68 µF at 20 V — bulk decoupling or hold-up cap
The TPSE686K020R0150: Operating temperature spans -55°C to +125°C, covering the full industrial and military temperature range without derating at the high end.

KYOCERA AVX TPS series, Molded tantalum capacitor, TPSE686K020R0150, 68 µF, 20 V, ±10%, 150 mOhm ESR, 2917 (7343 Metric) case, size code E.
| Parameter | Value |
|---|---|
| Type | Molded |
| Series | TPS |
| Mounting | Surface Mount |
| ESR | 150mOhm |
| Voltage - rated | 20 V |
| Operating temperature | -55°C ~ 125°C |
| Size (Dimension) | 0.287\" L x 0.169\" W (7.30mm x 4.30mm) |
| Height - seated | 0.169\" (4.30mm) |
| Package | Tape & Reel (TR) Cut Tape (CT) |
| Features | General Purpose |
| Tolerance | ±10% |
| Capacitance | 68 µF |
| Case | 2917 (7343 Metric) |
| Manufacturer size code | E |
The TPSE686K020R0150: Operating temperature spans -55°C to +125°C, covering the full industrial and military temperature range without derating at the high end.
The ESR is 150 mOhm. This value determines the ripple current the capacitor can handle before self-heating exceeds the rated temperature — lower ESR means less output ripple in a switching regulator and lower I²R losses.