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BLA31BD221SN4

SMD/BLOCK Type EMI Suppression Filters

Partnumber Manufacturer Quantity Availability
BLA31BD221SN4 5000 In Stock

Description and Introduction

SMD/BLOCK Type EMI Suppression Filters The part **BLA31BD221SN4** is a **221μF, 35V Aluminum Electrolytic Capacitor** from the **BLA series** by **Nippon Chemi-Con**.  

### **Key Specifications:**  
- **Capacitance:** 221μF  
- **Voltage Rating:** 35V  
- **Tolerance:** ±20%  
- **Temperature Range:** -40°C to +105°C  
- **Lifetime:** 2000 hours at 105°C  
- **Leakage Current:** ≤0.01CV or 3μA (whichever is greater)  
- **Ripple Current:** Varies with frequency (refer to datasheet for exact values)  
- **Package/Size:** Radial lead, dimensions depend on case size (check datasheet for exact dimensions)  
- **Polarity:** Polarized (must observe correct polarity)  

For exact mechanical dimensions and performance curves, consult the official **Nippon Chemi-Con datasheet**.

Application Scenarios & Design Considerations

SMD/BLOCK Type EMI Suppression Filters
Partnumber Manufacturer Quantity Availability
BLA31BD221SN4 TDK 5000 In Stock

Description and Introduction

SMD/BLOCK Type EMI Suppression Filters The part **BLA31BD221SN4** is a **Multilayer Ceramic Capacitor (MLCC)** manufactured by **TDK**. Here are its specifications:

- **Capacitance**: 220 pF (±0.1pF)  
- **Voltage Rating**: 100 V DC  
- **Dielectric Material**: C0G (NP0) – Temperature-stable Class I ceramic  
- **Tolerance**: ±0.1pF  
- **Temperature Coefficient**: 0 ±30 ppm/°C (C0G characteristic)  
- **Operating Temperature Range**: -55°C to +125°C  
- **Termination**: Nickel barrier with tin plating (Sn)  
- **Case Size (EIA)**: 1206 (3216 metric) – 3.2mm × 1.6mm  
- **Packaging**: Tape and reel (standard)  

This capacitor is designed for **high-frequency, high-stability applications**, including RF circuits, filters, and timing circuits.  

(Source: TDK datasheet for BLA31BD221SN4)

Application Scenarios & Design Considerations

SMD/BLOCK Type EMI Suppression Filters

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