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KSR1201 from FAILCHIL,Fairchild Semiconductor

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KSR1201

Manufacturer: FAILCHIL

NPN Epitaxial Silicon Transistor

Partnumber Manufacturer Quantity Availability
KSR1201 FAILCHIL 485 In Stock

Description and Introduction

NPN Epitaxial Silicon Transistor The **KSR1201** from Fairchild Semiconductor is a high-performance NPN bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications. Known for its reliability and efficiency, this component is widely used in consumer electronics, industrial controls, and communication systems.  

With a collector-emitter voltage (**VCE**) of 50V and a continuous collector current (**IC**) of 500mA, the KSR1201 offers robust performance in low to medium-power circuits. Its high current gain (**hFE**) ensures effective signal amplification, while fast switching speeds make it suitable for pulse and digital applications.  

The transistor features a compact **TO-92** package, making it easy to integrate into various circuit designs. Its low saturation voltage enhances energy efficiency, reducing power losses in switching operations. Additionally, the KSR1201 is designed to operate reliably across a broad temperature range, ensuring stability in diverse environmental conditions.  

Engineers and designers favor the KSR1201 for its balance of performance, cost-effectiveness, and versatility. Whether used in audio amplifiers, relay drivers, or signal processing circuits, this transistor delivers consistent results, making it a dependable choice for electronic projects.

Partnumber Manufacturer Quantity Availability
KSR1201 FAIRCHILD 1600 In Stock

Description and Introduction

NPN Epitaxial Silicon Transistor Here are the factual details about part **KSR1201** from the manufacturer **FAIRCHILD**:  

### **Specifications:**  
- **Manufacturer:** FAIRCHILD  
- **Part Number:** KSR1201  
- **Type:** NPN Epitaxial Silicon Transistor  
- **Collector-Emitter Voltage (VCE):** 30V  
- **Collector-Base Voltage (VCB):** 30V  
- **Emitter-Base Voltage (VEB):** 5V  
- **Collector Current (IC):** 500mA  
- **Power Dissipation (PD):** 625mW  
- **DC Current Gain (hFE):** 100-300 (at IC = 10mA, VCE = 1V)  
- **Transition Frequency (fT):** 250MHz  
- **Operating Temperature Range:** -55°C to +150°C  

### **Descriptions:**  
The **KSR1201** is a general-purpose NPN transistor designed for amplification and switching applications. It is suitable for low-power circuits and offers high current gain with moderate speed performance.  

### **Features:**  
- High current gain (hFE)  
- Low saturation voltage  
- Fast switching speed  
- Epitaxial planar construction  
- Pb-free and RoHS compliant  

For exact performance characteristics, refer to the official datasheet from FAIRCHILD.

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