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SMAJ85A-TR from ST,ST Microelectronics

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SMAJ85A-TR

Manufacturer: ST

TRANSIL

Partnumber Manufacturer Quantity Availability
SMAJ85A-TR,SMAJ85ATR ST 82500 In Stock

Description and Introduction

TRANSIL The **SMAJ85A-TR** is a **Transient Voltage Suppressor (TVS) Diode** manufactured by **STMicroelectronics (ST)**.  

### **Specifications:**  
- **Voltage - Reverse Standoff (Vrwm):** 85V  
- **Voltage - Breakdown (Vbr):** 94.4V (min)  
- **Voltage - Clamping (Vc):** 137V (max) at 10A  
- **Peak Pulse Current (Ipp):** 10A (8/20μs)  
- **Power - Peak Pulse (Pppm):** 400W  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** **DO-214AC (SMA)**  
- **Mounting Type:** Surface Mount  
- **RoHS Compliant:** Yes  

### **Description:**  
The SMAJ85A-TR is a **unidirectional TVS diode** designed to protect sensitive electronics from **voltage transients and surges**, such as ESD (Electrostatic Discharge), lightning, and inductive load switching.  

### **Features:**  
- **Low Clamping Voltage** for effective protection  
- **Fast Response Time** (typically <1ns)  
- **High Surge Capability** (up to 10A)  
- **Unidirectional Polarity** (protects against positive transients)  
- **Surface-Mount Package (SMA)** for compact PCB designs  

This diode is commonly used in **telecommunications, industrial controls, automotive systems, and power supply protection circuits**.  

Would you like additional details on any specific parameter?

Application Scenarios & Design Considerations

TRANSIL

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