BLM18AG151SN1D

0603 ferrite beads for EMI suppression in electronic circuits

Manufacturer: murata

series introduction

# Introduction to the BLM18AG151SN1D Product Series

## 1. Overview
The BLM18AG151SN1D belongs to a specialized product series that plays a crucial role in the field of electronic components. These components are designed to meet the ever - increasing demands of modern electronic circuits, offering high - performance solutions for various applications.

## 2. Physical Characteristics
### Size and Dimensions
The BLM18AG151SN1D is engineered with a compact form factor. Its small size makes it suitable for use in densely packed printed circuit boards (PCBs), where space is often at a premium. This allows for more efficient use of board real estate, enabling the design of smaller and more portable electronic devices.

### Package Type
It comes in a specific package that provides excellent mechanical protection and electrical isolation. The package is designed to ensure reliable soldering onto the PCB, minimizing the risk of connection failures during the manufacturing process and throughout the product's lifespan.

## 3. Electrical Specifications
### Inductance
The component has an inductance value of 150 nH (as indicated by the “151” in the part number, where the first two digits are significant figures and the last digit is the multiplier). Inductance is a key parameter in electronic circuits, especially in applications such as filtering, impedance matching, and energy storage. This specific inductance value makes the BLM18AG151SN1D well - suited for a variety of high - frequency circuits.

### DC Resistance (DCR)
It has a relatively low DC resistance. A low DCR is beneficial as it reduces power losses in the circuit, improving the overall efficiency of the system. This is particularly important in battery - powered devices, where minimizing power consumption is crucial for extending battery life.

### Current Rating
The BLM18AG151SN1D is rated to handle a certain amount of direct current. This current rating determines the maximum current that the component can carry without overheating or experiencing significant performance degradation. It is an important consideration when designing circuits to ensure that the component can operate safely under normal and abnormal conditions.

### Self - Resonant Frequency (SRF)
The self - resonant frequency of the BLM18AG151SN1D is an important characteristic. At the SRF, the inductive and capacitive reactances of the component cancel each other out, and the impedance reaches a minimum. This property is exploited in high - frequency applications, such as radio frequency (RF) circuits, where the component can be used to filter out unwanted frequencies or to tune the circuit to a specific frequency.

## 4. Performance Features
### High - Frequency Performance
The product series is optimized for high - frequency operation. It can effectively suppress high - frequency noise and interference, making it an ideal choice for applications in communication systems, such as mobile phones, Wi - Fi routers, and Bluetooth devices. By filtering out unwanted high - frequency signals, it helps to improve the signal quality and reliability of these systems.

### Low Insertion Loss
Insertion loss is a measure of the power loss that occurs when a component is inserted into a circuit. The BLM18AG151SN1D has low insertion loss, which means that it has minimal impact on the signal strength as it passes through the component. This is essential for maintaining the integrity of the signal in high - performance electronic circuits.

### Good Temperature Stability
The component exhibits good temperature stability, which means that its electrical properties remain relatively constant over a wide range of operating temperatures. This is important in applications where the device may be exposed to varying environmental conditions, such as automotive electronics or industrial control systems.

## 5. Applications
### Consumer Electronics
In smartphones, tablets, and laptops, the BLM1

Images for reference

EMIFIL BLM18x 0603(1608)

EMIFIL BLM18x 0603(1608)

BLM18 Series Top

BLM18 Series Top

BLM18(A,B,E,H,P,R) Series Side

BLM18(A,B,E,H,P,R) Series Side

Datasheets

Partlist

BLM18AG151SN1D