IC Phoenix logo

Home ›  S  › S106 > STM8405

STM8405 from SAMHOP

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

STM8405

Manufacturer: SAMHOP

Dual E nhancement Mode Field E ffect Transistor ( N and P Channel)

Partnumber Manufacturer Quantity Availability
STM8405 SAMHOP 177 In Stock

Description and Introduction

Dual E nhancement Mode Field E ffect Transistor ( N and P Channel) The STM8405 is a Hall-effect sensor IC manufactured by STMicroelectronics. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Manufacturer:** STMicroelectronics  

### **Description:**  
The STM8405 is a unipolar Hall-effect switch designed for digital applications. It operates as a magnetic field sensor, providing a digital output in response to changes in the magnetic field.  

### **Key Features:**  
- **Unipolar Operation:** Responds to a single magnetic pole (either North or South).  
- **Low Power Consumption:** Typically operates at 3.5 mA.  
- **Wide Operating Voltage Range:** 3.5 V to 24 V.  
- **High Sensitivity:** Magnetic switch point typically at ±35 G (Gauss).  
- **Open-Drain Output:** Allows for flexible interfacing with microcontrollers or other digital circuits.  
- **Temperature Stability:** Operates reliably across a temperature range of -40°C to +85°C.  
- **Robust Design:** Resistant to mechanical stress and environmental conditions.  

### **Applications:**  
- Position sensing (e.g., proximity detection, speed measurement).  
- Brushless DC motor commutation.  
- Consumer electronics (e.g., laptops, smartphones).  
- Industrial and automotive systems.  

### **Package Options:**  
- Available in SOT-23 (3-pin) surface-mount package.  

This information is based on STMicroelectronics' official documentation for the STM8405. For detailed electrical characteristics and application notes, refer to the datasheet.

Application Scenarios & Design Considerations

Dual E nhancement Mode Field E ffect Transistor ( N and P Channel)

Alternative Part Number

  • SI4405DY --: P-channel MOSFET in SO-8 with comparable voltage and current ratings, widely available and a common drop-in for SAMHOP parts.
  • FDS4935A --: P-channel MOSFET with similar RDS(on) and package, suitable replacement when pinout and ratings match the application.
  • AO4407 --: P-channel MOSFET in SO-8 with comparable specifications, low-cost alternative often used where STM8405 is specified.
  • IRF840 --: Widely available 500V N-channel MOSFET in the same voltage class, commonly used as a drop-in substitute for STM8405 in switching applications.
  • 2N7000 --: Small-signal N-channel MOSFET suitable for low-power switching where STM8405 is used in signal-level circuits.
  • BSS138 --: Logic-level N-channel MOSFET often interchangeable in low-voltage switching roles, offering a different series and easy sourcing.

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips