2pcs 10uf 35v capacitor smd

🔹 2PCS 10µF 35V SMD Aluminum Electrolytic Capacitor

Compact surface-mount aluminum electrolytic capacitors with a 10µF value and a 35V DC rating. Designed for power filtering, decoupling, and energy storage in space-constrained modern electronics such as motherboards, laptops, power modules, and compact IoT devices.

✅ Specifications:

• Capacitance: 10 Microfarads (µF)

• Rated Voltage (VDC): 35V

• Tolerance: ±20% (Standard for electrolytics)

• Type: Aluminum Electrolytic, SMD (Surface Mount Device)

• Temperature Range: -40°C to +105°C (Common 105°C rating)

• Equivalent Series Resistance (ESR): Moderate (varies by series)

• Leakage Current: Low (specified by manufacturer)

• Package / Case Size: Typically 6.3mm x 5.8mm or 6.3mm x 7.7mm (Diameter x Height, φD x H)

• Pitch / Lead Spacing: 2.5mm to 3.5mm (Standard for SMD electrolytics)

• Polarity: Polarized – Negative (-) terminal marked by a white stripe/band on the case and a shaded area on the PCB footprint.

• Lifespan: Typically 1000–5000 hours at max temperature (longer at lower temps)

• Quantity: 2 pieces

⚙️ Key Features:

• High Voltage Margin: The 35V rating provides a significant safety margin for 12V, 19V, and 24V circuits, ensuring reliability.

• Space-Saving SMD Design: Enables high-density PCB assembly where through-hole components are not feasible.

• Robust Construction: Suitable for automated reflow soldering processes.

• Wide Temperature Range: The 105°C rating ensures stable performance in warmer environments.

• Cost-Effective Storage: Provides a good balance of capacitance and voltage in a small, affordable package.

📦 Typical Applications:

• DC-DC Converter Filtering: Input/output filtering on 12V, 19V, or 24V switching regulators and buck/boost modules.

• IC & Microcontroller Decoupling: Placed near power pins of processors, FPGAs, and other high-speed digital ICs to suppress noise.

• Power Supply Stabilization: On the input and output of voltage regulators (LDOs, switching regulators) to improve transient response.

• Audio Circuit Coupling: DC blocking in audio signal paths (though film caps are preferred for critical audio).

• General Energy Buffering: Providing localized charge reserves to prevent voltage droop during brief high-current events.

🔧 Mounting & PCB Design Notes:

1. Polarity is Critical: The negative (-) terminal is marked with a white stripe on the capacitor body. The PCB footprint must have a matching shaded or “+” marking for the positive pad. Incorrect polarization will cause failure.

2. PCB Footprint: Use the manufacturer-recommended land pattern. Ensure pad sizes and spacing match the capacitor’s dimensions.

3. Reflow Soldering: Compatible with standard SMT reflow profiles. Avoid excessive heat exposure.

4. Placement: For decoupling, place as close as possible to the power and ground pins of the target IC, with short, wide traces.

5. Voltage Derating: For long-term reliability, operate at ≤80% of the rated voltage (e.g., ≤28V for a 35V capacitor).

⚠️ Important Limitations & Care:

• Polarity Warning: Reverse voltage will cause catastrophic failure—venting, leakage, or explosion. Double-check orientation before soldering.

• Limited Lifespan: Electrolytic capacitors have a finite lifespan that decreases with higher operating temperatures. Avoid placement near heat sources like voltage regulators or transformers.

• ESR & Ripple Current: In switching power supplies, ensure the capacitor’s ripple current rating is sufficient for the application to avoid internal heating and premature failure.

• Not for Precision Timing: The ±20% tolerance and temperature sensitivity make them unsuitable for precision RC timing circuits. Use ceramic or film capacitors instead.

• Mechanical Stress: The SMD body can be sensitive to board flexing. Provide mechanical support if the PCB is subject to vibration or bending.