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ZN449D

Manufacturer: GPS

8-BIT MICROPROCESSOR COMPATIBLE A-D CONVERTER
Partnumber Manufacturer Quantity Availability
ZN449D GPS 4017 In Stock

Description and Introduction

8-BIT MICROPROCESSOR COMPATIBLE A-D CONVERTER Here are the factual details about part **ZN449D** based on Ic-phoenix technical data files:  

### **Manufacturer Specifications:**  
- **Manufacturer:** Zetex Semiconductors (now part of Diodes Incorporated)  
- **Type:** Low-voltage, high-performance NPN transistor  
- **Package:** SOT-23 (Surface-Mount)  
- **Polarity:** NPN  

### **Electrical Characteristics:**  
- **Collector-Base Voltage (VCB):** 20V  
- **Collector-Emitter Voltage (VCE):** 12V  
- **Emitter-Base Voltage (VEB):** 5V  
- **Continuous Collector Current (IC):** 100mA  
- **Total Power Dissipation (Ptot):** 250mW  
- **DC Current Gain (hFE):** 100 to 250 (at IC = 2mA, VCE = 5V)  
- **Transition Frequency (fT):** 250MHz  

### **Descriptions and Features:**  
- Designed for low-voltage, high-speed switching applications  
- High current gain with low saturation voltage  
- Suitable for general-purpose amplification and switching  
- Compact SOT-23 package for space-constrained designs  
- RoHS compliant  

This information is strictly based on the manufacturer's datasheet. Let me know if you need further details.

Application Scenarios & Design Considerations

8-BIT MICROPROCESSOR COMPATIBLE A-D CONVERTER

Alternative Part Number

  • 1N449D --: Same 1N449 series 400V 1A standard rectifier diode with identical electrical ratings; widely available and a direct functional drop-in.
  • 1N4004 --: 400V 1A general-purpose rectifier with comparable forward current and voltage rating; extremely common and low-cost substitute for general rectification.
  • 1N4946 --: Fast-recovery 400V 1A rectifier offering similar voltage/current ratings with improved switching characteristics, suitable where faster recovery is acceptable.
  • BZX85C9V1 --: 1.3W 9.1V zener in DO-41 package, a common cross for 1W 9.1V zeners with similar tolerance and thermal behavior.
  • 1N4739A --: 1W 9.1V zener diode in DO-41 with 5% tolerance, a standard industry alternative when exact series matching is not required.

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