Parameters |
Factory Lead Time |
1 Week |
Mount |
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 |
Tape & Reel (TR) |
Published |
2012 |
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 |
150μF |
Voltage - Rated DC |
4V |
Packing Method |
TR, 7 INCH |
Depth |
4.3mm |
Case Code (Metric) |
7343 |
Case Code (Imperial) |
2917 |
ESR (Equivalent Series Resistance) |
800mOhm |
Failure Rate |
0.001 % |
Polarity |
Polar |
Rated (DC) Voltage (URdc) |
4V |
Lifetime @ Temp |
2000 Hrs @ 125°C |
Leakage Current |
0.006mA |
Life (Hours) |
2000 hours |
Tan Delta |
0.08 |
Dissipation Factor |
0.8 % |
Manufacturer Size Code |
D |
Height |
3.1mm |
Height Seated (Max) |
0.122 3.10mm |
Length |
7.3mm |
Radiation Hardening |
No |
RoHS Status |
ROHS3 Compliant |
Lead Free |
Lead Free |
T491D157K004AT Overview
Equivalent series resistance (ESR), also known as internal resistance, is a value representing the loss of useful energy in a simple electronic circuit consisting of a resistor and an ideal (perfect) capacitor, and its resistance is 800mOhm.This capacitor leaks 0.006mA current.Dissipation factor is the amount of power lost by a capacitor when AC is applied through it, and this capacitor has dissipation factor 0.8 %.Insulating oil has a tan delta of 0.08 when it goes through an electric dielectric test to determine its quality.
T491D157K004AT Features
a leakage current of 0.006mA in this capacitor
the dissipation factor is 0.8 %
its tan delta is 0.08
T491D157K004AT Applications
There are a lot of KEMET T491D157K004AT applications of tantalum capacitors.
- Avionics / military / space
- Airbag systems
- Military / aerospace
- General purpose
- Industrial control units
- General low power DC/DC and LDO
- Automotive ECU
- Avionics,
- Industrial
- Computer