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Compact and Robust Physical Design
The SRR3818A-4R7Y is a cutting-edge power inductor that immediately stands out with its compact and robust physical design. With dimensions of 3.8 mm x 1.8 mm (derived from "3818"), it is specifically engineered to fit seamlessly into the space-constrained layouts of modern printed circuit boards (PCBs). Despite its minimal footprint, the SRR3818A-4R7Y features a sturdy construction, crafted from high-quality magnetic materials and advanced winding techniques. This construction not only allows for easy integration into a wide range of electronic devices but also enables it to withstand the rigors of automated assembly processes and harsh operating environments, making it a reliable choice for electronics manufacturers.
A key feature of the SRR3818A-4R7Y is its precise inductance value of 4.7 μH (represented by "4R7"). This inductance makes it perfectly suited for a variety of power conversion applications, especially in DC - DC converters. In these circuits, the inductor plays a vital role in storing and transferring electrical energy, regulating current flow, and maintaining stable output voltages. The SRR3818A-4R7Y's ability to handle high levels of continuous and saturation currents ensures stable power delivery, reducing the risk of voltage drops in power-hungry electronic systems and enhancing the overall reliability and performance of the circuits.
The SRR3818A-4R7Y delivers outstanding electrical performance with its low equivalent series resistance (ESR) and excellent magnetic shielding properties. The low ESR minimizes power losses in the form of heat, significantly improving the inductor's operational efficiency. This reduction in heat not only benefits the inductor itself but also decreases the need for additional cooling measures in the overall system. Meanwhile, the high-quality magnetic shielding effectively reduces electromagnetic interference (EMI), ensuring clean power delivery and protecting sensitive components in the circuit. These superior electrical characteristics make the SRR3818A-4R7Y suitable for advanced digital circuits, radio frequency (RF) systems, and other high-performance electronic applications.
Thanks to its compact and robust physical design, optimal 4.7μH inductance for power management, exceptional electrical performance, and superb environmental adaptability, the SRR3818A-4R7Y is widely utilized across multiple industries. In the automotive sector, it is crucial for powering engine control units, infotainment systems, and advanced driver - assistance systems (ADAS). In consumer electronics, such as smartphones, tablets, and gaming consoles, it helps stabilize power supplies and improve battery life. In the industrial field, it ensures the reliable operation of power-hungry equipment, sensors, and automation systems. Additionally, it finds applications in telecommunications infrastructure and aerospace electronics, where high performance and reliability are essential requirements.
In conclusion, the SRR3818A-4R7Y power inductor is a top-tier component that combines compactness, high performance, and reliability. It serves as an essential building block for modern electronic designs, driving the advancement of various electronic applications.
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Part Number | CVH252009-2R2M | SRN4018-2R2M | RLB0914-681KL | SRN4018-1R0Y | SRN4018-4R7M |
Manufacturer | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. |
Series | SRR3818A | SRR3818A | SRR3818A | SRR3818A | SRR3818A |
Package/Case | Nonstandard | Nonstandard | Nonstandard | Nonstandard | Nonstandard |
Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) |
Product Status | Active | Active | Active | Active | Active |
Type | Drum Core, Wirewound | Drum Core, Wirewound | Drum Core, Wirewound | Drum Core, Wirewound | Drum Core, Wirewound |
Material - Core | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite |
Inductance | 4.7 µH | 4.7 µH | 4.7 µH | 4.7 µH | 4.7 µH |
Tolerance | ±30% | ±30% | ±30% | ±30% | ±30% |
Current Rating (Amps) | 1.9 A | 1.9 A | 1.9 A | 1.9 A | 1.9 A |
Current - Saturation (Isat) | 950mA | 950mA | 950mA | 950mA | 950mA |
Shielding | Shielded | Shielded | Shielded | Shielded | Shielded |
DC Resistance (DCR) | 120mOhm Max | 120mOhm Max | 120mOhm Max | 120mOhm Max | 120mOhm Max |
Q @ Freq | - | - | - | - | - |
Frequency - Self Resonant | 60MHz | 60MHz | 60MHz | 60MHz | 60MHz |
Ratings | AEC-Q200 | AEC-Q200 | AEC-Q200 | AEC-Q200 | AEC-Q200 |
Operating Temperature | -40°C ~ 150°C | -40°C ~ 150°C | -40°C ~ 150°C | -40°C ~ 150°C | -40°C ~ 150°C |
Inductance Frequency - Test | 100 kHz | 100 kHz | 100 kHz | 100 kHz | 100 kHz |
Features | - | - | - | - | - |
Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
Supplier Device Package | - | - | - | - | - |
Size / Dimension | 0.150" L x 0.150" W (3.80mm x 3.80mm) | 0.150" L x 0.150" W (3.80mm x 3.80mm) | 0.150" L x 0.150" W (3.80mm x 3.80mm) | 0.150" L x 0.150" W (3.80mm x 3.80mm) | 0.150" L x 0.150" W (3.80mm x 3.80mm) |
Height - Seated (Max) | 0.079" (2.00mm) | 0.079" (2.00mm) | 0.079" (2.00mm) | 0.079" (2.00mm) | 0.079" (2.00mm) |