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T405-600B-TR from ST,ST Microelectronics

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T405-600B-TR

Manufacturer: ST

4A TRIACS

Partnumber Manufacturer Quantity Availability
T405-600B-TR,T405600BTR ST 10370 In Stock

Description and Introduction

4A TRIACS The part **T405-600B-TR** is a **600V, 4A** Triac from **STMicroelectronics**.  

### **Key Specifications:**  
- **Voltage Rating (VDRM/VRRM):** 600V  
- **Current Rating (IT(RMS)):** 4A  
- **Gate Trigger Current (IGT):** 5mA (typical), 10mA (max)  
- **On-State Voltage (VTM):** 1.7V (typical at 4A)  
- **Holding Current (IH):** 5mA (typical)  
- **Package:** TO-220AB (isolated tab)  
- **Operating Temperature Range:** -40°C to +125°C  

### **Features:**  
- **Snubberless Design:** Can handle high voltage transients without external snubber circuits.  
- **High Commutation Capability:** Suitable for inductive loads.  
- **Isolated Package:** TO-220AB with an electrically isolated mounting base for easier heatsinking.  
- **Sensitive Gate:** Low gate trigger current for compatibility with logic-level drivers.  

### **Applications:**  
- AC motor controls  
- Lighting dimmers  
- Solid-state relays  
- Heating controls  
- General-purpose AC switching  

This Triac is designed for robust performance in medium-power AC switching applications.

Application Scenarios & Design Considerations

4A TRIACS

Alternative Part Number

  • BT136-600E --: 600V 4A sensitive-gate triac in TO-252/DPAK, functionally equivalent to the T405-600B and widely available as a drop-in replacement.
  • Q4006DH4TP --: 600V 4A triac in TO-252 package with similar gate sensitivity, suitable for AC switching applications replacing the T405 series.
  • MAC4DHMT4G --: 600V 4A triac in DPAK with standard gate current, a common cross-reference for the T405-600B in motor and lamp control circuits.

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