330UF SMD 6240k Polymer Tantalum Capacitor (KO-CAP) for Hashboard
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330µF 2.5V SMD Polymer Tantalum Capacitor for Hashboard Domain Rail Repair
This 330µF 2.5VDC SMD polymer tantalum capacitor (KO-CAP family, marking 2R5TPE330MCC2, series T520) is the high-performance filter cap used on the low-voltage domain rails of ASIC hashboards. With its 12mΩ ESR, 3.5A ripple current handling and -55°C to +105°C operating range, it's specifically built for high-current, low-voltage filtering on PMIC output stages and voltage domains.
Failed 330µF/2.5V tantalum caps on a hashboard show up as shorted-to-ground readings, ripple-driven chain instability or PMIC shutdown. Replacing them brings the affected domain back into clean DC.
Specifications
| Parameter | Value |
|---|---|
| Part marking | 2R5TPE330MCC2 |
| Series | T520 |
| Condition | New |
| Product type | Polymer tantalum capacitor (KO-CAP) |
| Termination style | SMD |
| Capacitance | 330µF |
| Voltage rating DC | 2.5VDC |
| Tolerance | ±20% |
| ESR | 12mΩ |
| Ripple current | 3500mA |
| Dissipation factor (DF) | 8 |
| Leakage current | 82.5µA |
| Case code (in) | 2312 |
| Case code (mm) | 6032 (L Case) |
| Dimensions | Length 6mm x Width 3.2mm x Height 1.8mm |
| Operating temperature | -55°C to +105°C |
| Unit weight | 300mg |
| Factory pack quantity | 1000pcs |
| Moisture sensitive | Yes |
Where the 330µF 2.5V SMD tantalum cap sits on a hashboard
The 6240 (6032 mm) footprint sits on the low-voltage domain rails between the PMIC output and the ASIC chain. The 2.5V rating fits the typical sub-1V to 2V ASIC domain voltages with safe headroom. The 12mΩ ESR and 3.5A ripple-current rating let it sink the high-frequency switching noise from the buck regulators without itself heating up.
Compatibility
Replacement cap for the 330µF/2.5V SMD tantalum slots on Antminer L3+ and other Bitmain / Whatsminer hashboards using the same 6032 mm footprint. Confirm the silkscreen part value and case size before reflow. Pair with the 47µF/63V aluminum electrolytic and 1000µF/16V cap on a full hashboard rework.
Common failure symptoms
- Tantalum cap shorted to ground — pulls the domain rail down at start-up
- Visible darkening or charring on the cap body after a thermal event
- Chain drops out under load with ripple-driven chip-frequency errors
- PMIC running hot or shutting down on input-cap ripple feedback
- Repeat ASIC chain enumeration failures localised to the cap area
Frequently asked questions
What's the difference between this and an aluminum electrolytic?
Polymer tantalum has lower ESR (12mΩ here) and better ripple handling at high frequency, but lower energy density. The 330µF/2.5V T520-class tantalum is the right pick for high-current low-voltage hashboard domain filtering.
Is the package the same as a 2917 case?
No — this is the 2312 (in) / 6032 (mm) L-case format. Confirm against the existing pad pattern before reflow.
What ESR class is supplied?
12mΩ typical, matching the T520 KO-CAP series spec. Suitable for high-ripple, low-voltage rails.
Do you sell other hashboard caps?
Yes — 47µF/63V aluminum electrolytics for L7 / KS5L, 1000µF/16V low-ESR caps for hashboard input filters and 25V/220µF for PSU repair are all stocked.
Related products
- 47µF 63V Aluminum Electrolytic Capacitor for Hashboard
- 1000µF 16V Aluminum Electrolytic Cap for Antminer Hashboard
- CD32 2.2µH SMD Inductor for Whatsminer CB4-V10
- 12MHz SMD Crystal Oscillator for Innosilicon T2 Hashboard
Contact contact@lys-sz.com for volume pricing or compatibility questions. Worldwide shipping from our Shenzhen warehouses. DDP available for US and EU customers.
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