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SMV1251-079 from SKYWORKS

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SMV1251-079

Manufacturer: SKYWORKS, ALPHA, AI

Hyperabrupt Tuning Varactors

Partnumber Manufacturer Quantity Availability
SMV1251-079,SMV1251079 SKYWORKS, ALPHA, AI 70300 In Stock

Description and Introduction

Hyperabrupt Tuning Varactors The part **SMV1251-079** is manufactured by **SKYWORKS**. Below are its specifications, descriptions, and features based on available data:  

### **Specifications:**  
- **Type:** Silicon PIN Diode  
- **Package:** SOT-323 (SC-70)  
- **Reverse Voltage (VR):** 30 V  
- **Forward Current (IF):** 100 mA  
- **Capacitance (CT):** 0.25 pF (Typical at 0 V, 1 MHz)  
- **Forward Voltage (VF):** 0.7 V (Typical at 10 mA)  
- **Reverse Recovery Time (trr):** 4 ns (Typical)  
- **Operating Temperature Range:** -55°C to +150°C  

### **Descriptions:**  
- The **SMV1251-079** is a high-performance silicon PIN diode designed for RF switching and attenuation applications.  
- It features low capacitance and fast switching speeds, making it suitable for high-frequency circuits.  
- The compact **SOT-323** package enables space-efficient PCB designs.  

### **Features:**  
- **Low Capacitance:** Optimized for high-frequency performance.  
- **Fast Switching:** Enables rapid signal control in RF applications.  
- **Low Forward Voltage:** Ensures efficient power handling.  
- **Miniature Package:** Ideal for compact and portable devices.  
- **High Reliability:** Robust performance across a wide temperature range.  

This information is sourced from **SKYWORKS' official documentation** on the **SMV1251-079** PIN diode.

Application Scenarios & Design Considerations

Hyperabrupt Tuning Varactors

Alternative Part Number

  • BBY57 --: Silicon variable capacitance diode with comparable capacitance range and low series resistance, suitable for VCO and tuning applications.
  • 1SV305 --: Varactor diode with similar capacitance-voltage characteristics and low leakage, usable as a tuning diode replacement.
  • KV1471 --: Variable capacitance diode offering comparable tuning ratio and capacitance values for RF tuning circuits.
  • BBY52-02V --: Silicon variable capacitance diode with comparable capacitance range and low series resistance, suitable for tuning and RF applications.
  • BBY31 --: Widely available silicon varactor diode with comparable capacitance tuning range, suitable as a functional substitute in tuning circuits.
  • 1SV149 --: Low-voltage varactor diode offering similar capacitance versus voltage characteristics, commonly used in VCO and tuner applications.
  • MV2105 --: Varactor diode with comparable capacitance range and package options, usable as an alternative for general tuning applications.

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