RL181S-473
Shielded wirewound fixed inductors with high inductance for electronic circuits
Manufacturer： bourns
series introduction
# RL181S - 473 Product Series Introduction
## 1. Overview
The RL181S - 473 product series represents a cutting - edge line of electronic components engineered to meet the diverse and demanding requirements of modern electrical and electronic systems. This series combines advanced technology, high - quality materials, and meticulous manufacturing processes to deliver exceptional performance, reliability, and versatility.
## 2. Key Features
### 2.1 Electrical Performance
- **High Capacitance**: The RL181S - 473 series offers a capacitance value of 47 nF (473 in the three - digit capacitor code, where the first two digits are the significant figures and the third is the multiplier). This relatively high capacitance makes it suitable for a wide range of applications, including filtering, coupling, and bypassing in electronic circuits.
- **Low Equivalent Series Resistance (ESR)**: With a low ESR, these components can efficiently handle high - frequency signals and large current pulses. This characteristic reduces power losses and heat generation, improving the overall efficiency of the circuit and minimizing the risk of component failure due to overheating.
- **Stable Dielectric Constant**: The dielectric material used in the RL181S - 473 series has a stable dielectric constant over a wide range of temperatures and frequencies. This ensures consistent electrical performance, even in harsh operating environments, and helps maintain the integrity of the circuit's functionality.
### 2.2 Physical Characteristics
- **Compact Size**: The components in the RL181S - 473 series are designed with a compact form factor, making them ideal for use in space - constrained applications such as mobile devices, wearable electronics, and miniaturized circuit boards. Their small size allows for high - density component placement, enabling the design of more complex and integrated electronic systems.
- **Robust Construction**: These components are built with high - quality materials and a robust construction that can withstand mechanical stress, vibration, and shock. This makes them suitable for use in automotive, industrial, and aerospace applications, where reliability and durability are of utmost importance.
- **Surface - Mount Technology (SMT) Compatibility**: The RL181S - 473 series is designed for surface - mount assembly, which offers several advantages over through - hole components. SMT components can be easily automated during the manufacturing process, reducing production time and cost. They also provide better electrical performance and mechanical stability on the printed circuit board (PCB).
### 2.3 Environmental Performance
- **Wide Temperature Range**: The RL181S - 473 series can operate reliably in a wide temperature range, typically from - 55°C to +125°C. This makes them suitable for use in extreme environmental conditions, such as in automotive engine compartments, industrial ovens, and outdoor electronic equipment.
- **High Humidity Resistance**: These components are designed to resist the effects of high humidity, which can cause corrosion and electrical leakage in electronic components. Their moisture - resistant construction ensures long - term reliability in humid environments, such as in tropical regions or near bodies of water.
## 3. Applications
### 3.1 Consumer Electronics
- **Smartphones and Tablets**: In mobile devices, the RL181S - 473 series can be used for power supply filtering, RF coupling, and bypassing to improve the performance and stability of the device's electronic circuits. Their compact size and high - frequency performance make them well - suited for the miniaturized and high - speed requirements of modern smartphones and tablets.
- **Wearable Devices**: Wearable electronics, such as smartwatches and fitness trackers, require components that are small, lightweight, and energy - efficient. The RL181S - 473 series meets these
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