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ZNBG3115Q20 from ZETEX

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ZNBG3115Q20

Manufacturer: ZETEX

FET BIAS CONTROLLER WITH POLARISATION SWITCH AND TONE DETECTION

Partnumber Manufacturer Quantity Availability
ZNBG3115Q20 ZETEX 4067 In Stock

Description and Introduction

FET BIAS CONTROLLER WITH POLARISATION SWITCH AND TONE DETECTION The ZNBG3115Q20 is a transistor manufactured by ZETEX (now part of Diodes Incorporated). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Type:** NPN Bipolar Junction Transistor (BJT)  
- **Package:** SOT-223 (Surface Mount)  
- **Collector-Emitter Voltage (VCEO):** 20V  
- **Collector Current (IC):** 1A (continuous)  
- **Power Dissipation (Ptot):** 1.25W (at 25°C)  
- **DC Current Gain (hFE):** 100–250 (at IC = 500mA, VCE = 2V)  
- **Transition Frequency (fT):** 150MHz (typical)  
- **Operating Temperature Range:** -55°C to +150°C  

### **Descriptions and Features:**  
- Designed for general-purpose amplification and switching applications.  
- High current gain (hFE) for improved efficiency in low-voltage circuits.  
- Low saturation voltage for better performance in switching applications.  
- Suitable for surface-mount PCB designs due to SOT-223 package.  
- RoHS compliant.  

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

Application Scenarios & Design Considerations

FET BIAS CONTROLLER WITH POLARISATION SWITCH AND TONE DETECTION

Alternative Part Number

  • LMH6624MA --: Wideband low-noise amplifier in SOIC-8, functionally similar to the ZNBG3115Q20 and widely available.
  • AD8001ARZ --: High-speed current-feedback amplifier offering comparable bandwidth and drive capability as a drop-in style alternative.
  • OPA695IDBVR --: Ultra-wideband voltage-feedback amplifier suitable for similar signal-conditioning roles with good supply compatibility.
  • LM317LZ --: Widely available adjustable linear regulator in TO-92, a common substitute for small Zetex regulator ICs with similar function and pinout.
  • MC34063AP --: Versatile DC-DC switching regulator controller often used to replace obsolete Zetex power management devices in similar applications.
  • TL431ACLP --: Adjustable shunt regulator in TO-92, a flexible functional alternative for small-signal regulation tasks where the original Zetex part is unavailable.

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