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SMV1265-011 from ALPHA

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SMV1265-011

Manufacturer: ALPHA, ai

Hyperabrupt Junction Tuning Varactors

Partnumber Manufacturer Quantity Availability
SMV1265-011,SMV1265011 ALPHA, ai 14700 In Stock

Description and Introduction

Hyperabrupt Junction Tuning Varactors The part **SMV1265-011** is manufactured by **ALPHA**. Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** ALPHA  
- **Part Number:** SMV1265-011  
- **Type:** RF Diode (Varactor/Tuning Diode)  
- **Package:** SOD-323 (SC-76)  
- **Capacitance Range:** 0.63 pF to 2.8 pF (depending on voltage)  
- **Voltage Range (Reverse Voltage - VR):** 0V to 30V  
- **Tuning Ratio (C0.5V/C30V):** 4.4 (typical)  
- **Quality Factor (Q):** 400 (typical at 1 MHz, 4V)  
- **Operating Temperature Range:** -55°C to +150°C  

### **Descriptions:**  
- The **SMV1265-011** is a hyperabrupt junction varactor diode designed for high-performance tuning applications.  
- It is optimized for low distortion and high linearity in RF circuits.  
- Suitable for voltage-controlled oscillators (VCOs), phase-locked loops (PLLs), and frequency synthesizers.  

### **Features:**  
- **Hyperabrupt Junction:** Provides a wide capacitance tuning range.  
- **Low Series Resistance (Rs):** Ensures high Q-factor for improved circuit efficiency.  
- **Small Package (SOD-323):** Ideal for compact and high-density PCB designs.  
- **High Linearity:** Minimizes harmonic distortion in RF applications.  

For exact performance curves and application notes, refer to the official ALPHA datasheet.

Application Scenarios & Design Considerations

Hyperabrupt Junction Tuning Varactors

Alternative Part Number

  • MA4P7441F-1091T --: PIN diode in the same low-capacitance class, commonly used as a direct functional substitute for SMV1265 series varactor/PIN diodes in RF switching and tuning circuits.
  • BAR64-02V --: Silicon PIN diode with comparable capacitance and low series resistance, suitable for RF switch and attenuator applications where the SMV1265 is used.
  • HSMP-3814 --: Surface-mount PIN diode with similar RF characteristics and package style, widely available as a cross-reference for Alpha SMV-series diodes.
  • 1N5719 --: PIN diode with comparable capacitance and series resistance ratings, widely available and suitable for RF switching applications where the SMV1265-011 is used.

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