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BB179 from NXP/PHILIPS,NXP Semiconductors

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BB179

Manufacturer: NXP/PHILIPS

UHF variable capacitance diode

Partnumber Manufacturer Quantity Availability
BB179 NXP/PHILIPS 3000 In Stock

Description and Introduction

UHF variable capacitance diode The part BB179 is a hyperabrupt tuning varactor diode manufactured by NXP/Philips.  

**Key Specifications:**  
- **Capacitance Range:** 2.5 pF to 20 pF (depending on reverse voltage)  
- **Tuning Ratio (C1/C5):** 7:1 (minimum)  
- **Reverse Voltage (VR):** 1V to 28V  
- **Package:** SOD323 (SC-76)  
- **Application:** Primarily used in voltage-controlled oscillators (VCOs) and RF tuning circuits  

**Electrical Characteristics (Typical @ 25°C):**  
- **Capacitance at 1V (C1):** ~20 pF  
- **Capacitance at 5V (C5):** ~2.8 pF  
- **Quality Factor (Q) @ 1 MHz, 1V:** ~200  
- **Series Resistance (Rs):** ~1.5 Ω  

This diode is designed for high-frequency tuning applications requiring a wide capacitance range.  

(Source: NXP/Philips datasheet for BB179)

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