FVS-35-R
AI

The **FVS-35-R** is a specific electronic component, typically categorized as a **Surface Mount (SMD) Fast Recovery Rectifier Diode**. These parts are essential in power management circuits where high-speed switching is required to maintain efficiency and protect other components.
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## Technical Specifications
The following table outlines the typical electrical characteristics for the FVS-35-R series:
| Parameter | Value (Typical) | Unit |
| :--- | :--- | :--- |
| **Component Type** | Fast Recovery Rectifier | - |
| **Repetitive Peak Reverse Voltage ($V_{RRM}$)** | 600 - 1000 | Volts |
| **Average Forward Current ($I_{F(AV)}$)** | 1.0 - 3.0 | Amps |
| **Reverse Recovery Time ($t_{rr}$)** | 150 - 500 | Nanoseconds |
| **Operating Junction Temperature ($T_j$)** | -55 to +150 | °C |
| **Package Type** | SOD-123FL / SMA (DO-214AC) | - |
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## Core Electronic Functions
### 1. Fast Recovery Speed
Unlike standard diodes, the "Fast Recovery" nature of the FVS-35-R allows it to switch from a conducting state to a blocking state very rapidly. This reduces switching losses and prevents high-frequency noise in the circuit.
### 2. Rectification
Its primary job is to allow current to flow in only one direction. In an AC-to-DC conversion scenario, it "rectifies" the waveform by blocking the negative phase of the input signal.
### 3. Voltage Protection
The high $V_{RRM}$ rating allows the part to withstand significant voltage spikes in the reverse direction without breaking down, making it ideal for inductive load applications.
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## Common Applications
The FVS-35-R is frequently found in the following electronic environments:
* **Switching Mode Power Supplies (SMPS):** Used in the output stage to rectify high-frequency square waves.
* **DC-DC Converters:** Acts as a freewheeling diode to provide a path for inductor current when the main switch is off.
* **Inverters:** Essential for converting DC back to AC in solar or UPS systems.
* **LED Drivers:** Provides stable rectification for sensitive lighting electronics.
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## Internal Structure (Simplified)
```cpp
// Representing the Diode Logic in Pseudo-code
if (Anode_Voltage > Cathode_Voltage + Forward_Drop) {
Current_Flow = TRUE; // Forward Bias
} else {
Current_Flow = FALSE; // Reverse Bias (Blocking)
}
```
- ⤷What is the difference between a standard rectifier and a fast recovery rectifier like the FVS-35-R?
- ⤷ How do I determine the polarity of an FVS-35-R using the package markings?
- ⤷ What are the thermal considerations when soldering this SMD component?