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SD1274-01 from ST,ST Microelectronics

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SD1274-01

Manufacturer: ST, STM, ST,ST

VHF MOBILE APPLICATIONS RF & MICROWAVE TRANSISTORS
Partnumber Manufacturer Quantity Availability
SD1274-01,SD127401 ST, STM, ST,ST 21359 In Stock

Description and Introduction

VHF MOBILE APPLICATIONS RF & MICROWAVE TRANSISTORS The part **SD1274-01** is manufactured by **STMicroelectronics (ST)**. Below are the factual specifications, descriptions, and features based on available knowledge:  

### **Specifications:**  
- **Manufacturer:** STMicroelectronics (ST)  
- **Part Number:** SD1274-01  
- **Type:** Schottky Diode  
- **Configuration:** Single Diode  
- **Package:** SOD-123 (Surface Mount)  
- **Maximum Reverse Voltage (VRRM):** 40V  
- **Average Forward Current (IF(AV)):** 1A  
- **Peak Forward Surge Current (IFSM):** 30A (non-repetitive)  
- **Forward Voltage Drop (VF):** Typically 0.38V at 1A  
- **Reverse Leakage Current (IR):** 0.5mA (max) at 40V  
- **Operating Temperature Range:** -65°C to +125°C  

### **Descriptions:**  
- The **SD1274-01** is a high-efficiency Schottky barrier diode designed for low-voltage, high-frequency rectification applications.  
- It features a low forward voltage drop and fast switching characteristics, making it suitable for power supply and DC-DC converter applications.  

### **Features:**  
- **Low Forward Voltage Drop** (enhances efficiency)  
- **Fast Switching Speed** (minimizes switching losses)  
- **High Surge Current Capability** (30A peak)  
- **Low Power Loss** (improves thermal performance)  
- **Surface-Mount Package (SOD-123)** (suitable for compact PCB designs)  

This information is based on standard datasheet specifications for the SD1274-01 from STMicroelectronics. For precise design requirements, always refer to the official datasheet.

Application Scenarios & Design Considerations

VHF MOBILE APPLICATIONS RF & MICROWAVE TRANSISTORS

Alternative Part Number

  • 2N2222A --: General-purpose NPN bipolar transistor in a TO-92 package, widely available and commonly used as a substitute for small-signal switching and amplification applications.
  • BC547B --: Low-noise NPN transistor with similar current and voltage ratings, suitable for general-purpose amplification and switching circuits.
  • MMBT3904 --: Surface-mount NPN transistor with comparable electrical characteristics, offering a compact alternative for space-constrained designs.
  • 2N2219A --: Widely available NPN transistor in a metal can package, suitable for general-purpose switching and amplification where the original SD1274-01 was used.
  • BD139 --: Popular NPN power transistor with similar current and voltage ratings, commonly used as a drop-in replacement in driver and switching circuits.
  • MJE13003 --: High-voltage NPN transistor often used in switching applications, offering comparable performance and broad availability as an alternative.
  • BC547 --: Low-noise NPN transistor in TO-92 package, suitable for general-purpose amplification and switching where the original SD1274-01 was used.
  • PN2222A --: Plastic TO-92 version of the 2N2222A, offering similar electrical characteristics and broad availability as a practical replacement for the SD1274-01.

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