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SMAJ18CA from ON,ON Semiconductor

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SMAJ18CA

Manufacturer: ON

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Partnumber Manufacturer Quantity Availability
SMAJ18CA ON 10000 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The **SMAJ18CA** is a **18V bidirectional TVS diode** manufactured by **ON Semiconductor**. It is part of the **SMAJ series** of **Transient Voltage Suppressors (TVS)** designed for **surge protection** in electronic circuits.  

### **Specifications:**  
- **Voltage - Reverse Standoff (V₃₀₀):** **18V**  
- **Voltage - Breakdown (Min):** **20V**  
- **Voltage - Clamping (Max) @ Iₚₚ:** **29.2V @ 10A**  
- **Peak Pulse Current (Iₚₚ):** **10A (8/20µs)**  
- **Power - Peak Pulse:** **400W (8/20µs)**  
- **Operating Temperature Range:** **-55°C to +150°C**  
- **Package / Case:** **DO-214AC (SMA)**  
- **Polarity:** **Bidirectional**  

### **Description:**  
The **SMAJ18CA** is designed to protect sensitive electronics from **transient voltage spikes** such as **ESD (Electrostatic Discharge), lightning, and inductive load switching**. It provides **bidirectional protection**, meaning it can suppress both positive and negative voltage transients.  

### **Features:**  
- **Low clamping voltage** for effective protection  
- **Fast response time** (typically <1ps)  
- **High surge capability** (400W peak pulse power)  
- **RoHS compliant**  
- **AEC-Q101 qualified** (for automotive applications)  

This diode is commonly used in **power supplies, communication systems, automotive electronics, and industrial controls** for **overvoltage protection**.  

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Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS
Partnumber Manufacturer Quantity Availability
SMAJ18CA FAIRCHILD 43000 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The SMAJ18CA is a Transient Voltage Suppressor (TVS) diode manufactured by FAIRCHILD.  

### **Specifications:**  
- **Part Number:** SMAJ18CA  
- **Manufacturer:** FAIRCHILD  
- **Type:** Bidirectional TVS Diode  
- **Peak Pulse Power (10/1000μs):** 400W  
- **Breakdown Voltage (VBR):** 20V (min)  
- **Standoff Voltage (VRWM):** 18V  
- **Clamping Voltage (VC):** 29.2V at 1A  
- **Maximum Reverse Leakage Current (IR):** 1μA at VRWM  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** SMA (DO-214AC)  

### **Descriptions & Features:**  
- Designed to protect sensitive electronics from voltage transients and surges.  
- Bidirectional configuration for clamping both positive and negative voltage spikes.  
- Low incremental surge resistance for effective clamping.  
- Fast response time to transient events.  
- RoHS compliant.  
- Suitable for applications like power supplies, communication systems, and automotive electronics.  

Would you like additional details on any specific parameter?

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS
Partnumber Manufacturer Quantity Availability
SMAJ18CA CONCORD 35000 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The SMAJ18CA is a transient voltage suppressor (TVS) diode manufactured by CONCORD. Below are its specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Voltage - Reverse Standoff (VRWM):** 18V  
- **Voltage - Breakdown (VBR):** 20V (min)  
- **Voltage - Clamping (VC):** 29.2V at 1A  
- **Peak Pulse Current (IPP):** 19.5A (8/20µs)  
- **Power - Peak Pulse (PPP):** 600W  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AC (SMA)  

### **Descriptions:**  
- The SMAJ18CA is a bidirectional TVS diode designed to protect sensitive electronics from voltage transients, including ESD, lightning, and inductive load switching.  
- It is compliant with RoHS standards.  

### **Features:**  
- Low clamping voltage  
- Fast response time  
- High surge capability  
- Bidirectional polarity  
- Lead-free and halogen-free  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS
Partnumber Manufacturer Quantity Availability
SMAJ18CA MICROSEMI 35000 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The SMAJ18CA is a transient voltage suppressor (TVS) diode manufactured by **MICROSEMI**.  

### **Specifications:**  
- **Voltage - Reverse Standoff (V_RWM):** 18V  
- **Voltage - Breakdown (V_BR):** 20V (min)  
- **Voltage - Clamping (V_C):** 29.2V at 1A  
- **Peak Pulse Current (I_PP):** 1A (8/20µs waveform)  
- **Power - Peak Pulse (P_PP):** 600W  
- **Operating Temperature:** -55°C to +150°C  
- **Package:** DO-214AC (SMA)  

### **Descriptions:**  
- Designed to protect sensitive electronics from voltage transients.  
- Bi-directional TVS diode for AC or DC circuits.  
- Low clamping voltage for effective surge protection.  

### **Features:**  
- Fast response time (typically <1ps).  
- High surge capability.  
- RoHS compliant.  
- Meets IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT), and IEC 61000-4-5 (Surge) standards.  

(Source: MICROSEMI datasheet)

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

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