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SMCJ12A from FAIRCHILD,Fairchild Semiconductor

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SMCJ12A

Manufacturer: FAIRCHILD, CONCORD, MICROSEMI

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

Partnumber Manufacturer Quantity Availability
SMCJ12A FAIRCHILD, CONCORD, MICROSEMI 113850 In Stock

Description and Introduction

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR The SMCJ12A is a transient voltage suppressor (TVS) diode manufactured by **Fairchild Semiconductor** (now part of ON Semiconductor). Here are its specifications, descriptions, and features based on available data:  

### **Specifications:**  
- **Voltage Rating (Vₖᵣₘ):** 12V  
- **Breakdown Voltage (V_BR):** 13.3V (min), 14.7V (typ), 16.4V (max)  
- **Peak Pulse Power (Pₚₚ):** 1500W (10/1000μs waveform)  
- **Standoff Voltage (V_RWM):** 12V  
- **Clamping Voltage (V_C):** 19.9V at 1A (typ)  
- **Maximum Reverse Leakage (I_R):** 1μA (at V_RWM)  
- **Junction Capacitance (C_J):** 300pF (typ)  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AB (SMC)  

### **Descriptions:**  
- Designed for **transient voltage suppression** in electronic circuits.  
- Protects sensitive components from **ESD, lightning, and inductive switching surges**.  
- **Unidirectional** TVS diode (clamps positive transients only).  
- **Low clamping voltage** for effective protection.  

### **Features:**  
- **High surge capability** (1500W peak pulse power).  
- **Fast response time** (typically <1ns).  
- **RoHS compliant** (lead-free).  
- **Reliable performance** for industrial and automotive applications.  

For exact application details, always refer to the **official datasheet** from Fairchild/ON Semiconductor.

Application Scenarios & Design Considerations

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

Alternative Part Number

  • 1SMC12AT3G --: Same 1500W unidirectional TVS class with 12V standoff voltage, direct functional equivalent from a major supplier.
  • P6SMB12A --: 600W SMB TVS with matching 12V standoff and clamping behavior, suitable for lower-surge applications.
  • SMAJ12A --: 400W SMA TVS with same 12V standoff voltage, compact alternative when lower power rating is acceptable.

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