Parameters |
Factory Lead Time |
1 Week |
Mount |
PCB, Surface Mount |
Mounting Type |
Surface Mount |
Package / Case |
2917 (7343 Metric) |
Number of Pins |
2 |
Dielectric Material |
Tantalum |
Operating Temperature |
-55°C~125°C |
Packaging |
Cut Tape (CT) |
Published |
2005 |
Series |
T491 |
Size / Dimension |
0.287Lx0.169W 7.30mmx4.30mm |
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 |
Terminal Finish |
Matte Tin (Sn) - with Nickel (Ni) barrier |
Capacitance |
470μF |
Voltage - Rated DC |
4V |
Packing Method |
TR, 7 INCH |
Depth |
4.3mm |
Case Code (Metric) |
7343 |
Case Code (Imperial) |
2917 |
Lead Pitch |
3.6mm |
ESR (Equivalent Series Resistance) |
800mOhm |
Polarity |
Polar |
Voltage |
4V |
Lifetime @ Temp |
2000 Hrs @ 125°C |
Leakage Current |
18.8μA |
Life (Hours) |
2000 hours |
Tan Delta |
0.08 |
Dissipation Factor |
8 % |
Manufacturer Size Code |
D |
Height |
2.8mm |
Height Seated (Max) |
0.110 2.80mm |
Length |
7.3mm |
Radiation Hardening |
No |
RoHS Status |
ROHS3 Compliant |
Lead Free |
Lead Free |
T491D477K004AT Overview
A simple electronic circuit containing a resistor and an ideal (perfect) capacitor has an equivalent series resistance of 800mOhm, also referred to as internal resistance.This capacitor leaks 18.8μA current.When AC is applied through a capacitor, dissipation factor is measured as power loss, and this capacitor has a factor of 8 %.The Tan Delta test of insulating oil determines its quality by measuring its electrical dielectric properties.
T491D477K004AT Features
a leakage current of 18.8μA in this capacitor
the dissipation factor is 8 %
its tan delta is 0.08
T491D477K004AT Applications
There are a lot of KEMET T491D477K004AT applications of tantalum capacitors.
- Airbag systems
- Industrial
- Computer
- Telecom infrastructure
- General purpose
- Military / aerospace
- ABS
- Avionics,
- General purpose
- Industrial control units