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BLA31BD121SN4D from TDK

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BLA31BD121SN4D

Manufacturer: TDK

EMIFIL (Inductor type) Chip Ferrite Bead (Array) BLA31A/BLA31B Series (1206 Size)

Partnumber Manufacturer Quantity Availability
BLA31BD121SN4D TDK 27000 In Stock

Description and Introduction

EMIFIL (Inductor type) Chip Ferrite Bead (Array) BLA31A/BLA31B Series (1206 Size) The part **BLA31BD121SN4D** is a **multilayer ceramic capacitor (MLCC)** manufactured by **TDK**.  

### **Specifications:**  
- **Capacitance:** 120 pF (121 = 12 x 10^1 pF)  
- **Tolerance:** ±0.1 pF (SN = ±0.1 pF)  
- **Voltage Rating:** 100 V DC (4D = 100 V)  
- **Dielectric Type:** C0G/NP0 (Temperature-stable)  
- **Temperature Coefficient:** 0 ±30 ppm/°C (C0G/NP0)  
- **Termination:** Nickel barrier with tin plating  
- **Operating Temperature Range:** -55°C to +125°C  
- **Case Size:** EIA 1206 (3216 metric)  

This MLCC is designed for **high-reliability applications**, including **RF circuits, filters, and timing circuits**, due to its **low loss and stable capacitance over temperature**.  

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Application Scenarios & Design Considerations

EMIFIL (Inductor type) Chip Ferrite Bead (Array) BLA31A/BLA31B Series (1206 Size)
Partnumber Manufacturer Quantity Availability
BLA31BD121SN4D 27000 In Stock

Description and Introduction

EMIFIL (Inductor type) Chip Ferrite Bead (Array) BLA31A/BLA31B Series (1206 Size) The part **BLA31BD121SN4D** is a **1210 package size** **121Ω ±0.5%** thick film resistor with a **0.5W power rating**. It features a **±200ppm/°C temperature coefficient** and is designed for **surface mount applications**.  

Key specifications:  
- **Resistance:** 121Ω  
- **Tolerance:** ±0.5%  
- **Power Rating:** 0.5W  
- **Temperature Coefficient:** ±200ppm/°C  
- **Package:** 1210 (3225 metric)  
- **Technology:** Thick Film  

This resistor is commonly used in precision circuits where tight tolerance and stability are required.

Application Scenarios & Design Considerations

EMIFIL (Inductor type) Chip Ferrite Bead (Array) BLA31A/BLA31B Series (1206 Size)
Partnumber Manufacturer Quantity Availability
BLA31BD121SN4D MURATA 9917 In Stock

Description and Introduction

EMIFIL (Inductor type) Chip Ferrite Bead (Array) BLA31A/BLA31B Series (1206 Size) The part **BLA31BD121SN4D** is a **Balun** manufactured by **Murata**.  

### **Specifications:**  
- **Manufacturer:** Murata  
- **Type:** Balun  
- **Frequency Range:** 2400 MHz to 2500 MHz  
- **Impedance Ratio:** 1:1  
- **Insertion Loss (Max):** 0.5 dB  
- **Phase Balance (Max):** ±5°  
- **Amplitude Balance (Max):** ±0.5 dB  
- **Package / Case:** 0402 (1005 Metric)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Mounting Type:** Surface Mount  

This balun is commonly used in **RF applications**, particularly for **Wi-Fi, Bluetooth, and other 2.4 GHz wireless communication systems**.  

Would you like additional details on any specific parameter?

Application Scenarios & Design Considerations

EMIFIL (Inductor type) Chip Ferrite Bead (Array) BLA31A/BLA31B Series (1206 Size)

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