SCI1008S-R24F
AI

The **SCI1008S-R24F** is a specific surface-mount electronic component, primarily categorized as a **Wire-Wound Chip Inductor**. These parts are commonly used in high-frequency applications due to their excellent quality factor (Q) and stability.
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### 1. Part Number Breakdown
Understanding the nomenclature helps identify the component's physical and electrical characteristics:
| Code Segment | Meaning | Description |
| :--- | :--- | :--- |
| **SCI** | Series Type | Standard Chip Inductor (Wire-wound) |
| **1008** | Case Size | 1008 Imperial (approx. 2.5 x 2.0 mm) |
| **S** | Material/Process | Standard or High Current (varies by manufacturer) |
| **R24** | Inductance Value | **0.24 µH** (240 nH) |
| **F** | Tolerance | **± 1%** (High precision) |
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### 2. Key Technical Specifications
While exact specs can vary slightly between manufacturers (like Signal or Chilisin), the standard parameters for an R24F in a 1008 package are:
* **Inductance:** 240 nH (0.24 µH).
* **Tolerance:** ± 1% (denoted by the 'F' suffix).
* **Quality Factor (Q min):** Typically 45–50 at 100 MHz.
* **Self-Resonant Frequency (SRF):** Usually around 500 MHz – 700 MHz.
* **DC Resistance (DCR):** Max ~0.45 to 0.70 Ohms.
* **Rated Current:** Generally between 400mA and 600mA.
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### 3. Construction and Features
The "S" in the series usually refers to a **ceramic core** wire-wound construction.
* **Ceramic Core:** Provides exceptional thermal stability and a high SRF, making it ideal for RF (Radio Frequency) applications.
* **Wire-Wound Design:** Uses a copper wire coiled around the core, offering much lower DC resistance and higher current handling compared to multilayer inductors of the same size.
* **Epoxy Coating:** Usually features a top-side epoxy capsulation to allow for vacuum pick-and-place assembly.
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### 4. Common Applications
Due to the high precision (1%) and the 1008 form factor, this part is typically found in:
1. **RF Transceivers:** Used in matching circuits and filters for wireless communication.
2. **Bluetooth/Wi-Fi Modules:** Essential for signal integrity in compact wireless devices.
3. **Oscillators:** The high Q factor and tight tolerance (±1%) are critical for frequency stability.
4. **Impedance Matching:** Used to bridge the gap between antennas and power amplifiers.
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### 5. Footprint (1008 Metric 2520)
The physical dimensions are standardized for PCB layout:
```text
Length: 2.50 mm (± 0.2mm)
Width: 2.00 mm (± 0.2mm)
Height: 1.60 mm (± 0.2mm)
```
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- ⤷What are the differences between a ceramic core and a ferrite core inductor in the 1008 size?
- ⤷ How does a 1% tolerance affect the performance of an RF matching circuit?
- ⤷ What are the recommended soldering profiles for wire-wound SMD inductors?