IC Phoenix logo

Home ›  S  › S33 > SM4T33A

SM4T33A from ST,ST Microelectronics

Fast Delivery, Competitive Price @IC-phoenix

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

SM4T33A

Manufacturer: ST

TRANSIL

Partnumber Manufacturer Quantity Availability
SM4T33A ST 2390 In Stock

Description and Introduction

TRANSIL The **SM4T33A** is a **Transient Voltage Suppressor (TVS) Diode** designed to protect sensitive electronic components from voltage transients and electrostatic discharge (ESD).  

### **Manufacturer Specifications:**  
- **Manufacturer:** STMicroelectronics  
- **Type:** Uni-directional TVS Diode  
- **Peak Pulse Power (PPP):** 400W (10/1000μs)  
- **Breakdown Voltage (VBR):** 36.7V (min)  
- **Clamping Voltage (VC):** 53.3V (at 1A)  
- **Standoff Voltage (VRWM):** 33V  
- **Maximum Reverse Leakage Current (IR):** 1μA (at VRWM)  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AC (SMA)  

### **Descriptions:**  
- Designed for **ESD and surge protection** in **low-voltage circuits**.  
- **Uni-directional** (polarized) TVS diode, meaning it clamps voltage in one direction.  
- Suitable for **automotive, industrial, and consumer electronics** applications.  

### **Features:**  
- **Fast response time** (sub-nanosecond) for transient suppression.  
- **Low clamping voltage** for effective protection.  
- **High surge capability** (400W peak pulse power).  
- **RoHS compliant** (lead-free).  
- **AEC-Q101 qualified** for automotive applications.  

This diode is commonly used in **power supplies, communication ports, and data lines** to prevent damage from voltage spikes.  

Would you like additional technical details?

Application Scenarios & Design Considerations

TRANSIL

Alternative Part Number

  • SMAJ33A --: Same SMA package unidirectional TVS diode with 33V standoff voltage and comparable clamping performance, widely available and pin-compatible.
  • P4SMA33A --: SMA-packaged 400W unidirectional TVS with 33V standoff, similar surge rating and electrical characteristics to the SM4T33A.
  • SMBJ33A --: SMB package 600W unidirectional TVS at 33V standoff; slightly higher power rating but electrically compatible for most protection designs.

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