KYOCERA AVX TAJ series, molded tantalum capacitor, 150 µF ±10%, 4 V rated, 300 mOhm ESR, size C (2312 / 6032 metric), -55°C to 125°C, tape and reel.
| Parameter | Value |
|---|---|
| Type | Molded |
| Series | TAJ |
| Mounting | Surface Mount |
| ESR | 300mOhm |
| Voltage - rated | 4 V |
| Operating temperature | -55°C ~ 125°C |
| Size (Dimension) | 0.236\" L x 0.126\" W (6.00mm x 3.20mm) |
| Height - seated | 0.110\" (2.80mm) |
| Package | Tape & Reel (TR) |
| Features | General Purpose |
| Tolerance | ±10% |
| Capacitance | 150 µF |
| Case | 2312 (6032 Metric) |
| Manufacturer size code | C |
The TAJC157K004RNJ: The 300 mOhm ESR is the mid-range value for a size C tantalum; it sets the ripple current rating and self-heating budget for the application.
It can be deployed in avionics bays that see -55°C cold soak, in downhole logging tools that operate above 125°C ambient, and in satellite power buses where the thermal cycle is extreme.
The equivalent series resistance is 300 mOhm.
The T491C157K004 is a different series from KEMET. Both are 150 µF, 4 V, size C molded tantalums with ±10% tolerance, but the ESR and temperature range may differ. Confirm the ESR and operating temperature requirements of your design before substituting.