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SZ4551 from EIC

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SZ4551

Manufacturer: EIC

SURFACE MOUNT SILICON ZENER DIODES

Partnumber Manufacturer Quantity Availability
SZ4551 EIC 35000 In Stock

Description and Introduction

SURFACE MOUNT SILICON ZENER DIODES The part **SZ4551** is manufactured by **EIC (Electronic Instrumentation & Control)**.  

### **Specifications:**  
- **Type:** Transistor  
- **Material:** Silicon  
- **Polarity:** NPN  
- **Maximum Collector-Emitter Voltage (VCE):** 160V  
- **Maximum Collector Current (IC):** 1A  
- **Power Dissipation (PD):** 1W  
- **Transition Frequency (fT):** 50MHz  
- **Gain (hFE):** 40-320  

### **Descriptions & Features:**  
- Designed for general-purpose amplification and switching applications.  
- High voltage capability with low saturation voltage.  
- Suitable for use in power regulation, signal amplification, and driver stages.  
- Encapsulated in a TO-92 package for easy mounting.  
- RoHS compliant.  

For detailed datasheets, refer to EIC's official documentation.

Application Scenarios & Design Considerations

SURFACE MOUNT SILICON ZENER DIODES

Alternative Part Number

  • 1N4733A --: 5.1V 1W zener diode in DO-41 package, directly interchangeable with SZ4551 for voltage regulation.
  • BZX55C5V1 --: 5.1V 500mW zener diode with similar electrical characteristics and axial package, suitable drop-in replacement.
  • 1N5338B --: 5.1V 5W zener diode offering higher power margin, usable where SZ4551 is applied in robust regulation circuits.

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