22 µF, 16 V, 375 mOhm — the bulk decoupling fit
The TPSC226K016H0375: This is a 22 µF molded tantalum capacitor rated at 16 V with a 375 mOhm ESR — the ESR is the number that matters for ripple current handling in a DC-DC converter output.

KYOCERA AVX TPS series, Molded, 22 µF, 16 V, ±10%, 375 mOhm ESR, -55°C to 125°C, 2312 (6032 Metric), Surface Mount, Tape & Reel
| Parameter | Value |
|---|---|
| Type | Molded |
| Series | TPS |
| Mounting | Surface Mount |
| ESR | 375mOhm |
| Voltage - rated | 16 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 | 22 µF |
| Case | 2312 (6032 Metric) |
| Manufacturer size code | C |
The TPSC226K016H0375: This is a 22 µF molded tantalum capacitor rated at 16 V with a 375 mOhm ESR — the ESR is the number that matters for ripple current handling in a DC-DC converter output.
Required for regulatory compliance in many regions.
Critical for BOM costing and budget planning.
Immediate need to avoid production delays.
Determines suitability for harsh environments.
To find alternative sources if primary is unavailable.
Essential for supply chain planning.