leakage Current |
1.4μA |
Life (Hours) |
2000 hours |
Tan Delta |
0.06 |
Dissipation Factor |
6 % |
Manufacturer Size Code |
B |
Height |
1.9mm |
Height Seated (Max) |
0.083 2.10mm |
Length |
3.5mm |
REACH SVHC |
No SVHC |
RoHS Status |
ROHS3 Compliant |
Lead Free |
Lead Free |
T491B685K020AT Overview
A series resistance (ESR), also known as internal resistance, measures the loss of useful energy in a simple electronic circuit with a resistor and an ideal (perfect) capacitor, and its resistance is 2.5Ohm.1.4μA is the leakage current of this capacitor.The dissipation factor of a capacitor is the power loss when AC is applied through the capacitor, and this capacitor's factor is 6 %.The tan delta of the insulating oil is 0.06 based on its electrical dielectric test.
T491B685K020AT Features
a leakage current of 1.4μA in this capacitor
the dissipation factor is 6 %
its tan delta is 0.06
T491B685K020AT Applications
There are a lot of KEMET T491B685K020AT applications of tantalum capacitors.
- General purpose
- Automotive ECU
- General purpose
- Avionics / military / space
- Computer
- Telecom infrastructure
- ABS
- Industrial control units
- Consumer
- General low power DC/DC and LDO