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SM1L43 from 东芝,TOSHIBA

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SM1L43

Manufacturer: 东芝, TOSHIBA

BI .DIRECTIONAL TRIODE THYRISTOR SILICON PLANAR TYPE AC POWER CONTROL APPLICATIONS

Partnumber Manufacturer Quantity Availability
SM1L43 东芝, TOSHIBA 223600 In Stock

Description and Introduction

BI .DIRECTIONAL TRIODE THYRISTOR SILICON PLANAR TYPE AC POWER CONTROL APPLICATIONS The part SM1L43 is manufactured by **东芝 (Toshiba)**. Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Type:** TVS Diode (Transient Voltage Suppressor)  
- **Package:** SOD-123FL  
- **Peak Pulse Power:** 400W (8/20μs)  
- **Breakdown Voltage (V_BR):** 6.8V (min)  
- **Reverse Standoff Voltage (V_RWM):** 5.8V  
- **Clamping Voltage (V_C):** 9.9V (at 1A)  
- **Maximum Reverse Leakage Current (I_R):** 1μA  
- **Operating Temperature Range:** -55°C to +150°C  

### **Descriptions:**  
- Designed for **ESD (Electrostatic Discharge) protection** and **surge suppression** in electronic circuits.  
- Used in **high-speed data lines, power supplies, and communication interfaces** to protect sensitive components from voltage transients.  
- **Unidirectional** TVS diode, meaning it clamps positive voltage spikes.  

### **Features:**  
- **Low clamping voltage** for effective transient protection.  
- **Fast response time** (nanosecond range).  
- **Compact SOD-123FL package** for space-constrained applications.  
- **RoHS compliant** and lead-free.  

This information is strictly based on the available knowledge base for **SM1L43 by 东芝 (Toshiba)**.

Application Scenarios & Design Considerations

BI .DIRECTIONAL TRIODE THYRISTOR SILICON PLANAR TYPE AC POWER CONTROL APPLICATIONS

Alternative Part Number

  • 1S1588 --: Small-signal switching diode in a similar class with comparable forward current and voltage ratings, widely used as a general replacement for SM1L43.
  • 1N4148 --: Industry-standard small-signal switching diode with similar electrical characteristics; extremely available and cost-effective for most SM1L43 applications.
  • BAV99 --: Dual small-signal switching diode offering comparable switching performance; a practical alternative when a compact SOT-23 package is acceptable.
  • 1N4004 --: General-purpose 400V 1A rectifier diode commonly used as a substitute for small-signal rectifiers like the SM1L43; widely available and low cost.
  • BAV21 --: 200V 250mA small-signal switching diode with similar low-current characteristics, offering a higher voltage margin as a functional replacement.

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